# cmdutil.py - help for command processing in mercurial
#
# 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, nullid, nullrev, short
from i18n import _
import os, sys, errno, re, glob, tempfile
import util, templater, patch, error, encoding, templatekw
import match as _match
import similar, revset
revrangesep = ':'
def parsealiases(cmd):
return cmd.lstrip("^").split("|")
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 = {}
for e in table.keys():
aliases = parsealiases(e)
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
def findcmd(cmd, table, strict=True):
"""Return (aliases, command table entry) for command string."""
choice = 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)
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 bail_if_changed(repo):
if repo.dirstate.parents()[1] != nullid:
raise util.Abort(_('outstanding uncommitted merge'))
modified, added, removed, deleted = repo.status()[:4]
if modified or added or removed or deleted:
raise util.Abort(_("outstanding uncommitted changes"))
def logmessage(opts):
""" get the log message according to -m and -l option """
message = opts.get('message')
logfile = opts.get('logfile')
if message and logfile:
raise util.Abort(_('options --message and --logfile are mutually '
'exclusive'))
if not message and logfile:
try:
if logfile == '-':
message = sys.stdin.read()
else:
message = open(logfile).read()
except IOError, inst:
raise util.Abort(_("can't read commit message '%s': %s") %
(logfile, inst.strerror))
return message
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 util.Abort(_('limit must be a positive integer'))
if limit <= 0:
raise util.Abort(_('limit must be positive'))
else:
limit = None
return limit
def revpair(repo, revs):
'''return pair of nodes, given list of revisions. second item can
be None, meaning use working dir.'''
def revfix(repo, val, defval):
if not val and val != 0 and defval is not None:
val = defval
return repo.lookup(val)
if not revs:
return repo.dirstate.parents()[0], None
end = None
if len(revs) == 1:
if revrangesep in revs[0]:
start, end = revs[0].split(revrangesep, 1)
start = revfix(repo, start, 0)
end = revfix(repo, end, len(repo) - 1)
else:
start = revfix(repo, revs[0], None)
elif len(revs) == 2:
if revrangesep in revs[0] or revrangesep in revs[1]:
raise util.Abort(_('too many revisions specified'))
start = revfix(repo, revs[0], None)
end = revfix(repo, revs[1], None)
else:
raise util.Abort(_('too many revisions specified'))
return start, end
def revrange(repo, revs):
"""Yield revision as strings from a list of revision specifications."""
def revfix(repo, val, defval):
if not val and val != 0 and defval is not None:
return defval
return repo.changelog.rev(repo.lookup(val))
seen, l = set(), []
for spec in revs:
# attempt to parse old-style ranges first to deal with
# things like old-tag which contain query metacharacters
try:
if revrangesep in spec:
start, end = spec.split(revrangesep, 1)
start = revfix(repo, start, 0)
end = revfix(repo, end, len(repo) - 1)
step = start > end and -1 or 1
for rev in xrange(start, end + step, step):
if rev in seen:
continue
seen.add(rev)
l.append(rev)
continue
elif spec and spec in repo: # single unquoted rev
rev = revfix(repo, spec, None)
if rev in seen:
continue
seen.add(rev)
l.append(rev)
continue
except error.RepoLookupError:
pass
# fall through to new-style queries if old-style fails
m = revset.match(spec)
for r in m(repo, range(len(repo))):
if r not in seen:
l.append(r)
seen.update(l)
return l
def make_filename(repo, pat, node,
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),
}
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, inst:
raise util.Abort(_("invalid format spec '%%%s' in output filename") %
inst.args[0])
def make_file(repo, pat, node=None,
total=None, seqno=None, revwidth=None, mode='wb', pathname=None):
writable = 'w' in mode or 'a' in mode
if not pat or pat == '-':
return writable and sys.stdout or sys.stdin
if hasattr(pat, 'write') and writable:
return pat
if hasattr(pat, 'read') and 'r' in mode:
return pat
return open(make_filename(repo, pat, node, total, seqno, revwidth,
pathname),
mode)
def expandpats(pats):
if not util.expandglobs:
return list(pats)
ret = []
for p in pats:
kind, name = _match._patsplit(p, None)
if kind is None:
try:
globbed = glob.glob(name)
except re.error:
globbed = [name]
if globbed:
ret.extend(globbed)
continue
ret.append(p)
return ret
def match(repo, pats=[], opts={}, globbed=False, default='relpath'):
if not globbed and default == 'relpath':
pats = expandpats(pats or [])
m = _match.match(repo.root, repo.getcwd(), pats,
opts.get('include'), opts.get('exclude'), default)
def badfn(f, msg):
repo.ui.warn("%s: %s\n" % (m.rel(f), msg))
m.bad = badfn
return m
def matchall(repo):
return _match.always(repo.root, repo.getcwd())
def matchfiles(repo, files):
return _match.exact(repo.root, repo.getcwd(), files)
def addremove(repo, pats=[], opts={}, dry_run=None, similarity=None):
if dry_run is None:
dry_run = opts.get('dry_run')
if similarity is None:
similarity = float(opts.get('similarity') or 0)
# we'd use status here, except handling of symlinks and ignore is tricky
added, unknown, deleted, removed = [], [], [], []
audit_path = util.path_auditor(repo.root)
m = match(repo, pats, opts)
for abs in repo.walk(m):
target = repo.wjoin(abs)
good = True
try:
audit_path(abs)
except:
good = False
rel = m.rel(abs)
exact = m.exact(abs)
if good and abs not in repo.dirstate:
unknown.append(abs)
if repo.ui.verbose or not exact:
repo.ui.status(_('adding %s\n') % ((pats and rel) or abs))
elif repo.dirstate[abs] != 'r' and (not good or not util.lexists(target)
or (os.path.isdir(target) and not os.path.islink(target))):
deleted.append(abs)
if repo.ui.verbose or not exact:
repo.ui.status(_('removing %s\n') % ((pats and rel) or abs))
# for finding renames
elif repo.dirstate[abs] == 'r':
removed.append(abs)
elif repo.dirstate[abs] == 'a':
added.append(abs)
copies = {}
if similarity > 0:
for old, new, score in similar.findrenames(repo,
added + unknown, removed + deleted, similarity):
if repo.ui.verbose or not m.exact(old) or not m.exact(new):
repo.ui.status(_('recording removal of %s as rename to %s '
'(%d%% similar)\n') %
(m.rel(old), m.rel(new), score * 100))
copies[new] = old
if not dry_run:
wctx = repo[None]
wlock = repo.wlock()
try:
wctx.remove(deleted)
wctx.add(unknown)
for new, old in copies.iteritems():
wctx.copy(old, new)
finally:
wlock.release()
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 = []
badstates = after and '?' or '?r'
m = match(repo, [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 = util.canonpath(repo.root, cwd, otarget)
reltarget = repo.pathto(abstarget, cwd)
target = repo.wjoin(abstarget)
src = repo.wjoin(abssrc)
state = repo.dirstate[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.exists(target)
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)
util.copyfile(src, target)
except IOError, inst:
if inst.errno == errno.ENOENT:
ui.warn(_('%s: deleted in working copy\n') % relsrc)
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
origsrc = repo.dirstate.copied(abssrc) or abssrc
if abstarget == origsrc: # copying back a copy?
if state not in 'mn' and not dryrun:
repo.dirstate.normallookup(abstarget)
else:
if repo.dirstate[origsrc] == 'a' and origsrc == abssrc:
if not ui.quiet:
ui.warn(_("%s has not been committed yet, so no copy "
"data will be stored for %s.\n")
% (repo.pathto(origsrc, cwd), reltarget))
if repo.dirstate[abstarget] in '?r' and not dryrun:
wctx.add([abstarget])
elif not dryrun:
wctx.copy(origsrc, abstarget)
if rename and not dryrun:
wctx.remove([abssrc], not after)
# 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 = util.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 _match.patkind(pat):
# a mercurial pattern
res = lambda p: os.path.join(dest,
os.path.basename(util.localpath(p)))
else:
abspfx = util.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.exists(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 = expandpats(pats)
if not pats:
raise util.Abort(_('no source or destination specified'))
if len(pats) == 1:
raise util.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 _match.patkind(pats[0]):
raise util.Abort(_('with multiple sources, destination must be an '
'existing directory'))
if util.endswithsep(dest):
raise util.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 util.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.'''
