# context.py - changeset and file context objects for mercurial
#
# Copyright 2006, 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 nullid, nullrev, short, hex, bin
from i18n import _
import ancestor, mdiff, error, util, scmutil, subrepo, patch, encoding, phases
import copies
import match as matchmod
import os, errno, stat
import obsolete as obsmod
import repoview
propertycache = util.propertycache
class changectx(object):
"""A changecontext object makes access to data related to a particular
changeset convenient."""
def __init__(self, repo, changeid=''):
"""changeid is a revision number, node, or tag"""
if changeid == '':
changeid = '.'
self._repo = repo
if isinstance(changeid, int):
try:
self._node = repo.changelog.node(changeid)
except IndexError:
raise error.RepoLookupError(
_("unknown revision '%s'") % changeid)
self._rev = changeid
return
if isinstance(changeid, long):
changeid = str(changeid)
if changeid == '.':
self._node = repo.dirstate.p1()
self._rev = repo.changelog.rev(self._node)
return
if changeid == 'null':
self._node = nullid
self._rev = nullrev
return
if changeid == 'tip':
self._node = repo.changelog.tip()
self._rev = repo.changelog.rev(self._node)
return
if len(changeid) == 20:
try:
self._node = changeid
self._rev = repo.changelog.rev(changeid)
return
except LookupError:
pass
try:
r = int(changeid)
if str(r) != changeid:
raise ValueError
l = len(repo.changelog)
if r < 0:
r += l
if r < 0 or r >= l:
raise ValueError
self._rev = r
self._node = repo.changelog.node(r)
return
except (ValueError, OverflowError, IndexError):
pass
if len(changeid) == 40:
try:
self._node = bin(changeid)
self._rev = repo.changelog.rev(self._node)
return
except (TypeError, LookupError):
pass
if changeid in repo._bookmarks:
self._node = repo._bookmarks[changeid]
self._rev = repo.changelog.rev(self._node)
return
if changeid in repo._tagscache.tags:
self._node = repo._tagscache.tags[changeid]
self._rev = repo.changelog.rev(self._node)
return
try:
self._node = repo.branchtip(changeid)
self._rev = repo.changelog.rev(self._node)
return
except error.RepoLookupError:
pass
self._node = repo.changelog._partialmatch(changeid)
if self._node is not None:
self._rev = repo.changelog.rev(self._node)
return
# lookup failed
# check if it might have come from damaged dirstate
#
# XXX we could avoid the unfiltered if we had a recognizable exception
# for filtered changeset access
if changeid in repo.unfiltered().dirstate.parents():
raise error.Abort(_("working directory has unknown parent '%s'!")
% short(changeid))
try:
if len(changeid) == 20:
changeid = hex(changeid)
except TypeError:
pass
raise error.RepoLookupError(
_("unknown revision '%s'") % changeid)
def __str__(self):
return short(self.node())
def __int__(self):
return self.rev()
def __repr__(self):
return "<changectx %s>" % str(self)
def __hash__(self):
try:
return hash(self._rev)
except AttributeError:
return id(self)
def __eq__(self, other):
try:
return self._rev == other._rev
except AttributeError:
return False
def __ne__(self, other):
return not (self == other)
def __nonzero__(self):
return self._rev != nullrev
@propertycache
def _changeset(self):
return self._repo.changelog.read(self.rev())
@propertycache
def _manifest(self):
return self._repo.manifest.read(self._changeset[0])
@propertycache
def _manifestdelta(self):
return self._repo.manifest.readdelta(self._changeset[0])
@propertycache
def _parents(self):
p = self._repo.changelog.parentrevs(self._rev)
if p[1] == nullrev:
p = p[:-1]
return [changectx(self._repo, x) for x in p]
@propertycache
def substate(self):
return subrepo.state(self, self._repo.ui)
def __contains__(self, key):
return key in self._manifest
def __getitem__(self, key):
return self.filectx(key)
def __iter__(self):
for f in sorted(self._manifest):
yield f
def changeset(self):
return self._changeset
def manifest(self):
return self._manifest
def manifestnode(self):
return self._changeset[0]
def rev(self):
return self._rev
def node(self):
return self._node
def hex(self):
return hex(self._node)
def user(self):
return self._changeset[1]
