Mercurial > hg
annotate hgext/transplant.py @ 9171:a458b9bf4f3a
hg: better wrapping of string literal
author | Martin Geisler <mg@lazybytes.net> |
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date | Fri, 17 Jul 2009 20:52:21 +0200 |
parents | 3f505d4bfee0 |
children | 07d127e771a1 |
rev | line source |
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3714 | 1 # Patch transplanting extension for Mercurial |
2 # | |
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3 # Copyright 2006, 2007 Brendan Cully <brendan@kublai.com> |
3714 | 4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2, incorporated herein by reference. |
3714 | 7 |
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8 '''command to transplant changesets from another branch |
3714 | 9 |
10 This extension allows you to transplant patches from another branch. | |
11 | |
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12 Transplanted patches are recorded in .hg/transplant/transplants, as a map from |
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13 a changeset hash to its hash in the source repository. |
3714 | 14 ''' |
15 | |
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16 from mercurial.i18n import _ |
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17 import os, tempfile |
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18 from mercurial import bundlerepo, changegroup, cmdutil, hg, merge, match |
7633 | 19 from mercurial import patch, revlog, util, error |
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20 |
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21 class transplantentry(object): |
3714 | 22 def __init__(self, lnode, rnode): |
23 self.lnode = lnode | |
24 self.rnode = rnode | |
25 | |
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26 class transplants(object): |
3714 | 27 def __init__(self, path=None, transplantfile=None, opener=None): |
28 self.path = path | |
29 self.transplantfile = transplantfile | |
30 self.opener = opener | |
31 | |
32 if not opener: | |
33 self.opener = util.opener(self.path) | |
34 self.transplants = [] | |
35 self.dirty = False | |
36 self.read() | |
37 | |
38 def read(self): | |
39 abspath = os.path.join(self.path, self.transplantfile) | |
40 if self.transplantfile and os.path.exists(abspath): | |
41 for line in self.opener(self.transplantfile).read().splitlines(): | |
42 lnode, rnode = map(revlog.bin, line.split(':')) | |
43 self.transplants.append(transplantentry(lnode, rnode)) | |
44 | |
45 def write(self): | |
46 if self.dirty and self.transplantfile: | |
47 if not os.path.isdir(self.path): | |
48 os.mkdir(self.path) | |
49 fp = self.opener(self.transplantfile, 'w') | |
50 for c in self.transplants: | |
51 l, r = map(revlog.hex, (c.lnode, c.rnode)) | |
52 fp.write(l + ':' + r + '\n') | |
53 fp.close() | |
54 self.dirty = False | |
55 | |
56 def get(self, rnode): | |
57 return [t for t in self.transplants if t.rnode == rnode] | |
58 | |
59 def set(self, lnode, rnode): | |
60 self.transplants.append(transplantentry(lnode, rnode)) | |
61 self.dirty = True | |
62 | |
63 def remove(self, transplant): | |
64 del self.transplants[self.transplants.index(transplant)] | |
65 self.dirty = True | |
66 | |
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67 class transplanter(object): |
3714 | 68 def __init__(self, ui, repo): |
69 self.ui = ui | |
70 self.path = repo.join('transplant') | |
71 self.opener = util.opener(self.path) | |
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72 self.transplants = transplants(self.path, 'transplants', |
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73 opener=self.opener) |
3714 | 74 |
75 def applied(self, repo, node, parent): | |
76 '''returns True if a node is already an ancestor of parent | |
77 or has already been transplanted''' | |
78 if hasnode(repo, node): | |
79 if node in repo.changelog.reachable(parent, stop=node): | |
80 return True | |
81 for t in self.transplants.get(node): | |
82 # it might have been stripped | |
83 if not hasnode(repo, t.lnode): | |
84 self.transplants.remove(t) | |
85 return False | |
86 if t.lnode in repo.changelog.reachable(parent, stop=t.lnode): | |
87 return True | |
88 return False | |
89 | |
90 def apply(self, repo, source, revmap, merges, opts={}): | |
91 '''apply the revisions in revmap one by one in revision order''' | |
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92 revs = sorted(revmap) |
3714 | 93 p1, p2 = repo.dirstate.parents() |
94 pulls = [] | |
95 diffopts = patch.diffopts(self.ui, opts) | |
96 diffopts.git = True | |
97 | |
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98 lock = wlock = None |
3714 | 99 try: |
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100 wlock = repo.wlock() |
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101 lock = repo.lock() |
3714 | 102 for rev in revs: |
103 node = revmap[rev] | |
104 revstr = '%s:%s' % (rev, revlog.short(node)) | |
105 | |
106 if self.applied(repo, node, p1): | |
107 self.ui.warn(_('skipping already applied revision %s\n') % | |
108 revstr) | |
109 continue | |
110 | |
111 parents = source.changelog.parents(node) | |
112 if not opts.get('filter'): | |
