author | Martin von Zweigbergk <martinvonz@google.com> |
Sun, 25 Mar 2018 21:32:16 -0700 | |
changeset 41777 | 041d829575ed |
parent 41768 | aaad36b88298 |
child 41846 | b1d07f4614a6 |
permissions | -rw-r--r-- |
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# tags.py - read tag info from local repository |
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# |
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# Copyright 2009 Matt Mackall <mpm@selenic.com> |
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# Copyright 2009 Greg Ward <greg@gerg.ca> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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# Currently this module only deals with reading and caching tags. |
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# Eventually, it could take care of updating (adding/removing/moving) |
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# tags too. |
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from __future__ import absolute_import |
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import errno |
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from .node import ( |
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bin, |
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hex, |
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nullid, |
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short, |
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) |
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from .i18n import _ |
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from . import ( |
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encoding, |
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error, |
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match as matchmod, |
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scmutil, |
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util, |
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) |
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from .utils import ( |
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stringutil, |
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) |
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# Tags computation can be expensive and caches exist to make it fast in |
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# the common case. |
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# |
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# The "hgtagsfnodes1" cache file caches the .hgtags filenode values for |
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# each revision in the repository. The file is effectively an array of |
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# fixed length records. Read the docs for "hgtagsfnodescache" for technical |
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# details. |
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# |
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# The .hgtags filenode cache grows in proportion to the length of the |
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# changelog. The file is truncated when the # changelog is stripped. |
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# |
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# The purpose of the filenode cache is to avoid the most expensive part |
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# of finding global tags, which is looking up the .hgtags filenode in the |
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# manifest for each head. This can take dozens or over 100ms for |
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# repositories with very large manifests. Multiplied by dozens or even |
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# hundreds of heads and there is a significant performance concern. |
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# |
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# There also exist a separate cache file for each repository filter. |
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# These "tags-*" files store information about the history of tags. |
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# |
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# The tags cache files consists of a cache validation line followed by |
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# a history of tags. |
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# |
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# The cache validation line has the format: |
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# |
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# <tiprev> <tipnode> [<filteredhash>] |
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# |
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# <tiprev> is an integer revision and <tipnode> is a 40 character hex |
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# node for that changeset. These redundantly identify the repository |
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# tip from the time the cache was written. In addition, <filteredhash>, |
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# if present, is a 40 character hex hash of the contents of the filtered |
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# revisions for this filter. If the set of filtered revs changes, the |
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# hash will change and invalidate the cache. |
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# |
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# The history part of the tags cache consists of lines of the form: |
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# |
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# <node> <tag> |
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# |
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# (This format is identical to that of .hgtags files.) |
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# |
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# <tag> is the tag name and <node> is the 40 character hex changeset |
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# the tag is associated with. |
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# |
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# Tags are written sorted by tag name. |
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# |
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# Tags associated with multiple changesets have an entry for each changeset. |
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# The most recent changeset (in terms of revlog ordering for the head |
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# setting it) for each tag is last. |
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def fnoderevs(ui, repo, revs): |
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"""return the list of '.hgtags' fnodes used in a set revisions |
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|
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This is returned as list of unique fnodes. We use a list instead of a set |
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because order matters when it comes to tags.""" |
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unfi = repo.unfiltered() |
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tonode = unfi.changelog.node |
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nodes = [tonode(r) for r in revs] |
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fnodes = _getfnodes(ui, repo, nodes[::-1]) # reversed help the cache |
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fnodes = _filterfnodes(fnodes, nodes) |
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return fnodes |
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def _nulltonone(value): |
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"""convert nullid to None |
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For tag value, nullid means "deleted". This small utility function helps |
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translating that to None.""" |
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if value == nullid: |
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return None |
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return value |
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def difftags(ui, repo, oldfnodes, newfnodes): |
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"""list differences between tags expressed in two set of file-nodes |
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The list contains entries in the form: (tagname, oldvalue, new value). |
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None is used to expressed missing value: |
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('foo', None, 'abcd') is a new tag, |
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('bar', 'ef01', None) is a deletion, |
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('baz', 'abcd', 'ef01') is a tag movement. |
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""" |
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if oldfnodes == newfnodes: |
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return [] |
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oldtags = _tagsfromfnodes(ui, repo, oldfnodes) |
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newtags = _tagsfromfnodes(ui, repo, newfnodes) |
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|
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# list of (tag, old, new): None means missing |
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entries = [] |
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for tag, (new, __) in newtags.items(): |
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new = _nulltonone(new) |
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old, __ = oldtags.pop(tag, (None, None)) |
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old = _nulltonone(old) |
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if old != new: |
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entries.append((tag, old, new)) |
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# handle deleted tags |
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for tag, (old, __) in oldtags.items(): |
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old = _nulltonone(old) |
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if old is not None: |
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entries.append((tag, old, None)) |
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entries.sort() |
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return entries |
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|
31996
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135 |
def writediff(fp, difflist): |
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136 |
"""write tags diff information to a file. |
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137 |
|
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Data are stored with a line based format: |
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139 |
|
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<action> <hex-node> <tag-name>\n |
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141 |
|
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142 |
Action are defined as follow: |
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143 |
-R tag is removed, |
