/usr/lib/python2.7/dist-packages/mercurial/cmdutil.py is in mercurial-common 3.7.3-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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#
# 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 node import hex, bin, nullid, nullrev, short
from i18n import _
import os, sys, errno, re, tempfile, cStringIO
import util, scmutil, templater, patch, error, templatekw, revlog, copies
import match as matchmod
import repair, graphmod, revset, phases, obsolete, pathutil
import changelog
import bookmarks
import encoding
import formatter
import crecord as crecordmod
import lock as lockmod
def ishunk(x):
hunkclasses = (crecordmod.uihunk, patch.recordhunk)
return isinstance(x, hunkclasses)
def newandmodified(chunks, originalchunks):
newlyaddedandmodifiedfiles = set()
for chunk in chunks:
if ishunk(chunk) and chunk.header.isnewfile() and chunk not in \
originalchunks:
newlyaddedandmodifiedfiles.add(chunk.header.filename())
return newlyaddedandmodifiedfiles
def parsealiases(cmd):
return cmd.lstrip("^").split("|")
def setupwrapcolorwrite(ui):
# wrap ui.write so diff output can be labeled/colorized
def wrapwrite(orig, *args, **kw):
label = kw.pop('label', '')
for chunk, l in patch.difflabel(lambda: args):
orig(chunk, label=label + l)
oldwrite = ui.write
def wrap(*args, **kwargs):
return wrapwrite(oldwrite, *args, **kwargs)
setattr(ui, 'write', wrap)
return oldwrite
def filterchunks(ui, originalhunks, usecurses, testfile, operation=None):
if usecurses:
if testfile:
recordfn = crecordmod.testdecorator(testfile,
crecordmod.testchunkselector)
else:
recordfn = crecordmod.chunkselector
return crecordmod.filterpatch(ui, originalhunks, recordfn, operation)
else:
return patch.filterpatch(ui, originalhunks, operation)
def recordfilter(ui, originalhunks, operation=None):
""" Prompts the user to filter the originalhunks and return a list of
selected hunks.
*operation* is used for ui purposes to indicate the user
what kind of filtering they are doing: reverting, committing, shelving, etc.
*operation* has to be a translated string.
"""
usecurses = crecordmod.checkcurses(ui)
testfile = ui.config('experimental', 'crecordtest', None)
oldwrite = setupwrapcolorwrite(ui)
try:
newchunks, newopts = filterchunks(ui, originalhunks, usecurses,
testfile, operation)
finally:
ui.write = oldwrite
return newchunks, newopts
def dorecord(ui, repo, commitfunc, cmdsuggest, backupall,
filterfn, *pats, **opts):
import merge as mergemod
if not ui.interactive():
if cmdsuggest:
msg = _('running non-interactively, use %s instead') % cmdsuggest
else:
msg = _('running non-interactively')
raise error.Abort(msg)
# make sure username is set before going interactive
if not opts.get('user'):
ui.username() # raise exception, username not provided
def recordfunc(ui, repo, message, match, opts):
"""This is generic record driver.
Its job is to interactively filter local changes, and
accordingly prepare working directory into a state in which the
job can be delegated to a non-interactive commit command such as
'commit' or 'qrefresh'.
After the actual job is done by non-interactive command, the
working directory is restored to its original state.
In the end we'll record interesting changes, and everything else
will be left in place, so the user can continue working.
"""
checkunfinished(repo, commit=True)
merge = len(repo[None].parents()) > 1
if merge:
raise error.Abort(_('cannot partially commit a merge '
'(use "hg commit" instead)'))
status = repo.status(match=match)
diffopts = patch.difffeatureopts(ui, opts=opts, whitespace=True)
diffopts.nodates = True
diffopts.git = True
diffopts.showfunc = True
originaldiff = patch.diff(repo, changes=status, opts=diffopts)
originalchunks = patch.parsepatch(originaldiff)
# 1. filter patch, so we have intending-to apply subset of it
try:
chunks, newopts = filterfn(ui, originalchunks)
except patch.PatchError as err:
raise error.Abort(_('error parsing patch: %s') % err)
opts.update(newopts)
# We need to keep a backup of files that have been newly added and
# modified during the recording process because there is a previous
# version without the edit in the workdir
newlyaddedandmodifiedfiles = newandmodified(chunks, originalchunks)
contenders = set()
for h in chunks:
try:
contenders.update(set(h.files()))
except AttributeError:
pass
changed = status.modified + status.added + status.removed
newfiles = [f for f in changed if f in contenders]
if not newfiles:
ui.status(_('no changes to record\n'))
return 0
modified = set(status.modified)
# 2. backup changed files, so we can restore them in the end
if backupall:
tobackup = changed
else:
tobackup = [f for f in newfiles if f in modified or f in \
newlyaddedandmodifiedfiles]
backups = {}
if tobackup:
backupdir = repo.join('record-backups')
try:
os.mkdir(backupdir)
except OSError as err:
if err.errno != errno.EEXIST:
raise
try:
# backup continues
for f in tobackup:
fd, tmpname = tempfile.mkstemp(prefix=f.replace('/', '_')+'.',
dir=backupdir)
os.close(fd)
ui.debug('backup %r as %r\n' % (f, tmpname))
util.copyfile(repo.wjoin(f), tmpname, copystat=True)
backups[f] = tmpname
fp = cStringIO.StringIO()
for c in chunks:
fname = c.filename()
if fname in backups:
c.write(fp)
dopatch = fp.tell()
fp.seek(0)
[os.unlink(repo.wjoin(c)) for c in newlyaddedandmodifiedfiles]
# 3a. apply filtered patch to clean repo (clean)
if backups:
# Equivalent to hg.revert
m = scmutil.matchfiles(repo, backups.keys())
mergemod.update(repo, repo.dirstate.p1(),
False, True, matcher=m)
# 3b. (apply)
if dopatch:
try:
ui.debug('applying patch\n')
ui.debug(fp.getvalue())
patch.internalpatch(ui, repo, fp, 1, eolmode=None)
except patch.PatchError as err:
raise error.Abort(str(err))
del fp
# 4. We prepared working directory according to filtered
# patch. Now is the time to delegate the job to
# commit/qrefresh or the like!
# Make all of the pathnames absolute.
newfiles = [repo.wjoin(nf) for nf in newfiles]
return commitfunc(ui, repo, *newfiles, **opts)
finally:
# 5. finally restore backed-up files
try:
dirstate = repo.dirstate
for realname, tmpname in backups.iteritems():
ui.debug('restoring %r to %r\n' % (tmpname, realname))
if dirstate[realname] == 'n':
# without normallookup, restoring timestamp
# may cause partially committed files
# to be treated as unmodified
dirstate.normallookup(realname)
# copystat=True here and above are a hack to trick any
# editors that have f open that we haven't modified them.
#
# Also note that this racy as an editor could notice the
# file's mtime before we've finished writing it.
util.copyfile(tmpname, repo.wjoin(realname), copystat=True)
os.unlink(tmpname)
if tobackup:
os.rmdir(backupdir)
except OSError:
pass
def recordinwlock(ui, repo, message, match, opts):
with repo.wlock():
return recordfunc(ui, repo, message, match, opts)
return commit(ui, repo, recordinwlock, pats, opts)
def findpossible(cmd, table, strict=False):
"""
Return cmd -> (aliases, command table entry)
for each matching command.
Return debug commands (or their aliases) only if no normal command matches.
"""
choice = {}
debugchoice = {}
if cmd in table:
# short-circuit exact matches, "log" alias beats "^log|history"
keys = [cmd]
else:
keys = table.keys()
allcmds = []
for e in keys:
aliases = parsealiases(e)
allcmds.extend(aliases)
found = None
if cmd in aliases:
found = cmd
elif not strict:
for a in aliases:
if a.startswith(cmd):
found = a
break
if found is not None:
if aliases[0].startswith("debug") or found.startswith("debug"):
debugchoice[found] = (aliases, table[e])
else:
choice[found] = (aliases, table[e])
if not choice and debugchoice:
choice = debugchoice
return choice, allcmds
def findcmd(cmd, table, strict=True):
"""Return (aliases, command table entry) for command string."""
choice, allcmds = findpossible(cmd, table, strict)
if cmd in choice:
return choice[cmd]
if len(choice) > 1:
clist = choice.keys()
clist.sort()
raise error.AmbiguousCommand(cmd, clist)
if choice:
return choice.values()[0]
raise error.UnknownCommand(cmd, allcmds)
def findrepo(p):
while not os.path.isdir(os.path.join(p, ".hg")):
oldp, p = p, os.path.dirname(p)
if p == oldp:
return None
return p
def bailifchanged(repo, merge=True):
if merge and repo.dirstate.p2() != nullid:
raise error.Abort(_('outstanding uncommitted merge'))
modified, added, removed, deleted = repo.status()[:4]
if modified or added or removed or deleted:
raise error.Abort(_('uncommitted changes'))
ctx = repo[None]
for s in sorted(ctx.substate):
ctx.sub(s).bailifchanged()
def logmessage(ui, opts):
""" get the log message according to -m and -l option """
message = opts.get('message')
logfile = opts.get('logfile')
if message and logfile:
raise error.Abort(_('options --message and --logfile are mutually '
'exclusive'))
if not message and logfile:
try:
if logfile == '-':
message = ui.fin.read()
else:
message = '\n'.join(util.readfile(logfile).splitlines())
except IOError as inst:
raise error.Abort(_("can't read commit message '%s': %s") %
(logfile, inst.strerror))
return message
def mergeeditform(ctxorbool, baseformname):
"""return appropriate editform name (referencing a committemplate)
'ctxorbool' is either a ctx to be committed, or a bool indicating whether
merging is committed.
This returns baseformname with '.merge' appended if it is a merge,
otherwise '.normal' is appended.
"""
if isinstance(ctxorbool, bool):
if ctxorbool:
return baseformname + ".merge"
elif 1 < len(ctxorbool.parents()):
return baseformname + ".merge"
return baseformname + ".normal"
def getcommiteditor(edit=False, finishdesc=None, extramsg=None,
editform='', **opts):
"""get appropriate commit message editor according to '--edit' option
'finishdesc' is a function to be called with edited commit message
(= 'description' of the new changeset) just after editing, but
before checking empty-ness. It should return actual text to be
stored into history. This allows to change description before
storing.
'extramsg' is a extra message to be shown in the editor instead of
'Leave message empty to abort commit' line. 'HG: ' prefix and EOL
is automatically added.
'editform' is a dot-separated list of names, to distinguish
the purpose of commit text editing.
'getcommiteditor' returns 'commitforceeditor' regardless of
'edit', if one of 'finishdesc' or 'extramsg' is specified, because
they are specific for usage in MQ.
"""
if edit or finishdesc or extramsg:
return lambda r, c, s: commitforceeditor(r, c, s,
finishdesc=finishdesc,
extramsg=extramsg,
editform=editform)
elif editform:
return lambda r, c, s: commiteditor(r, c, s, editform=editform)
else:
return commiteditor
def loglimit(opts):
"""get the log limit according to option -l/--limit"""
limit = opts.get('limit')
if limit:
try:
limit = int(limit)
except ValueError:
raise error.Abort(_('limit must be a positive integer'))
if limit <= 0:
raise error.Abort(_('limit must be positive'))
else:
limit = None
return limit
def makefilename(repo, pat, node, desc=None,
total=None, seqno=None, revwidth=None, pathname=None):
node_expander = {
'H': lambda: hex(node),
'R': lambda: str(repo.changelog.rev(node)),
'h': lambda: short(node),
'm': lambda: re.sub('[^\w]', '_', str(desc))
}
expander = {
'%': lambda: '%',
'b': lambda: os.path.basename(repo.root),
}
try:
if node:
expander.update(node_expander)
if node:
expander['r'] = (lambda:
str(repo.changelog.rev(node)).zfill(revwidth or 0))
if total is not None:
expander['N'] = lambda: str(total)
if seqno is not None:
expander['n'] = lambda: str(seqno)
if total is not None and seqno is not None:
expander['n'] = lambda: str(seqno).zfill(len(str(total)))
if pathname is not None:
expander['s'] = lambda: os.path.basename(pathname)
expander['d'] = lambda: os.path.dirname(pathname) or '.'