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113 # If the changeset parent is the same as the |
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114 # wdir's parent, just pull it. |
3714 | 115 if parents[0] == p1: |
116 pulls.append(node) | |
117 p1 = node | |
118 continue | |
119 if pulls: | |
120 if source != repo: | |
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121 repo.pull(source, heads=pulls) |
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122 merge.update(repo, pulls[-1], False, False, None) |
3714 | 123 p1, p2 = repo.dirstate.parents() |
124 pulls = [] | |
125 | |
126 domerge = False | |
127 if node in merges: | |
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128 # pulling all the merge revs at once would mean we |
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129 # couldn't transplant after the latest even if |
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130 # transplants before them fail. |
3714 | 131 domerge = True |
132 if not hasnode(repo, node): | |
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133 repo.pull(source, heads=[node]) |
3714 | 134 |
135 if parents[1] != revlog.nullid: | |
136 self.ui.note(_('skipping merge changeset %s:%s\n') | |
137 % (rev, revlog.short(node))) | |
138 patchfile = None | |
139 else: | |
140 fd, patchfile = tempfile.mkstemp(prefix='hg-transplant-') | |
141 fp = os.fdopen(fd, 'w') | |
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142 gen = patch.diff(source, parents[0], node, opts=diffopts) |
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143 for chunk in gen: |
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144 fp.write(chunk) |
3714 | 145 fp.close() |
146 | |
147 del revmap[rev] | |
148 if patchfile or domerge: | |
149 try: | |
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150 n = self.applyone(repo, node, |
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151 source.changelog.read(node), |
3714 | 152 patchfile, merge=domerge, |
153 log=opts.get('log'), | |
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154 filter=opts.get('filter')) |
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155 if n and domerge: |
3714 | 156 self.ui.status(_('%s merged at %s\n') % (revstr, |
157 revlog.short(n))) | |
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158 elif n: |
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159 self.ui.status(_('%s transplanted to %s\n') |
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160 % (revlog.short(node), |
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161 revlog.short(n))) |
3714 | 162 finally: |
163 if patchfile: | |
164 os.unlink(patchfile) | |
165 if pulls: | |
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166 repo.pull(source, heads=pulls) |
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167 merge.update(repo, pulls[-1], False, False, None) |
3714 | 168 finally: |
169 self.saveseries(revmap, merges) | |
170 self.transplants.write() | |
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171 lock.release() |
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172 wlock.release() |
3714 | 173 |
174 def filter(self, filter, changelog, patchfile): | |
175 '''arbitrarily rewrite changeset before applying it''' | |
176 | |
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177 self.ui.status(_('filtering %s\n') % patchfile) |
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178 user, date, msg = (changelog[1], changelog[2], changelog[4]) |
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179 |
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180 fd, headerfile = tempfile.mkstemp(prefix='hg-transplant-') |
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181 fp = os.fdopen(fd, 'w') |
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182 fp.write("# HG changeset patch\n") |
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183 fp.write("# User %s\n" % user) |
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184 fp.write("# Date %d %d\n" % date) |
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185 fp.write(changelog[4]) |
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186 fp.close() |
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187 |
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188 try: |
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189 util.system('%s %s %s' % (filter, util.shellquote(headerfile), |
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190 util.shellquote(patchfile)), |
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191 environ={'HGUSER': changelog[1]}, |
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192 onerr=util.Abort, errprefix=_('filter failed')) |
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193 user, date, msg = self.parselog(file(headerfile))[1:4] |
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194 finally: |
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195 os.unlink(headerfile) |
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196 |
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197 return (user, date, msg) |
3714 | 198 |
199 def applyone(self, repo, node, cl, patchfile, merge=False, log=False, | |