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+A tag is added, |
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-M tag is moved (old value), |
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146 |
+M tag is moved (new value), |
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147 |
|
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148 |
Example: |
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149 |
|
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150 |
+A 875517b4806a848f942811a315a5bce30804ae85 t5 |
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151 |
|
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152 |
See documentation of difftags output for details about the input. |
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153 |
""" |
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154 |
add = '+A %s %s\n' |
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155 |
remove = '-R %s %s\n' |
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156 |
updateold = '-M %s %s\n' |
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157 |
updatenew = '+M %s %s\n' |
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158 |
for tag, old, new in difflist: |
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159 |
# translate to hex |
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160 |
if old is not None: |
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old = hex(old) |
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162 |
if new is not None: |
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new = hex(new) |
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# write to file |
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165 |
if old is None: |
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166 |
fp.write(add % (new, tag)) |
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167 |
elif new is None: |
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168 |
fp.write(remove % (old, tag)) |
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169 |
else: |
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fp.write(updateold % (old, tag)) |
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171 |
fp.write(updatenew % (new, tag)) |
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172 |
|
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173 |
def findglobaltags(ui, repo): |
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174 |
'''Find global tags in a repo: return a tagsmap |
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175 |
|
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176 |
tagsmap: tag name to (node, hist) 2-tuples. |
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177 |
|
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178 |
The tags cache is read and updated as a side-effect of calling. |
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179 |
''' |
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(heads, tagfnode, valid, cachetags, shouldwrite) = _readtagcache(ui, repo) |
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181 |
if cachetags is not None: |
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182 |
assert not shouldwrite |
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183 |
# XXX is this really 100% correct? are there oddball special |
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184 |
# cases where a global tag should outrank a local tag but won't, |
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185 |
# because cachetags does not contain rank info? |
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186 |
alltags = {} |
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187 |
_updatetags(cachetags, alltags) |
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188 |
return alltags |
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189 |
|
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190 |
for head in reversed(heads): # oldest to newest |
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191 |
assert head in repo.changelog.nodemap, ( |
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192 |
"tag cache returned bogus head %s" % short(head)) |
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193 |
fnodes = _filterfnodes(tagfnode, reversed(heads)) |
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alltags = _tagsfromfnodes(ui, repo, fnodes) |
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|
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196 |
# and update the cache (if necessary) |
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197 |
if shouldwrite: |
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_writetagcache(ui, repo, valid, alltags) |
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return alltags |
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|
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201 |
def _filterfnodes(tagfnode, nodes): |
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"""return a list of unique fnodes |
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|
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204 |
The order of this list matches the order of "nodes". Preserving this order |
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205 |
is important as reading tags in different order provides different |
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206 |
results.""" |
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207 |
seen = set() # set of fnode |
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fnodes = [] |
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209 |
for no in nodes: # oldest to newest |
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fnode = tagfnode.get(no) |
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211 |
if fnode and fnode not in seen: |
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212 |
seen.add(fnode) |
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|
213 |
fnodes.append(fnode) |
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|
214 |
return fnodes |
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|
215 |
|
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|
216 |
def _tagsfromfnodes(ui, repo, fnodes): |
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|
217 |
"""return a tagsmap from a list of file-node |
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|
218 |
|
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|
219 |
tagsmap: tag name to (node, hist) 2-tuples. |
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|
220 |
|
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|
221 |
The order of the list matters.""" |
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parents:
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|
222 |
alltags = {} |
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|
223 |
fctx = None |
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diff
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|
224 |
for fnode in fnodes: |
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parents:
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|
225 |
if fctx is None: |
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|
226 |
fctx = repo.filectx('.hgtags', fileid=fnode) |
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|
227 |
else: |
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|
228 |
fctx = fctx.filectx(fnode) |
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|
229 |
filetags = _readtags(ui, repo, fctx.data().splitlines(), fctx) |
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|
230 |
_updatetags(filetags, alltags) |
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|
231 |
return alltags |
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|
232 |
|
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|
233 |
def readlocaltags(ui, repo, alltags, tagtypes): |
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parents:
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|
234 |
'''Read local tags in repo. Update alltags and tagtypes.''' |
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|
235 |
try: |
23877
7cc77030c557
localrepo: remove all external users of localrepo.opener
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parents:
23139
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|
236 |
data = repo.vfs.read("localtags") |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25381
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|
237 |
except IOError as inst: |
14038
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
238 |
if inst.errno != errno.ENOENT: |
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
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|
239 |
raise |
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parents:
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|
240 |
return |
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tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
241 |
|
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
242 |
# localtags is in the local encoding; re-encode to UTF-8 on |
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
243 |
# input for consistency with the rest of this module. |
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
244 |
filetags = _readtags( |
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
245 |
ui, repo, data.splitlines(), "localtags", |
0e6f622f31ca
tags: loosen IOError filtering when reading localtags
Idan Kamara <idankk86@gmail.com>
parents:
14020
diff
changeset
|
246 |
recode=encoding.fromlocal) |
21823
925d1bb9a971
repoview: do not crash when localtags refers to non existing revisions
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21030
diff
changeset
|
247 |
|
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repoview: do not crash when localtags refers to non existing revisions
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parents:
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diff
changeset
|
248 |
# remove tags pointing to invalid nodes |
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parents:
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diff
changeset
|
249 |
cl = repo.changelog |
35868
553a98a436cf
tags: explicitly grab list of dict keys
Augie Fackler <augie@google.com>
parents:
34033
diff
changeset
|
250 |
for t in list(filetags): |
21823
925d1bb9a971
repoview: do not crash when localtags refers to non existing revisions
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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diff
changeset
|
251 |
try: |
925d1bb9a971
repoview: do not crash when localtags refers to non existing revisions
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parents:
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diff
changeset
|
252 |
cl.rev(filetags[t][0]) |
925d1bb9a971
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21030
diff
changeset
|
253 |
except (LookupError, ValueError): |
925d1bb9a971
repoview: do not crash when localtags refers to non existing revisions
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21030
diff
changeset
|
254 |
del filetags[t] |
925d1bb9a971
repoview: do not crash when localtags refers to non existing revisions
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21030
diff
changeset
|
255 |
|
31712
9cd640e5c1ba
tags: reorder argument of '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31711
diff
changeset
|
256 |
_updatetags(filetags, alltags, 'local', tagtypes) |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
