/usr/lib/python2.7/dist-packages/hgext/largefiles/overrides.py is in mercurial-common 4.5.3-1ubuntu2.
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Ward
# Copyright 2009-2010 Intelerad Medical Systems Incorporated
# Copyright 2010-2011 Fog Creek Software
# Copyright 2010-2011 Unity Technologies
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
'''Overridden Mercurial commands and functions for the largefiles extension'''
from __future__ import absolute_import
import copy
import os
from mercurial.i18n import _
from mercurial import (
archival,
cmdutil,
error,
hg,
match as matchmod,
pathutil,
pycompat,
registrar,
scmutil,
smartset,
util,
)
from . import (
lfcommands,
lfutil,
storefactory,
)
# -- Utility functions: commonly/repeatedly needed functionality ---------------
def composelargefilematcher(match, manifest):
'''create a matcher that matches only the largefiles in the original
matcher'''
m = copy.copy(match)
lfile = lambda f: lfutil.standin(f) in manifest
m._files = filter(lfile, m._files)
m._fileset = set(m._files)
m.always = lambda: False
origmatchfn = m.matchfn
m.matchfn = lambda f: lfile(f) and origmatchfn(f)
return m
def composenormalfilematcher(match, manifest, exclude=None):
excluded = set()
if exclude is not None:
excluded.update(exclude)
m = copy.copy(match)
notlfile = lambda f: not (lfutil.isstandin(f) or lfutil.standin(f) in
manifest or f in excluded)
m._files = filter(notlfile, m._files)
m._fileset = set(m._files)
m.always = lambda: False
origmatchfn = m.matchfn
m.matchfn = lambda f: notlfile(f) and origmatchfn(f)
return m
def installnormalfilesmatchfn(manifest):
'''installmatchfn with a matchfn that ignores all largefiles'''
def overridematch(ctx, pats=(), opts=None, globbed=False,
default='relpath', badfn=None):
if opts is None:
opts = {}
match = oldmatch(ctx, pats, opts, globbed, default, badfn=badfn)
return composenormalfilematcher(match, manifest)
oldmatch = installmatchfn(overridematch)
def installmatchfn(f):
'''monkey patch the scmutil module with a custom match function.
Warning: it is monkey patching the _module_ on runtime! Not thread safe!'''
oldmatch = scmutil.match
setattr(f, 'oldmatch', oldmatch)
scmutil.match = f
return oldmatch
def restorematchfn():
'''restores scmutil.match to what it was before installmatchfn
was called. no-op if scmutil.match is its original function.
Note that n calls to installmatchfn will require n calls to
restore the original matchfn.'''
scmutil.match = getattr(scmutil.match, 'oldmatch')
def installmatchandpatsfn(f):
oldmatchandpats = scmutil.matchandpats
setattr(f, 'oldmatchandpats', oldmatchandpats)
scmutil.matchandpats = f
return oldmatchandpats
def restorematchandpatsfn():
'''restores scmutil.matchandpats to what it was before
installmatchandpatsfn was called. No-op if scmutil.matchandpats
is its original function.
Note that n calls to installmatchandpatsfn will require n calls
to restore the original matchfn.'''
scmutil.matchandpats = getattr(scmutil.matchandpats, 'oldmatchandpats',
scmutil.matchandpats)
def addlargefiles(ui, repo, isaddremove, matcher, **opts):
large = opts.get(r'large')
lfsize = lfutil.getminsize(
ui, lfutil.islfilesrepo(repo), opts.get(r'lfsize'))
lfmatcher = None
if lfutil.islfilesrepo(repo):
lfpats = ui.configlist(lfutil.longname, 'patterns')
if lfpats:
lfmatcher = matchmod.match(repo.root, '', list(lfpats))
lfnames = []
m = matcher
wctx = repo[None]
for f in wctx.walk(matchmod.badmatch(m, lambda x, y: None)):
exact = m.exact(f)
lfile = lfutil.standin(f) in wctx
nfile = f in wctx
exists = lfile or nfile
# addremove in core gets fancy with the name, add doesn't
if isaddremove:
name = m.uipath(f)
else:
name = m.rel(f)
# Don't warn the user when they attempt to add a normal tracked file.
# The normal add code will do that for us.
if exact and exists:
if lfile:
ui.warn(_('%s already a largefile\n') % name)
continue
if (exact or not exists) and not lfutil.isstandin(f):
# In case the file was removed previously, but not committed
# (issue3507)
if not repo.wvfs.exists(f):
continue
abovemin = (lfsize and
repo.wvfs.lstat(f).st_size >= lfsize * 1024 * 1024)
if large or abovemin or (lfmatcher and lfmatcher(f)):
lfnames.append(f)
if ui.verbose or not exact:
ui.status(_('adding %s as a largefile\n') % name)
bad = []
# Need to lock, otherwise there could be a race condition between
# when standins are created and added to the repo.
with repo.wlock():
if not opts.get(r'dry_run'):
standins = []
lfdirstate = lfutil.openlfdirstate(ui, repo)
for f in lfnames:
standinname = lfutil.standin(f)
lfutil.writestandin(repo, standinname, hash='',
executable=lfutil.getexecutable(repo.wjoin(f)))
standins.append(standinname)
if lfdirstate[f] == 'r':
lfdirstate.normallookup(f)
else:
lfdirstate.add(f)
lfdirstate.write()
bad += [lfutil.splitstandin(f)
for f in repo[None].add(standins)
if f in m.files()]
added = [f for f in lfnames if f not in bad]
return added, bad
def removelargefiles(ui, repo, isaddremove, matcher, **opts):
after = opts.get(r'after')
m = composelargefilematcher(matcher, repo[None].manifest())
try:
repo.lfstatus = True
s = repo.status(match=m, clean=not isaddremove)
finally:
repo.lfstatus = False
manifest = repo[None].manifest()
modified, added, deleted, clean = [[f for f in list
if lfutil.standin(f) in manifest]
for list in (s.modified, s.added,
s.deleted, s.clean)]
def warn(files, msg):
for f in files:
ui.warn(msg % m.rel(f))
return int(len(files) > 0)
result = 0
if after:
remove = deleted
result = warn(modified + added + clean,
_('not removing %s: file still exists\n'))
else:
remove = deleted + clean
result = warn(modified, _('not removing %s: file is modified (use -f'
' to force removal)\n'))
result = warn(added, _('not removing %s: file has been marked for add'