expander['p'] = lambda: pathname
newname = []
patlen = len(pat)
i = 0
while i < patlen:
c = pat[i]
if c == '%':
i += 1
c = pat[i]
c = expander[c]()
newname.append(c)
i += 1
return ''.join(newname)
except KeyError as inst:
raise error.Abort(_("invalid format spec '%%%s' in output filename") %
inst.args[0])
class _unclosablefile(object):
def __init__(self, fp):
self._fp = fp
def close(self):
pass
def __iter__(self):
return iter(self._fp)
def __getattr__(self, attr):
return getattr(self._fp, attr)
def makefileobj(repo, pat, node=None, desc=None, total=None,
seqno=None, revwidth=None, mode='wb', modemap=None,
pathname=None):
writable = mode not in ('r', 'rb')
if not pat or pat == '-':
if writable:
fp = repo.ui.fout
else:
fp = repo.ui.fin
return _unclosablefile(fp)
if util.safehasattr(pat, 'write') and writable:
return pat
if util.safehasattr(pat, 'read') and 'r' in mode:
return pat
fn = makefilename(repo, pat, node, desc, total, seqno, revwidth, pathname)
if modemap is not None:
mode = modemap.get(fn, mode)
if mode == 'wb':
modemap[fn] = 'ab'
return open(fn, mode)
def openrevlog(repo, cmd, file_, opts):
"""opens the changelog, manifest, a filelog or a given revlog"""
cl = opts['changelog']
mf = opts['manifest']
dir = opts['dir']
msg = None
if cl and mf:
msg = _('cannot specify --changelog and --manifest at the same time')
elif cl and dir:
msg = _('cannot specify --changelog and --dir at the same time')
elif cl or mf:
if file_:
msg = _('cannot specify filename with --changelog or --manifest')
elif not repo:
msg = _('cannot specify --changelog or --manifest or --dir '
'without a repository')
if msg:
raise error.Abort(msg)
r = None
if repo:
if cl:
r = repo.unfiltered().changelog
elif dir:
if 'treemanifest' not in repo.requirements:
raise error.Abort(_("--dir can only be used on repos with "
"treemanifest enabled"))
dirlog = repo.dirlog(file_)
if len(dirlog):
r = dirlog
elif mf:
r = repo.manifest
elif file_:
filelog = repo.file(file_)
if len(filelog):
r = filelog
if not r:
if not file_:
raise error.CommandError(cmd, _('invalid arguments'))
if not os.path.isfile(file_):
raise error.Abort(_("revlog '%s' not found") % file_)
r = revlog.revlog(scmutil.opener(os.getcwd(), audit=False),
file_[:-2] + ".i")
return r
def copy(ui, repo, pats, opts, rename=False):
# called with the repo lock held
#
# hgsep => pathname that uses "/" to separate directories
# ossep => pathname that uses os.sep to separate directories
cwd = repo.getcwd()
targets = {}
after = opts.get("after")
dryrun = opts.get("dry_run")
wctx = repo[None]
def walkpat(pat):
srcs = []
if after:
badstates = '?'
else:
badstates = '?r'
m = scmutil.match(repo[None], [pat], opts, globbed=True)
for abs in repo.walk(m):
state = repo.dirstate[abs]
rel = m.rel(abs)
exact = m.exact(abs)
if state in badstates:
if exact and state == '?':
ui.warn(_('%s: not copying - file is not managed\n') % rel)
if exact and state == 'r':
ui.warn(_('%s: not copying - file has been marked for'
' remove\n') % rel)
continue
# abs: hgsep
# rel: ossep
srcs.append((abs, rel, exact))
return srcs
# abssrc: hgsep
# relsrc: ossep
# otarget: ossep
def copyfile(abssrc, relsrc, otarget, exact):
abstarget = pathutil.canonpath(repo.root, cwd, otarget)
if '/' in abstarget:
# We cannot normalize abstarget itself, this would prevent
# case only renames, like a => A.
abspath, absname = abstarget.rsplit('/', 1)
abstarget = repo.dirstate.normalize(abspath) + '/' + absname
reltarget = repo.pathto(abstarget, cwd)
target = repo.wjoin(abstarget)
src = repo.wjoin(abssrc)
state = repo.dirstate[abstarget]
scmutil.checkportable(ui, abstarget)
# check for collisions
prevsrc = targets.get(abstarget)
if prevsrc is not None:
ui.warn(_('%s: not overwriting - %s collides with %s\n') %
(reltarget, repo.pathto(abssrc, cwd),
repo.pathto(prevsrc, cwd)))
return
# check for overwrites
exists = os.path.lexists(target)
samefile = False
if exists and abssrc != abstarget:
if (repo.dirstate.normalize(abssrc) ==
repo.dirstate.normalize(abstarget)):
if not rename:
ui.warn(_("%s: can't copy - same file\n") % reltarget)
return
exists = False
samefile = True
if not after and exists or after and state in 'mn':
if not opts['force']:
ui.warn(_('%s: not overwriting - file exists\n') %
reltarget)
return
if after:
if not exists:
if rename:
ui.warn(_('%s: not recording move - %s does not exist\n') %
(relsrc, reltarget))
else:
ui.warn(_('%s: not recording copy - %s does not exist\n') %
(relsrc, reltarget))
return
elif not dryrun:
try:
if exists:
os.unlink(target)
targetdir = os.path.dirname(target) or '.'
if not os.path.isdir(targetdir):
os.makedirs(targetdir)
if samefile:
tmp = target + "~hgrename"
os.rename(src, tmp)
os.rename(tmp, target)
else:
util.copyfile(src, target)
srcexists = True
except IOError as inst:
if inst.errno == errno.ENOENT:
ui.warn(_('%s: deleted in working directory\n') % relsrc)
srcexists = False
else:
ui.warn(_('%s: cannot copy - %s\n') %
(relsrc, inst.strerror))
return True # report a failure
if ui.verbose or not exact:
if rename:
ui.status(_('moving %s to %s\n') % (relsrc, reltarget))
else:
ui.status(_('copying %s to %s\n') % (relsrc, reltarget))
targets[abstarget] = abssrc
# fix up dirstate
scmutil.dirstatecopy(ui, repo, wctx, abssrc, abstarget,
dryrun=dryrun, cwd=cwd)
if rename and not dryrun:
if not after and srcexists and not samefile:
util.unlinkpath(repo.wjoin(abssrc))
wctx.forget([abssrc])
# pat: ossep
# dest ossep
# srcs: list of (hgsep, hgsep, ossep, bool)
# return: function that takes hgsep and returns ossep
def targetpathfn(pat, dest, srcs):
if os.path.isdir(pat):
abspfx = pathutil.canonpath(repo.root, cwd, pat)
abspfx = util.localpath(abspfx)
if destdirexists:
striplen = len(os.path.split(abspfx)[0])
else:
striplen = len(abspfx)
if striplen:
striplen += len(os.sep)
res = lambda p: os.path.join(dest, util.localpath(p)[striplen:])
elif destdirexists:
res = lambda p: os.path.join(dest,
os.path.basename(util.localpath(p)))
else:
res = lambda p: dest
return res
# pat: ossep
# dest ossep
# srcs: list of (hgsep, hgsep, ossep, bool)
# return: function that takes hgsep and returns ossep
def targetpathafterfn(pat, dest, srcs):
if matchmod.patkind(pat):
# a mercurial pattern
res = lambda p: os.path.join(dest,
os.path.basename(util.localpath(p)))
else:
abspfx = pathutil.canonpath(repo.root, cwd, pat)
if len(abspfx) < len(srcs[0][0]):
# A directory. Either the target path contains the last
# component of the source path or it does not.
def evalpath(striplen):
score = 0
for s in srcs:
t = os.path.join(dest, util.localpath(s[0])[striplen:])
if os.path.lexists(t):
score += 1
return score
abspfx = util.localpath(abspfx)
striplen = len(abspfx)
if striplen:
striplen += len(os.sep)
if os.path.isdir(os.path.join(dest, os.path.split(abspfx)[1])):
score = evalpath(striplen)
striplen1 = len(os.path.split(abspfx)[0])
if striplen1:
striplen1 += len(os.sep)
if evalpath(striplen1) > score:
striplen = striplen1
res = lambda p: os.path.join(dest,
util.localpath(p)[striplen:])
else:
# a file
if destdirexists:
res = lambda p: os.path.join(dest,
os.path.basename(util.localpath(p)))
else:
res = lambda p: dest
return res
pats = scmutil.expandpats(pats)
if not pats:
raise error.Abort(_('no source or destination specified'))
if len(pats) == 1:
raise error.Abort(_('no destination specified'))
dest = pats.pop()
destdirexists = os.path.isdir(dest) and not os.path.islink(dest)
if not destdirexists:
if len(pats) > 1 or matchmod.patkind(pats[0]):
raise error.Abort(_('with multiple sources, destination must be an '
'existing directory'))
if util.endswithsep(dest):
raise error.Abort(_('destination %s is not a directory') % dest)
tfn = targetpathfn
if after:
tfn = targetpathafterfn
copylist = []
for pat in pats:
srcs = walkpat(pat)
if not srcs:
continue
copylist.append((tfn(pat, dest, srcs), srcs))
if not copylist:
raise error.Abort(_('no files to copy'))
errors = 0
for targetpath, srcs in copylist:
for abssrc, relsrc, exact in srcs:
if copyfile(abssrc, relsrc, targetpath(abssrc), exact):
errors += 1
if errors:
ui.warn(_('(consider using --after)\n'))
return errors != 0
def service(opts, parentfn=None, initfn=None, runfn=None, logfile=None,
runargs=None, appendpid=False):
'''Run a command as a service.'''
def writepid(pid):
if opts['pid_file']:
if appendpid:
mode = 'a'
else:
mode = 'w'
fp = open(opts['pid_file'], mode)
fp.write(str(pid) + '\n')
fp.close()
if opts['daemon'] and not opts['daemon_pipefds']:
# Signal child process startup with file removal
lockfd, lockpath = tempfile.mkstemp(prefix='hg-service-')
os.close(lockfd)
try:
if not runargs:
runargs = util.hgcmd() + sys.argv[1:]
runargs.append('--daemon-pipefds=%s' % lockpath)
# Don't pass --cwd to the child process, because we've already
# changed directory.
for i in xrange(1, len(runargs)):
if runargs[i].startswith('--cwd='):
del runargs[i]
break
elif runargs[i].startswith('--cwd'):
del runargs[i:i + 2]
break
def condfn():
return not os.path.exists(lockpath)
pid = util.rundetached(runargs, condfn)
if pid < 0:
raise error.Abort(_('child process failed to start'))
writepid(pid)
finally:
try:
os.unlink(lockpath)
except OSError as e:
if e.errno != errno.ENOENT:
raise
if parentfn:
return parentfn(pid)
else:
return
if initfn:
initfn()
if not opts['daemon']:
writepid(os.getpid())
if opts['daemon_pipefds']:
lockpath = opts['daemon_pipefds']
try:
os.setsid()
except AttributeError:
pass
os.unlink(lockpath)
util.hidewindow()
sys.stdout.flush()
sys.stderr.flush()
nullfd = os.open(os.devnull, os.O_RDWR)
logfilefd = nullfd
if logfile:
logfilefd = os.open(logfile, os.O_RDWR | os.O_CREAT | os.O_APPEND)
os.dup2(nullfd, 0)
os.dup2(logfilefd, 1)
os.dup2(logfilefd, 2)
if nullfd not in (0, 1, 2):
os.close(nullfd)
if logfile and logfilefd not in (0, 1, 2):
os.close(logfilefd)
if runfn:
return runfn()
## facility to let extension process additional data into an import patch
# list of identifier to be executed in order
extrapreimport = [] # run before commit
extrapostimport = [] # run after commit
# mapping from identifier to actual import function
#
# 'preimport' are run before the commit is made and are provided the following
# arguments:
# - repo: the localrepository instance,
# - patchdata: data extracted from patch header (cf m.patch.patchheadermap),
# - extra: the future extra dictionary of the changeset, please mutate it,
# - opts: the import options.
# XXX ideally, we would just pass an ctx ready to be computed, that would allow
# mutation of in memory commit and more. Feel free to rework the code to get
# there.
extrapreimportmap = {}
# 'postimport' are run after the commit is made and are provided the following
# argument:
# - ctx: the changectx created by import.
extrapostimportmap = {}
def tryimportone(ui, repo, hunk, parents, opts, msgs, updatefunc):
"""Utility function used by commands.import to import a single patch
This function is explicitly defined here to help the evolve extension to
wrap this part of the import logic.
The API is currently a bit ugly because it a simple code translation from
the import command. Feel free to make it better.
:hunk: a patch (as a binary string)
:parents: nodes that will be parent of the created commit
:opts: the full dict of option passed to the import command
:msgs: list to save commit message to.