257 |
|
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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diff
changeset
|
258 |
def _readtaghist(ui, repo, lines, fn, recode=None, calcnodelines=False): |
9149
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Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
259 |
'''Read tag definitions from a file (or any source of lines). |
24445
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
260 |
|
21892
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
261 |
This function returns two sortdicts with similar information: |
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
262 |
|
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
21892
diff
changeset
|
263 |
- the first dict, bintaghist, contains the tag information as expected by |
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
264 |
the _readtags function, i.e. a mapping from tag name to (node, hist): |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
265 |
- node is the node id from the last line read for that name, |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
266 |
- hist is the list of node ids previously associated with it (in file |
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
267 |
order). All node ids are binary, not hex. |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
268 |
|
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
269 |
- the second dict, hextaglines, is a mapping from tag name to a list of |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
270 |
[hexnode, line number] pairs, ordered from the oldest to the newest node. |
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
271 |
|
21892
89cdebc31cda
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
272 |
When calcnodelines is False the hextaglines dict is not calculated (an |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
273 |
empty dict is returned). This is done to improve this function's |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
274 |
performance in cases where the line numbers are not needed. |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
275 |
''' |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
276 |
|
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
277 |
bintaghist = util.sortdict() |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
278 |
hextaglines = util.sortdict() |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
279 |
count = 0 |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
280 |
|
29038
a9dd92c48a1c
tags: silence cache parsing errors
Matt Mackall <mpm@selenic.com>
parents:
26945
diff
changeset
|
281 |
def dbg(msg): |
36429
a24c57f1f5c3
py3: use '%d' for integers instead of '%s'
Pulkit Goyal <7895pulkit@gmail.com>
parents:
36426
diff
changeset
|
282 |
ui.debug("%s, line %d: %s\n" % (fn, count, msg)) |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
283 |
|
21892
89cdebc31cda
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parents:
21832
diff
changeset
|
284 |
for nline, line in enumerate(lines): |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
285 |
count += 1 |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
286 |
if not line: |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
287 |
continue |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
288 |
try: |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
289 |
(nodehex, name) = line.split(" ", 1) |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
290 |
except ValueError: |
29038
a9dd92c48a1c
tags: silence cache parsing errors
Matt Mackall <mpm@selenic.com>
parents:
26945
diff
changeset
|
291 |
dbg("cannot parse entry") |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
292 |
continue |
9152
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
293 |
name = name.strip() |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
294 |
if recode: |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
295 |
name = recode(name) |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
296 |
try: |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
297 |
nodebin = bin(nodehex) |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
298 |
except TypeError: |
29038
a9dd92c48a1c
tags: silence cache parsing errors
Matt Mackall <mpm@selenic.com>
parents:
26945
diff
changeset
|
299 |
dbg("node '%s' is not well formed" % nodehex) |
9149
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
300 |
continue |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
301 |
|
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
302 |
# update filetags |
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
303 |
if calcnodelines: |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
304 |
# map tag name to a list of line numbers |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
305 |
if name not in hextaglines: |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
306 |
hextaglines[name] = [] |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
307 |
hextaglines[name].append([nodehex, nline]) |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
308 |
continue |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
309 |
# map tag name to (node, hist) |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
310 |
if name not in bintaghist: |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
311 |
bintaghist[name] = [] |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
312 |
bintaghist[name].append(nodebin) |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
313 |
return bintaghist, hextaglines |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
314 |
|
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
315 |
def _readtags(ui, repo, lines, fn, recode=None, calcnodelines=False): |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
316 |
'''Read tag definitions from a file (or any source of lines). |
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
317 |
|
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
318 |
Returns a mapping from tag name to (node, hist). |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
319 |
|
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
320 |
"node" is the node id from the last line read for that name. "hist" |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
321 |
is the list of node ids previously associated with it (in file order). |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
322 |
All node ids are binary, not hex. |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
323 |
''' |
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
21832
diff
changeset
|
324 |
filetags, nodelines = _readtaghist(ui, repo, lines, fn, recode=recode, |
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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|
325 |
calcnodelines=calcnodelines) |
26945
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tags: create new sortdict for performance reasons
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parents:
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diff
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|
326 |
# util.sortdict().__setitem__ is much slower at replacing then inserting |
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|
327 |
# new entries. The difference can matter if there are thousands of tags. |
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|
328 |
# Create a new sortdict to avoid the performance penalty. |
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|
329 |
newtags = util.sortdict() |
21892
89cdebc31cda
tags: introduce _readtaghist function
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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diff
changeset
|
330 |
for tag, taghist in filetags.items(): |
26945
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|
331 |
newtags[tag] = (taghist[-1], taghist[:-1]) |
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parents:
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|
332 |
return newtags |
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diff
changeset
|
333 |
|
31713
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31712
diff
changeset
|
334 |
def _updatetags(filetags, alltags, tagtype=None, tagtypes=None): |
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
335 |
"""Incorporate the tag info read from one file into dictionnaries |
d0e7c70f14b7
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parents:
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diff
changeset
|
336 |
|
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tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
337 |
The first one, 'alltags', is a "tagmaps" (see 'findglobaltags' for details). |
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tags: make argument 'tagtype' optional in '_updatetags'
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parents:
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diff
changeset
|
338 |
|
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tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
339 |
The second one, 'tagtypes', is optional and will be updated to track the |
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31712
diff
changeset
|
340 |
"tagtype" of entries in the tagmaps. When set, the 'tagtype' argument also |
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31712
diff
changeset
|
341 |
needs to be set.""" |
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31712
diff
changeset
|
342 |
if tagtype is None: |
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
343 |
assert tagtypes is None |
9149
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changeset
|
344 |
|
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parents:
diff
changeset
|
345 |
for name, nodehist in filetags.iteritems(): |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
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parents:
diff
changeset
|
346 |
if name not in alltags: |
abb7d4d43a5f
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parents:
diff
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|
347 |
alltags[name] = nodehist |
31713
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tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
348 |
if tagtype is not None: |
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tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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|
349 |
tagtypes[name] = tagtype |
9149
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|
350 |
continue |
abb7d4d43a5f
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Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
351 |
|
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
352 |
# we prefer alltags[name] if: |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17256
diff
changeset
|
353 |
# it supersedes us OR |
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17256
diff
changeset
|
354 |
# mutual supersedes and it has a higher rank |
9149
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parents:
diff
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|
355 |
# otherwise we win because we're tip-most |
abb7d4d43a5f
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Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
356 |
anode, ahist = nodehist |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
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parents:
diff
changeset
|
357 |
bnode, bhist = alltags[name] |
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Factor tags module out of localrepo (issue548).