def date(self):
return self._changeset[2]
def files(self):
return self._changeset[3]
def description(self):
return self._changeset[4]
def branch(self):
return encoding.tolocal(self._changeset[5].get("branch"))
def closesbranch(self):
return 'close' in self._changeset[5]
def extra(self):
return self._changeset[5]
def tags(self):
return self._repo.nodetags(self._node)
def bookmarks(self):
return self._repo.nodebookmarks(self._node)
def phase(self):
return self._repo._phasecache.phase(self._repo, self._rev)
def phasestr(self):
return phases.phasenames[self.phase()]
def mutable(self):
return self.phase() > phases.public
def hidden(self):
return self._rev in repoview.filterrevs(self._repo, 'visible')
def parents(self):
"""return contexts for each parent changeset"""
return self._parents
def p1(self):
return self._parents[0]
def p2(self):
if len(self._parents) == 2:
return self._parents[1]
return changectx(self._repo, -1)
def children(self):
"""return contexts for each child changeset"""
c = self._repo.changelog.children(self._node)
return [changectx(self._repo, x) for x in c]
def ancestors(self):
for a in self._repo.changelog.ancestors([self._rev]):
yield changectx(self._repo, a)
def descendants(self):
for d in self._repo.changelog.descendants([self._rev]):
yield changectx(self._repo, d)
def obsolete(self):
"""True if the changeset is obsolete"""
return self.rev() in obsmod.getrevs(self._repo, 'obsolete')
def extinct(self):
"""True if the changeset is extinct"""
return self.rev() in obsmod.getrevs(self._repo, 'extinct')
def unstable(self):
"""True if the changeset is not obsolete but it's ancestor are"""
return self.rev() in obsmod.getrevs(self._repo, 'unstable')
def bumped(self):
"""True if the changeset try to be a successor of a public changeset
Only non-public and non-obsolete changesets may be bumped.
"""
return self.rev() in obsmod.getrevs(self._repo, 'bumped')
def divergent(self):
"""Is a successors of a changeset with multiple possible successors set
Only non-public and non-obsolete changesets may be divergent.
"""
return self.rev() in obsmod.getrevs(self._repo, 'divergent')
def troubled(self):
"""True if the changeset is either unstable, bumped or divergent"""
return self.unstable() or self.bumped() or self.divergent()
def troubles(self):
"""return the list of troubles affecting this changesets.
Troubles are returned as strings. possible values are:
- unstable,
- bumped,
- divergent.
"""
troubles = []
if self.unstable():
troubles.append('unstable')
if self.bumped():
troubles.append('bumped')
if self.divergent():
troubles.append('divergent')
return troubles
def _fileinfo(self, path):
if '_manifest' in self.__dict__:
try:
return self._manifest[path], self._manifest.flags(path)
except KeyError:
raise error.ManifestLookupError(self._node, path,
_('not found in manifest'))
if '_manifestdelta' in self.__dict__ or path in self.files():
if path in self._manifestdelta:
return (self._manifestdelta[path],
self._manifestdelta.flags(path))
node, flag = self._repo.manifest.find(self._changeset[0], path)
if not node:
raise error.ManifestLookupError(self._node, path,
_('not found in manifest'))
return node, flag
def filenode(self, path):
return self._fileinfo(path)[0]
def flags(self, path):
try:
return self._fileinfo(path)[1]
except error.LookupError:
return ''
def filectx(self, path, fileid=None, filelog=None):
"""get a file context from this changeset"""
if fileid is None:
fileid = self.filenode(path)
return filectx(self._repo, path, fileid=fileid,
changectx=self, filelog=filelog)
def ancestor(self, c2):
"""
return the ancestor context of self and c2
"""
# deal with workingctxs
n2 = c2._node
if n2 is None:
n2 = c2._parents[0]._node
n = self._repo.changelog.ancestor(self._node, n2)
return changectx(self._repo, n)
def descendant(self, other):
"""True if other is descendant of this changeset"""
return self._repo.changelog.descendant(self._rev, other._rev)
def walk(self, match):
fset = set(match.files())
# for dirstate.walk, files=['.'] means "walk the whole tree".
# follow that here, too
fset.discard('.')