' (use forget to undo)\n')) or result
# Need to lock because standin files are deleted then removed from the
# repository and we could race in-between.
with repo.wlock():
lfdirstate = lfutil.openlfdirstate(ui, repo)
for f in sorted(remove):
if ui.verbose or not m.exact(f):
# addremove in core gets fancy with the name, remove doesn't
if isaddremove:
name = m.uipath(f)
else:
name = m.rel(f)
ui.status(_('removing %s\n') % name)
if not opts.get(r'dry_run'):
if not after:
repo.wvfs.unlinkpath(f, ignoremissing=True)
if opts.get(r'dry_run'):
return result
remove = [lfutil.standin(f) for f in remove]
# If this is being called by addremove, let the original addremove
# function handle this.
if not isaddremove:
for f in remove:
repo.wvfs.unlinkpath(f, ignoremissing=True)
repo[None].forget(remove)
for f in remove:
lfutil.synclfdirstate(repo, lfdirstate, lfutil.splitstandin(f),
False)
lfdirstate.write()
return result
# For overriding mercurial.hgweb.webcommands so that largefiles will
# appear at their right place in the manifests.
def decodepath(orig, path):
return lfutil.splitstandin(path) or path
# -- Wrappers: modify existing commands --------------------------------
def overrideadd(orig, ui, repo, *pats, **opts):
if opts.get(r'normal') and opts.get(r'large'):
raise error.Abort(_('--normal cannot be used with --large'))
return orig(ui, repo, *pats, **opts)
def cmdutiladd(orig, ui, repo, matcher, prefix, explicitonly, **opts):
# The --normal flag short circuits this override
if opts.get(r'normal'):
return orig(ui, repo, matcher, prefix, explicitonly, **opts)
ladded, lbad = addlargefiles(ui, repo, False, matcher, **opts)
normalmatcher = composenormalfilematcher(matcher, repo[None].manifest(),
ladded)
bad = orig(ui, repo, normalmatcher, prefix, explicitonly, **opts)
bad.extend(f for f in lbad)
return bad
def cmdutilremove(orig, ui, repo, matcher, prefix, after, force, subrepos):
normalmatcher = composenormalfilematcher(matcher, repo[None].manifest())
result = orig(ui, repo, normalmatcher, prefix, after, force, subrepos)
return removelargefiles(ui, repo, False, matcher, after=after,
force=force) or result
def overridestatusfn(orig, repo, rev2, **opts):
try:
repo._repo.lfstatus = True
return orig(repo, rev2, **opts)
finally:
repo._repo.lfstatus = False
def overridestatus(orig, ui, repo, *pats, **opts):
try:
repo.lfstatus = True
return orig(ui, repo, *pats, **opts)
finally:
repo.lfstatus = False
def overridedirty(orig, repo, ignoreupdate=False, missing=False):
try:
repo._repo.lfstatus = True
return orig(repo, ignoreupdate=ignoreupdate, missing=missing)
finally:
repo._repo.lfstatus = False
def overridelog(orig, ui, repo, *pats, **opts):
def overridematchandpats(ctx, pats=(), opts=None, globbed=False,
default='relpath', badfn=None):
"""Matcher that merges root directory with .hglf, suitable for log.
It is still possible to match .hglf directly.
For any listed files run log on the standin too.
matchfn tries both the given filename and with .hglf stripped.
"""
if opts is None:
opts = {}
matchandpats = oldmatchandpats(ctx, pats, opts, globbed, default,
badfn=badfn)
m, p = copy.copy(matchandpats)
if m.always():
# We want to match everything anyway, so there's no benefit trying
# to add standins.
return matchandpats
pats = set(p)
def fixpats(pat, tostandin=lfutil.standin):
if pat.startswith('set:'):
return pat
kindpat = matchmod._patsplit(pat, None)
if kindpat[0] is not None:
return kindpat[0] + ':' + tostandin(kindpat[1])
return tostandin(kindpat[1])
if m._cwd:
hglf = lfutil.shortname
back = util.pconvert(m.rel(hglf)[:-len(hglf)])
def tostandin(f):
# The file may already be a standin, so truncate the back
# prefix and test before mangling it. This avoids turning
# 'glob:../.hglf/foo*' into 'glob:../.hglf/../.hglf/foo*'.
if f.startswith(back) and lfutil.splitstandin(f[len(back):]):
return f
# An absolute path is from outside the repo, so truncate the
# path to the root before building the standin. Otherwise cwd
# is somewhere in the repo, relative to root, and needs to be
# prepended before building the standin.
if os.path.isabs(m._cwd):
f = f[len(back):]
else:
f = m._cwd + '/' + f
return back + lfutil.standin(f)
else:
def tostandin(f):
if lfutil.isstandin(f):
return f
return lfutil.standin(f)
pats.update(fixpats(f, tostandin) for f in p)
for i in range(0, len(m._files)):
# Don't add '.hglf' to m.files, since that is already covered by '.'
if m._files[i] == '.':
continue
standin = lfutil.standin(m._files[i])
# If the "standin" is a directory, append instead of replace to
# support naming a directory on the command line with only
# largefiles. The original directory is kept to support normal
# files.
if standin in ctx:
m._files[i] = standin
elif m._files[i] not in ctx and repo.wvfs.isdir(standin):
m._files.append(standin)
m._fileset = set(m._files)
m.always = lambda: False
origmatchfn = m.matchfn
def lfmatchfn(f):
lf = lfutil.splitstandin(f)
if lf is not None and origmatchfn(lf):
return True
r = origmatchfn(f)
return r
m.matchfn = lfmatchfn
ui.debug('updated patterns: %s\n' % ', '.join(sorted(pats)))