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parents:
diff
changeset
|
358 |
if (bnode != anode and anode in bhist and |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
359 |
(bnode not in ahist or len(bhist) > len(ahist))): |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
360 |
anode = bnode |
31713
d0e7c70f14b7
tags: make argument 'tagtype' optional in '_updatetags'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31712
diff
changeset
|
361 |
elif tagtype is not None: |
19108
cb95716da5fe
tags: update tag type only if tag node is updated (issue3911)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17424
diff
changeset
|
362 |
tagtypes[name] = tagtype |
9149
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Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
363 |
ahist.extend([n for n in bhist if n not in ahist]) |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
364 |
alltags[name] = anode, ahist |
abb7d4d43a5f
Factor tags module out of localrepo (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
diff
changeset
|
365 |
|
24737
b061a2049662
tags: have a different cache file per filter level
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24735
diff
changeset
|
366 |
def _filename(repo): |
b061a2049662
tags: have a different cache file per filter level
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
367 |
"""name of a tagcache file for a given repo or repoview""" |
33536
ddacd0e453ae
cachevfs: migrate tagscache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33255
diff
changeset
|
368 |
filename = 'tags2' |
24737
b061a2049662
tags: have a different cache file per filter level
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24735
diff
changeset
|
369 |
if repo.filtername: |
b061a2049662
tags: have a different cache file per filter level
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24735
diff
changeset
|
370 |
filename = '%s-%s' % (filename, repo.filtername) |
b061a2049662
tags: have a different cache file per filter level
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24735
diff
changeset
|
371 |
return filename |
b061a2049662
tags: have a different cache file per filter level
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24735
diff
changeset
|
372 |
|
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
373 |
def _readtagcache(ui, repo): |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
374 |
'''Read the tag cache. |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
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diff
changeset
|
375 |
|
24760
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tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
376 |
Returns a tuple (heads, fnodes, validinfo, cachetags, shouldwrite). |
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
377 |
|
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
378 |
If the cache is completely up-to-date, "cachetags" is a dict of the |
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
379 |
form returned by _readtags() and "heads", "fnodes", and "validinfo" are |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
380 |
None and "shouldwrite" is False. |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
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diff
changeset
|
381 |
|
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
382 |
If the cache is not up to date, "cachetags" is None. "heads" is a list |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
383 |
of all heads currently in the repository, ordered from tip to oldest. |
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
384 |
"validinfo" is a tuple describing cache validation info. This is used |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
385 |
when writing the tags cache. "fnodes" is a mapping from head to .hgtags |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
386 |
filenode. "shouldwrite" is True. |
24445
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
387 |
|
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
388 |
If the cache is not up to date, the caller is responsible for reading tag |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
389 |
info from each returned head. (See findglobaltags().) |
c71edbafe603
tags: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24143
diff
changeset
|
390 |
''' |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
391 |
try: |
33536
ddacd0e453ae
cachevfs: migrate tagscache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33255
diff
changeset
|
392 |
cachefile = repo.cachevfs(_filename(repo), 'r') |
11066
26abd91d9e84
static-http: mimic more closely localrepo (issue2164: allow clone -r )
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
10263
diff
changeset
|
393 |
# force reading the file for static-http |
26abd91d9e84
static-http: mimic more closely localrepo (issue2164: allow clone -r )
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
10263
diff
changeset
|
394 |
cachelines = iter(cachefile) |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
395 |
except IOError: |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
396 |
cachefile = None |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
397 |
|
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
398 |
cacherev = None |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
399 |
cachenode = None |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
400 |
cachehash = None |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
401 |
if cachefile: |
12758
2d754eae430c
tags: do not fail if tags.cache is corrupted (issue2444)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
11352
diff
changeset
|
402 |
try: |
29216
ead25aa27a43
py3: convert to next() function
timeless <timeless@mozdev.org>
parents:
29039
diff
changeset
|
403 |
validline = next(cachelines) |
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
404 |
validline = validline.split() |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
405 |
cacherev = int(validline[0]) |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
406 |
cachenode = bin(validline[1]) |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
407 |
if len(validline) > 2: |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
408 |
cachehash = bin(validline[2]) |
14020
98f79a5c3086
tags: catch more corruption during cache parsing (issue2779)
Matt Mackall <mpm@selenic.com>
parents:
13341
diff
changeset
|
409 |
except Exception: |
24759
d082c6ef9ec3
tags: don't read .hgtags fnodes from tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24737
diff
changeset
|
410 |
# corruption of the cache, just recompute it. |
d082c6ef9ec3
tags: don't read .hgtags fnodes from tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24737
diff
changeset
|
411 |
pass |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
412 |
|
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
413 |
tipnode = repo.changelog.tip() |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
414 |
tiprev = len(repo.changelog) - 1 |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
415 |
|
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
416 |
# Case 1 (common): tip is the same, so nothing has changed. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
417 |
# (Unchanged tip trivially means no changesets have been added. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
418 |
# But, thanks to localrepository.destroyed(), it also means none |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
419 |
# have been destroyed by strip or rollback.) |
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
420 |
if (cacherev == tiprev |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
421 |
and cachenode == tipnode |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
422 |
and cachehash == scmutil.filteredhash(repo, tiprev)): |
11066
26abd91d9e84
static-http: mimic more closely localrepo (issue2164: allow clone -r )
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
10263
diff
changeset
|
423 |
tags = _readtags(ui, repo, cachelines, cachefile.name) |
9152
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
424 |
cachefile.close() |
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
425 |
return (None, None, None, tags, False) |
9152
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
426 |
if cachefile: |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
427 |
cachefile.close() # ignore rest of file |
9312
c5f0825c1dbb
kill trailing whitespace
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
9152
diff
changeset
|
428 |
|
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
429 |
valid = (tiprev, tipnode, scmutil.filteredhash(repo, tiprev)) |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
430 |
|
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
431 |
repoheads = repo.heads() |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
432 |
# Case 2 (uncommon): empty repo; get out quickly and don't bother |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
433 |
# writing an empty cache. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
434 |
if repoheads == [nullid]: |
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
435 |
return ([], {}, valid, {}, False) |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
436 |
|
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
437 |
# Case 3 (uncommon): cache file missing or empty. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
438 |
|
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
439 |
# Case 4 (uncommon): tip rev decreased. This should only happen |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
440 |
# when we're called from localrepository.destroyed(). Refresh the |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
441 |
# cache so future invocations will not see disappeared heads in the |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
442 |
# cache. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
443 |
|
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
444 |
# Case 5 (common): tip has changed, so we've added/replaced heads. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
445 |
|
11352
b19067ee4507
tags: remove inactive debugging code.
