Mercurial > hg
view mercurial/statichttprepo.py @ 12972:7916a84c0758 stable
log: fix log -rREV FILE when REV isnt the last filerev (issue2492)
Regression from 99cafcae25d9. That previous commit is not supposed
to affect log calls without --follow, so we step out of this
codepath if follow is not True, and it's enough to fix the
regression.
When --follow is given, we fix the issue by taking into account
changesets that have a rev > maxrev to build the filegraph: even if
those files are not included in the final result, it's still needed
to walk correctly the graph from the end of the filelog to minrev, to
track accurately renames.
author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
---|---|
date | Thu, 11 Nov 2010 02:10:37 +0900 |
parents | aaf9968bd8b7 |
children | 61c9bc3da402 |
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# statichttprepo.py - simple http repository class for mercurial # # This provides read-only repo access to repositories exported via static http # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from i18n import _ import changelog, byterange, url, error import localrepo, manifest, util, store import urllib, urllib2, errno class httprangereader(object): def __init__(self, url, opener): # we assume opener has HTTPRangeHandler self.url = url self.pos = 0 self.opener = opener self.name = url def seek(self, pos): self.pos = pos def read(self, bytes=None): req = urllib2.Request(self.url) end = '' if bytes: end = self.pos + bytes - 1 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) try: f = self.opener.open(req) data = f.read() if hasattr(f, 'getcode'): # python 2.6+ code = f.getcode() elif hasattr(f, 'code'): # undocumented attribute, seems to be set in 2.4 and 2.5 code = f.code else: # Don't know how to check, hope for the best. code = 206 except urllib2.HTTPError, inst: num = inst.code == 404 and errno.ENOENT or None raise IOError(num, inst) except urllib2.URLError, inst: raise IOError(None, inst.reason[1]) if code == 200: # HTTPRangeHandler does nothing if remote does not support # Range headers and returns the full entity. Let's slice it. if bytes: data = data[self.pos:self.pos + bytes] else: data = data[self.pos:] elif bytes: data = data[:bytes] self.pos += len(data) return data def __iter__(self): return iter(self.read().splitlines(1)) def close(self): pass def build_opener(ui, authinfo): # urllib cannot handle URLs with embedded user or passwd urlopener = url.opener(ui, authinfo) urlopener.add_handler(byterange.HTTPRangeHandler()) def opener(base): """return a function that opens files over http""" p = base def o(path, mode="r", atomictemp=None): if 'a' in mode or 'w' in mode: raise IOError('Permission denied') f = "/".join((p, urllib.quote(path))) return httprangereader(f, urlopener) return o opener.options = {'nonlazy': 1} return opener class statichttprepository(localrepo.localrepository): def __init__(self, ui, path): self._url = path self.ui = ui self.root = path self.path, authinfo = url.getauthinfo(path.rstrip('/') + "/.hg") opener = build_opener(ui, authinfo) self.opener = opener(self.path) # find requirements try: requirements = self.opener("requires").read().splitlines() except IOError, inst: if inst.errno != errno.ENOENT: raise # check if it is a non-empty old-style repository try: self.opener("00changelog.i").read(1) except IOError, inst: if inst.errno != errno.ENOENT: raise # we do not care about empty old-style repositories here msg = _("'%s' does not appear to be an hg repository") % path raise error.RepoError(msg) requirements = [] # check them for r in requirements: if r not in self.supported: raise error.RepoError(_("requirement '%s' not supported") % r) # setup store def pjoin(a, b): return a + '/' + b self.store = store.store(requirements, self.path, opener, pjoin) self.spath = self.store.path self.sopener = self.store.opener self.sjoin = self.store.join self.manifest = manifest.manifest(self.sopener) self.changelog = changelog.changelog(self.sopener) self._tags = None self.nodetagscache = None self._branchcache = None self._branchcachetip = None self.encodepats = None self.decodepats = None self.capabilities.remove("pushkey") def url(self): return self._url def local(self): return False def lock(self, wait=True): raise util.Abort(_('cannot lock static-http repository')) def instance(ui, path, create): if create: raise util.Abort(_('cannot create new static-http repository')) return statichttprepository(ui, path[7:])