for fn in self:
if fn in fset:
# specified pattern is the exact name
fset.remove(fn)
if match(fn):
yield fn
for fn in sorted(fset):
if fn in self._dirs:
# specified pattern is a directory
continue
if match.bad(fn, _('no such file in rev %s') % self) and match(fn):
yield fn
def sub(self, path):
return subrepo.subrepo(self, path)
def match(self, pats=[], include=None, exclude=None, default='glob'):
r = self._repo
return matchmod.match(r.root, r.getcwd(), pats,
include, exclude, default,
auditor=r.auditor, ctx=self)
def diff(self, ctx2=None, match=None, **opts):
"""Returns a diff generator for the given contexts and matcher"""
if ctx2 is None:
ctx2 = self.p1()
if ctx2 is not None and not isinstance(ctx2, changectx):
ctx2 = self._repo[ctx2]
diffopts = patch.diffopts(self._repo.ui, opts)
return patch.diff(self._repo, ctx2.node(), self.node(),
match=match, opts=diffopts)
@propertycache
def _dirs(self):
return scmutil.dirs(self._manifest)
def dirs(self):
return self._dirs
def dirty(self):
return False
class filectx(object):
"""A filecontext object makes access to data related to a particular
filerevision convenient."""
def __init__(self, repo, path, changeid=None, fileid=None,
filelog=None, changectx=None):
"""changeid can be a changeset revision, node, or tag.
fileid can be a file revision or node."""
self._repo = repo
self._path = path
assert (changeid is not None
or fileid is not None
or changectx is not None), \
("bad args: changeid=%r, fileid=%r, changectx=%r"
% (changeid, fileid, changectx))
if filelog:
self._filelog = filelog
if changeid is not None:
self._changeid = changeid
if changectx is not None:
self._changectx = changectx
if fileid is not None:
self._fileid = fileid
@propertycache
def _changectx(self):
try:
return changectx(self._repo, self._changeid)
except error.RepoLookupError:
# Linkrev may point to any revision in the repository. When the
# repository is filtered this may lead to `filectx` trying to build
# `changectx` for filtered revision. In such case we fallback to
# creating `changectx` on the unfiltered version of the reposition.
# This fallback should not be an issue because `changectx` from
# `filectx` are not used in complex operations that care about
# filtering.
#
# This fallback is a cheap and dirty fix that prevent several
# crashes. It does not ensure the behavior is correct. However the
# behavior was not correct before filtering either and "incorrect
# behavior" is seen as better as "crash"
#
# Linkrevs have several serious troubles with filtering that are
# complicated to solve. Proper handling of the issue here should be
# considered when solving linkrev issue are on the table.
return changectx(self._repo.unfiltered(), self._changeid)
@propertycache
def _filelog(self):
return self._repo.file(self._path)
@propertycache
def _changeid(self):
if '_changectx' in self.__dict__:
return self._changectx.rev()
else:
return self._filelog.linkrev(self._filerev)
@propertycache
def _filenode(self):
if '_fileid' in self.__dict__:
return self._filelog.lookup(self._fileid)
else:
return self._changectx.filenode(self._path)
@propertycache
def _filerev(self):
return self._filelog.rev(self._filenode)
@propertycache
def _repopath(self):
return self._path
def __nonzero__(self):
try:
self._filenode
return True
except error.LookupError:
# file is missing
return False
def __str__(self):
return "%s@%s" % (self.path(), short(self.node()))
def __repr__(self):
return "<filectx %s>" % str(self)
def __hash__(self):
try:
return hash((self._path, self._filenode))
except AttributeError:
return id(self)
def __eq__(self, other):
try:
return (self._path == other._path
and self._filenode == other._filenode)
except AttributeError:
return False
def __ne__(self, other):
return not (self == other)
def filectx(self, fileid):
'''opens an arbitrary revision of the file without
opening a new filelog'''
return filectx(self._repo, self._path, fileid=fileid,
filelog=self._filelog)
def filerev(self):
return self._filerev
def filenode(self):
return self._filenode
def flags(self):
return self._changectx.flags(self._path)
def filelog(self):
return self._filelog
def rev(self):
if '_changectx' in self.__dict__:
return self._changectx.rev()
if '_changeid' in self.__dict__:
return self._changectx.rev()
return self._filelog.linkrev(self._filerev)
def linkrev(self):
return self._filelog.linkrev(self._filerev)
def node(self):
return self._changectx.node()
def hex(self):
return hex(self.node())
def user(self):
return self._changectx.user()
def date(self):
return self._changectx.date()
def files(self):
return self._changectx.files()
def description(self):
return self._changectx.description()
def branch(self):
return self._changectx.branch()
def extra(self):
return self._changectx.extra()
def phase(self):
return self._changectx.phase()
def phasestr(self):
return self._changectx.phasestr()
def manifest(self):
return self._changectx.manifest()
def changectx(self):
return self._changectx
def data(self):
return self._filelog.read(self._filenode)
def path(self):
return self._path
def size(self):
return self._filelog.size(self._filerev)
def isbinary(self):
try:
return util.binary(self.data())
except IOError:
return False
def cmp(self, fctx):
"""compare with other file context
returns True if different than fctx.