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200 filter=None): |
3714 | 201 '''apply the patch in patchfile to the repository as a transplant''' |
202 (manifest, user, (time, timezone), files, message) = cl[:5] | |
203 date = "%d %d" % (time, timezone) | |
204 extra = {'transplant_source': node} | |
205 if filter: | |
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206 (user, date, message) = self.filter(filter, cl, patchfile) |
3714 | 207 |
208 if log: | |
209 message += '\n(transplanted from %s)' % revlog.hex(node) | |
210 | |
211 self.ui.status(_('applying %s\n') % revlog.short(node)) | |
212 self.ui.note('%s %s\n%s\n' % (user, date, message)) | |
213 | |
214 if not patchfile and not merge: | |
215 raise util.Abort(_('can only omit patchfile if merging')) | |
216 if patchfile: | |
217 try: | |
218 files = {} | |
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219 try: |
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220 patch.patch(patchfile, self.ui, cwd=repo.root, |
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221 files=files, eolmode=None) |
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222 if not files: |
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223 self.ui.warn(_('%s: empty changeset') |
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224 % revlog.hex(node)) |
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225 return None |
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226 finally: |
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227 files = patch.updatedir(self.ui, repo, files) |
3714 | 228 except Exception, inst: |
229 if filter: | |
230 os.unlink(patchfile) | |
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231 seriespath = os.path.join(self.path, 'series') |
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232 if os.path.exists(seriespath): |
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233 os.unlink(seriespath) |
3714 | 234 p1 = repo.dirstate.parents()[0] |
235 p2 = node | |
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236 self.log(user, date, message, p1, p2, merge=merge) |
3714 | 237 self.ui.write(str(inst) + '\n') |
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238 raise util.Abort(_('Fix up the merge and run ' |
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239 'hg transplant --continue')) |
3714 | 240 else: |
241 files = None | |
242 if merge: | |
243 p1, p2 = repo.dirstate.parents() | |
244 repo.dirstate.setparents(p1, node) | |
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245 m = match.always(repo.root, '') |
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246 else: |
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247 m = match.exact(repo.root, '', files) |
3714 | 248 |
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249 n = repo.commit(message, user, date, extra=extra, match=m) |
3714 | 250 if not merge: |
251 self.transplants.set(n, node) | |
252 | |
253 return n | |
254 | |
255 def resume(self, repo, source, opts=None): | |
256 '''recover last transaction and apply remaining changesets''' | |
257 if os.path.exists(os.path.join(self.path, 'journal')): | |
258 n, node = self.recover(repo) | |
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259 self.ui.status(_('%s transplanted as %s\n') % (revlog.short(node), |
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260 revlog.short(n))) |
3714 | 261 seriespath = os.path.join(self.path, 'series') |
262 if not os.path.exists(seriespath): | |
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263 self.transplants.write() |
3714 | 264 return |
265 nodes, merges = self.readseries() | |
266 revmap = {} | |
267 for n in nodes: | |
268 revmap[source.changelog.rev(n)] = n | |
269 os.unlink(seriespath) | |
270 | |
271 self.apply(repo, source, revmap, merges, opts) | |
272 | |
273 def recover(self, repo): | |
274 '''commit working directory using journal metadata''' | |
275 node, user, date, message, parents = self.readlog() | |
276 merge = len(parents) == 2 | |
277 | |
278 if not user or not date or not message or not parents[0]: | |
279 raise util.Abort(_('transplant log file is corrupt')) | |
280 | |
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281 extra = {'transplant_source': node} |
3714 | 282 wlock = repo.wlock() |
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283 try: |
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284 p1, p2 = repo.dirstate.parents() |
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285 if p1 != parents[0]: |
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286 raise util.Abort( |
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287 _('working dir not at transplant parent %s') % |
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288 revlog.hex(parents[0])) |
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289 if merge: |
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290 repo.dirstate.setparents(p1, parents[1]) |
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291 n = repo.commit(message, user, date, extra=extra) |
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292 if not n: |