(used in case we need to save it when failing)
:updatefunc: a function that update a repo to a given node
updatefunc(<repo>, <node>)
"""
# avoid cycle context -> subrepo -> cmdutil
import context
extractdata = patch.extract(ui, hunk)
tmpname = extractdata.get('filename')
message = extractdata.get('message')
user = opts.get('user') or extractdata.get('user')
date = opts.get('date') or extractdata.get('date')
branch = extractdata.get('branch')
nodeid = extractdata.get('nodeid')
p1 = extractdata.get('p1')
p2 = extractdata.get('p2')
nocommit = opts.get('no_commit')
importbranch = opts.get('import_branch')
update = not opts.get('bypass')
strip = opts["strip"]
prefix = opts["prefix"]
sim = float(opts.get('similarity') or 0)
if not tmpname:
return (None, None, False)
rejects = False
try:
cmdline_message = logmessage(ui, opts)
if cmdline_message:
# pickup the cmdline msg
message = cmdline_message
elif message:
# pickup the patch msg
message = message.strip()
else:
# launch the editor
message = None
ui.debug('message:\n%s\n' % message)
if len(parents) == 1:
parents.append(repo[nullid])
if opts.get('exact'):
if not nodeid or not p1:
raise error.Abort(_('not a Mercurial patch'))
p1 = repo[p1]
p2 = repo[p2 or nullid]
elif p2:
try:
p1 = repo[p1]
p2 = repo[p2]
# Without any options, consider p2 only if the
# patch is being applied on top of the recorded
# first parent.
if p1 != parents[0]:
p1 = parents[0]
p2 = repo[nullid]
except error.RepoError:
p1, p2 = parents
if p2.node() == nullid:
ui.warn(_("warning: import the patch as a normal revision\n"
"(use --exact to import the patch as a merge)\n"))
else:
p1, p2 = parents
n = None
if update:
if p1 != parents[0]:
updatefunc(repo, p1.node())
if p2 != parents[1]:
repo.setparents(p1.node(), p2.node())
if opts.get('exact') or importbranch:
repo.dirstate.setbranch(branch or 'default')
partial = opts.get('partial', False)
files = set()
try:
patch.patch(ui, repo, tmpname, strip=strip, prefix=prefix,
files=files, eolmode=None, similarity=sim / 100.0)
except patch.PatchError as e:
if not partial:
raise error.Abort(str(e))
if partial:
rejects = True
files = list(files)
if nocommit:
if message:
msgs.append(message)
else:
if opts.get('exact') or p2:
# If you got here, you either use --force and know what
# you are doing or used --exact or a merge patch while
# being updated to its first parent.
m = None
else:
m = scmutil.matchfiles(repo, files or [])
editform = mergeeditform(repo[None], 'import.normal')
if opts.get('exact'):
editor = None
else:
editor = getcommiteditor(editform=editform, **opts)
allowemptyback = repo.ui.backupconfig('ui', 'allowemptycommit')
extra = {}
for idfunc in extrapreimport:
extrapreimportmap[idfunc](repo, extractdata, extra, opts)
try:
if partial:
repo.ui.setconfig('ui', 'allowemptycommit', True)
n = repo.commit(message, user,
date, match=m,
editor=editor, extra=extra)
for idfunc in extrapostimport:
extrapostimportmap[idfunc](repo[n])
finally:
repo.ui.restoreconfig(allowemptyback)
else:
if opts.get('exact') or importbranch:
branch = branch or 'default'
else:
branch = p1.branch()
store = patch.filestore()
try:
files = set()
try:
patch.patchrepo(ui, repo, p1, store, tmpname, strip, prefix,
files, eolmode=None)
except patch.PatchError as e:
raise error.Abort(str(e))
if opts.get('exact'):
editor = None
else:
editor = getcommiteditor(editform='import.bypass')
memctx = context.makememctx(repo, (p1.node(), p2.node()),
message,
user,
date,
branch, files, store,
editor=editor)
n = memctx.commit()
finally:
store.close()
if opts.get('exact') and nocommit:
# --exact with --no-commit is still useful in that it does merge
# and branch bits
ui.warn(_("warning: can't check exact import with --no-commit\n"))
elif opts.get('exact') and hex(n) != nodeid:
raise error.Abort(_('patch is damaged or loses information'))
msg = _('applied to working directory')
if n:
# i18n: refers to a short changeset id
msg = _('created %s') % short(n)
return (msg, n, rejects)
finally:
os.unlink(tmpname)
# facility to let extensions include additional data in an exported patch
# list of identifiers to be executed in order
extraexport = []
# mapping from identifier to actual export function
# function as to return a string to be added to the header or None
# it is given two arguments (sequencenumber, changectx)
extraexportmap = {}
def export(repo, revs, template='hg-%h.patch', fp=None, switch_parent=False,
opts=None, match=None):
'''export changesets as hg patches.'''
total = len(revs)
revwidth = max([len(str(rev)) for rev in revs])
filemode = {}
def single(rev, seqno, fp):
ctx = repo[rev]
node = ctx.node()
parents = [p.node() for p in ctx.parents() if p]
branch = ctx.branch()
if switch_parent:
parents.reverse()
if parents:
prev = parents[0]
else:
prev = nullid
shouldclose = False
if not fp and len(template) > 0:
desc_lines = ctx.description().rstrip().split('\n')
desc = desc_lines[0] #Commit always has a first line.
fp = makefileobj(repo, template, node, desc=desc, total=total,
seqno=seqno, revwidth=revwidth, mode='wb',
modemap=filemode)
shouldclose = True
if fp and not getattr(fp, 'name', '<unnamed>').startswith('<'):
repo.ui.note("%s\n" % fp.name)
if not fp:
write = repo.ui.write
else:
def write(s, **kw):
fp.write(s)
write("# HG changeset patch\n")
write("# User %s\n" % ctx.user())
write("# Date %d %d\n" % ctx.date())
write("# %s\n" % util.datestr(ctx.date()))
if branch and branch != 'default':
write("# Branch %s\n" % branch)
write("# Node ID %s\n" % hex(node))
write("# Parent %s\n" % hex(prev))
if len(parents) > 1:
write("# Parent %s\n" % hex(parents[1]))
for headerid in extraexport:
header = extraexportmap[headerid](seqno, ctx)
if header is not None:
write('# %s\n' % header)
write(ctx.description().rstrip())
write("\n\n")
for chunk, label in patch.diffui(repo, prev, node, match, opts=opts):
write(chunk, label=label)
if shouldclose:
fp.close()
for seqno, rev in enumerate(revs):
single(rev, seqno + 1, fp)
def diffordiffstat(ui, repo, diffopts, node1, node2, match,
changes=None, stat=False, fp=None, prefix='',
root='', listsubrepos=False):
'''show diff or diffstat.'''
if fp is None:
write = ui.write
else:
def write(s, **kw):
fp.write(s)
if root:
relroot = pathutil.canonpath(repo.root, repo.getcwd(), root)
else:
relroot = ''
if relroot != '':
# XXX relative roots currently don't work if the root is within a
# subrepo
uirelroot = match.uipath(relroot)
relroot += '/'
for matchroot in match.files():
if not matchroot.startswith(relroot):
ui.warn(_('warning: %s not inside relative root %s\n') % (
match.uipath(matchroot), uirelroot))
if stat:
diffopts = diffopts.copy(context=0)
width = 80
if not ui.plain():
width = ui.termwidth()
chunks = patch.diff(repo, node1, node2, match, changes, diffopts,
prefix=prefix, relroot=relroot)
for chunk, label in patch.diffstatui(util.iterlines(chunks),
width=width,
git=diffopts.git):
write(chunk, label=label)
else:
for chunk, label in patch.diffui(repo, node1, node2, match,
changes, diffopts, prefix=prefix,
relroot=relroot):
write(chunk, label=label)
if listsubrepos:
ctx1 = repo[node1]
ctx2 = repo[node2]
for subpath, sub in scmutil.itersubrepos(ctx1, ctx2):
tempnode2 = node2
try:
if node2 is not None:
tempnode2 = ctx2.substate[subpath][1]
except KeyError:
# A subrepo that existed in node1 was deleted between node1 and
# node2 (inclusive). Thus, ctx2's substate won't contain that
# subpath. The best we can do is to ignore it.
tempnode2 = None
submatch = matchmod.narrowmatcher(subpath, match)
sub.diff(ui, diffopts, tempnode2, submatch, changes=changes,
stat=stat, fp=fp, prefix=prefix)
class changeset_printer(object):
'''show changeset information when templating not requested.'''
def __init__(self, ui, repo, matchfn, diffopts, buffered):
self.ui = ui
self.repo = repo
self.buffered = buffered
self.matchfn = matchfn
self.diffopts = diffopts
self.header = {}
self.hunk = {}
self.lastheader = None
self.footer = None
def flush(self, ctx):
rev = ctx.rev()
if rev in self.header:
h = self.header[rev]
if h != self.lastheader:
self.lastheader = h
self.ui.write(h)
del self.header[rev]
if rev in self.hunk:
self.ui.write(self.hunk[rev])
del self.hunk[rev]
return 1
return 0
def close(self):
if self.footer:
self.ui.write(self.footer)
def show(self, ctx, copies=None, matchfn=None, **props):
if self.buffered:
self.ui.pushbuffer(labeled=True)
self._show(ctx, copies, matchfn, props)
self.hunk[ctx.rev()] = self.ui.popbuffer()
else:
self._show(ctx, copies, matchfn, props)
def _show(self, ctx, copies, matchfn, props):
'''show a single changeset or file revision'''
changenode = ctx.node()
rev = ctx.rev()
if self.ui.debugflag:
hexfunc = hex
else:
hexfunc = short
# as of now, wctx.node() and wctx.rev() return None, but we want to
# show the same values as {node} and {rev} templatekw
revnode = (scmutil.intrev(rev), hexfunc(bin(ctx.hex())))
if self.ui.quiet:
self.ui.write("%d:%s\n" % revnode, label='log.node')
return
date = util.datestr(ctx.date())
# i18n: column positioning for "hg log"
self.ui.write(_("changeset: %d:%s\n") % revnode,
label='log.changeset changeset.%s' % ctx.phasestr())
# branches are shown first before any other names due to backwards
# compatibility
branch = ctx.branch()
# don't show the default branch name
if branch != 'default':
# i18n: column positioning for "hg log"
self.ui.write(_("branch: %s\n") % branch,
label='log.branch')
for name, ns in self.repo.names.iteritems():
# branches has special logic already handled above, so here we just
# skip it
if name == 'branches':
continue
# we will use the templatename as the color name since those two
# should be the same
for name in ns.names(self.repo, changenode):
self.ui.write(ns.logfmt % name,
label='log.%s' % ns.colorname)
if self.ui.debugflag:
# i18n: column positioning for "hg log"
self.ui.write(_("phase: %s\n") % ctx.phasestr(),
label='log.phase')
for pctx in scmutil.meaningfulparents(self.repo, ctx):
label = 'log.parent changeset.%s' % pctx.phasestr()
# i18n: column positioning for "hg log"
self.ui.write(_("parent: %d:%s\n")
% (pctx.rev(), hexfunc(pctx.node())),
label=label)
if self.ui.debugflag and rev is not None:
mnode = ctx.manifestnode()
# i18n: column positioning for "hg log"
self.ui.write(_("manifest: %d:%s\n") %
(self.repo.manifest.rev(mnode), hex(mnode)),
label='ui.debug log.manifest')
# i18n: column positioning for "hg log"
self.ui.write(_("user: %s\n") % ctx.user(),
label='log.user')
# i18n: column positioning for "hg log"
self.ui.write(_("date: %s\n") % date,
label='log.date')
if self.ui.debugflag:
files = ctx.p1().status(ctx)[:3]
for key, value in zip([# i18n: column positioning for "hg log"
_("files:"),
# i18n: column positioning for "hg log"
_("files+:"),
# i18n: column positioning for "hg log"
_("files-:")], files):
if value:
self.ui.write("%-12s %s\n" % (key, " ".join(value)),
label='ui.debug log.files')
elif ctx.files() and self.ui.verbose:
# i18n: column positioning for "hg log"
self.ui.write(_("files: %s\n") % " ".join(ctx.files()),
label='ui.note log.files')
if copies and self.ui.verbose:
copies = ['%s (%s)' % c for c in copies]
# i18n: column positioning for "hg log"
self.ui.write(_("copies: %s\n") % ' '.join(copies),
label='ui.note log.copies')
extra = ctx.extra()
if extra and self.ui.debugflag:
for key, value in sorted(extra.items()):
# i18n: column positioning for "hg log"
self.ui.write(_("extra: %s=%s\n")
% (key, value.encode('string_escape')),
label='ui.debug log.extra')
description = ctx.description().strip()
if description:
if self.ui.verbose:
self.ui.write(_("description:\n"),
label='ui.note log.description')
self.ui.write(description,
label='ui.note log.description')
self.ui.write("\n\n")
else:
# i18n: column positioning for "hg log"
self.ui.write(_("summary: %s\n") %
description.splitlines()[0],
label='log.summary')
self.ui.write("\n")
self.showpatch(ctx, matchfn)
def showpatch(self, ctx, matchfn):
if not matchfn:
matchfn = self.matchfn
if matchfn:
stat = self.diffopts.get('stat')
diff = self.diffopts.get('patch')
diffopts = patch.diffallopts(self.ui, self.diffopts)
node = ctx.node()
prev = ctx.p1().node()
if stat:
diffordiffstat(self.ui, self.repo, diffopts, prev, node,
match=matchfn, stat=True)
if diff:
if stat:
self.ui.write("\n")
diffordiffstat(self.ui, self.repo, diffopts, prev, node,
match=matchfn, stat=False)
self.ui.write("\n")
class jsonchangeset(changeset_printer):
'''format changeset information.'''