return m, pats
# For hg log --patch, the match object is used in two different senses:
# (1) to determine what revisions should be printed out, and
# (2) to determine what files to print out diffs for.
# The magic matchandpats override should be used for case (1) but not for
# case (2).
def overridemakelogfilematcher(repo, pats, opts, badfn=None):
wctx = repo[None]
match, pats = oldmatchandpats(wctx, pats, opts, badfn=badfn)
return lambda rev: match
oldmatchandpats = installmatchandpatsfn(overridematchandpats)
oldmakelogfilematcher = cmdutil._makenofollowlogfilematcher
setattr(cmdutil, '_makenofollowlogfilematcher', overridemakelogfilematcher)
try:
return orig(ui, repo, *pats, **opts)
finally:
restorematchandpatsfn()
setattr(cmdutil, '_makenofollowlogfilematcher', oldmakelogfilematcher)
def overrideverify(orig, ui, repo, *pats, **opts):
large = opts.pop(r'large', False)
all = opts.pop(r'lfa', False)
contents = opts.pop(r'lfc', False)
result = orig(ui, repo, *pats, **opts)
if large or all or contents:
result = result or lfcommands.verifylfiles(ui, repo, all, contents)
return result
def overridedebugstate(orig, ui, repo, *pats, **opts):
large = opts.pop(r'large', False)
if large:
class fakerepo(object):
dirstate = lfutil.openlfdirstate(ui, repo)
orig(ui, fakerepo, *pats, **opts)
else:
orig(ui, repo, *pats, **opts)
# Before starting the manifest merge, merge.updates will call
# _checkunknownfile to check if there are any files in the merged-in
# changeset that collide with unknown files in the working copy.
#
# The largefiles are seen as unknown, so this prevents us from merging
# in a file 'foo' if we already have a largefile with the same name.
#
# The overridden function filters the unknown files by removing any
# largefiles. This makes the merge proceed and we can then handle this
# case further in the overridden calculateupdates function below.
def overridecheckunknownfile(origfn, repo, wctx, mctx, f, f2=None):
if lfutil.standin(repo.dirstate.normalize(f)) in wctx:
return False
return origfn(repo, wctx, mctx, f, f2)
# The manifest merge handles conflicts on the manifest level. We want
# to handle changes in largefile-ness of files at this level too.
#
# The strategy is to run the original calculateupdates and then process
# the action list it outputs. There are two cases we need to deal with:
#
# 1. Normal file in p1, largefile in p2. Here the largefile is
# detected via its standin file, which will enter the working copy
# with a "get" action. It is not "merge" since the standin is all
# Mercurial is concerned with at this level -- the link to the
# existing normal file is not relevant here.
#
# 2. Largefile in p1, normal file in p2. Here we get a "merge" action
# since the largefile will be present in the working copy and
# different from the normal file in p2. Mercurial therefore
# triggers a merge action.
#
# In both cases, we prompt the user and emit new actions to either
# remove the standin (if the normal file was kept) or to remove the
# normal file and get the standin (if the largefile was kept). The
# default prompt answer is to use the largefile version since it was
# presumably changed on purpose.
#
# Finally, the merge.applyupdates function will then take care of
# writing the files into the working copy and lfcommands.updatelfiles
# will update the largefiles.
def overridecalculateupdates(origfn, repo, p1, p2, pas, branchmerge, force,
acceptremote, *args, **kwargs):
overwrite = force and not branchmerge
actions, diverge, renamedelete = origfn(
repo, p1, p2, pas, branchmerge, force, acceptremote, *args, **kwargs)
if overwrite:
return actions, diverge, renamedelete
# Convert to dictionary with filename as key and action as value.
lfiles = set()
for f in actions:
splitstandin = lfutil.splitstandin(f)
if splitstandin in p1:
lfiles.add(splitstandin)
elif lfutil.standin(f) in p1:
lfiles.add(f)
for lfile in sorted(lfiles):
standin = lfutil.standin(lfile)
(lm, largs, lmsg) = actions.get(lfile, (None, None, None))
(sm, sargs, smsg) = actions.get(standin, (None, None, None))
if sm in ('g', 'dc') and lm != 'r':
if sm == 'dc':
f1, f2, fa, move, anc = sargs
sargs = (p2[f2].flags(), False)
# Case 1: normal file in the working copy, largefile in
# the second parent
usermsg = _('remote turned local normal file %s into a largefile\n'
'use (l)argefile or keep (n)ormal file?'
'$$ &Largefile $$ &Normal file') % lfile
if repo.ui.promptchoice(usermsg, 0) == 0: # pick remote largefile
actions[lfile] = ('r', None, 'replaced by standin')
actions[standin] = ('g', sargs, 'replaces standin')
else: # keep local normal file
actions[lfile] = ('k', None, 'replaces standin')
if branchmerge:
actions[standin] = ('k', None, 'replaced by non-standin')
else:
actions[standin] = ('r', None, 'replaced by non-standin')
elif lm in ('g', 'dc') and sm != 'r':
if lm == 'dc':
f1, f2, fa, move, anc = largs
largs = (p2[f2].flags(), False)
# Case 2: largefile in the working copy, normal file in
# the second parent
usermsg = _('remote turned local largefile %s into a normal file\n'
'keep (l)argefile or use (n)ormal file?'
'$$ &Largefile $$ &Normal file') % lfile
if repo.ui.promptchoice(usermsg, 0) == 0: # keep local largefile
if branchmerge:
# largefile can be restored from standin safely
actions[lfile] = ('k', None, 'replaced by standin')
actions[standin] = ('k', None, 'replaces standin')
else:
# "lfile" should be marked as "removed" without
# removal of itself
actions[lfile] = ('lfmr', None,
'forget non-standin largefile')
# linear-merge should treat this largefile as 're-added'
actions[standin] = ('a', None, 'keep standin')
else: # pick remote normal file
actions[lfile] = ('g', largs, 'replaces standin')
actions[standin] = ('r', None, 'replaced by non-standin')
return actions, diverge, renamedelete
def mergerecordupdates(orig, repo, actions, branchmerge):
if 'lfmr' in actions:
lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
for lfile, args, msg in actions['lfmr']:
# this should be executed before 'orig', to execute 'remove'
# before all other actions
repo.dirstate.remove(lfile)
# make sure lfile doesn't get synclfdirstate'd as normal
lfdirstate.add(lfile)
lfdirstate.write()
return orig(repo, actions, branchmerge)
# Override filemerge to prompt the user about how they wish to merge
# largefiles. This will handle identical edits without prompting the user.
def overridefilemerge(origfn, premerge, repo, wctx, mynode, orig, fcd, fco, fca,
labels=None):
if not lfutil.isstandin(orig) or fcd.isabsent() or fco.isabsent():
return origfn(premerge, repo, wctx, mynode, orig, fcd, fco, fca,
labels=labels)
ahash = lfutil.readasstandin(fca).lower()
dhash = lfutil.readasstandin(fcd).lower()
ohash = lfutil.readasstandin(fco).lower()
if (ohash != ahash and
ohash != dhash and
(dhash == ahash or
repo.ui.promptchoice(
_('largefile %s has a merge conflict\nancestor was %s\n'
'keep (l)ocal %s or\ntake (o)ther %s?'