Greg Ward <greg-hg@gerg.ca>
parents:
11351
diff
changeset
|
446 |
# As it happens, the code to handle cases 3, 4, 5 is the same. |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
447 |
|
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
448 |
# N.B. in case 4 (nodes destroyed), "new head" really means "newly |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
449 |
# exposed". |
16730
dd4ce44ff53c
tags: short-circuit if no tags have ever been committed
Bryan O'Sullivan <bryano@fb.com>
parents:
16589
diff
changeset
|
450 |
if not len(repo.file('.hgtags')): |
dd4ce44ff53c
tags: short-circuit if no tags have ever been committed
Bryan O'Sullivan <bryano@fb.com>
parents:
16589
diff
changeset
|
451 |
# No tags have ever been committed, so we can avoid a |
dd4ce44ff53c
tags: short-circuit if no tags have ever been committed
Bryan O'Sullivan <bryano@fb.com>
parents:
16589
diff
changeset
|
452 |
# potentially expensive search. |
24761
61a6d83280d3
tags: return empty list of heads for no .hgtags case
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24760
diff
changeset
|
453 |
return ([], {}, valid, None, True) |
16730
dd4ce44ff53c
tags: short-circuit if no tags have ever been committed
Bryan O'Sullivan <bryano@fb.com>
parents:
16589
diff
changeset
|
454 |
|
21030
9ea132aee96c
tags: log events related to tags cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
19646
diff
changeset
|
455 |
|
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
456 |
# Now we have to lookup the .hgtags filenode for every new head. |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
457 |
# This is the most expensive part of finding tags, so performance |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
458 |
# depends primarily on the size of newheads. Worst case: no cache |
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
459 |
# file, so newheads == repoheads. |
31710
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
460 |
cachefnode = _getfnodes(ui, repo, repoheads) |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
461 |
|
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
462 |
# Caller has to iterate over all heads, but can use the filenodes in |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
463 |
# cachefnode to get to each .hgtags revision quickly. |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
464 |
return (repoheads, cachefnode, valid, None, True) |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
465 |
|
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
466 |
def _getfnodes(ui, repo, nodes): |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
467 |
"""return .hgtags fnodes for a list of changeset nodes |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
468 |
|
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
469 |
Return value is a {node: fnode} mapping. There will be no entry for nodes |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
470 |
without a '.hgtags' file. |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
471 |
""" |
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
472 |
starttime = util.timer() |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
473 |
fnodescache = hgtagsfnodescache(repo.unfiltered()) |
24759
d082c6ef9ec3
tags: don't read .hgtags fnodes from tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24737
diff
changeset
|
474 |
cachefnode = {} |
31791
417363736c11
tags: rename "head" to "node" where we don't care
Martin von Zweigbergk <martinvonz@google.com>
parents:
31716
diff
changeset
|
475 |
for node in reversed(nodes): |
417363736c11
tags: rename "head" to "node" where we don't care
Martin von Zweigbergk <martinvonz@google.com>
parents:
31716
diff
changeset
|
476 |
fnode = fnodescache.getfnode(node) |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
477 |
if fnode != nullid: |
31791
417363736c11
tags: rename "head" to "node" where we don't care
Martin von Zweigbergk <martinvonz@google.com>
parents:
31716
diff
changeset
|
478 |
cachefnode[node] = fnode |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
479 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
480 |
fnodescache.write() |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
481 |
|
30995
22fbca1d11ed
mercurial: switch to util.timer for all interval timings
Simon Farnsworth <simonfar@fb.com>
parents:
29216
diff
changeset
|
482 |
duration = util.timer() - starttime |
21030
9ea132aee96c
tags: log events related to tags cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
19646
diff
changeset
|
483 |
ui.log('tagscache', |
41194
4c5864dad8b0
tags: join string that's unnecessarily split across lines
Martin von Zweigbergk <martinvonz@google.com>
parents:
37087
diff
changeset
|
484 |
'%d/%d cache hits/lookups in %0.4f seconds\n', |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
485 |
fnodescache.hitcount, fnodescache.lookupcount, duration) |
31710
5eb4d206202b
tags: extract fnode retrieval into its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31674
diff
changeset
|
486 |
return cachefnode |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
487 |
|
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
488 |
def _writetagcache(ui, repo, valid, cachetags): |
24763
a698e088ad29
tags: explicitly log which tags cache file is being written
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24762
diff
changeset
|
489 |
filename = _filename(repo) |
9366
9ff178e7b627
tags: don't crash if unable to write tag cache
Greg Ward <greg-hg@gerg.ca>
parents:
9312
diff
changeset
|
490 |
try: |
33536
ddacd0e453ae
cachevfs: migrate tagscache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33255
diff
changeset
|
491 |
cachefile = repo.cachevfs(filename, 'w', atomictemp=True) |
9366
9ff178e7b627
tags: don't crash if unable to write tag cache
Greg Ward <greg-hg@gerg.ca>
parents:
9312
diff
changeset
|
492 |
except (OSError, IOError): |
9ff178e7b627
tags: don't crash if unable to write tag cache
Greg Ward <greg-hg@gerg.ca>
parents:
9312
diff
changeset
|
493 |
return |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
494 |
|
33536
ddacd0e453ae
cachevfs: migrate tagscache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33255
diff
changeset
|
495 |
ui.log('tagscache', 'writing .hg/cache/%s with %d tags\n', |
24763
a698e088ad29
tags: explicitly log which tags cache file is being written
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24762
diff
changeset
|
496 |
filename, len(cachetags)) |
21030
9ea132aee96c
tags: log events related to tags cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
19646
diff
changeset
|
497 |
|
24760
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
498 |
if valid[2]: |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
499 |
cachefile.write('%d %s %s\n' % (valid[0], hex(valid[1]), hex(valid[2]))) |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
500 |
else: |
410f3856196f
tags: change format of tags cache files
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24759
diff
changeset
|
501 |
cachefile.write('%d %s\n' % (valid[0], hex(valid[1]))) |
9151
f528d1a93491
tags: implement persistent tag caching (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
9149
diff
changeset
|
502 |
|
9152
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
503 |
# Tag names in the cache are in UTF-8 -- which is the whole reason |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
504 |
# we keep them in UTF-8 throughout this module. If we converted |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
505 |
# them local encoding on input, we would lose info writing them to |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
506 |
# the cache. |
24143
7b09dbbbd502
tags: write tags cache deterministically
Gregory Szorc <gregory.szorc@gmail.com>
parents:
23877
diff
changeset
|
507 |
for (name, (node, hist)) in sorted(cachetags.iteritems()): |
19646
335a558f81dc
tags: write tag overwriting history also into tag cache file (issue3911)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19108
diff
changeset
|
508 |
for n in hist: |
335a558f81dc
tags: write tag overwriting history also into tag cache file (issue3911)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19108
diff
changeset
|
509 |
cachefile.write("%s %s\n" % (hex(n), name)) |
9152
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
510 |
cachefile.write("%s %s\n" % (hex(node), name)) |
4017291c4c48
tags: support 'instant' tag retrieval (issue548)
Greg Ward <greg-hg@gerg.ca>
parents:
9151
diff
changeset
|
511 |
|
14662
2b30124c7d8a
tags: don't allow environment errors to be raised from _writetagscache
Steve Borho <steve@borho.org>
parents:
14168
diff
changeset
|
512 |