def __init__(self, ui, repo, matchfn, diffopts, buffered):
changeset_printer.__init__(self, ui, repo, matchfn, diffopts, buffered)
self.cache = {}
self._first = True
def close(self):
if not self._first:
self.ui.write("\n]\n")
else:
self.ui.write("[]\n")
def _show(self, ctx, copies, matchfn, props):
'''show a single changeset or file revision'''
rev = ctx.rev()
if rev is None:
jrev = jnode = 'null'
else:
jrev = str(rev)
jnode = '"%s"' % hex(ctx.node())
j = encoding.jsonescape
if self._first:
self.ui.write("[\n {")
self._first = False
else:
self.ui.write(",\n {")
if self.ui.quiet:
self.ui.write('\n "rev": %s' % jrev)
self.ui.write(',\n "node": %s' % jnode)
self.ui.write('\n }')
return
self.ui.write('\n "rev": %s' % jrev)
self.ui.write(',\n "node": %s' % jnode)
self.ui.write(',\n "branch": "%s"' % j(ctx.branch()))
self.ui.write(',\n "phase": "%s"' % ctx.phasestr())
self.ui.write(',\n "user": "%s"' % j(ctx.user()))
self.ui.write(',\n "date": [%d, %d]' % ctx.date())
self.ui.write(',\n "desc": "%s"' % j(ctx.description()))
self.ui.write(',\n "bookmarks": [%s]' %
", ".join('"%s"' % j(b) for b in ctx.bookmarks()))
self.ui.write(',\n "tags": [%s]' %
", ".join('"%s"' % j(t) for t in ctx.tags()))
self.ui.write(',\n "parents": [%s]' %
", ".join('"%s"' % c.hex() for c in ctx.parents()))
if self.ui.debugflag:
if rev is None:
jmanifestnode = 'null'
else:
jmanifestnode = '"%s"' % hex(ctx.manifestnode())
self.ui.write(',\n "manifest": %s' % jmanifestnode)
self.ui.write(',\n "extra": {%s}' %
", ".join('"%s": "%s"' % (j(k), j(v))
for k, v in ctx.extra().items()))
files = ctx.p1().status(ctx)
self.ui.write(',\n "modified": [%s]' %
", ".join('"%s"' % j(f) for f in files[0]))
self.ui.write(',\n "added": [%s]' %
", ".join('"%s"' % j(f) for f in files[1]))
self.ui.write(',\n "removed": [%s]' %
", ".join('"%s"' % j(f) for f in files[2]))
elif self.ui.verbose:
self.ui.write(',\n "files": [%s]' %
", ".join('"%s"' % j(f) for f in ctx.files()))
if copies:
self.ui.write(',\n "copies": {%s}' %
", ".join('"%s": "%s"' % (j(k), j(v))
for k, v in copies))
matchfn = self.matchfn
if matchfn:
stat = self.diffopts.get('stat')
diff = self.diffopts.get('patch')
diffopts = patch.difffeatureopts(self.ui, self.diffopts, git=True)
node, prev = ctx.node(), ctx.p1().node()
if stat:
self.ui.pushbuffer()
diffordiffstat(self.ui, self.repo, diffopts, prev, node,
match=matchfn, stat=True)
self.ui.write(',\n "diffstat": "%s"' % j(self.ui.popbuffer()))
if diff:
self.ui.pushbuffer()
diffordiffstat(self.ui, self.repo, diffopts, prev, node,
match=matchfn, stat=False)
self.ui.write(',\n "diff": "%s"' % j(self.ui.popbuffer()))
self.ui.write("\n }")
class changeset_templater(changeset_printer):
'''format changeset information.'''
def __init__(self, ui, repo, matchfn, diffopts, tmpl, mapfile, buffered):
changeset_printer.__init__(self, ui, repo, matchfn, diffopts, buffered)
formatnode = ui.debugflag and (lambda x: x) or (lambda x: x[:12])
defaulttempl = {
'parent': '{rev}:{node|formatnode} ',
'manifest': '{rev}:{node|formatnode}',
'file_copy': '{name} ({source})',
'extra': '{key}={value|stringescape}'
}
# filecopy is preserved for compatibility reasons
defaulttempl['filecopy'] = defaulttempl['file_copy']
self.t = templater.templater(mapfile, {'formatnode': formatnode},
cache=defaulttempl)
if tmpl:
self.t.cache['changeset'] = tmpl
self.cache = {}
# find correct templates for current mode
tmplmodes = [
(True, None),
(self.ui.verbose, 'verbose'),
(self.ui.quiet, 'quiet'),
(self.ui.debugflag, 'debug'),
]
self._parts = {'header': '', 'footer': '', 'changeset': 'changeset',
'docheader': '', 'docfooter': ''}
for mode, postfix in tmplmodes:
for t in self._parts:
cur = t
if postfix:
cur += "_" + postfix
if mode and cur in self.t:
self._parts[t] = cur
if self._parts['docheader']:
self.ui.write(templater.stringify(self.t(self._parts['docheader'])))
def close(self):
if self._parts['docfooter']:
if not self.footer:
self.footer = ""
self.footer += templater.stringify(self.t(self._parts['docfooter']))
return super(changeset_templater, self).close()
def _show(self, ctx, copies, matchfn, props):
'''show a single changeset or file revision'''
props = props.copy()
props.update(templatekw.keywords)
props['templ'] = self.t
props['ctx'] = ctx
props['repo'] = self.repo
props['revcache'] = {'copies': copies}
props['cache'] = self.cache
try:
# write header
if self._parts['header']:
h = templater.stringify(self.t(self._parts['header'], **props))
if self.buffered:
self.header[ctx.rev()] = h
else:
if self.lastheader != h:
self.lastheader = h
self.ui.write(h)
# write changeset metadata, then patch if requested
key = self._parts['changeset']
self.ui.write(templater.stringify(self.t(key, **props)))
self.showpatch(ctx, matchfn)
if self._parts['footer']:
if not self.footer:
self.footer = templater.stringify(
self.t(self._parts['footer'], **props))
except KeyError as inst:
msg = _("%s: no key named '%s'")
raise error.Abort(msg % (self.t.mapfile, inst.args[0]))
except SyntaxError as inst:
raise error.Abort('%s: %s' % (self.t.mapfile, inst.args[0]))
def gettemplate(ui, tmpl, style):
"""
Find the template matching the given template spec or style.
"""
# ui settings
if not tmpl and not style: # template are stronger than style
tmpl = ui.config('ui', 'logtemplate')
if tmpl:
try:
tmpl = templater.unquotestring(tmpl)
except SyntaxError:
pass
return tmpl, None
else:
style = util.expandpath(ui.config('ui', 'style', ''))
if not tmpl and style:
mapfile = style
if not os.path.split(mapfile)[0]:
mapname = (templater.templatepath('map-cmdline.' + mapfile)
or templater.templatepath(mapfile))
if mapname:
mapfile = mapname
return None, mapfile
if not tmpl:
return None, None
return formatter.lookuptemplate(ui, 'changeset', tmpl)
def show_changeset(ui, repo, opts, buffered=False):
"""show one changeset using template or regular display.
Display format will be the first non-empty hit of:
1. option 'template'
2. option 'style'
3. [ui] setting 'logtemplate'
4. [ui] setting 'style'
If all of these values are either the unset or the empty string,
regular display via changeset_printer() is done.
"""
# options
matchfn = None
if opts.get('patch') or opts.get('stat'):
matchfn = scmutil.matchall(repo)
if opts.get('template') == 'json':
return jsonchangeset(ui, repo, matchfn, opts, buffered)
tmpl, mapfile = gettemplate(ui, opts.get('template'), opts.get('style'))
if not tmpl and not mapfile:
return changeset_printer(ui, repo, matchfn, opts, buffered)
try:
t = changeset_templater(ui, repo, matchfn, opts, tmpl, mapfile,
buffered)
except SyntaxError as inst:
raise error.Abort(inst.args[0])
return t
def showmarker(ui, marker):
"""utility function to display obsolescence marker in a readable way
To be used by debug function."""
ui.write(hex(marker.precnode()))
for repl in marker.succnodes():
ui.write(' ')
ui.write(hex(repl))
ui.write(' %X ' % marker.flags())
parents = marker.parentnodes()
if parents is not None:
ui.write('{%s} ' % ', '.join(hex(p) for p in parents))
ui.write('(%s) ' % util.datestr(marker.date()))
ui.write('{%s}' % (', '.join('%r: %r' % t for t in
sorted(marker.metadata().items())
if t[0] != 'date')))
ui.write('\n')
def finddate(ui, repo, date):
"""Find the tipmost changeset that matches the given date spec"""
df = util.matchdate(date)
m = scmutil.matchall(repo)
results = {}
def prep(ctx, fns):
d = ctx.date()
if df(d[0]):
results[ctx.rev()] = d
for ctx in walkchangerevs(repo, m, {'rev': None}, prep):
rev = ctx.rev()
if rev in results:
ui.status(_("found revision %s from %s\n") %
(rev, util.datestr(results[rev])))
return str(rev)
raise error.Abort(_("revision matching date not found"))
def increasingwindows(windowsize=8, sizelimit=512):
while True:
yield windowsize
if windowsize < sizelimit:
windowsize *= 2
class FileWalkError(Exception):
pass
def walkfilerevs(repo, match, follow, revs, fncache):
'''Walks the file history for the matched files.
Returns the changeset revs that are involved in the file history.
Throws FileWalkError if the file history can't be walked using
filelogs alone.
'''
wanted = set()
copies = []
minrev, maxrev = min(revs), max(revs)
def filerevgen(filelog, last):
"""
Only files, no patterns. Check the history of each file.
Examines filelog entries within minrev, maxrev linkrev range
Returns an iterator yielding (linkrev, parentlinkrevs, copied)
tuples in backwards order
"""
cl_count = len(repo)
revs = []
for j in xrange(0, last + 1):
linkrev = filelog.linkrev(j)
if linkrev < minrev:
continue
# only yield rev for which we have the changelog, it can
# happen while doing "hg log" during a pull or commit
if linkrev >= cl_count:
break
parentlinkrevs = []
for p in filelog.parentrevs(j):
if p != nullrev:
parentlinkrevs.append(filelog.linkrev(p))
n = filelog.node(j)
revs.append((linkrev, parentlinkrevs,
follow and filelog.renamed(n)))
return reversed(revs)
def iterfiles():
pctx = repo['.']
for filename in match.files():
if follow:
if filename not in pctx:
raise error.Abort(_('cannot follow file not in parent '
'revision: "%s"') % filename)
yield filename, pctx[filename].filenode()
else:
yield filename, None
for filename_node in copies:
yield filename_node
for file_, node in iterfiles():
filelog = repo.file(file_)
if not len(filelog):
if node is None:
# A zero count may be a directory or deleted file, so
# try to find matching entries on the slow path.
if follow:
raise error.Abort(
_('cannot follow nonexistent file: "%s"') % file_)
raise FileWalkError("Cannot walk via filelog")
else:
continue
if node is None:
last = len(filelog) - 1
else:
last = filelog.rev(node)
# keep track of all ancestors of the file
ancestors = set([filelog.linkrev(last)])
# iterate from latest to oldest revision
for rev, flparentlinkrevs, copied in filerevgen(filelog, last):
if not follow:
if rev > maxrev:
continue
else:
# Note that last might not be the first interesting
# rev to us:
# if the file has been changed after maxrev, we'll
# have linkrev(last) > maxrev, and we still need
# to explore the file graph
if rev not in ancestors:
continue
# XXX insert 1327 fix here
if flparentlinkrevs:
ancestors.update(flparentlinkrevs)
fncache.setdefault(rev, []).append(file_)
wanted.add(rev)
if copied:
copies.append(copied)
return wanted
class _followfilter(object):
def __init__(self, repo, onlyfirst=False):
self.repo = repo
self.startrev = nullrev
self.roots = set()
self.onlyfirst = onlyfirst
def match(self, rev):
def realparents(rev):
if self.onlyfirst:
return self.repo.changelog.parentrevs(rev)[0:1]
else:
return filter(lambda x: x != nullrev,
self.repo.changelog.parentrevs(rev))
if self.startrev == nullrev:
self.startrev = rev
return True
if rev > self.startrev:
# forward: all descendants
if not self.roots:
self.roots.add(self.startrev)
for parent in realparents(rev):
if parent in self.roots:
self.roots.add(rev)
return True
else:
# backwards: all parents
if not self.roots:
self.roots.update(realparents(self.startrev))
if rev in self.roots:
self.roots.remove(rev)
self.roots.update(realparents(rev))
return True
return False
def walkchangerevs(repo, match, opts, prepare):
'''Iterate over files and the revs in which they changed.