"""
if (fctx._filerev is None
and (self._repo._encodefilterpats
# if file data starts with '\1\n', empty metadata block is
# prepended, which adds 4 bytes to filelog.size().
or self.size() - 4 == fctx.size())
or self.size() == fctx.size()):
return self._filelog.cmp(self._filenode, fctx.data())
return True
def renamed(self):
"""check if file was actually renamed in this changeset revision
If rename logged in file revision, we report copy for changeset only
if file revisions linkrev points back to the changeset in question
or both changeset parents contain different file revisions.
"""
renamed = self._filelog.renamed(self._filenode)
if not renamed:
return renamed
if self.rev() == self.linkrev():
return renamed
name = self.path()
fnode = self._filenode
for p in self._changectx.parents():
try:
if fnode == p.filenode(name):
return None
except error.LookupError:
pass
return renamed
def parents(self):
p = self._path
fl = self._filelog
pl = [(p, n, fl) for n in self._filelog.parents(self._filenode)]
r = self._filelog.renamed(self._filenode)
if r:
pl[0] = (r[0], r[1], None)
return [filectx(self._repo, p, fileid=n, filelog=l)
for p, n, l in pl if n != nullid]
def p1(self):
return self.parents()[0]
def p2(self):
p = self.parents()
if len(p) == 2:
return p[1]
return filectx(self._repo, self._path, fileid=-1, filelog=self._filelog)
def children(self):
# hard for renames
c = self._filelog.children(self._filenode)
return [filectx(self._repo, self._path, fileid=x,
filelog=self._filelog) for x in c]
def annotate(self, follow=False, linenumber=None, diffopts=None):
'''returns a list of tuples of (ctx, line) for each line
in the file, where ctx is the filectx of the node where
that line was last changed.
This returns tuples of ((ctx, linenumber), line) for each line,
if "linenumber" parameter is NOT "None".
In such tuples, linenumber means one at the first appearance
in the managed file.
To reduce annotation cost,
this returns fixed value(False is used) as linenumber,
if "linenumber" parameter is "False".'''
def decorate_compat(text, rev):
return ([rev] * len(text.splitlines()), text)
def without_linenumber(text, rev):
return ([(rev, False)] * len(text.splitlines()), text)
def with_linenumber(text, rev):
size = len(text.splitlines())
return ([(rev, i) for i in xrange(1, size + 1)], text)
decorate = (((linenumber is None) and decorate_compat) or
(linenumber and with_linenumber) or
without_linenumber)
def pair(parent, child):
blocks = mdiff.allblocks(parent[1], child[1], opts=diffopts,
refine=True)
for (a1, a2, b1, b2), t in blocks:
# Changed blocks ('!') or blocks made only of blank lines ('~')
# belong to the child.
if t == '=':
child[0][b1:b2] = parent[0][a1:a2]
return child
getlog = util.lrucachefunc(lambda x: self._repo.file(x))
def getctx(path, fileid):
log = path == self._path and self._filelog or getlog(path)
return filectx(self._repo, path, fileid=fileid, filelog=log)
getctx = util.lrucachefunc(getctx)
def parents(f):
# we want to reuse filectx objects as much as possible
p = f._path
if f._filerev is None: # working dir
pl = [(n.path(), n.filerev()) for n in f.parents()]
else:
pl = [(p, n) for n in f._filelog.parentrevs(f._filerev)]
if follow:
r = f.renamed()
if r:
pl[0] = (r[0], getlog(r[0]).rev(r[1]))
return [getctx(p, n) for p, n in pl if n != nullrev]
# use linkrev to find the first changeset where self appeared
if self.rev() != self.linkrev():
base = self.filectx(self.filerev())
else:
base = self
# This algorithm would prefer to be recursive, but Python is a
# bit recursion-hostile. Instead we do an iterative
# depth-first search.
visit = [base]
hist = {}
pcache = {}
needed = {base: 1}
while visit:
f = visit[-1]
pcached = f in pcache
if not pcached:
pcache[f] = parents(f)
ready = True
pl = pcache[f]
for p in pl:
if p not in hist:
ready = False
visit.append(p)
if not pcached:
needed[p] = needed.get(p, 0) + 1
if ready:
visit.pop()
reusable = f in hist
if reusable:
curr = hist[f]
else:
curr = decorate(f.data(), f)
for p in pl:
if not reusable:
curr = pair(hist[p], curr)
if needed[p] == 1:
del hist[p]
del needed[p]
else:
needed[p] -= 1
hist[f] = curr
pcache[f] = []
return zip(hist[base][0], hist[base][1].splitlines(True))
def ancestor(self, fc2, actx):
"""
find the common ancestor file context, if any, of self, and fc2
actx must be the changectx of the common ancestor
of self's and fc2's respective changesets.
"""
# the easy case: no (relevant) renames
if fc2.path() == self.path() and self.path() in actx:
return actx[self.path()]
# the next easiest cases: unambiguous predecessor (name trumps
# history)
if self.path() in actx and fc2.path() not in actx:
return actx[self.path()]
if fc2.path() in actx and self.path() not in actx:
return actx[fc2.path()]
# prime the ancestor cache for the working directory
acache = {}
for c in (self, fc2):
if c._filerev is None:
pl = [(n.path(), n.filenode()) for n in c.parents()]
acache[(c._path, None)] = pl
flcache = {self._repopath:self._filelog, fc2._repopath:fc2._filelog}
def parents(vertex):
if vertex in acache:
return acache[vertex]
f, n = vertex
if f not in flcache:
flcache[f] = self._repo.file(f)
fl = flcache[f]
pl = [(f, p) for p in fl.parents(n) if p != nullid]
re = fl.renamed(n)
if re:
pl.append(re)
acache[vertex] = pl
return pl
a, b = (self._path, self._filenode), (fc2._path, fc2._filenode)
v = ancestor.genericancestor(a, b, parents)
if v:
f, n = v
return filectx(self._repo, f, fileid=n, filelog=flcache[f])
return None
def ancestors(self, followfirst=False):
visit = {}
c = self
cut = followfirst and 1 or None
while True:
for parent in c.parents()[:cut]:
visit[(parent.rev(), parent.node())] = parent
if not visit:
break
c = visit.pop(max(visit))
yield c
def copies(self, c2):
if not util.safehasattr(self, "_copycache"):
self._copycache = {}
sc2 = str(c2)
if sc2 not in self._copycache:
self._copycache[sc2] = copies.pathcopies(c2)
return self._copycache[sc2]
class workingctx(changectx):
"""A workingctx object makes access to data related to
the current working directory convenient.
date - any valid date string or (unixtime, offset), or None.
user - username string, or None.
extra - a dictionary of extra values, or None.
changes - a list of file lists as returned by localrepo.status()
or None to use the repository status.
"""
def __init__(self, repo, text="", user=None, date=None, extra=None,
changes=None):
self._repo = repo
self._rev = None
self._node = None
self._text = text
if date:
self._date = util.parsedate(date)
if user:
self._user = user
if changes:
self._status = list(changes[:4])
self._unknown = changes[4]
self._ignored = changes[5]
self._clean = changes[6]
else:
self._unknown = None
self._ignored = None
self._clean = None
self._extra = {}
if extra:
self._extra = extra.copy()
if 'branch' not in self._extra:
try:
branch = encoding.fromlocal(self._repo.dirstate.branch())
except UnicodeDecodeError:
raise util.Abort(_('branch name not in UTF-8!'))