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 util.Abort(_('child process failed to start'))
finally:
try:
os.unlink(lockpath)
except OSError, e:
if e.errno != errno.ENOENT:
raise
if parentfn:
return parentfn(pid)
else:
return
if initfn:
initfn()
if opts['pid_file']:
mode = appendpid and 'a' or 'w'
fp = open(opts['pid_file'], mode)
fp.write(str(os.getpid()) + '\n')
fp.close()
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(util.nulldev, 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()
def export(repo, revs, template='hg-%h.patch', fp=None, switch_parent=False,
opts=None):
'''export changesets as hg patches.'''
total = len(revs)
revwidth = max([len(str(rev)) for rev in revs])
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()
prev = (parents and parents[0]) or nullid
if not fp:
fp = make_file(repo, template, node, total=total, seqno=seqno,
revwidth=revwidth, mode='ab')
if fp != sys.stdout and hasattr(fp, 'name'):
repo.ui.note("%s\n" % fp.name)
fp.write("# HG changeset patch\n")
fp.write("# User %s\n" % ctx.user())
fp.write("# Date %d %d\n" % ctx.date())
if branch and branch != 'default':
fp.write("# Branch %s\n" % branch)
fp.write("# Node ID %s\n" % hex(node))
fp.write("# Parent %s\n" % hex(prev))
if len(parents) > 1:
fp.write("# Parent %s\n" % hex(parents[1]))
fp.write(ctx.description().rstrip())
fp.write("\n\n")
for chunk in patch.diff(repo, prev, node, opts=opts):
fp.write(chunk)
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):
'''show diff or diffstat.'''
if fp is None:
write = ui.write
else:
def write(s, **kw):
fp.write(s)
if stat:
diffopts = diffopts.copy(context=0)
width = 80
if not ui.plain():
width = util.termwidth()
chunks = patch.diff(repo, node1, node2, match, changes, diffopts)
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):
write(chunk, label=label)
class changeset_printer(object):
'''show changeset information when templating not requested.'''
def __init__(self, ui, repo, patch, diffopts, buffered):
self.ui = ui
self.repo = repo
self.buffered = buffered
self.patch = patch
self.diffopts = diffopts
self.header = {}
self.hunk = {}
self.lastheader = None
self.footer = None
def flush(self, 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()
self._show(ctx, copies, matchfn, props)
self.hunk[ctx.rev()] = self.ui.popbuffer(labeled=True)
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.quiet:
self.ui.write("%d:%s\n" % (rev, short(changenode)),
label='log.node')
return
log = self.repo.changelog
date = util.datestr(ctx.date())
hexfunc = self.ui.debugflag and hex or short
parents = [(p, hexfunc(log.node(p)))
for p in self._meaningful_parentrevs(log, rev)]
self.ui.write(_("changeset: %d:%s\n") % (rev, hexfunc(changenode)),
label='log.changeset')
branch = ctx.branch()
# don't show the default branch name
if branch != 'default':
branch = encoding.tolocal(branch)
self.ui.write(_("branch: %s\n") % branch,
label='log.branch')
for tag in self.repo.nodetags(changenode):
self.ui.write(_("tag: %s\n") % tag,
label='log.tag')
for parent in parents:
self.ui.write(_("parent: %d:%s\n") % parent,
label='log.parent')
if self.ui.debugflag:
mnode = ctx.manifestnode()
self.ui.write(_("manifest: %d:%s\n") %
(self.repo.manifest.rev(mnode), hex(mnode)),
label='ui.debug log.manifest')
self.ui.write(_("user: %s\n") % ctx.user(),
label='log.user')
self.ui.write(_("date: %s\n") % date,
label='log.date')
if self.ui.debugflag:
files = self.repo.status(log.parents(changenode)[0], changenode)[:3]
for key, value in zip([_("files:"), _("files+:"), _("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:
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]
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()):
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:
self.ui.write(_("summary: %s\n") %
description.splitlines()[0],
label='log.summary')
self.ui.write("\n")
self.showpatch(changenode, matchfn)
def showpatch(self, node, matchfn):
if not matchfn:
matchfn = self.patch
if matchfn:
stat = self.diffopts.get('stat')
diff = self.diffopts.get('patch')
diffopts = patch.diffopts(self.ui, self.diffopts)
prev = self.repo.changelog.parents(node)[0]
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")
def _meaningful_parentrevs(self, log, rev):
"""Return list of meaningful (or all if debug) parentrevs for rev.