Callers most commonly need to iterate backwards over the history
in which they are interested. Doing so has awful (quadratic-looking)
performance, so we use iterators in a "windowed" way.
We walk a window of revisions in the desired order. Within the
window, we first walk forwards to gather data, then in the desired
order (usually backwards) to display it.
This function returns an iterator yielding contexts. Before
yielding each context, the iterator will first call the prepare
function on each context in the window in forward order.'''
follow = opts.get('follow') or opts.get('follow_first')
revs = _logrevs(repo, opts)
if not revs:
return []
wanted = set()
slowpath = match.anypats() or ((match.isexact() or match.prefix()) and
opts.get('removed'))
fncache = {}
change = repo.changectx
# First step is to fill wanted, the set of revisions that we want to yield.
# When it does not induce extra cost, we also fill fncache for revisions in
# wanted: a cache of filenames that were changed (ctx.files()) and that
# match the file filtering conditions.
if match.always():
# No files, no patterns. Display all revs.
wanted = revs
elif not slowpath:
# We only have to read through the filelog to find wanted revisions
try:
wanted = walkfilerevs(repo, match, follow, revs, fncache)
except FileWalkError:
slowpath = True
# We decided to fall back to the slowpath because at least one
# of the paths was not a file. Check to see if at least one of them
# existed in history, otherwise simply return
for path in match.files():
if path == '.' or path in repo.store:
break
else:
return []
if slowpath:
# We have to read the changelog to match filenames against
# changed files
if follow:
raise error.Abort(_('can only follow copies/renames for explicit '
'filenames'))
# The slow path checks files modified in every changeset.
# This is really slow on large repos, so compute the set lazily.
class lazywantedset(object):
def __init__(self):
self.set = set()
self.revs = set(revs)
# No need to worry about locality here because it will be accessed
# in the same order as the increasing window below.
def __contains__(self, value):
if value in self.set:
return True
elif not value in self.revs:
return False
else:
self.revs.discard(value)
ctx = change(value)
matches = filter(match, ctx.files())
if matches:
fncache[value] = matches
self.set.add(value)
return True
return False
def discard(self, value):
self.revs.discard(value)
self.set.discard(value)
wanted = lazywantedset()
# it might be worthwhile to do this in the iterator if the rev range
# is descending and the prune args are all within that range
for rev in opts.get('prune', ()):
rev = repo[rev].rev()
ff = _followfilter(repo)
stop = min(revs[0], revs[-1])
for x in xrange(rev, stop - 1, -1):
if ff.match(x):
wanted = wanted - [x]
# Now that wanted is correctly initialized, we can iterate over the
# revision range, yielding only revisions in wanted.
def iterate():
if follow and match.always():
ff = _followfilter(repo, onlyfirst=opts.get('follow_first'))
def want(rev):
return ff.match(rev) and rev in wanted
else:
def want(rev):
return rev in wanted
it = iter(revs)
stopiteration = False
for windowsize in increasingwindows():
nrevs = []
for i in xrange(windowsize):
rev = next(it, None)
if rev is None:
stopiteration = True
break
elif want(rev):
nrevs.append(rev)
for rev in sorted(nrevs):
fns = fncache.get(rev)
ctx = change(rev)
if not fns:
def fns_generator():
for f in ctx.files():
if match(f):
yield f
fns = fns_generator()
prepare(ctx, fns)
for rev in nrevs:
yield change(rev)
if stopiteration:
break
return iterate()
def _makefollowlogfilematcher(repo, files, followfirst):
# When displaying a revision with --patch --follow FILE, we have
# to know which file of the revision must be diffed. With
# --follow, we want the names of the ancestors of FILE in the
# revision, stored in "fcache". "fcache" is populated by
# reproducing the graph traversal already done by --follow revset
# and relating linkrevs to file names (which is not "correct" but
# good enough).
fcache = {}
fcacheready = [False]
pctx = repo['.']
def populate():
for fn in files:
for i in ((pctx[fn],), pctx[fn].ancestors(followfirst=followfirst)):
for c in i:
fcache.setdefault(c.linkrev(), set()).add(c.path())
def filematcher(rev):
if not fcacheready[0]:
# Lazy initialization
fcacheready[0] = True
populate()
return scmutil.matchfiles(repo, fcache.get(rev, []))
return filematcher
def _makenofollowlogfilematcher(repo, pats, opts):
'''hook for extensions to override the filematcher for non-follow cases'''
return None
def _makelogrevset(repo, pats, opts, revs):
"""Return (expr, filematcher) where expr is a revset string built
from log options and file patterns or None. If --stat or --patch
are not passed filematcher is None. Otherwise it is a callable
taking a revision number and returning a match objects filtering
the files to be detailed when displaying the revision.
"""
opt2revset = {
'no_merges': ('not merge()', None),
'only_merges': ('merge()', None),
'_ancestors': ('ancestors(%(val)s)', None),
'_fancestors': ('_firstancestors(%(val)s)', None),
'_descendants': ('descendants(%(val)s)', None),
'_fdescendants': ('_firstdescendants(%(val)s)', None),
'_matchfiles': ('_matchfiles(%(val)s)', None),
'date': ('date(%(val)r)', None),
'branch': ('branch(%(val)r)', ' or '),
'_patslog': ('filelog(%(val)r)', ' or '),
'_patsfollow': ('follow(%(val)r)', ' or '),
'_patsfollowfirst': ('_followfirst(%(val)r)', ' or '),
'keyword': ('keyword(%(val)r)', ' or '),
'prune': ('not (%(val)r or ancestors(%(val)r))', ' and '),
'user': ('user(%(val)r)', ' or '),
}
opts = dict(opts)
# follow or not follow?
follow = opts.get('follow') or opts.get('follow_first')
if opts.get('follow_first'):
followfirst = 1
else:
followfirst = 0
# --follow with FILE behavior depends on revs...
it = iter(revs)
startrev = it.next()
followdescendants = startrev < next(it, startrev)
# branch and only_branch are really aliases and must be handled at
# the same time
opts['branch'] = opts.get('branch', []) + opts.get('only_branch', [])
opts['branch'] = [repo.lookupbranch(b) for b in opts['branch']]
# pats/include/exclude are passed to match.match() directly in
# _matchfiles() revset but walkchangerevs() builds its matcher with
# scmutil.match(). The difference is input pats are globbed on
# platforms without shell expansion (windows).
wctx = repo[None]
match, pats = scmutil.matchandpats(wctx, pats, opts)
slowpath = match.anypats() or ((match.isexact() or match.prefix()) and
opts.get('removed'))
if not slowpath:
for f in match.files():
if follow and f not in wctx:
# If the file exists, it may be a directory, so let it
# take the slow path.
if os.path.exists(repo.wjoin(f)):
slowpath = True
continue
else:
raise error.Abort(_('cannot follow file not in parent '
'revision: "%s"') % f)
filelog = repo.file(f)
if not filelog:
# A zero count may be a directory or deleted file, so
# try to find matching entries on the slow path.
if follow:
raise error.Abort(
_('cannot follow nonexistent file: "%s"') % f)
slowpath = True
# We decided to fall back to the slowpath because at least one
# of the paths was not a file. Check to see if at least one of them
# existed in history - in that case, we'll continue down the
# slowpath; otherwise, we can turn off the slowpath
if slowpath:
for path in match.files():
if path == '.' or path in repo.store:
break
else:
slowpath = False
fpats = ('_patsfollow', '_patsfollowfirst')
fnopats = (('_ancestors', '_fancestors'),
('_descendants', '_fdescendants'))
if slowpath:
# See walkchangerevs() slow path.
#
# pats/include/exclude cannot be represented as separate
# revset expressions as their filtering logic applies at file
# level. For instance "-I a -X a" matches a revision touching
# "a" and "b" while "file(a) and not file(b)" does
# not. Besides, filesets are evaluated against the working
# directory.
matchargs = ['r:', 'd:relpath']
for p in pats:
matchargs.append('p:' + p)
for p in opts.get('include', []):
matchargs.append('i:' + p)
for p in opts.get('exclude', []):
matchargs.append('x:' + p)
matchargs = ','.join(('%r' % p) for p in matchargs)
opts['_matchfiles'] = matchargs
if follow:
opts[fnopats[0][followfirst]] = '.'
else:
if follow:
if pats:
# follow() revset interprets its file argument as a
# manifest entry, so use match.files(), not pats.
opts[fpats[followfirst]] = list(match.files())
else:
op = fnopats[followdescendants][followfirst]
opts[op] = 'rev(%d)' % startrev
else:
opts['_patslog'] = list(pats)
filematcher = None
if opts.get('patch') or opts.get('stat'):
# When following files, track renames via a special matcher.
# If we're forced to take the slowpath it means we're following
# at least one pattern/directory, so don't bother with rename tracking.
if follow and not match.always() and not slowpath:
# _makefollowlogfilematcher expects its files argument to be
# relative to the repo root, so use match.files(), not pats.
filematcher = _makefollowlogfilematcher(repo, match.files(),
followfirst)
else:
filematcher = _makenofollowlogfilematcher(repo, pats, opts)
if filematcher is None:
filematcher = lambda rev: match
expr = []
for op, val in sorted(opts.iteritems()):
if not val:
continue
if op not in opt2revset:
continue
revop, andor = opt2revset[op]
if '%(val)' not in revop:
expr.append(revop)
else:
if not isinstance(val, list):
e = revop % {'val': val}
else:
e = '(' + andor.join((revop % {'val': v}) for v in val) + ')'
expr.append(e)
if expr:
expr = '(' + ' and '.join(expr) + ')'
else:
expr = None
return expr, filematcher
def _logrevs(repo, opts):
# Default --rev value depends on --follow but --follow behavior
# depends on revisions resolved from --rev...
follow = opts.get('follow') or opts.get('follow_first')
if opts.get('rev'):
revs = scmutil.revrange(repo, opts['rev'])
elif follow and repo.dirstate.p1() == nullid:
revs = revset.baseset()
elif follow:
revs = repo.revs('reverse(:.)')
else:
revs = revset.spanset(repo)
revs.reverse()
return revs
def getgraphlogrevs(repo, pats, opts):
"""Return (revs, expr, filematcher) where revs is an iterable of
revision numbers, expr is a revset string built from log options
and file patterns or None, and used to filter 'revs'. If --stat or
--patch are not passed filematcher is None. Otherwise it is a
callable taking a revision number and returning a match objects
filtering the files to be detailed when displaying the revision.
"""
limit = loglimit(opts)
revs = _logrevs(repo, opts)
if not revs:
return revset.baseset(), None, None
expr, filematcher = _makelogrevset(repo, pats, opts, revs)
if opts.get('rev'):
# User-specified revs might be unsorted, but don't sort before
# _makelogrevset because it might depend on the order of revs
revs.sort(reverse=True)
if expr:
# Revset matchers often operate faster on revisions in changelog
# order, because most filters deal with the changelog.
revs.reverse()
matcher = revset.match(repo.ui, expr)
# Revset matches can reorder revisions. "A or B" typically returns
# returns the revision matching A then the revision matching B. Sort
# again to fix that.
revs = matcher(repo, revs)
revs.sort(reverse=True)
if limit is not None:
limitedrevs = []
for idx, rev in enumerate(revs):
if idx >= limit:
break
limitedrevs.append(rev)
revs = revset.baseset(limitedrevs)
return revs, expr, filematcher
def getlogrevs(repo, pats, opts):
"""Return (revs, expr, filematcher) where revs is an iterable of
revision numbers, expr is a revset string built from log options
and file patterns or None, and used to filter 'revs'. If --stat or
--patch are not passed filematcher is None. Otherwise it is a
callable taking a revision number and returning a match objects
filtering the files to be detailed when displaying the revision.