try: |
15057
774da7121fc9
atomictempfile: make close() consistent with other file-like objects.
Greg Ward <greg@gerg.ca>
parents:
14662
diff
changeset
|
513 |
cachefile.close() |
14662
2b30124c7d8a
tags: don't allow environment errors to be raised from _writetagscache
Steve Borho <steve@borho.org>
parents:
14168
diff
changeset
|
514 |
except (OSError, IOError): |
2b30124c7d8a
tags: don't allow environment errors to be raised from _writetagscache
Steve Borho <steve@borho.org>
parents:
14168
diff
changeset
|
515 |
pass |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
516 |
|
31674
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
517 |
def tag(repo, names, node, message, local, user, date, editor=False): |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
518 |
'''tag a revision with one or more symbolic names. |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
519 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
520 |
names is a list of strings or, when adding a single tag, names may be a |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
521 |
string. |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
522 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
523 |
if local is True, the tags are stored in a per-repository file. |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
524 |
otherwise, they are stored in the .hgtags file, and a new |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
525 |
changeset is committed with the change. |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
526 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
527 |
keyword arguments: |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
528 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
529 |
local: whether to store tags in non-version-controlled file |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
530 |
(default False) |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
531 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
532 |
message: commit message to use if committing |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
533 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
534 |
user: name of user to use if committing |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
535 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
536 |
date: date tuple to use if committing''' |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
537 |
|
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
538 |
if not local: |
41687
0531dff73d0b
match: delete unused root and cwd arguments from {always,never,exact}() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41194
diff
changeset
|
539 |
m = matchmod.exact(['.hgtags']) |
31674
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
540 |
if any(repo.status(match=m, unknown=True, ignored=True)): |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
541 |
raise error.Abort(_('working copy of .hgtags is changed'), |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
542 |
hint=_('please commit .hgtags manually')) |
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
543 |
|
33255
4f3f08262eb4
tag: make sure the repository is locked when tagging
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
31996
diff
changeset
|
544 |
with repo.wlock(): |
4f3f08262eb4
tag: make sure the repository is locked when tagging
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
31996
diff
changeset
|
545 |
repo.tags() # instantiate the cache |
34033
2d80e078724a
tag: use filtered repo when creating new tags (issue5539)
Denis Laxalde <denis@laxalde.org>
parents:
33537
diff
changeset
|
546 |
_tag(repo, names, node, message, local, user, date, |
33255
4f3f08262eb4
tag: make sure the repository is locked when tagging
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
31996
diff
changeset
|
547 |
editor=editor) |
31674
a719f3315366
tags: move 'repo.tag' in the 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31673
diff
changeset
|
548 |
|
31673
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
549 |
def _tag(repo, names, node, message, local, user, date, extra=None, |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
550 |
editor=False): |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
551 |
if isinstance(names, str): |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
552 |
names = (names,) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
553 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
554 |
branches = repo.branchmap() |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
555 |
for name in names: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
556 |
repo.hook('pretag', throw=True, node=hex(node), tag=name, |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
557 |
local=local) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
558 |
if name in branches: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
559 |
repo.ui.warn(_("warning: tag %s conflicts with existing" |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
560 |
" branch name\n") % name) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
561 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
562 |
def writetags(fp, names, munge, prevtags): |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
563 |
fp.seek(0, 2) |
36572
3e458c583d2c
py3: use startswith() to check existence of trailing '\n' in .hgtags file
Yuya Nishihara <yuya@tcha.org>
parents:
36429
diff
changeset
|
564 |
if prevtags and not prevtags.endswith('\n'): |
31673
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
565 |
fp.write('\n') |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
566 |
for name in names: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
567 |
if munge: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
568 |
m = munge(name) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
569 |
else: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
570 |
m = name |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
571 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
572 |
if (repo._tagscache.tagtypes and |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
573 |
name in repo._tagscache.tagtypes): |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
574 |
old = repo.tags().get(name, nullid) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
575 |
fp.write('%s %s\n' % (hex(old), m)) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
576 |
fp.write('%s %s\n' % (hex(node), m)) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
577 |
fp.close() |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
578 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
579 |
prevtags = '' |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
580 |
if local: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
581 |
try: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
582 |
fp = repo.vfs('localtags', 'r+') |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
583 |
except IOError: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
584 |
fp = repo.vfs('localtags', 'a') |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
585 |
else: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
586 |
prevtags = fp.read() |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
587 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
588 |
# local tags are stored in the current charset |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
589 |
writetags(fp, names, None, prevtags) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
590 |
for name in names: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
591 |
repo.hook('tag', node=hex(node), tag=name, local=local) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
592 |
return |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
593 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
594 |
try: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
595 |
fp = repo.wvfs('.hgtags', 'rb+') |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
596 |
except IOError as e: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
597 |
if e.errno != errno.ENOENT: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
598 |
raise |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
599 |
fp = repo.wvfs('.hgtags', 'ab') |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
600 |
else: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
601 |
prevtags = fp.read() |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
602 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
603 |
# committed tags are stored in UTF-8 |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
604 |