'$$ &Local $$ &Other') %
(lfutil.splitstandin(orig), ahash, dhash, ohash),
0) == 1)):
repo.wwrite(fcd.path(), fco.data(), fco.flags())
return True, 0, False
def copiespathcopies(orig, ctx1, ctx2, match=None):
copies = orig(ctx1, ctx2, match=match)
updated = {}
for k, v in copies.iteritems():
updated[lfutil.splitstandin(k) or k] = lfutil.splitstandin(v) or v
return updated
# Copy first changes the matchers to match standins instead of
# largefiles. Then it overrides util.copyfile in that function it
# checks if the destination largefile already exists. It also keeps a
# list of copied files so that the largefiles can be copied and the
# dirstate updated.
def overridecopy(orig, ui, repo, pats, opts, rename=False):
# doesn't remove largefile on rename
if len(pats) < 2:
# this isn't legal, let the original function deal with it
return orig(ui, repo, pats, opts, rename)
# This could copy both lfiles and normal files in one command,
# but we don't want to do that. First replace their matcher to
# only match normal files and run it, then replace it to just
# match largefiles and run it again.
nonormalfiles = False
nolfiles = False
installnormalfilesmatchfn(repo[None].manifest())
try:
result = orig(ui, repo, pats, opts, rename)
except error.Abort as e:
if str(e) != _('no files to copy'):
raise e
else:
nonormalfiles = True
result = 0
finally:
restorematchfn()
# The first rename can cause our current working directory to be removed.
# In that case there is nothing left to copy/rename so just quit.
try:
repo.getcwd()
except OSError:
return result
def makestandin(relpath):
path = pathutil.canonpath(repo.root, repo.getcwd(), relpath)
return repo.wvfs.join(lfutil.standin(path))
fullpats = scmutil.expandpats(pats)
dest = fullpats[-1]
if os.path.isdir(dest):
if not os.path.isdir(makestandin(dest)):
os.makedirs(makestandin(dest))
try:
# When we call orig below it creates the standins but we don't add
# them to the dir state until later so lock during that time.
wlock = repo.wlock()
manifest = repo[None].manifest()
def overridematch(ctx, pats=(), opts=None, globbed=False,
default='relpath', badfn=None):
if opts is None:
opts = {}
newpats = []
# The patterns were previously mangled to add the standin
# directory; we need to remove that now
for pat in pats:
if matchmod.patkind(pat) is None and lfutil.shortname in pat:
newpats.append(pat.replace(lfutil.shortname, ''))
else:
newpats.append(pat)
match = oldmatch(ctx, newpats, opts, globbed, default, badfn=badfn)
m = copy.copy(match)
lfile = lambda f: lfutil.standin(f) in manifest
m._files = [lfutil.standin(f) for f in m._files if lfile(f)]
m._fileset = set(m._files)
origmatchfn = m.matchfn
def matchfn(f):
lfile = lfutil.splitstandin(f)
return (lfile is not None and
(f in manifest) and
origmatchfn(lfile) or
None)
m.matchfn = matchfn
return m
oldmatch = installmatchfn(overridematch)
listpats = []
for pat in pats:
if matchmod.patkind(pat) is not None:
listpats.append(pat)
else:
listpats.append(makestandin(pat))
try:
origcopyfile = util.copyfile
copiedfiles = []
def overridecopyfile(src, dest):
if (lfutil.shortname in src and
dest.startswith(repo.wjoin(lfutil.shortname))):
destlfile = dest.replace(lfutil.shortname, '')
if not opts['force'] and os.path.exists(destlfile):
raise IOError('',
_('destination largefile already exists'))
copiedfiles.append((src, dest))
origcopyfile(src, dest)
util.copyfile = overridecopyfile
result += orig(ui, repo, listpats, opts, rename)
finally:
util.copyfile = origcopyfile
lfdirstate = lfutil.openlfdirstate(ui, repo)
for (src, dest) in copiedfiles:
if (lfutil.shortname in src and
dest.startswith(repo.wjoin(lfutil.shortname))):
srclfile = src.replace(repo.wjoin(lfutil.standin('')), '')
destlfile = dest.replace(repo.wjoin(lfutil.standin('')), '')
destlfiledir = repo.wvfs.dirname(repo.wjoin(destlfile)) or '.'
if not os.path.isdir(destlfiledir):
os.makedirs(destlfiledir)
if rename:
os.rename(repo.wjoin(srclfile), repo.wjoin(destlfile))
# The file is gone, but this deletes any empty parent
# directories as a side-effect.
repo.wvfs.unlinkpath(srclfile, ignoremissing=True)
lfdirstate.remove(srclfile)
else:
util.copyfile(repo.wjoin(srclfile),
repo.wjoin(destlfile))
lfdirstate.add(destlfile)
lfdirstate.write()
except error.Abort as e:
if str(e) != _('no files to copy'):
raise e
else:
nolfiles = True
finally:
restorematchfn()
wlock.release()
if nolfiles and nonormalfiles:
raise error.Abort(_('no files to copy'))