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293 raise util.Abort(_('commit failed')) |
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294 if not merge: |
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295 self.transplants.set(n, node) |
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296 self.unlog() |
3714 | 297 |
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298 return n, node |
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299 finally: |
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300 wlock.release() |
3714 | 301 |
302 def readseries(self): | |
303 nodes = [] | |
304 merges = [] | |
305 cur = nodes | |
306 for line in self.opener('series').read().splitlines(): | |
307 if line.startswith('# Merges'): | |
308 cur = merges | |
309 continue | |
310 cur.append(revlog.bin(line)) | |
311 | |
312 return (nodes, merges) | |
313 | |
314 def saveseries(self, revmap, merges): | |
315 if not revmap: | |
316 return | |
317 | |
318 if not os.path.isdir(self.path): | |
319 os.mkdir(self.path) | |
320 series = self.opener('series', 'w') | |
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321 for rev in sorted(revmap): |
3714 | 322 series.write(revlog.hex(revmap[rev]) + '\n') |
323 if merges: | |
324 series.write('# Merges\n') | |
325 for m in merges: | |
326 series.write(revlog.hex(m) + '\n') | |
327 series.close() | |
328 | |
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329 def parselog(self, fp): |
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330 parents = [] |
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331 message = [] |
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332 node = revlog.nullid |
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333 inmsg = False |
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334 for line in fp.read().splitlines(): |
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335 if inmsg: |
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336 message.append(line) |
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337 elif line.startswith('# User '): |
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338 user = line[7:] |
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339 elif line.startswith('# Date '): |
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340 date = line[7:] |
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341 elif line.startswith('# Node ID '): |
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342 node = revlog.bin(line[10:]) |
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343 elif line.startswith('# Parent '): |
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344 parents.append(revlog.bin(line[9:])) |
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345 elif not line.startswith('#'): |
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346 inmsg = True |
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347 message.append(line) |
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348 return (node, user, date, '\n'.join(message), parents) |
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349 |
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350 def log(self, user, date, message, p1, p2, merge=False): |
3714 | 351 '''journal changelog metadata for later recover''' |
352 | |
353 if not os.path.isdir(self.path): | |
354 os.mkdir(self.path) | |
355 fp = self.opener('journal', 'w') | |
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356 fp.write('# User %s\n' % user) |
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357 fp.write('# Date %s\n' % date) |
3714 | 358 fp.write('# Node ID %s\n' % revlog.hex(p2)) |
359 fp.write('# Parent ' + revlog.hex(p1) + '\n') | |
360 if merge: | |
361 fp.write('# Parent ' + revlog.hex(p2) + '\n') | |
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362 fp.write(message.rstrip() + '\n') |
3714 | 363 fp.close() |
364 | |
365 def readlog(self): | |
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366 return self.parselog(self.opener('journal')) |
3714 | 367 |
368 def unlog(self): | |
369 '''remove changelog journal''' | |
370 absdst = os.path.join(self.path, 'journal') | |
371 if os.path.exists(absdst): | |
372 os.unlink(absdst) | |
373 | |
374 def transplantfilter(self, repo, source, root): | |
375 def matchfn(node): | |
376 if self.applied(repo, node, root): | |
377 return False | |
378 if source.changelog.parents(node)[1] != revlog.nullid: | |
379 return False | |
380 extra = source.changelog.read(node)[5] | |
381 cnode = extra.get('transplant_source') | |
382 if cnode and self.applied(repo, cnode, root): | |
383 return False | |
384 return True | |
385 | |
386 return matchfn | |
387 | |
388 def hasnode(repo, node): | |
389 try: | |
390 return repo.changelog.rev(node) != None | |
7633 | 391 except error.RevlogError: |
3714 | 392 return False |
393 | |
394 def browserevs(ui, repo, nodes, opts): | |
395 '''interactively transplant changesets''' | |
396 def browsehelp(ui): | |
397 ui.write('y: transplant this changeset\n' | |
398 'n: skip this changeset\n' | |
399 'm: merge at this changeset\n' | |
400 'p: show patch\n' | |