"""
limit = loglimit(opts)
revs = _logrevs(repo, opts)
if not revs:
return revset.baseset([]), None, None
expr, filematcher = _makelogrevset(repo, pats, opts, revs)
if expr:
# Revset matchers often operate faster on revisions in changelog
# order, because most filters deal with the changelog.
if not opts.get('rev'):
revs.reverse()
matcher = revset.match(repo.ui, expr)
# Revset matches can reorder revisions. "A or B" typically returns
# returns the revision matching A then the revision matching B. Sort
# again to fix that.
fixopts = ['branch', 'only_branch', 'keyword', 'user']
oldrevs = revs
revs = matcher(repo, revs)
if not opts.get('rev'):
revs.sort(reverse=True)
elif len(pats) > 1 or any(len(opts.get(op, [])) > 1 for op in fixopts):
# XXX "A or B" is known to change the order; fix it by filtering
# matched set again (issue5100)
revs = oldrevs & revs
if limit is not None:
limitedrevs = []
for idx, r in enumerate(revs):
if limit <= idx:
break
limitedrevs.append(r)
revs = revset.baseset(limitedrevs)
return revs, expr, filematcher
def _graphnodeformatter(ui, displayer):
spec = ui.config('ui', 'graphnodetemplate')
if not spec:
return templatekw.showgraphnode # fast path for "{graphnode}"
templ = formatter.gettemplater(ui, 'graphnode', spec)
cache = {}
if isinstance(displayer, changeset_templater):
cache = displayer.cache # reuse cache of slow templates
props = templatekw.keywords.copy()
props['templ'] = templ
props['cache'] = cache
def formatnode(repo, ctx):
props['ctx'] = ctx
props['repo'] = repo
props['revcache'] = {}
return templater.stringify(templ('graphnode', **props))
return formatnode
def displaygraph(ui, repo, dag, displayer, edgefn, getrenamed=None,
filematcher=None):
formatnode = _graphnodeformatter(ui, displayer)
seen, state = [], graphmod.asciistate()
for rev, type, ctx, parents in dag:
char = formatnode(repo, ctx)
copies = None
if getrenamed and ctx.rev():
copies = []
for fn in ctx.files():
rename = getrenamed(fn, ctx.rev())
if rename:
copies.append((fn, rename[0]))
revmatchfn = None
if filematcher is not None:
revmatchfn = filematcher(ctx.rev())
displayer.show(ctx, copies=copies, matchfn=revmatchfn)
lines = displayer.hunk.pop(rev).split('\n')
if not lines[-1]:
del lines[-1]
displayer.flush(ctx)
edges = edgefn(type, char, lines, seen, rev, parents)
for type, char, lines, coldata in edges:
graphmod.ascii(ui, state, type, char, lines, coldata)
displayer.close()
def graphlog(ui, repo, *pats, **opts):
# Parameters are identical to log command ones
revs, expr, filematcher = getgraphlogrevs(repo, pats, opts)
revdag = graphmod.dagwalker(repo, revs)
getrenamed = None
if opts.get('copies'):
endrev = None
if opts.get('rev'):
endrev = scmutil.revrange(repo, opts.get('rev')).max() + 1
getrenamed = templatekw.getrenamedfn(repo, endrev=endrev)
displayer = show_changeset(ui, repo, opts, buffered=True)
displaygraph(ui, repo, revdag, displayer, graphmod.asciiedges, getrenamed,
filematcher)
def checkunsupportedgraphflags(pats, opts):
for op in ["newest_first"]:
if op in opts and opts[op]:
raise error.Abort(_("-G/--graph option is incompatible with --%s")
% op.replace("_", "-"))
def graphrevs(repo, nodes, opts):
limit = loglimit(opts)
nodes.reverse()
if limit is not None:
nodes = nodes[:limit]
return graphmod.nodes(repo, nodes)
def add(ui, repo, match, prefix, explicitonly, **opts):
join = lambda f: os.path.join(prefix, f)
bad = []
badfn = lambda x, y: bad.append(x) or match.bad(x, y)
names = []
wctx = repo[None]
cca = None
abort, warn = scmutil.checkportabilityalert(ui)
if abort or warn:
cca = scmutil.casecollisionauditor(ui, abort, repo.dirstate)
badmatch = matchmod.badmatch(match, badfn)
dirstate = repo.dirstate
# We don't want to just call wctx.walk here, since it would return a lot of
# clean files, which we aren't interested in and takes time.
for f in sorted(dirstate.walk(badmatch, sorted(wctx.substate),
True, False, full=False)):
exact = match.exact(f)
if exact or not explicitonly and f not in wctx and repo.wvfs.lexists(f):
if cca:
cca(f)
names.append(f)
if ui.verbose or not exact:
ui.status(_('adding %s\n') % match.rel(f))
for subpath in sorted(wctx.substate):
sub = wctx.sub(subpath)
try:
submatch = matchmod.narrowmatcher(subpath, match)
if opts.get('subrepos'):
bad.extend(sub.add(ui, submatch, prefix, False, **opts))
else:
bad.extend(sub.add(ui, submatch, prefix, True, **opts))
except error.LookupError:
ui.status(_("skipping missing subrepository: %s\n")
% join(subpath))
if not opts.get('dry_run'):
rejected = wctx.add(names, prefix)
bad.extend(f for f in rejected if f in match.files())
return bad
def forget(ui, repo, match, prefix, explicitonly):
join = lambda f: os.path.join(prefix, f)
bad = []
badfn = lambda x, y: bad.append(x) or match.bad(x, y)
wctx = repo[None]
forgot = []
s = repo.status(match=matchmod.badmatch(match, badfn), clean=True)
forget = sorted(s[0] + s[1] + s[3] + s[6])
if explicitonly:
forget = [f for f in forget if match.exact(f)]
for subpath in sorted(wctx.substate):
sub = wctx.sub(subpath)
try:
submatch = matchmod.narrowmatcher(subpath, match)
subbad, subforgot = sub.forget(submatch, prefix)
bad.extend([subpath + '/' + f for f in subbad])
forgot.extend([subpath + '/' + f for f in subforgot])
except error.LookupError:
ui.status(_("skipping missing subrepository: %s\n")
% join(subpath))
if not explicitonly:
for f in match.files():
if f not in repo.dirstate and not repo.wvfs.isdir(f):
if f not in forgot:
if repo.wvfs.exists(f):
# Don't complain if the exact case match wasn't given.
# But don't do this until after checking 'forgot', so
# that subrepo files aren't normalized, and this op is
# purely from data cached by the status walk above.
if repo.dirstate.normalize(f) in repo.dirstate:
continue
ui.warn(_('not removing %s: '
'file is already untracked\n')
% match.rel(f))
bad.append(f)
for f in forget:
if ui.verbose or not match.exact(f):
ui.status(_('removing %s\n') % match.rel(f))
rejected = wctx.forget(forget, prefix)
bad.extend(f for f in rejected if f in match.files())
forgot.extend(f for f in forget if f not in rejected)
return bad, forgot
def files(ui, ctx, m, fm, fmt, subrepos):
rev = ctx.rev()
ret = 1
ds = ctx.repo().dirstate
for f in ctx.matches(m):
if rev is None and ds[f] == 'r':
continue
fm.startitem()
if ui.verbose:
fc = ctx[f]
fm.write('size flags', '% 10d % 1s ', fc.size(), fc.flags())
fm.data(abspath=f)
fm.write('path', fmt, m.rel(f))
ret = 0
for subpath in sorted(ctx.substate):
def matchessubrepo(subpath):
return (m.exact(subpath)
or any(f.startswith(subpath + '/') for f in m.files()))
if subrepos or matchessubrepo(subpath):
sub = ctx.sub(subpath)
try:
submatch = matchmod.narrowmatcher(subpath, m)
recurse = m.exact(subpath) or subrepos
if sub.printfiles(ui, submatch, fm, fmt, recurse) == 0:
ret = 0
except error.LookupError:
ui.status(_("skipping missing subrepository: %s\n")
% m.abs(subpath))
return ret
def remove(ui, repo, m, prefix, after, force, subrepos):
join = lambda f: os.path.join(prefix, f)
ret = 0
s = repo.status(match=m, clean=True)
modified, added, deleted, clean = s[0], s[1], s[3], s[6]
wctx = repo[None]
for subpath in sorted(wctx.substate):
def matchessubrepo(matcher, subpath):
if matcher.exact(subpath):
return True
for f in matcher.files():
if f.startswith(subpath):
return True
return False
if subrepos or matchessubrepo(m, subpath):
sub = wctx.sub(subpath)
try:
submatch = matchmod.narrowmatcher(subpath, m)
if sub.removefiles(submatch, prefix, after, force, subrepos):
ret = 1
except error.LookupError:
ui.status(_("skipping missing subrepository: %s\n")
% join(subpath))
# warn about failure to delete explicit files/dirs
deleteddirs = util.dirs(deleted)
for f in m.files():
def insubrepo():
for subpath in wctx.substate:
if f.startswith(subpath):
return True
return False
isdir = f in deleteddirs or wctx.hasdir(f)
if f in repo.dirstate or isdir or f == '.' or insubrepo():
continue
if repo.wvfs.exists(f):
if repo.wvfs.isdir(f):
ui.warn(_('not removing %s: no tracked files\n')
% m.rel(f))
else:
ui.warn(_('not removing %s: file is untracked\n')
% m.rel(f))
# missing files will generate a warning elsewhere
ret = 1
if force:
list = modified + deleted + clean + added
elif after:
list = deleted
for f in modified + added + clean:
ui.warn(_('not removing %s: file still exists\n') % m.rel(f))
ret = 1
else:
list = deleted + clean
for f in modified:
ui.warn(_('not removing %s: file is modified (use -f'
' to force removal)\n') % m.rel(f))
ret = 1
for f in added:
ui.warn(_('not removing %s: file has been marked for add'
' (use forget to undo)\n') % m.rel(f))
ret = 1
for f in sorted(list):
if ui.verbose or not m.exact(f):
ui.status(_('removing %s\n') % m.rel(f))
with repo.wlock():
if not after:
for f in list:
if f in added:
continue # we never unlink added files on remove
util.unlinkpath(repo.wjoin(f), ignoremissing=True)
repo[None].forget(list)
return ret
def cat(ui, repo, ctx, matcher, prefix, **opts):
err = 1
def write(path):
fp = makefileobj(repo, opts.get('output'), ctx.node(),
pathname=os.path.join(prefix, path))
data = ctx[path].data()
if opts.get('decode'):
data = repo.wwritedata(path, data)
fp.write(data)
fp.close()
# Automation often uses hg cat on single files, so special case it
# for performance to avoid the cost of parsing the manifest.
if len(matcher.files()) == 1 and not matcher.anypats():
file = matcher.files()[0]
mf = repo.manifest
mfnode = ctx.manifestnode()
if mfnode and mf.find(mfnode, file)[0]:
write(file)
return 0
# Don't warn about "missing" files that are really in subrepos
def badfn(path, msg):
for subpath in ctx.substate:
if path.startswith(subpath):
return
matcher.bad(path, msg)
for abs in ctx.walk(matchmod.badmatch(matcher, badfn)):
write(abs)
err = 0
for subpath in sorted(ctx.substate):
sub = ctx.sub(subpath)
try:
submatch = matchmod.narrowmatcher(subpath, matcher)
if not sub.cat(submatch, os.path.join(prefix, sub._path),
**opts):
err = 0
except error.RepoLookupError:
ui.status(_("skipping missing subrepository: %s\n")
% os.path.join(prefix, subpath))
return err
def commit(ui, repo, commitfunc, pats, opts):
'''commit the specified files or all outstanding changes'''
date = opts.get('date')
if date:
opts['date'] = util.parsedate(date)
message = logmessage(ui, opts)
matcher = scmutil.match(repo[None], pats, opts)
# extract addremove carefully -- this function can be called from a command
# that doesn't support addremove
if opts.get('addremove'):
if scmutil.addremove(repo, matcher, "", opts) != 0:
raise error.Abort(
_("failed to mark all new/missing files as added/removed"))
return commitfunc(ui, repo, message, matcher, opts)
def amend(ui, repo, commitfunc, old, extra, pats, opts):
# avoid cycle context -> subrepo -> cmdutil
import context
# amend will reuse the existing user if not specified, but the obsolete
# marker creation requires that the current user's name is specified.
if obsolete.isenabled(repo, obsolete.createmarkersopt):
ui.username() # raise exception if username not set
ui.note(_('amending changeset %s\n') % old)
base = old.p1()
createmarkers = obsolete.isenabled(repo, obsolete.createmarkersopt)
wlock = lock = newid = None
try:
wlock = repo.wlock()
lock = repo.lock()
with repo.transaction('amend') as tr:
# See if we got a message from -m or -l, if not, open the editor
# with the message of the changeset to amend
message = logmessage(ui, opts)