return result
# When the user calls revert, we have to be careful to not revert any
# changes to other largefiles accidentally. This means we have to keep
# track of the largefiles that are being reverted so we only pull down
# the necessary largefiles.
#
# Standins are only updated (to match the hash of largefiles) before
# commits. Update the standins then run the original revert, changing
# the matcher to hit standins instead of largefiles. Based on the
# resulting standins update the largefiles.
def overriderevert(orig, ui, repo, ctx, parents, *pats, **opts):
# Because we put the standins in a bad state (by updating them)
# and then return them to a correct state we need to lock to
# prevent others from changing them in their incorrect state.
with repo.wlock():
lfdirstate = lfutil.openlfdirstate(ui, repo)
s = lfutil.lfdirstatestatus(lfdirstate, repo)
lfdirstate.write()
for lfile in s.modified:
lfutil.updatestandin(repo, lfile, lfutil.standin(lfile))
for lfile in s.deleted:
fstandin = lfutil.standin(lfile)
if (repo.wvfs.exists(fstandin)):
repo.wvfs.unlink(fstandin)
oldstandins = lfutil.getstandinsstate(repo)
def overridematch(mctx, pats=(), opts=None, globbed=False,
default='relpath', badfn=None):
if opts is None:
opts = {}
match = oldmatch(mctx, pats, opts, globbed, default, badfn=badfn)
m = copy.copy(match)
# revert supports recursing into subrepos, and though largefiles
# currently doesn't work correctly in that case, this match is
# called, so the lfdirstate above may not be the correct one for
# this invocation of match.
lfdirstate = lfutil.openlfdirstate(mctx.repo().ui, mctx.repo(),
False)
wctx = repo[None]
matchfiles = []
for f in m._files:
standin = lfutil.standin(f)
if standin in ctx or standin in mctx:
matchfiles.append(standin)
elif standin in wctx or lfdirstate[f] == 'r':
continue
else:
matchfiles.append(f)
m._files = matchfiles
m._fileset = set(m._files)
origmatchfn = m.matchfn
def matchfn(f):
lfile = lfutil.splitstandin(f)
if lfile is not None:
return (origmatchfn(lfile) and
(f in ctx or f in mctx))
return origmatchfn(f)
m.matchfn = matchfn
return m
oldmatch = installmatchfn(overridematch)
try:
orig(ui, repo, ctx, parents, *pats, **opts)
finally:
restorematchfn()
newstandins = lfutil.getstandinsstate(repo)
filelist = lfutil.getlfilestoupdate(oldstandins, newstandins)
# lfdirstate should be 'normallookup'-ed for updated files,
# because reverting doesn't touch dirstate for 'normal' files
# when target revision is explicitly specified: in such case,
# 'n' and valid timestamp in dirstate doesn't ensure 'clean'
# of target (standin) file.
lfcommands.updatelfiles(ui, repo, filelist, printmessage=False,
normallookup=True)
# after pulling changesets, we need to take some extra care to get
# largefiles updated remotely
def overridepull(orig, ui, repo, source=None, **opts):
revsprepull = len(repo)
if not source:
source = 'default'
repo.lfpullsource = source
result = orig(ui, repo, source, **opts)
revspostpull = len(repo)
lfrevs = opts.get(r'lfrev', [])
if opts.get(r'all_largefiles'):
lfrevs.append('pulled()')
if lfrevs and revspostpull > revsprepull:
numcached = 0
repo.firstpulled = revsprepull # for pulled() revset expression
try:
for rev in scmutil.revrange(repo, lfrevs):
ui.note(_('pulling largefiles for revision %s\n') % rev)
(cached, missing) = lfcommands.cachelfiles(ui, repo, rev)
numcached += len(cached)
finally:
del repo.firstpulled
ui.status(_("%d largefiles cached\n") % numcached)
return result
def overridepush(orig, ui, repo, *args, **kwargs):
"""Override push command and store --lfrev parameters in opargs"""
lfrevs = kwargs.pop(r'lfrev', None)
if lfrevs:
opargs = kwargs.setdefault('opargs', {})
opargs['lfrevs'] = scmutil.revrange(repo, lfrevs)
return orig(ui, repo, *args, **kwargs)
def exchangepushoperation(orig, *args, **kwargs):
"""Override pushoperation constructor and store lfrevs parameter"""
lfrevs = kwargs.pop(r'lfrevs', None)
pushop = orig(*args, **kwargs)
pushop.lfrevs = lfrevs
return pushop
revsetpredicate = registrar.revsetpredicate()
@revsetpredicate('pulled()')
def pulledrevsetsymbol(repo, subset, x):
"""Changesets that just has been pulled.
Only available with largefiles from pull --lfrev expressions.
.. container:: verbose
Some examples:
- pull largefiles for all new changesets::
hg pull -lfrev "pulled()"
- pull largefiles for all new branch heads::
hg pull -lfrev "head(pulled()) and not closed()"
"""
try:
firstpulled = repo.firstpulled
except AttributeError:
raise error.Abort(_("pulled() only available in --lfrev"))
return smartset.baseset([r for r in subset if r >= firstpulled])
def overrideclone(orig, ui, source, dest=None, **opts):
d = dest
if d is None:
d = hg.defaultdest(source)
if opts.get(r'all_largefiles') and not hg.islocal(d):
raise error.Abort(_(
'--all-largefiles is incompatible with non-local destination %s') %
d)
return orig(ui, source, dest, **opts)
def hgclone(orig, ui, opts, *args, **kwargs):
result = orig(ui, opts, *args, **kwargs)
if result is not None:
sourcerepo, destrepo = result
repo = destrepo.local()
# When cloning to a remote repo (like through SSH), no repo is available
# from the peer. Therefore the largefiles can't be downloaded and the
# hgrc can't be updated.
if not repo:
return result
# If largefiles is required for this repo, permanently enable it locally
if 'largefiles' in repo.requirements:
repo.vfs.append('hgrc',
util.tonativeeol('\n[extensions]\nlargefiles=\n'))
# Caching is implicitly limited to 'rev' option, since the dest repo was
# truncated at that point. The user may expect a download count with
# this option, so attempt whether or not this is a largefile repo.
if opts.get(r'all_largefiles'):
success, missing = lfcommands.downloadlfiles(ui, repo, None)
if missing != 0:
return None
return result
def hgpostshare(orig, sourcerepo, destrepo, bookmarks=True, defaultpath=None):
orig(sourcerepo, destrepo, bookmarks, defaultpath)
# If largefiles is required for this repo, permanently enable it locally
if 'largefiles' in destrepo.requirements:
destrepo.vfs.append('hgrc',
util.tonativeeol('\n[extensions]\nlargefiles=\n'))
def overriderebase(orig, ui, repo, **opts):
if not util.safehasattr(repo, '_largefilesenabled'):
return orig(ui, repo, **opts)
resuming = opts.get(r'continue')
repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
repo._lfstatuswriters.append(lambda *msg, **opts: None)
try:
return orig(ui, repo, **opts)
finally:
repo._lfstatuswriters.pop()
repo._lfcommithooks.pop()
def overridearchivecmd(orig, ui, repo, dest, **opts):
repo.unfiltered().lfstatus = True
try:
return orig(ui, repo.unfiltered(), dest, **opts)
finally:
repo.unfiltered().lfstatus = False
def hgwebarchive(orig, web, req, tmpl):
web.repo.lfstatus = True
try:
return orig(web, req, tmpl)
finally:
web.repo.lfstatus = False
def overridearchive(orig, repo, dest, node, kind, decode=True, matchfn=None,
prefix='', mtime=None, subrepos=None):