self._extra['branch'] = branch
if self._extra['branch'] == '':
self._extra['branch'] = 'default'
def __str__(self):
return str(self._parents[0]) + "+"
def __repr__(self):
return "<workingctx %s>" % str(self)
def __nonzero__(self):
return True
def __contains__(self, key):
return self._repo.dirstate[key] not in "?r"
def _buildflagfunc(self):
# Create a fallback function for getting file flags when the
# filesystem doesn't support them
copiesget = self._repo.dirstate.copies().get
if len(self._parents) < 2:
# when we have one parent, it's easy: copy from parent
man = self._parents[0].manifest()
def func(f):
f = copiesget(f, f)
return man.flags(f)
else:
# merges are tricky: we try to reconstruct the unstored
# result from the merge (issue1802)
p1, p2 = self._parents
pa = p1.ancestor(p2)
m1, m2, ma = p1.manifest(), p2.manifest(), pa.manifest()
def func(f):
f = copiesget(f, f) # may be wrong for merges with copies
fl1, fl2, fla = m1.flags(f), m2.flags(f), ma.flags(f)
if fl1 == fl2:
return fl1
if fl1 == fla:
return fl2
if fl2 == fla:
return fl1
return '' # punt for conflicts
return func
@propertycache
def _flagfunc(self):
return self._repo.dirstate.flagfunc(self._buildflagfunc)
@propertycache
def _manifest(self):
"""generate a manifest corresponding to the working directory"""
man = self._parents[0].manifest().copy()
if len(self._parents) > 1:
man2 = self.p2().manifest()
def getman(f):
if f in man:
return man
return man2
else:
getman = lambda f: man
copied = self._repo.dirstate.copies()
ff = self._flagfunc
modified, added, removed, deleted = self._status
for i, l in (("a", added), ("m", modified)):
for f in l:
orig = copied.get(f, f)
man[f] = getman(orig).get(orig, nullid) + i
try:
man.set(f, ff(f))
except OSError:
pass
for f in deleted + removed:
if f in man:
del man[f]
return man
def __iter__(self):
d = self._repo.dirstate
for f in d:
if d[f] != 'r':
yield f
@propertycache
def _status(self):
return self._repo.status()[:4]
@propertycache
def _user(self):
return self._repo.ui.username()
@propertycache
def _date(self):
return util.makedate()
@propertycache
def _parents(self):
p = self._repo.dirstate.parents()
if p[1] == nullid:
p = p[:-1]
return [changectx(self._repo, x) for x in p]
def status(self, ignored=False, clean=False, unknown=False):
"""Explicit status query
Unless this method is used to query the working copy status, the
_status property will implicitly read the status using its default
arguments."""
stat = self._repo.status(ignored=ignored, clean=clean, unknown=unknown)
self._unknown = self._ignored = self._clean = None
if unknown:
self._unknown = stat[4]
if ignored:
self._ignored = stat[5]
if clean:
self._clean = stat[6]
self._status = stat[:4]
return stat
def manifest(self):
return self._manifest
def user(self):
return self._user or self._repo.ui.username()
def date(self):
return self._date
def description(self):
return self._text
def files(self):
return sorted(self._status[0] + self._status[1] + self._status[2])
def modified(self):
return self._status[0]
def added(self):
return self._status[1]
def removed(self):
return self._status[2]
def deleted(self):
return self._status[3]
def unknown(self):
assert self._unknown is not None # must call status first
return self._unknown
def ignored(self):
assert self._ignored is not None # must call status first
return self._ignored
def clean(self):
assert self._clean is not None # must call status first
return self._clean
def branch(self):
return encoding.tolocal(self._extra['branch'])
def closesbranch(self):
return 'close' in self._extra
def extra(self):
return self._extra
def tags(self):
t = []
for p in self.parents():
t.extend(p.tags())
return t
def bookmarks(self):
b = []
for p in self.parents():
b.extend(p.bookmarks())
return b
def phase(self):
phase = phases.draft # default phase to draft
for p in self.parents():
phase = max(phase, p.phase())
return phase
def hidden(self):
return False
def children(self):
return []
def flags(self, path):
if '_manifest' in self.__dict__:
try:
return self._manifest.flags(path)
except KeyError:
return ''
try:
return self._flagfunc(path)
except OSError:
return ''
def filectx(self, path, filelog=None):
"""get a file context from the working directory"""
return workingfilectx(self._repo, path, workingctx=self,
filelog=filelog)
def ancestor(self, c2):
"""return the ancestor context of self and c2"""
return self._parents[0].ancestor(c2) # punt on two parents for now
def walk(self, match):
return sorted(self._repo.dirstate.walk(match, sorted(self.substate),
True, False))
def dirty(self, missing=False, merge=True, branch=True):
"check whether a working directory is modified"
# check subrepos first
for s in sorted(self.substate):
if self.sub(s).dirty():