# ensure logfile does not conflict with later enforcement of the
# message. potential logfile content has been processed by
# `logmessage` anyway.
opts.pop('logfile')
# First, do a regular commit to record all changes in the working
# directory (if there are any)
ui.callhooks = False
activebookmark = repo._bookmarks.active
try:
repo._bookmarks.active = None
opts['message'] = 'temporary amend commit for %s' % old
node = commit(ui, repo, commitfunc, pats, opts)
finally:
repo._bookmarks.active = activebookmark
repo._bookmarks.recordchange(tr)
ui.callhooks = True
ctx = repo[node]
# Participating changesets:
#
# node/ctx o - new (intermediate) commit that contains changes
# | from working dir to go into amending commit
# | (or a workingctx if there were no changes)
# |
# old o - changeset to amend
# |
# base o - parent of amending changeset
# Update extra dict from amended commit (e.g. to preserve graft
# source)
extra.update(old.extra())
# Also update it from the intermediate commit or from the wctx
extra.update(ctx.extra())
if len(old.parents()) > 1:
# ctx.files() isn't reliable for merges, so fall back to the
# slower repo.status() method
files = set([fn for st in repo.status(base, old)[:3]
for fn in st])
else:
files = set(old.files())
# Second, we use either the commit we just did, or if there were no
# changes the parent of the working directory as the version of the
# files in the final amend commit
if node:
ui.note(_('copying changeset %s to %s\n') % (ctx, base))
user = ctx.user()
date = ctx.date()
# Recompute copies (avoid recording a -> b -> a)
copied = copies.pathcopies(base, ctx)
if old.p2:
copied.update(copies.pathcopies(old.p2(), ctx))
# Prune files which were reverted by the updates: if old
# introduced file X and our intermediate commit, node,
# renamed that file, then those two files are the same and
# we can discard X from our list of files. Likewise if X
# was deleted, it's no longer relevant
files.update(ctx.files())
def samefile(f):
if f in ctx.manifest():
a = ctx.filectx(f)
if f in base.manifest():
b = base.filectx(f)
return (not a.cmp(b)
and a.flags() == b.flags())
else:
return False
else:
return f not in base.manifest()
files = [f for f in files if not samefile(f)]
def filectxfn(repo, ctx_, path):
try:
fctx = ctx[path]
flags = fctx.flags()
mctx = context.memfilectx(repo,
fctx.path(), fctx.data(),
islink='l' in flags,
isexec='x' in flags,
copied=copied.get(path))
return mctx
except KeyError:
return None
else:
ui.note(_('copying changeset %s to %s\n') % (old, base))
# Use version of files as in the old cset
def filectxfn(repo, ctx_, path):
try:
return old.filectx(path)
except KeyError:
return None
user = opts.get('user') or old.user()
date = opts.get('date') or old.date()
editform = mergeeditform(old, 'commit.amend')
editor = getcommiteditor(editform=editform, **opts)
if not message:
editor = getcommiteditor(edit=True, editform=editform)
message = old.description()
pureextra = extra.copy()
extra['amend_source'] = old.hex()
new = context.memctx(repo,
parents=[base.node(), old.p2().node()],
text=message,
files=files,
filectxfn=filectxfn,
user=user,
date=date,
extra=extra,
editor=editor)
newdesc = changelog.stripdesc(new.description())
if ((not node)
and newdesc == old.description()
and user == old.user()
and date == old.date()
and pureextra == old.extra()):
# nothing changed. continuing here would create a new node
# anyway because of the amend_source noise.
#
# This not what we expect from amend.
return old.node()
ph = repo.ui.config('phases', 'new-commit', phases.draft)
try:
if opts.get('secret'):
commitphase = 'secret'
else:
commitphase = old.phase()
repo.ui.setconfig('phases', 'new-commit', commitphase, 'amend')
newid = repo.commitctx(new)
finally:
repo.ui.setconfig('phases', 'new-commit', ph, 'amend')
if newid != old.node():
# Reroute the working copy parent to the new changeset
repo.setparents(newid, nullid)
# Move bookmarks from old parent to amend commit
bms = repo.nodebookmarks(old.node())
if bms:
marks = repo._bookmarks
for bm in bms:
ui.debug('moving bookmarks %r from %s to %s\n' %
(marks, old.hex(), hex(newid)))
marks[bm] = newid
marks.recordchange(tr)
#commit the whole amend process
if createmarkers:
# mark the new changeset as successor of the rewritten one
new = repo[newid]
obs = [(old, (new,))]
if node:
obs.append((ctx, ()))
obsolete.createmarkers(repo, obs)
if not createmarkers and newid != old.node():
# Strip the intermediate commit (if there was one) and the amended
# commit
if node:
ui.note(_('stripping intermediate changeset %s\n') % ctx)
ui.note(_('stripping amended changeset %s\n') % old)
repair.strip(ui, repo, old.node(), topic='amend-backup')
finally:
lockmod.release(lock, wlock)
return newid
def commiteditor(repo, ctx, subs, editform=''):
if ctx.description():
return ctx.description()
return commitforceeditor(repo, ctx, subs, editform=editform,
unchangedmessagedetection=True)
def commitforceeditor(repo, ctx, subs, finishdesc=None, extramsg=None,
editform='', unchangedmessagedetection=False):
if not extramsg:
extramsg = _("Leave message empty to abort commit.")
forms = [e for e in editform.split('.') if e]
forms.insert(0, 'changeset')
templatetext = None
while forms:
tmpl = repo.ui.config('committemplate', '.'.join(forms))
if tmpl:
templatetext = committext = buildcommittemplate(
repo, ctx, subs, extramsg, tmpl)
break
forms.pop()
else:
committext = buildcommittext(repo, ctx, subs, extramsg)
# run editor in the repository root
olddir = os.getcwd()
os.chdir(repo.root)
# make in-memory changes visible to external process
tr = repo.currenttransaction()
repo.dirstate.write(tr)
pending = tr and tr.writepending() and repo.root
editortext = repo.ui.edit(committext, ctx.user(), ctx.extra(),
editform=editform, pending=pending)
text = re.sub("(?m)^HG:.*(\n|$)", "", editortext)
os.chdir(olddir)
if finishdesc:
text = finishdesc(text)
if not text.strip():
raise error.Abort(_("empty commit message"))
if unchangedmessagedetection and editortext == templatetext:
raise error.Abort(_("commit message unchanged"))
return text
def buildcommittemplate(repo, ctx, subs, extramsg, tmpl):
ui = repo.ui
tmpl, mapfile = gettemplate(ui, tmpl, None)
try:
t = changeset_templater(ui, repo, None, {}, tmpl, mapfile, False)
except SyntaxError as inst:
raise error.Abort(inst.args[0])
for k, v in repo.ui.configitems('committemplate'):
if k != 'changeset':
t.t.cache[k] = v
if not extramsg:
extramsg = '' # ensure that extramsg is string
ui.pushbuffer()
t.show(ctx, extramsg=extramsg)
return ui.popbuffer()
def hgprefix(msg):
return "\n".join(["HG: %s" % a for a in msg.split("\n") if a])
def buildcommittext(repo, ctx, subs, extramsg):
edittext = []
modified, added, removed = ctx.modified(), ctx.added(), ctx.removed()
if ctx.description():
edittext.append(ctx.description())
edittext.append("")
edittext.append("") # Empty line between message and comments.
edittext.append(hgprefix(_("Enter commit message."
" Lines beginning with 'HG:' are removed.")))
edittext.append(hgprefix(extramsg))
edittext.append("HG: --")
edittext.append(hgprefix(_("user: %s") % ctx.user()))
if ctx.p2():
edittext.append(hgprefix(_("branch merge")))
if ctx.branch():
edittext.append(hgprefix(_("branch '%s'") % ctx.branch()))
if bookmarks.isactivewdirparent(repo):
edittext.append(hgprefix(_("bookmark '%s'") % repo._activebookmark))
edittext.extend([hgprefix(_("subrepo %s") % s) for s in subs])
edittext.extend([hgprefix(_("added %s") % f) for f in added])
edittext.extend([hgprefix(_("changed %s") % f) for f in modified])
edittext.extend([hgprefix(_("removed %s") % f) for f in removed])
if not added and not modified and not removed:
edittext.append(hgprefix(_("no files changed")))
edittext.append("")
return "\n".join(edittext)
def commitstatus(repo, node, branch, bheads=None, opts=None):
if opts is None:
opts = {}
ctx = repo[node]
parents = ctx.parents()
if (not opts.get('amend') and bheads and node not in bheads and not
[x for x in parents if x.node() in bheads and x.branch() == branch]):
repo.ui.status(_('created new head\n'))
# The message is not printed for initial roots. For the other
# changesets, it is printed in the following situations:
#
# Par column: for the 2 parents with ...
# N: null or no parent
# B: parent is on another named branch
# C: parent is a regular non head changeset
# H: parent was a branch head of the current branch
# Msg column: whether we print "created new head" message
# In the following, it is assumed that there already exists some
# initial branch heads of the current branch, otherwise nothing is
# printed anyway.
#
# Par Msg Comment
# N N y additional topo root
#
# B N y additional branch root
# C N y additional topo head
# H N n usual case
#
# B B y weird additional branch root
# C B y branch merge
# H B n merge with named branch
#
# C C y additional head from merge
# C H n merge with a head
#
# H H n head merge: head count decreases
if not opts.get('close_branch'):
for r in parents:
if r.closesbranch() and r.branch() == branch:
repo.ui.status(_('reopening closed branch head %d\n') % r)
if repo.ui.debugflag:
repo.ui.write(_('committed changeset %d:%s\n') % (int(ctx), ctx.hex()))
elif repo.ui.verbose:
repo.ui.write(_('committed changeset %d:%s\n') % (int(ctx), ctx))
def postcommitstatus(repo, pats, opts):
return repo.status(match=scmutil.match(repo[None], pats, opts))
def revert(ui, repo, ctx, parents, *pats, **opts):
parent, p2 = parents
node = ctx.node()
mf = ctx.manifest()
if node == p2:
parent = p2
# need all matching names in dirstate and manifest of target rev,
# so have to walk both. do not print errors if files exist in one
# but not other. in both cases, filesets should be evaluated against
# workingctx to get consistent result (issue4497). this means 'set:**'
# cannot be used to select missing files from target rev.
# `names` is a mapping for all elements in working copy and target revision
# The mapping is in the form:
# <asb path in repo> -> (<path from CWD>, <exactly specified by matcher?>)
names = {}
with repo.wlock():
## filling of the `names` mapping
# walk dirstate to fill `names`
interactive = opts.get('interactive', False)
wctx = repo[None]
m = scmutil.match(wctx, pats, opts)
# we'll need this later
targetsubs = sorted(s for s in wctx.substate if m(s))
if not m.always():
for abs in repo.walk(matchmod.badmatch(m, lambda x, y: False)):
names[abs] = m.rel(abs), m.exact(abs)
# walk target manifest to fill `names`
def badfn(path, msg):
if path in names:
return
if path in ctx.substate:
return
path_ = path + '/'
for f in names:
if f.startswith(path_):
return
ui.warn("%s: %s\n" % (m.rel(path), msg))
for abs in ctx.walk(matchmod.badmatch(m, badfn)):
if abs not in names:
names[abs] = m.rel(abs), m.exact(abs)
# Find status of all file in `names`.
m = scmutil.matchfiles(repo, names)
changes = repo.status(node1=node, match=m,
unknown=True, ignored=True, clean=True)
else:
changes = repo.status(node1=node, match=m)
for kind in changes:
for abs in kind:
names[abs] = m.rel(abs), m.exact(abs)
m = scmutil.matchfiles(repo, names)
modified = set(changes.modified)
added = set(changes.added)
removed = set(changes.removed)
_deleted = set(changes.deleted)
unknown = set(changes.unknown)
unknown.update(changes.ignored)
clean = set(changes.clean)
modadded = set()
# split between files known in target manifest and the others
smf = set(mf)
# determine the exact nature of the deleted changesets
deladded = _deleted - smf
deleted = _deleted - deladded
# We need to account for the state of the file in the dirstate,
# even when we revert against something else than parent. This will
# slightly alter the behavior of revert (doing back up or not, delete
# or just forget etc).
if parent == node:
dsmodified = modified
dsadded = added
dsremoved = removed
# store all local modifications, useful later for rename detection
localchanges = dsmodified | dsadded
modified, added, removed = set(), set(), set()
else:
changes = repo.status(node1=parent, match=m)
dsmodified = set(changes.modified)
dsadded = set(changes.added)
dsremoved = set(changes.removed)
# store all local modifications, useful later for rename detection
localchanges = dsmodified | dsadded
# only take into account for removes between wc and target
clean |= dsremoved - removed
dsremoved &= removed
# distinct between dirstate remove and other
removed -= dsremoved
modadded = added & dsmodified
added -= modadded
# tell newly modified apart.
dsmodified &= modified
dsmodified |= modified & dsadded # dirstate added may needs backup
modified -= dsmodified
# We need to wait for some post-processing to update this set
# before making the distinction. The dirstate will be used for
# that purpose.
dsadded = added
# in case of merge, files that are actually added can be reported as
# modified, we need to post process the result
if p2 != nullid:
mergeadd = dsmodified - smf
dsadded |= mergeadd
dsmodified -= mergeadd
# if f is a rename, update `names` to also revert the source
cwd = repo.getcwd()
for f in localchanges:
src = repo.dirstate.copied(f)
# XXX should we check for rename down to target node?
if src and src not in names and repo.dirstate[src] == 'r':
dsremoved.add(src)
names[src] = (repo.pathto(src, cwd), True)
# distinguish between file to forget and the other
added = set()
for abs in dsadded:
if repo.dirstate[abs] != 'a':
added.add(abs)
dsadded -= added
for abs in deladded:
if repo.dirstate[abs] == 'a':
dsadded.add(abs)