# For some reason setting repo.lfstatus in hgwebarchive only changes the
# unfiltered repo's attr, so check that as well.
if not repo.lfstatus and not repo.unfiltered().lfstatus:
return orig(repo, dest, node, kind, decode, matchfn, prefix, mtime,
subrepos)
# No need to lock because we are only reading history and
# largefile caches, neither of which are modified.
if node is not None:
lfcommands.cachelfiles(repo.ui, repo, node)
if kind not in archival.archivers:
raise error.Abort(_("unknown archive type '%s'") % kind)
ctx = repo[node]
if kind == 'files':
if prefix:
raise error.Abort(
_('cannot give prefix when archiving to files'))
else:
prefix = archival.tidyprefix(dest, kind, prefix)
def write(name, mode, islink, getdata):
if matchfn and not matchfn(name):
return
data = getdata()
if decode:
data = repo.wwritedata(name, data)
archiver.addfile(prefix + name, mode, islink, data)
archiver = archival.archivers[kind](dest, mtime or ctx.date()[0])
if repo.ui.configbool("ui", "archivemeta"):
write('.hg_archival.txt', 0o644, False,
lambda: archival.buildmetadata(ctx))
for f in ctx:
ff = ctx.flags(f)
getdata = ctx[f].data
lfile = lfutil.splitstandin(f)
if lfile is not None:
if node is not None:
path = lfutil.findfile(repo, getdata().strip())
if path is None:
raise error.Abort(
_('largefile %s not found in repo store or system cache')
% lfile)
else:
path = lfile
f = lfile
getdata = lambda: util.readfile(path)
write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, getdata)
if subrepos:
for subpath in sorted(ctx.substate):
sub = ctx.workingsub(subpath)
submatch = matchmod.subdirmatcher(subpath, matchfn)
sub._repo.lfstatus = True
sub.archive(archiver, prefix, submatch)
archiver.done()
def hgsubrepoarchive(orig, repo, archiver, prefix, match=None, decode=True):
lfenabled = util.safehasattr(repo._repo, '_largefilesenabled')
if not lfenabled or not repo._repo.lfstatus:
return orig(repo, archiver, prefix, match, decode)
repo._get(repo._state + ('hg',))
rev = repo._state[1]
ctx = repo._repo[rev]
if ctx.node() is not None:
lfcommands.cachelfiles(repo.ui, repo._repo, ctx.node())
def write(name, mode, islink, getdata):
# At this point, the standin has been replaced with the largefile name,
# so the normal matcher works here without the lfutil variants.
if match and not match(f):
return
data = getdata()
if decode:
data = repo._repo.wwritedata(name, data)
archiver.addfile(prefix + repo._path + '/' + name, mode, islink, data)
for f in ctx:
ff = ctx.flags(f)
getdata = ctx[f].data
lfile = lfutil.splitstandin(f)
if lfile is not None:
if ctx.node() is not None:
path = lfutil.findfile(repo._repo, getdata().strip())
if path is None:
raise error.Abort(
_('largefile %s not found in repo store or system cache')
% lfile)
else:
path = lfile
f = lfile
getdata = lambda: util.readfile(os.path.join(prefix, path))
write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, getdata)
for subpath in sorted(ctx.substate):
sub = ctx.workingsub(subpath)
submatch = matchmod.subdirmatcher(subpath, match)
sub._repo.lfstatus = True
sub.archive(archiver, prefix + repo._path + '/', submatch, decode)
# If a largefile is modified, the change is not reflected in its
# standin until a commit. cmdutil.bailifchanged() raises an exception
# if the repo has uncommitted changes. Wrap it to also check if
# largefiles were changed. This is used by bisect, backout and fetch.
def overridebailifchanged(orig, repo, *args, **kwargs):
orig(repo, *args, **kwargs)
repo.lfstatus = True
s = repo.status()
repo.lfstatus = False
if s.modified or s.added or s.removed or s.deleted:
raise error.Abort(_('uncommitted changes'))
def postcommitstatus(orig, repo, *args, **kwargs):
repo.lfstatus = True
try:
return orig(repo, *args, **kwargs)
finally:
repo.lfstatus = False
def cmdutilforget(orig, ui, repo, match, prefix, explicitonly):
normalmatcher = composenormalfilematcher(match, repo[None].manifest())
bad, forgot = orig(ui, repo, normalmatcher, prefix, explicitonly)
m = composelargefilematcher(match, repo[None].manifest())
try:
repo.lfstatus = True
s = repo.status(match=m, clean=True)
finally:
repo.lfstatus = False
manifest = repo[None].manifest()
forget = sorted(s.modified + s.added + s.deleted + s.clean)
forget = [f for f in forget if lfutil.standin(f) in manifest]
for f in forget:
fstandin = lfutil.standin(f)
if fstandin not in repo.dirstate and not repo.wvfs.isdir(fstandin):
ui.warn(_('not removing %s: file is already untracked\n')
% m.rel(f))
bad.append(f)
for f in forget:
if ui.verbose or not m.exact(f):
ui.status(_('removing %s\n') % m.rel(f))
# Need to lock because standin files are deleted then removed from the
# repository and we could race in-between.
with repo.wlock():
lfdirstate = lfutil.openlfdirstate(ui, repo)
for f in forget:
if lfdirstate[f] == 'a':
lfdirstate.drop(f)
else:
lfdirstate.remove(f)
lfdirstate.write()
standins = [lfutil.standin(f) for f in forget]
for f in standins:
repo.wvfs.unlinkpath(f, ignoremissing=True)
rejected = repo[None].forget(standins)
bad.extend(f for f in rejected if f in m.files())
forgot.extend(f for f in forget if f not in rejected)
return bad, forgot
def _getoutgoings(repo, other, missing, addfunc):
"""get pairs of filename and largefile hash in outgoing revisions
in 'missing'.
largefiles already existing on 'other' repository are ignored.