401 'c: commit selected changesets\n' | |
402 'q: cancel transplant\n' | |
403 '?: show this help\n') | |
404 | |
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diff
changeset
|
405 displayer = cmdutil.show_changeset(ui, repo, opts) |
3714 | 406 transplants = [] |
407 merges = [] | |
408 for node in nodes: | |
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|
409 displayer.show(repo[node]) |
3714 | 410 action = None |
411 while not action: | |
412 action = ui.prompt(_('apply changeset? [ynmpcq?]:')) | |
413 if action == '?': | |
414 browsehelp(ui) | |
415 action = None | |
416 elif action == 'p': | |
417 parent = repo.changelog.parents(node)[0] | |
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418 for chunk in patch.diff(repo, parent, node): |
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|
419 ui.write(chunk) |
3714 | 420 action = None |
421 elif action not in ('y', 'n', 'm', 'c', 'q'): | |
422 ui.write('no such option\n') | |
423 action = None | |
424 if action == 'y': | |
425 transplants.append(node) | |
426 elif action == 'm': | |
427 merges.append(node) | |
428 elif action == 'c': | |
429 break | |
430 elif action == 'q': | |
431 transplants = () | |
432 merges = () | |
433 break | |
434 return (transplants, merges) | |
435 | |
436 def transplant(ui, repo, *revs, **opts): | |
437 '''transplant changesets from another branch | |
438 | |
439 Selected changesets will be applied on top of the current working | |
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440 directory with the log of the original changeset. If --log is specified, |
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441 log messages will have a comment appended of the form: |
3714 | 442 |
443 (transplanted from CHANGESETHASH) | |
444 | |
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445 You can rewrite the changelog message with the --filter option. Its |
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|
446 argument will be invoked with the current changelog message as $1 and the |
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|
447 patch as $2. |
3714 | 448 |
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449 If --source/-s is specified, selects changesets from the named repository. |
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|
450 If --branch/-b is specified, selects changesets from the branch holding |
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451 the named revision, up to that revision. If --all/-a is specified, all |
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changeset
|
452 changesets on the branch will be transplanted, otherwise you will be |
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changeset
|
453 prompted to select the changesets you want. |
3714 | 454 |
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changeset
|
455 hg transplant --branch REVISION --all will rebase the selected branch (up |
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changeset
|
456 to the named revision) onto your current working directory. |
3714 | 457 |
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|
458 You can optionally mark selected transplanted changesets as merge |
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|
459 changesets. You will not be prompted to transplant any ancestors of a |
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460 merged transplant, and you can merge descendants of them normally instead |
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|
461 of transplanting them. |
3714 | 462 |
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|
463 If no merges or revisions are provided, hg transplant will start an |
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|
464 interactive changeset browser. |
3714 | 465 |
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|
466 If a changeset application fails, you can fix the merge by hand and then |
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|
467 resume where you left off by calling hg transplant --continue/-c. |
3714 | 468 ''' |
469 def getremotechanges(repo, url): | |
470 sourcerepo = ui.expandpath(url) | |
471 source = hg.repository(ui, sourcerepo) | |
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changeset
|
472 common, incoming, rheads = repo.findcommonincoming(source, force=True) |
3714 | 473 if not incoming: |
474 return (source, None, None) | |
475 | |
476 bundle = None | |
477 if not source.local(): | |
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|
478 if source.capable('changegroupsubset'): |
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479 cg = source.changegroupsubset(incoming, rheads, 'incoming') |
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480 else: |
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|
481 cg = source.changegroup(incoming, 'incoming') |
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transplant: update to current writebundle API
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diff
changeset
|
482 bundle = changegroup.writebundle(cg, None, 'HG10UN') |
3714 | 483 source = bundlerepo.bundlerepository(ui, repo.root, bundle) |
484 | |
485 return (source, incoming, bundle) | |