return True
# check current working dir
return ((merge and self.p2()) or
(branch and self.branch() != self.p1().branch()) or
self.modified() or self.added() or self.removed() or
(missing and self.deleted()))
def add(self, list, prefix=""):
join = lambda f: os.path.join(prefix, f)
wlock = self._repo.wlock()
ui, ds = self._repo.ui, self._repo.dirstate
try:
rejected = []
for f in list:
scmutil.checkportable(ui, join(f))
p = self._repo.wjoin(f)
try:
st = os.lstat(p)
except OSError:
ui.warn(_("%s does not exist!\n") % join(f))
rejected.append(f)
continue
if st.st_size > 10000000:
ui.warn(_("%s: up to %d MB of RAM may be required "
"to manage this file\n"
"(use 'hg revert %s' to cancel the "
"pending addition)\n")
% (f, 3 * st.st_size // 1000000, join(f)))
if not (stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode)):
ui.warn(_("%s not added: only files and symlinks "
"supported currently\n") % join(f))
rejected.append(p)
elif ds[f] in 'amn':
ui.warn(_("%s already tracked!\n") % join(f))
elif ds[f] == 'r':
ds.normallookup(f)
else:
ds.add(f)
return rejected
finally:
wlock.release()
def forget(self, files, prefix=""):
join = lambda f: os.path.join(prefix, f)
wlock = self._repo.wlock()
try:
rejected = []
for f in files:
if f not in self._repo.dirstate:
self._repo.ui.warn(_("%s not tracked!\n") % join(f))
rejected.append(f)
elif self._repo.dirstate[f] != 'a':
self._repo.dirstate.remove(f)
else:
self._repo.dirstate.drop(f)
return rejected
finally:
wlock.release()
def ancestors(self):
for a in self._repo.changelog.ancestors(
[p.rev() for p in self._parents]):
yield changectx(self._repo, a)
def undelete(self, list):
pctxs = self.parents()
wlock = self._repo.wlock()
try:
for f in list:
if self._repo.dirstate[f] != 'r':
self._repo.ui.warn(_("%s not removed!\n") % f)
else:
fctx = f in pctxs[0] and pctxs[0][f] or pctxs[1][f]
t = fctx.data()
self._repo.wwrite(f, t, fctx.flags())
self._repo.dirstate.normal(f)
finally:
wlock.release()
def copy(self, source, dest):
p = self._repo.wjoin(dest)
if not os.path.lexists(p):
self._repo.ui.warn(_("%s does not exist!\n") % dest)
elif not (os.path.isfile(p) or os.path.islink(p)):
self._repo.ui.warn(_("copy failed: %s is not a file or a "
"symbolic link\n") % dest)
else:
wlock = self._repo.wlock()
try:
if self._repo.dirstate[dest] in '?r':
self._repo.dirstate.add(dest)
self._repo.dirstate.copy(source, dest)
finally:
wlock.release()
def markcommitted(self, node):
"""Perform post-commit cleanup necessary after committing this ctx
Specifically, this updates backing stores this working context
wraps to reflect the fact that the changes reflected by this
workingctx have been committed. For example, it marks
modified and added files as normal in the dirstate.
"""
for f in self.modified() + self.added():
self._repo.dirstate.normal(f)
for f in self.removed():
self._repo.dirstate.drop(f)
self._repo.dirstate.setparents(node)
def dirs(self):
return self._repo.dirstate.dirs()
class workingfilectx(filectx):
"""A workingfilectx object makes access to data related to a particular
file in the working directory convenient."""
def __init__(self, repo, path, filelog=None, workingctx=None):
"""changeid can be a changeset revision, node, or tag.
fileid can be a file revision or node."""
self._repo = repo
self._path = path
self._changeid = None
self._filerev = self._filenode = None
if filelog:
self._filelog = filelog
if workingctx:
self._changectx = workingctx
@propertycache
def _changectx(self):
return workingctx(self._repo)
def __nonzero__(self):
return True
def __str__(self):
return "%s@%s" % (self.path(), self._changectx)
def __repr__(self):
return "<workingfilectx %s>" % str(self)
def data(self):
return self._repo.wread(self._path)
def renamed(self):
rp = self._repo.dirstate.copied(self._path)
if not rp:
return None
return rp, self._changectx._parents[0]._manifest.get(rp, nullid)
def parents(self):
'''return parent filectxs, following copies if necessary'''
def filenode(ctx, path):
return ctx._manifest.get(path, nullid)
path = self._path
fl = self._filelog
pcl = self._changectx._parents
renamed = self.renamed()
if renamed:
pl = [renamed + (None,)]
else:
pl = [(path, filenode(pcl[0], path), fl)]
for pc in pcl[1:]:
pl.append((path, filenode(pc, path), fl))
return [filectx(self._repo, p, fileid=n, filelog=l)
for p, n, l in pl if n != nullid]
def children(self):
return []
def size(self):
return os.lstat(self._repo.wjoin(self._path)).st_size
def date(self):
t, tz = self._changectx.date()
try:
return (int(os.lstat(self._repo.wjoin(self._path)).st_mtime), tz)
except OSError, err:
if err.errno != errno.ENOENT:
raise
return (t, tz)
def cmp(self, fctx):
"""compare with other file context
returns True if different than fctx.