For merges (two non-nullrev revisions) both parents are meaningful.
Otherwise the first parent revision is considered meaningful if it
is not the preceding revision.
"""
parents = log.parentrevs(rev)
if not self.ui.debugflag and parents[1] == nullrev:
if parents[0] >= rev - 1:
parents = []
else:
parents = [parents[0]]
return parents
class changeset_templater(changeset_printer):
'''format changeset information.'''
def __init__(self, ui, repo, patch, diffopts, mapfile, buffered):
changeset_printer.__init__(self, ui, repo, patch, 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)
self.cache = {}
def use_template(self, t):
'''set template string to use'''
self.t.cache['changeset'] = t
def _meaningful_parentrevs(self, ctx):
"""Return list of meaningful (or all if debug) parentrevs for rev.
"""
parents = ctx.parents()
if len(parents) > 1:
return parents
if self.ui.debugflag:
return [parents[0], self.repo['null']]
if parents[0].rev() >= ctx.rev() - 1:
return []
return parents
def _show(self, ctx, copies, matchfn, props):
'''show a single changeset or file revision'''
showlist = templatekw.showlist
# showparents() behaviour depends on ui trace level which
# causes unexpected behaviours at templating level and makes
# it harder to extract it in a standalone function. Its
# behaviour cannot be changed so leave it here for now.
def showparents(**args):
ctx = args['ctx']
parents = [[('rev', p.rev()), ('node', p.hex())]
for p in self._meaningful_parentrevs(ctx)]
return showlist('parent', parents, **args)
props = props.copy()
props.update(templatekw.keywords)
props['parents'] = showparents
props['templ'] = self.t
props['ctx'] = ctx
props['repo'] = self.repo
props['revcache'] = {'copies': copies}
props['cache'] = self.cache
# find correct templates for current mode
tmplmodes = [
(True, None),
(self.ui.verbose, 'verbose'),
(self.ui.quiet, 'quiet'),
(self.ui.debugflag, 'debug'),
]
types = {'header': '', 'footer':'', 'changeset': 'changeset'}
for mode, postfix in tmplmodes:
for type in types:
cur = postfix and ('%s_%s' % (type, postfix)) or type
if mode and cur in self.t:
types[type] = cur
try:
# write header
if types['header']:
h = templater.stringify(self.t(types['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 = types['changeset']
self.ui.write(templater.stringify(self.t(key, **props)))
self.showpatch(ctx.node(), matchfn)
if types['footer']:
if not self.footer:
self.footer = templater.stringify(self.t(types['footer'],
**props))
except KeyError, inst:
msg = _("%s: no key named '%s'")
raise util.Abort(msg % (self.t.mapfile, inst.args[0]))
except SyntaxError, inst:
raise util.Abort('%s: %s' % (self.t.mapfile, inst.args[0]))
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
patch = False
if opts.get('patch') or opts.get('stat'):
patch = matchall(repo)
tmpl = opts.get('template')
style = None
if tmpl:
tmpl = templater.parsestring(tmpl, quoted=False)
else:
style = opts.get('style')
# ui settings
if not (tmpl or style):
tmpl = ui.config('ui', 'logtemplate')
if tmpl:
tmpl = templater.parsestring(tmpl)
else:
style = util.expandpath(ui.config('ui', 'style', ''))
if not (tmpl or style):
return changeset_printer(ui, repo, patch, opts, buffered)
mapfile = None
if style and not tmpl:
mapfile = style
if not os.path.split(mapfile)[0]:
mapname = (templater.templatepath('map-cmdline.' + mapfile)
or templater.templatepath(mapfile))
if mapname:
mapfile = mapname
try:
t = changeset_templater(ui, repo, patch, opts, mapfile, buffered)
except SyntaxError, inst:
raise util.Abort(inst.args[0])
if tmpl:
t.use_template(tmpl)
return t
def finddate(ui, repo, date):
"""Find the tipmost changeset that matches the given date spec"""
df = util.matchdate(date)
m = 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 util.Abort(_("revision matching date not found"))
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.'''