486 | |
487 def incwalk(repo, incoming, branches, match=util.always): | |
488 if not branches: | |
489 branches=None | |
490 for node in repo.changelog.nodesbetween(incoming, branches)[0]: | |
491 if match(node): | |
492 yield node | |
493 | |
494 def transplantwalk(repo, root, branches, match=util.always): | |
495 if not branches: | |
496 branches = repo.heads() | |
497 ancestors = [] | |
498 for branch in branches: | |
499 ancestors.append(repo.changelog.ancestor(root, branch)) | |
500 for node in repo.changelog.nodesbetween(ancestors, branches)[0]: | |
501 if match(node): | |
502 yield node | |
503 | |
504 def checkopts(opts, revs): | |
505 if opts.get('continue'): | |
506 if filter(lambda opt: opts.get(opt), ('branch', 'all', 'merge')): | |
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507 raise util.Abort(_('--continue is incompatible with ' |
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508 'branch, all or merge')) |
3714 | 509 return |
510 if not (opts.get('source') or revs or | |
511 opts.get('merge') or opts.get('branch')): | |
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512 raise util.Abort(_('no source URL, branch tag or revision ' |
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513 'list provided')) |
3714 | 514 if opts.get('all'): |
515 if not opts.get('branch'): | |
516 raise util.Abort(_('--all requires a branch revision')) | |
517 if revs: | |
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518 raise util.Abort(_('--all is incompatible with a ' |
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519 'revision list')) |
3714 | 520 |
521 checkopts(opts, revs) | |
522 | |
523 if not opts.get('log'): | |
524 opts['log'] = ui.config('transplant', 'log') | |
525 if not opts.get('filter'): | |
526 opts['filter'] = ui.config('transplant', 'filter') | |
527 | |
528 tp = transplanter(ui, repo) | |
529 | |
530 p1, p2 = repo.dirstate.parents() | |
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531 if len(repo) > 0 and p1 == revlog.nullid: |
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532 raise util.Abort(_('no revision checked out')) |
3714 | 533 if not opts.get('continue'): |
534 if p2 != revlog.nullid: | |
535 raise util.Abort(_('outstanding uncommitted merges')) | |
536 m, a, r, d = repo.status()[:4] | |
537 if m or a or r or d: | |
538 raise util.Abort(_('outstanding local changes')) | |
539 | |
540 bundle = None | |
541 source = opts.get('source') | |
542 if source: | |
543 (source, incoming, bundle) = getremotechanges(repo, source) | |
544 else: | |
545 source = repo | |
546 | |
547 try: | |
548 if opts.get('continue'): | |
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549 tp.resume(repo, source, opts) |
3714 | 550 return |
551 | |
552 tf=tp.transplantfilter(repo, source, p1) | |
553 if opts.get('prune'): | |
554 prune = [source.lookup(r) | |
555 for r in cmdutil.revrange(source, opts.get('prune'))] | |
556 matchfn = lambda x: tf(x) and x not in prune | |
557 else: | |
558 matchfn = tf | |
559 branches = map(source.lookup, opts.get('branch', ())) | |
560 merges = map(source.lookup, opts.get('merge', ())) | |
561 revmap = {} | |
562 if revs: | |
563 for r in cmdutil.revrange(source, revs): | |
564 revmap[int(r)] = source.lookup(r) | |
565 elif opts.get('all') or not merges: | |
566 if source != repo: | |
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567 alltransplants = incwalk(source, incoming, branches, |
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568 match=matchfn) |
3714 | 569 else: |
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570 alltransplants = transplantwalk(source, p1, branches, |
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571 match=matchfn) |
3714 | 572 if opts.get('all'): |
573 revs = alltransplants | |
574 else: | |
575 revs, newmerges = browserevs(ui, source, alltransplants, opts) | |
576 merges.extend(newmerges) | |
577 for r in revs: | |
578 revmap[source.changelog.rev(r)] = r | |
579 for r in merges: | |
580 revmap[source.changelog.rev(r)] = r | |
581 | |
582 tp.apply(repo, source, revmap, merges, opts) | |
583 finally: | |
584 if bundle: | |
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585 source.close() |
3714 | 586 os.unlink(bundle) |
587 | |
588 cmdtable = { | |
589 "transplant": | |
590 (transplant, | |
591 [('s', 'source', '', _('pull patches from REPOSITORY')), | |
592 ('b', 'branch', [], _('pull patches from branch BRANCH')), | |
593 ('a', 'all', None, _('pull all changesets up to BRANCH')), | |
594 ('p', 'prune', [], _('skip over REV')), | |
595 ('m', 'merge', [], _('merge at REV')), | |
596 ('', 'log', None, _('append transplant info to log message')), | |
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597 ('c', 'continue', None, _('continue last transplant session ' |
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598 'after repair')), |
3714 | 599 ('', 'filter', '', _('filter changesets through FILTER'))], |
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600 _('hg transplant [-s REPOSITORY] [-b BRANCH [-a]] [-p REV] ' |
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601 '[-m REV] [REV]...')) |
3714 | 602 } |