writetags(fp, names, encoding.fromlocal, prevtags) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
605 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
606 |
fp.close() |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
607 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
608 |
repo.invalidatecaches() |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
609 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
610 |
if '.hgtags' not in repo.dirstate: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
611 |
repo[None].add(['.hgtags']) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
612 |
|
41687
0531dff73d0b
match: delete unused root and cwd arguments from {always,never,exact}() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41194
diff
changeset
|
613 |
m = matchmod.exact(['.hgtags']) |
31673
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
614 |
tagnode = repo.commit(message, user, date, extra=extra, match=m, |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
615 |
editor=editor) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
616 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
617 |
for name in names: |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
618 |
repo.hook('tag', node=hex(node), tag=name, local=local) |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
619 |
|
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
620 |
return tagnode |
7d0459706716
tags: move '_tags' from 'repo' to 'tags' module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31369
diff
changeset
|
621 |
|
33537
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
622 |
_fnodescachefile = 'hgtagsfnodes1' |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
623 |
_fnodesrecsize = 4 + 20 # changeset fragment + filenode |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
624 |
_fnodesmissingrec = '\xff' * 24 |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
625 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
626 |
class hgtagsfnodescache(object): |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
627 |
"""Persistent cache mapping revisions to .hgtags filenodes. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
628 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
629 |
The cache is an array of records. Each item in the array corresponds to |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
630 |
a changelog revision. Values in the array contain the first 4 bytes of |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
631 |
the node hash and the 20 bytes .hgtags filenode for that revision. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
632 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
633 |
The first 4 bytes are present as a form of verification. Repository |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
634 |
stripping and rewriting may change the node at a numeric revision in the |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
635 |
changelog. The changeset fragment serves as a verifier to detect |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
636 |
rewriting. This logic is shared with the rev branch cache (see |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
637 |
branchmap.py). |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
638 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
639 |
The instance holds in memory the full cache content but entries are |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
640 |
only parsed on read. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
641 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
642 |
Instances behave like lists. ``c[i]`` works where i is a rev or |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
643 |
changeset node. Missing indexes are populated automatically on access. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
644 |
""" |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
645 |
def __init__(self, repo): |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
646 |
assert repo.filtername is None |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
647 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
648 |
self._repo = repo |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
649 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
650 |
# Only for reporting purposes. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
651 |
self.lookupcount = 0 |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
652 |
self.hitcount = 0 |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
653 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
654 |
|
29039
e3055b46ed1b
tags: silence hgtagsfnodes reading failures
Matt Mackall <mpm@selenic.com>
parents:
29038
diff
changeset
|
655 |
try: |
33537
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
656 |
data = repo.cachevfs.read(_fnodescachefile) |
29039
e3055b46ed1b
tags: silence hgtagsfnodes reading failures
Matt Mackall <mpm@selenic.com>
parents:
29038
diff
changeset
|
657 |
except (OSError, IOError): |
e3055b46ed1b
tags: silence hgtagsfnodes reading failures
Matt Mackall <mpm@selenic.com>
parents:
29038
diff
changeset
|
658 |
data = "" |
31355
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
31045
diff
changeset
|
659 |
self._raw = bytearray(data) |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
660 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
661 |
# The end state of self._raw is an array that is of the exact length |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
662 |
# required to hold a record for every revision in the repository. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
663 |
# We truncate or extend the array as necessary. self._dirtyoffset is |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
664 |
# defined to be the start offset at which we need to write the output |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
665 |
# file. This offset is also adjusted when new entries are calculated |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
666 |
# for array members. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
667 |
cllen = len(repo.changelog) |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
668 |
wantedlen = cllen * _fnodesrecsize |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
669 |
rawlen = len(self._raw) |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
670 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
671 |
self._dirtyoffset = None |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
672 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
673 |
if rawlen < wantedlen: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
674 |
self._dirtyoffset = rawlen |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
675 |
self._raw.extend('\xff' * (wantedlen - rawlen)) |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
676 |
elif rawlen > wantedlen: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
677 |
# There's no easy way to truncate array instances. This seems |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
678 |
# slightly less evil than copying a potentially large array slice. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
679 |
for i in range(rawlen - wantedlen): |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
680 |
self._raw.pop() |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
681 |
self._dirtyoffset = len(self._raw) |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
682 |
|
25380
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
683 |
def getfnode(self, node, computemissing=True): |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
684 |
"""Obtain the filenode of the .hgtags file at a specified revision. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
685 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
686 |
If the value is in the cache, the entry will be validated and returned. |
25380
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
687 |
Otherwise, the filenode will be computed and returned unless |
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
688 |
"computemissing" is False, in which case None will be returned without |
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
689 |
any potentially expensive computation being performed. |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
690 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
691 |
If an .hgtags does not exist at the specified revision, nullid is |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
692 |
returned. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
693 |
""" |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
694 |
ctx = self._repo[node] |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