def increasing_windows(start, end, windowsize=8, sizelimit=512):
if start < end:
while start < end:
yield start, min(windowsize, end - start)
start += windowsize
if windowsize < sizelimit:
windowsize *= 2
else:
while start > end:
yield start, min(windowsize, start - end - 1)
start -= windowsize
if windowsize < sizelimit:
windowsize *= 2
follow = opts.get('follow') or opts.get('follow_first')
if not len(repo):
return []
if follow:
defrange = '%s:0' % repo['.'].rev()
else:
defrange = '-1:0'
revs = revrange(repo, opts['rev'] or [defrange])
if not revs:
return []
wanted = set()
slowpath = match.anypats() or (match.files() and opts.get('removed'))
fncache = {}
change = util.cachefunc(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 not slowpath and not match.files():
# No files, no patterns. Display all revs.
wanted = set(revs)
copies = []
if not slowpath:
# We only have to read through the filelog to find wanted revisions
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 > maxrev or 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():
for filename in match.files():
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 util.Abort(
_('cannot follow nonexistent file: "%s"') % file_)
slowpath = True
break
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 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)
if slowpath:
# We have to read the changelog to match filenames against
# changed files
if follow:
raise util.Abort(_('can only follow copies/renames for explicit '
'filenames'))
# The slow path checks files modified in every changeset.
for i in sorted(revs):
ctx = change(i)
matches = filter(match, ctx.files())
if matches:
fncache[i] = matches
wanted.add(i)
class followfilter(object):
def __init__(self, onlyfirst=False):
self.startrev = nullrev
self.roots = set()
self.onlyfirst = onlyfirst
def match(self, rev):
def realparents(rev):
if self.onlyfirst:
return repo.changelog.parentrevs(rev)[0:1]
else:
return filter(lambda x: x != nullrev,
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
# 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.changelog.rev(repo.lookup(rev))
ff = followfilter()
stop = min(revs[0], revs[-1])
for x in xrange(rev, stop - 1, -1):
if ff.match(x):
wanted.discard(x)
# Now that wanted is correctly initialized, we can iterate over the
# revision range, yielding only revisions in wanted.
def iterate():
if follow and not match.files():
ff = followfilter(onlyfirst=opts.get('follow_first'))
def want(rev):
return ff.match(rev) and rev in wanted
else:
def want(rev):
return rev in wanted
for i, window in increasing_windows(0, len(revs)):
nrevs = [rev for rev in revs[i:i + window] if want(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)
return iterate()
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(opts)
# extract addremove carefully -- this function can be called from a command
# that doesn't support addremove
if opts.get('addremove'):
addremove(repo, pats, opts)
return commitfunc(ui, repo, message, match(repo, pats, opts), opts)
def commiteditor(repo, ctx, subs):
if ctx.description():
return ctx.description()
return commitforceeditor(repo, ctx, subs)
def commitforceeditor(repo, ctx, subs):
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(_("HG: Enter commit message."
" Lines beginning with 'HG:' are removed."))
edittext.append(_("HG: Leave message empty to abort commit."))
edittext.append("HG: --")
edittext.append(_("HG: user: %s") % ctx.user())
if ctx.p2():
edittext.append(_("HG: branch merge"))
if ctx.branch():
edittext.append(_("HG: branch '%s'")
% encoding.tolocal(ctx.branch()))
edittext.extend([_("HG: subrepo %s") % s for s in subs])
edittext.extend([_("HG: added %s") % f for f in added])
edittext.extend([_("HG: changed %s") % f for f in modified])
edittext.extend([_("HG: removed %s") % f for f in removed])
if not added and not modified and not removed:
edittext.append(_("HG: no files changed"))
edittext.append("")
# run editor in the repository root
olddir = os.getcwd()
os.chdir(repo.root)
text = repo.ui.edit("\n".join(edittext), ctx.user())
text = re.sub("(?m)^HG:.*\n", "", text)
os.chdir(olddir)
if not text.strip():
raise util.Abort(_("empty commit message"))
return text