/usr/lib/python2.7/dist-packages/hgext/git/verify.py is in mercurial-git 0.6.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | # verify.py - verify Mercurial revisions
#
# Copyright 2014 Facebook.
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import stat
from mercurial import error
from mercurial import util as hgutil
from mercurial.node import hex, bin, nullid
from mercurial.i18n import _
from mercurial import scmutil
from dulwich import diff_tree
from dulwich.objects import Commit, S_IFGITLINK
def verify(ui, repo, hgctx):
'''verify that a Mercurial rev matches the corresponding Git rev
Given a Mercurial revision that has a corresponding Git revision in the map,
this attempts to answer whether that revision has the same contents as the
corresponding Git revision.
'''
handler = repo.githandler
gitsha = handler.map_git_get(hgctx.hex())
if not gitsha:
# TODO deal better with commits in the middle of octopus merges
raise hgutil.Abort(_('no git commit found for rev %s') % hgctx,
hint=_('if this is an octopus merge, verify against the last rev'))
try:
gitcommit = handler.git.get_object(gitsha)
except KeyError:
raise hgutil.Abort(_('git equivalent %s for rev %s not found!') %
(gitsha, hgctx))
if not isinstance(gitcommit, Commit):
raise hgutil.Abort(_('git equivalent %s for rev %s is not a commit!') %
(gitsha, hgctx))
ui.status(_('verifying rev %s against git commit %s\n') % (hgctx, gitsha))
failed = False
# TODO check commit message and other metadata
dirkind = stat.S_IFDIR
hgfiles = set(hgctx)
# TODO deal with submodules
hgfiles.discard('.hgsubstate')
hgfiles.discard('.hgsub')
gitfiles = set()
i = 0
for gitfile, dummy in diff_tree.walk_trees(handler.git.object_store,
gitcommit.tree, None):
if gitfile.mode == dirkind:
continue
# TODO deal with submodules
if (gitfile.mode == S_IFGITLINK or gitfile.path == '.hgsubstate'
or gitfile.path == '.hgsub'):
continue
ui.progress('verify', i, total=len(hgfiles))
i += 1
gitfiles.add(gitfile.path)
try:
fctx = hgctx[gitfile.path]
except error.LookupError:
# we'll deal with this at the end
continue
hgflags = fctx.flags()
gitflags = handler.convert_git_int_mode(gitfile.mode)
if hgflags != gitflags:
ui.write(_("file has different flags: %s (hg '%s', git '%s')\n") %
(gitfile.path, hgflags, gitflags))
failed = True
if fctx.data() != handler.git[gitfile.sha].data:
ui.write(_('difference in: %s\n') % gitfile.path)
failed = True
ui.progress('verify', None, total=len(hgfiles))
if hgfiles != gitfiles:
failed = True
missing = gitfiles - hgfiles
for f in sorted(missing):
ui.write(_('file found in git but not hg: %s\n') % f)
unexpected = hgfiles - gitfiles
for f in sorted(unexpected):
ui.write(_('file found in hg but not git: %s\n') % f)
if failed:
return 1
else:
return 0
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