695 |
rev = ctx.rev() |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
696 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
697 |
self.lookupcount += 1 |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
698 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
699 |
offset = rev * _fnodesrecsize |
31355
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
31045
diff
changeset
|
700 |
record = '%s' % self._raw[offset:offset + _fnodesrecsize] |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
701 |
properprefix = node[0:4] |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
702 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
703 |
# Validate and return existing entry. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
704 |
if record != _fnodesmissingrec: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
705 |
fileprefix = record[0:4] |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
706 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
707 |
if fileprefix == properprefix: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
708 |
self.hitcount += 1 |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
709 |
return record[4:] |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
710 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
711 |
# Fall through. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
712 |
|
25380
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
713 |
# If we get here, the entry is either missing or invalid. |
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
714 |
|
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
715 |
if not computemissing: |
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
716 |
return None |
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
717 |
|
eaa456c5e699
tags: support reading tags cache without populating
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25087
diff
changeset
|
718 |
# Populate missing entry. |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
719 |
try: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
720 |
fnode = ctx.filenode('.hgtags') |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
721 |
except error.LookupError: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
722 |
# No .hgtags file on this revision. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
723 |
fnode = nullid |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
724 |
|
25381
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
725 |
self._writeentry(offset, properprefix, fnode) |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
726 |
return fnode |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
727 |
|
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
728 |
def setfnode(self, node, fnode): |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
729 |
"""Set the .hgtags filenode for a given changeset.""" |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
730 |
assert len(fnode) == 20 |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
731 |
ctx = self._repo[node] |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
732 |
|
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
733 |
# Do a lookup first to avoid writing if nothing has changed. |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
734 |
if self.getfnode(ctx.node(), computemissing=False) == fnode: |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
735 |
return |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
736 |
|
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
737 |
self._writeentry(ctx.rev() * _fnodesrecsize, node[0:4], fnode) |
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
738 |
|
47edeff19139
tags: support setting hgtags fnodes cache entries
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25380
diff
changeset
|
739 |
def _writeentry(self, offset, prefix, fnode): |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
740 |
# Slices on array instances only accept other array. |
31355
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
31045
diff
changeset
|
741 |
entry = bytearray(prefix + fnode) |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
742 |
self._raw[offset:offset + _fnodesrecsize] = entry |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
743 |
# self._dirtyoffset could be None. |
36310
18106c3bc94a
tags: don't feed both int and None to min()
Augie Fackler <augie@google.com>
parents:
35868
diff
changeset
|
744 |
self._dirtyoffset = min(self._dirtyoffset or 0, offset or 0) |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
745 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
746 |
def write(self): |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
747 |
"""Perform all necessary writes to cache file. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
748 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
749 |
This may no-op if no writes are needed or if a write lock could |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
750 |
not be obtained. |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
751 |
""" |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
752 |
if self._dirtyoffset is None: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
753 |
return |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
754 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
755 |
data = self._raw[self._dirtyoffset:] |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
756 |
if not data: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
757 |
return |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
758 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
759 |
repo = self._repo |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
760 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
761 |
try: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
762 |
lock = repo.wlock(wait=False) |
24806
61aea11fb83d
tags: do not abort if failed to write lock file to save cache
Yuya Nishihara <yuya@tcha.org>
parents:
24763
diff
changeset
|
763 |
except error.LockError: |
33537
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
764 |
repo.ui.log('tagscache', 'not writing .hg/cache/%s because ' |
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
765 |
'lock cannot be acquired\n' % (_fnodescachefile)) |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
766 |
return |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
767 |
|
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
768 |
try: |
33537
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
769 |
f = repo.cachevfs.open(_fnodescachefile, 'ab') |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
770 |
try: |
25087
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
771 |
# if the file has been truncated |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
772 |
actualoffset = f.tell() |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
773 |
if actualoffset < self._dirtyoffset: |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
774 |
self._dirtyoffset = actualoffset |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
775 |
data = self._raw[self._dirtyoffset:] |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
776 |
f.seek(self._dirtyoffset) |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
777 |
f.truncate() |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
778 |
repo.ui.log('tagscache', |
33537
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
779 |
'writing %d bytes to cache/%s\n' % ( |
25087
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
780 |
len(data), _fnodescachefile)) |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
781 |
f.write(data) |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
782 |
self._dirtyoffset = None |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
783 |
finally: |
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
784 |
f.close() |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25381
diff
changeset
|
785 |
except (IOError, OSError) as inst: |
25087
559f24e3957d
tags: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
24806
diff
changeset
|
786 |
repo.ui.log('tagscache', |
33537
709dde1c5dd5
cachevfs: migration the tags fnode cache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33536
diff
changeset
|
787 |
"couldn't write cache/%s: %s\n" % ( |
37087
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36572
diff
changeset
|
788 |
_fnodescachefile, stringutil.forcebytestr(inst))) |
24735
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
789 |
finally: |
07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24532
diff
changeset
|
790 |
lock.release() |