'addfunc' is invoked with each unique pairs of filename and
largefile hash value.
"""
knowns = set()
lfhashes = set()
def dedup(fn, lfhash):
k = (fn, lfhash)
if k not in knowns:
knowns.add(k)
lfhashes.add(lfhash)
lfutil.getlfilestoupload(repo, missing, dedup)
if lfhashes:
lfexists = storefactory.openstore(repo, other).exists(lfhashes)
for fn, lfhash in knowns:
if not lfexists[lfhash]: # lfhash doesn't exist on "other"
addfunc(fn, lfhash)
def outgoinghook(ui, repo, other, opts, missing):
if opts.pop('large', None):
lfhashes = set()
if ui.debugflag:
toupload = {}
def addfunc(fn, lfhash):
if fn not in toupload:
toupload[fn] = []
toupload[fn].append(lfhash)
lfhashes.add(lfhash)
def showhashes(fn):
for lfhash in sorted(toupload[fn]):
ui.debug(' %s\n' % (lfhash))
else:
toupload = set()
def addfunc(fn, lfhash):
toupload.add(fn)
lfhashes.add(lfhash)
def showhashes(fn):
pass
_getoutgoings(repo, other, missing, addfunc)
if not toupload:
ui.status(_('largefiles: no files to upload\n'))
else:
ui.status(_('largefiles to upload (%d entities):\n')
% (len(lfhashes)))
for file in sorted(toupload):
ui.status(lfutil.splitstandin(file) + '\n')
showhashes(file)
ui.status('\n')
def summaryremotehook(ui, repo, opts, changes):
largeopt = opts.get('large', False)
if changes is None:
if largeopt:
return (False, True) # only outgoing check is needed
else:
return (False, False)
elif largeopt:
url, branch, peer, outgoing = changes[1]
if peer is None:
# i18n: column positioning for "hg summary"
ui.status(_('largefiles: (no remote repo)\n'))
return
toupload = set()
lfhashes = set()
def addfunc(fn, lfhash):
toupload.add(fn)
lfhashes.add(lfhash)
_getoutgoings(repo, peer, outgoing.missing, addfunc)
if not toupload:
# i18n: column positioning for "hg summary"
ui.status(_('largefiles: (no files to upload)\n'))
else:
# i18n: column positioning for "hg summary"
ui.status(_('largefiles: %d entities for %d files to upload\n')
% (len(lfhashes), len(toupload)))
def overridesummary(orig, ui, repo, *pats, **opts):
try:
repo.lfstatus = True
orig(ui, repo, *pats, **opts)
finally:
repo.lfstatus = False
def scmutiladdremove(orig, repo, matcher, prefix, opts=None, dry_run=None,
similarity=None):
if opts is None:
opts = {}
if not lfutil.islfilesrepo(repo):
return orig(repo, matcher, prefix, opts, dry_run, similarity)
# Get the list of missing largefiles so we can remove them
lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
unsure, s = lfdirstate.status(matchmod.always(repo.root, repo.getcwd()),
subrepos=[], ignored=False, clean=False,
unknown=False)
# Call into the normal remove code, but the removing of the standin, we want
# to have handled by original addremove. Monkey patching here makes sure
# we don't remove the standin in the largefiles code, preventing a very
# confused state later.
if s.deleted:
m = copy.copy(matcher)
# The m._files and m._map attributes are not changed to the deleted list
# because that affects the m.exact() test, which in turn governs whether
# or not the file name is printed, and how. Simply limit the original
# matches to those in the deleted status list.
matchfn = m.matchfn
m.matchfn = lambda f: f in s.deleted and matchfn(f)
removelargefiles(repo.ui, repo, True, m, **opts)
# Call into the normal add code, and any files that *should* be added as
# largefiles will be
added, bad = addlargefiles(repo.ui, repo, True, matcher, **opts)
# Now that we've handled largefiles, hand off to the original addremove
# function to take care of the rest. Make sure it doesn't do anything with
# largefiles by passing a matcher that will ignore them.
matcher = composenormalfilematcher(matcher, repo[None].manifest(), added)
return orig(repo, matcher, prefix, opts, dry_run, similarity)
# Calling purge with --all will cause the largefiles to be deleted.
# Override repo.status to prevent this from happening.
def overridepurge(orig, ui, repo, *dirs, **opts):
# XXX Monkey patching a repoview will not work. The assigned attribute will
# be set on the unfiltered repo, but we will only lookup attributes in the
# unfiltered repo if the lookup in the repoview object itself fails. As the
# monkey patched method exists on the repoview class the lookup will not
# fail. As a result, the original version will shadow the monkey patched
# one, defeating the monkey patch.
#
# As a work around we use an unfiltered repo here. We should do something
# cleaner instead.
repo = repo.unfiltered()
oldstatus = repo.status
def overridestatus(node1='.', node2=None, match=None, ignored=False,
clean=False, unknown=False, listsubrepos=False):
r = oldstatus(node1, node2, match, ignored, clean, unknown,
listsubrepos)
lfdirstate = lfutil.openlfdirstate(ui, repo)
unknown = [f for f in r.unknown if lfdirstate[f] == '?']
ignored = [f for f in r.ignored if lfdirstate[f] == '?']
return scmutil.status(r.modified, r.added, r.removed, r.deleted,
unknown, ignored, r.clean)
repo.status = overridestatus
orig(ui, repo, *dirs, **opts)
repo.status = oldstatus
def overriderollback(orig, ui, repo, **opts):
with repo.wlock():
before = repo.dirstate.parents()
orphans = set(f for f in repo.dirstate
if lfutil.isstandin(f) and repo.dirstate[f] != 'r')
result = orig(ui, repo, **opts)
after = repo.dirstate.parents()
if before == after:
return result # no need to restore standins
pctx = repo['.']