"""
# fctx should be a filectx (not a workingfilectx)
# invert comparison to reuse the same code path
return fctx.cmp(self)
class memctx(object):
"""Use memctx to perform in-memory commits via localrepo.commitctx().
Revision information is supplied at initialization time while
related files data and is made available through a callback
mechanism. 'repo' is the current localrepo, 'parents' is a
sequence of two parent revisions identifiers (pass None for every
missing parent), 'text' is the commit message and 'files' lists
names of files touched by the revision (normalized and relative to
repository root).
filectxfn(repo, memctx, path) is a callable receiving the
repository, the current memctx object and the normalized path of
requested file, relative to repository root. It is fired by the
commit function for every file in 'files', but calls order is
undefined. If the file is available in the revision being
committed (updated or added), filectxfn returns a memfilectx
object. If the file was removed, filectxfn raises an
IOError. Moved files are represented by marking the source file
removed and the new file added with copy information (see
memfilectx).
user receives the committer name and defaults to current
repository username, date is the commit date in any format
supported by util.parsedate() and defaults to current date, extra
is a dictionary of metadata or is left empty.
"""
def __init__(self, repo, parents, text, files, filectxfn, user=None,
date=None, extra=None):
self._repo = repo
self._rev = None
self._node = None
self._text = text
self._date = date and util.parsedate(date) or util.makedate()
self._user = user
parents = [(p or nullid) for p in parents]
p1, p2 = parents
self._parents = [changectx(self._repo, p) for p in (p1, p2)]
files = sorted(set(files))
self._status = [files, [], [], [], []]
self._filectxfn = filectxfn
self._extra = extra and extra.copy() or {}
if self._extra.get('branch', '') == '':
self._extra['branch'] = 'default'
def __str__(self):
return str(self._parents[0]) + "+"
def __int__(self):
return self._rev
def __nonzero__(self):
return True
def __getitem__(self, key):
return self.filectx(key)
def p1(self):
return self._parents[0]
def p2(self):
return self._parents[1]
def user(self):
return self._user or self._repo.ui.username()
def date(self):
return self._date
def description(self):
return self._text
def files(self):
return self.modified()
def modified(self):
return self._status[0]
def added(self):
return self._status[1]
def removed(self):
return self._status[2]
def deleted(self):
return self._status[3]
def unknown(self):
return self._status[4]
def ignored(self):
return self._status[5]
def clean(self):
return self._status[6]
def branch(self):
return encoding.tolocal(self._extra['branch'])
def extra(self):
return self._extra
def flags(self, f):
return self[f].flags()
def parents(self):
"""return contexts for each parent changeset"""
return self._parents
def filectx(self, path, filelog=None):
"""get a file context from the working directory"""
return self._filectxfn(self._repo, self, path)
def commit(self):
"""commit context to the repo"""
return self._repo.commitctx(self)
class memfilectx(object):
"""memfilectx represents an in-memory file to commit.
See memctx for more details.
"""
def __init__(self, path, data, islink=False, isexec=False, copied=None):
"""
path is the normalized file path relative to repository root.
data is the file content as a string.
islink is True if the file is a symbolic link.
isexec is True if the file is executable.
copied is the source file path if current file was copied in the
revision being committed, or None."""
self._path = path
self._data = data
self._flags = (islink and 'l' or '') + (isexec and 'x' or '')
self._copied = None
if copied:
self._copied = (copied, nullid)
def __nonzero__(self):
return True
def __str__(self):
return "%s@%s" % (self.path(), self._changectx)
def path(self):
return self._path
def data(self):
return self._data
def flags(self):
return self._flags
def isexec(self):
return 'x' in self._flags
def islink(self):
return 'l' in self._flags
def renamed(self):
return self._copied
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