deladded -= dsadded
# For files marked as removed, we check if an unknown file is present at
# the same path. If a such file exists it may need to be backed up.
# Making the distinction at this stage helps have simpler backup
# logic.
removunk = set()
for abs in removed:
target = repo.wjoin(abs)
if os.path.lexists(target):
removunk.add(abs)
removed -= removunk
dsremovunk = set()
for abs in dsremoved:
target = repo.wjoin(abs)
if os.path.lexists(target):
dsremovunk.add(abs)
dsremoved -= dsremovunk
# action to be actually performed by revert
# (<list of file>, message>) tuple
actions = {'revert': ([], _('reverting %s\n')),
'add': ([], _('adding %s\n')),
'remove': ([], _('removing %s\n')),
'drop': ([], _('removing %s\n')),
'forget': ([], _('forgetting %s\n')),
'undelete': ([], _('undeleting %s\n')),
'noop': (None, _('no changes needed to %s\n')),
'unknown': (None, _('file not managed: %s\n')),
}
# "constant" that convey the backup strategy.
# All set to `discard` if `no-backup` is set do avoid checking
# no_backup lower in the code.
# These values are ordered for comparison purposes
backup = 2 # unconditionally do backup
check = 1 # check if the existing file differs from target
discard = 0 # never do backup
if opts.get('no_backup'):
backup = check = discard
backupanddel = actions['remove']
if not opts.get('no_backup'):
backupanddel = actions['drop']
disptable = (
# dispatch table:
# file state
# action
# make backup
## Sets that results that will change file on disk
# Modified compared to target, no local change
(modified, actions['revert'], discard),
# Modified compared to target, but local file is deleted
(deleted, actions['revert'], discard),
# Modified compared to target, local change
(dsmodified, actions['revert'], backup),
# Added since target
(added, actions['remove'], discard),
# Added in working directory
(dsadded, actions['forget'], discard),
# Added since target, have local modification
(modadded, backupanddel, backup),
# Added since target but file is missing in working directory
(deladded, actions['drop'], discard),
# Removed since target, before working copy parent
(removed, actions['add'], discard),
# Same as `removed` but an unknown file exists at the same path
(removunk, actions['add'], check),
# Removed since targe, marked as such in working copy parent
(dsremoved, actions['undelete'], discard),
# Same as `dsremoved` but an unknown file exists at the same path
(dsremovunk, actions['undelete'], check),
## the following sets does not result in any file changes
# File with no modification
(clean, actions['noop'], discard),
# Existing file, not tracked anywhere
(unknown, actions['unknown'], discard),
)
for abs, (rel, exact) in sorted(names.items()):
# target file to be touch on disk (relative to cwd)
target = repo.wjoin(abs)
# search the entry in the dispatch table.
# if the file is in any of these sets, it was touched in the working
# directory parent and we are sure it needs to be reverted.
for table, (xlist, msg), dobackup in disptable:
if abs not in table:
continue
if xlist is not None:
xlist.append(abs)
if dobackup and (backup <= dobackup
or wctx[abs].cmp(ctx[abs])):
bakname = scmutil.origpath(ui, repo, rel)
ui.note(_('saving current version of %s as %s\n') %
(rel, bakname))
if not opts.get('dry_run'):
if interactive:
util.copyfile(target, bakname)
else:
util.rename(target, bakname)
if ui.verbose or not exact:
if not isinstance(msg, basestring):
msg = msg(abs)
ui.status(msg % rel)
elif exact:
ui.warn(msg % rel)
break
if not opts.get('dry_run'):
needdata = ('revert', 'add', 'undelete')
_revertprefetch(repo, ctx, *[actions[name][0] for name in needdata])
_performrevert(repo, parents, ctx, actions, interactive)
if targetsubs:
# Revert the subrepos on the revert list
for sub in targetsubs:
try:
wctx.sub(sub).revert(ctx.substate[sub], *pats, **opts)
except KeyError:
raise error.Abort("subrepository '%s' does not exist in %s!"
% (sub, short(ctx.node())))
def _revertprefetch(repo, ctx, *files):
"""Let extension changing the storage layer prefetch content"""
pass
def _performrevert(repo, parents, ctx, actions, interactive=False):
"""function that actually perform all the actions computed for revert
This is an independent function to let extension to plug in and react to
the imminent revert.
Make sure you have the working directory locked when calling this function.
"""
parent, p2 = parents
node = ctx.node()
def checkout(f):
fc = ctx[f]
repo.wwrite(f, fc.data(), fc.flags())
audit_path = pathutil.pathauditor(repo.root)
for f in actions['forget'][0]:
repo.dirstate.drop(f)
for f in actions['remove'][0]:
audit_path(f)
try:
util.unlinkpath(repo.wjoin(f))
except OSError:
pass
repo.dirstate.remove(f)
for f in actions['drop'][0]:
audit_path(f)
repo.dirstate.remove(f)
normal = None
if node == parent:
# We're reverting to our parent. If possible, we'd like status
# to report the file as clean. We have to use normallookup for
# merges to avoid losing information about merged/dirty files.
if p2 != nullid:
normal = repo.dirstate.normallookup
else:
normal = repo.dirstate.normal
newlyaddedandmodifiedfiles = set()
if interactive:
# Prompt the user for changes to revert
torevert = [repo.wjoin(f) for f in actions['revert'][0]]
m = scmutil.match(ctx, torevert, {})
diffopts = patch.difffeatureopts(repo.ui, whitespace=True)
diffopts.nodates = True
diffopts.git = True
reversehunks = repo.ui.configbool('experimental',
'revertalternateinteractivemode',
True)
if reversehunks:
diff = patch.diff(repo, ctx.node(), None, m, opts=diffopts)
else:
diff = patch.diff(repo, None, ctx.node(), m, opts=diffopts)
originalchunks = patch.parsepatch(diff)
try:
chunks, opts = recordfilter(repo.ui, originalchunks)
if reversehunks:
chunks = patch.reversehunks(chunks)
except patch.PatchError as err:
raise error.Abort(_('error parsing patch: %s') % err)
newlyaddedandmodifiedfiles = newandmodified(chunks, originalchunks)
# Apply changes
fp = cStringIO.StringIO()
for c in chunks:
c.write(fp)
dopatch = fp.tell()
fp.seek(0)
if dopatch:
try:
patch.internalpatch(repo.ui, repo, fp, 1, eolmode=None)
except patch.PatchError as err:
raise error.Abort(str(err))
del fp
else:
for f in actions['revert'][0]:
checkout(f)
if normal:
normal(f)
for f in actions['add'][0]:
# Don't checkout modified files, they are already created by the diff
if f not in newlyaddedandmodifiedfiles:
checkout(f)
repo.dirstate.add(f)
normal = repo.dirstate.normallookup
if node == parent and p2 == nullid:
normal = repo.dirstate.normal
for f in actions['undelete'][0]:
checkout(f)
normal(f)
copied = copies.pathcopies(repo[parent], ctx)
for f in actions['add'][0] + actions['undelete'][0] + actions['revert'][0]:
if f in copied:
repo.dirstate.copy(copied[f], f)
def command(table):
"""Returns a function object to be used as a decorator for making commands.
This function receives a command table as its argument. The table should
be a dict.
The returned function can be used as a decorator for adding commands
to that command table. This function accepts multiple arguments to define
a command.
The first argument is the command name.
The options argument is an iterable of tuples defining command arguments.
See ``mercurial.fancyopts.fancyopts()`` for the format of each tuple.
The synopsis argument defines a short, one line summary of how to use the
command. This shows up in the help output.
The norepo argument defines whether the command does not require a
local repository. Most commands operate against a repository, thus the
default is False.
The optionalrepo argument defines whether the command optionally requires
a local repository.
The inferrepo argument defines whether to try to find a repository from the
command line arguments. If True, arguments will be examined for potential
repository locations. See ``findrepo()``. If a repository is found, it
will be used.
"""
def cmd(name, options=(), synopsis=None, norepo=False, optionalrepo=False,
inferrepo=False):
def decorator(func):
if synopsis:
table[name] = func, list(options), synopsis
else:
table[name] = func, list(options)
if norepo:
# Avoid import cycle.
import commands
commands.norepo += ' %s' % ' '.join(parsealiases(name))
if optionalrepo:
import commands
commands.optionalrepo += ' %s' % ' '.join(parsealiases(name))
if inferrepo:
import commands
commands.inferrepo += ' %s' % ' '.join(parsealiases(name))
return func
return decorator
return cmd
# a list of (ui, repo, otherpeer, opts, missing) functions called by
# commands.outgoing. "missing" is "missing" of the result of
# "findcommonoutgoing()"
outgoinghooks = util.hooks()
# a list of (ui, repo) functions called by commands.summary
summaryhooks = util.hooks()
# a list of (ui, repo, opts, changes) functions called by commands.summary.
#
# functions should return tuple of booleans below, if 'changes' is None:
# (whether-incomings-are-needed, whether-outgoings-are-needed)
#
# otherwise, 'changes' is a tuple of tuples below:
# - (sourceurl, sourcebranch, sourcepeer, incoming)
# - (desturl, destbranch, destpeer, outgoing)
summaryremotehooks = util.hooks()
# A list of state files kept by multistep operations like graft.
# Since graft cannot be aborted, it is considered 'clearable' by update.
# note: bisect is intentionally excluded
# (state file, clearable, allowcommit, error, hint)
unfinishedstates = [
('graftstate', True, False, _('graft in progress'),
_("use 'hg graft --continue' or 'hg update' to abort")),
('updatestate', True, False, _('last update was interrupted'),
_("use 'hg update' to get a consistent checkout"))
]
def checkunfinished(repo, commit=False):
'''Look for an unfinished multistep operation, like graft, and abort
if found. It's probably good to check this right before
bailifchanged().
'''
for f, clearable, allowcommit, msg, hint in unfinishedstates:
if commit and allowcommit:
continue
if repo.vfs.exists(f):
raise error.Abort(msg, hint=hint)
def clearunfinished(repo):
'''Check for unfinished operations (as above), and clear the ones
that are clearable.
'''
for f, clearable, allowcommit, msg, hint in unfinishedstates:
if not clearable and repo.vfs.exists(f):
raise error.Abort(msg, hint=hint)
for f, clearable, allowcommit, msg, hint in unfinishedstates:
if clearable and repo.vfs.exists(f):
util.unlink(repo.join(f))
afterresolvedstates = [
('graftstate',
_('hg graft --continue')),
]
def checkafterresolved(repo):
contmsg = _("continue: %s\n")
for f, msg in afterresolvedstates:
if repo.vfs.exists(f):
repo.ui.warn(contmsg % msg)
return
repo.ui.note(contmsg % _("hg commit"))
class dirstateguard(object):
'''Restore dirstate at unexpected failure.
At the construction, this class does:
- write current ``repo.dirstate`` out, and
- save ``.hg/dirstate`` into the backup file
This restores ``.hg/dirstate`` from backup file, if ``release()``
is invoked before ``close()``.
This just removes the backup file at ``close()`` before ``release()``.
'''
def __init__(self, repo, name):
self._repo = repo
self._suffix = '.backup.%s.%d' % (name, id(self))
repo.dirstate._savebackup(repo.currenttransaction(), self._suffix)
self._active = True
self._closed = False
def __del__(self):
if self._active: # still active
# this may occur, even if this class is used correctly:
# for example, releasing other resources like transaction
# may raise exception before ``dirstateguard.release`` in
# ``release(tr, ....)``.
self._abort()
def close(self):
if not self._active: # already inactivated
msg = (_("can't close already inactivated backup: dirstate%s")
% self._suffix)
raise error.Abort(msg)
self._repo.dirstate._clearbackup(self._repo.currenttransaction(),
self._suffix)
self._active = False
self._closed = True
def _abort(self):
self._repo.dirstate._restorebackup(self._repo.currenttransaction(),
self._suffix)
self._active = False
def release(self):
if not self._closed:
if not self._active: # already inactivated
msg = (_("can't release already inactivated backup:"
" dirstate%s")
% self._suffix)
raise error.Abort(msg)
self._abort()
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