for f in repo.dirstate:
if lfutil.isstandin(f):
orphans.discard(f)
if repo.dirstate[f] == 'r':
repo.wvfs.unlinkpath(f, ignoremissing=True)
elif f in pctx:
fctx = pctx[f]
repo.wwrite(f, fctx.data(), fctx.flags())
else:
# content of standin is not so important in 'a',
# 'm' or 'n' (coming from the 2nd parent) cases
lfutil.writestandin(repo, f, '', False)
for standin in orphans:
repo.wvfs.unlinkpath(standin, ignoremissing=True)
lfdirstate = lfutil.openlfdirstate(ui, repo)
orphans = set(lfdirstate)
lfiles = lfutil.listlfiles(repo)
for file in lfiles:
lfutil.synclfdirstate(repo, lfdirstate, file, True)
orphans.discard(file)
for lfile in orphans:
lfdirstate.drop(lfile)
lfdirstate.write()
return result
def overridetransplant(orig, ui, repo, *revs, **opts):
resuming = opts.get(r'continue')
repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
repo._lfstatuswriters.append(lambda *msg, **opts: None)
try:
result = orig(ui, repo, *revs, **opts)
finally:
repo._lfstatuswriters.pop()
repo._lfcommithooks.pop()
return result
def overridecat(orig, ui, repo, file1, *pats, **opts):
opts = pycompat.byteskwargs(opts)
ctx = scmutil.revsingle(repo, opts.get('rev'))
err = 1
notbad = set()
m = scmutil.match(ctx, (file1,) + pats, opts)
origmatchfn = m.matchfn
def lfmatchfn(f):
if origmatchfn(f):
return True
lf = lfutil.splitstandin(f)
if lf is None:
return False
notbad.add(lf)
return origmatchfn(lf)
m.matchfn = lfmatchfn
origbadfn = m.bad
def lfbadfn(f, msg):
if not f in notbad:
origbadfn(f, msg)
m.bad = lfbadfn
origvisitdirfn = m.visitdir
def lfvisitdirfn(dir):
if dir == lfutil.shortname:
return True
ret = origvisitdirfn(dir)
if ret:
return ret
lf = lfutil.splitstandin(dir)
if lf is None:
return False
return origvisitdirfn(lf)
m.visitdir = lfvisitdirfn
for f in ctx.walk(m):
with cmdutil.makefileobj(repo, opts.get('output'), ctx.node(),
pathname=f) as fp:
lf = lfutil.splitstandin(f)
if lf is None or origmatchfn(f):
# duplicating unreachable code from commands.cat
data = ctx[f].data()
if opts.get('decode'):
data = repo.wwritedata(f, data)
fp.write(data)
else:
hash = lfutil.readasstandin(ctx[f])
if not lfutil.inusercache(repo.ui, hash):
store = storefactory.openstore(repo)
success, missing = store.get([(lf, hash)])
if len(success) != 1:
raise error.Abort(
_('largefile %s is not in cache and could not be '
'downloaded') % lf)
path = lfutil.usercachepath(repo.ui, hash)
with open(path, "rb") as fpin:
for chunk in util.filechunkiter(fpin):
fp.write(chunk)
err = 0
return err
def mergeupdate(orig, repo, node, branchmerge, force,
*args, **kwargs):
matcher = kwargs.get(r'matcher', None)
# note if this is a partial update
partial = matcher and not matcher.always()
with repo.wlock():
# branch | | |
# merge | force | partial | action
# -------+-------+---------+--------------
# x | x | x | linear-merge
# o | x | x | branch-merge
# x | o | x | overwrite (as clean update)
# o | o | x | force-branch-merge (*1)
# x | x | o | (*)
# o | x | o | (*)
# x | o | o | overwrite (as revert)
# o | o | o | (*)
#
# (*) don't care
# (*1) deprecated, but used internally (e.g: "rebase --collapse")
lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
unsure, s = lfdirstate.status(matchmod.always(repo.root,
repo.getcwd()),
subrepos=[], ignored=False,
clean=True, unknown=False)
oldclean = set(s.clean)
pctx = repo['.']
dctx = repo[node]
for lfile in unsure + s.modified:
lfileabs = repo.wvfs.join(lfile)
if not repo.wvfs.exists(lfileabs):
continue
lfhash = lfutil.hashfile(lfileabs)
standin = lfutil.standin(lfile)
lfutil.writestandin(repo, standin, lfhash,
lfutil.getexecutable(lfileabs))
if (standin in pctx and
lfhash == lfutil.readasstandin(pctx[standin])):
oldclean.add(lfile)
for lfile in s.added:
fstandin = lfutil.standin(lfile)
if fstandin not in dctx:
# in this case, content of standin file is meaningless
# (in dctx, lfile is unknown, or normal file)
continue
lfutil.updatestandin(repo, lfile, fstandin)
# mark all clean largefiles as dirty, just in case the update gets
# interrupted before largefiles and lfdirstate are synchronized
for lfile in oldclean:
lfdirstate.normallookup(lfile)
lfdirstate.write()
oldstandins = lfutil.getstandinsstate(repo)
# Make sure the merge runs on disk, not in-memory. largefiles is not a
# good candidate for in-memory merge (large files, custom dirstate,
# matcher usage).
kwargs[r'wc'] = repo[None]
result = orig(repo, node, branchmerge, force, *args, **kwargs)
newstandins = lfutil.getstandinsstate(repo)
filelist = lfutil.getlfilestoupdate(oldstandins, newstandins)
# to avoid leaving all largefiles as dirty and thus rehash them, mark
# all the ones that didn't change as clean
for lfile in oldclean.difference(filelist):
lfdirstate.normal(lfile)
lfdirstate.write()
if branchmerge or force or partial:
filelist.extend(s.deleted + s.removed)
lfcommands.updatelfiles(repo.ui, repo, filelist=filelist,
normallookup=partial)
return result
def scmutilmarktouched(orig, repo, files, *args, **kwargs):
result = orig(repo, files, *args, **kwargs)
filelist = []
for f in files:
lf = lfutil.splitstandin(f)
if lf is not None:
filelist.append(lf)
if filelist:
lfcommands.updatelfiles(repo.ui, repo, filelist=filelist,
printmessage=False, normallookup=True)
return result
def upgraderequirements(orig, repo):
reqs = orig(repo)
if 'largefiles' in repo.requirements:
reqs.add('largefiles')
return reqs
_lfscheme = 'largefile://'
def openlargefile(orig, ui, url_, data=None):
if url_.startswith(_lfscheme):
if data:
msg = "cannot use data on a 'largefile://' url"
raise error.ProgrammingError(msg)
lfid = url_[len(_lfscheme):]
return storefactory.getlfile(ui, lfid)
else:
return orig(ui, url_, data=data)
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