merge: set custom conflict label for base commit
Differential Revision: https://phab.mercurial-scm.org/D12021
# logcmdutil.py - utility for log-like commands
#
# Copyright 2005-2007 Olivia Mackall <olivia@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 __future__ import absolute_import
import itertools
import os
import posixpath
from .i18n import _
from .node import nullrev, wdirrev
from .thirdparty import attr
from . import (
dagop,
error,
formatter,
graphmod,
match as matchmod,
mdiff,
merge,
patch,
pathutil,
pycompat,
revset,
revsetlang,
scmutil,
smartset,
templatekw,
templater,
util,
)
from .utils import (
dateutil,
stringutil,
)
if pycompat.TYPE_CHECKING:
from typing import (
Any,
Callable,
Dict,
Optional,
Sequence,
Tuple,
)
for t in (Any, Callable, Dict, Optional, Tuple):
assert t
def getlimit(opts):
"""get the log limit according to option -l/--limit"""
limit = opts.get(b'limit')
if limit:
try:
limit = int(limit)
except ValueError:
raise error.InputError(_(b'limit must be a positive integer'))
if limit <= 0:
raise error.InputError(_(b'limit must be positive'))
else:
limit = None
return limit
def diff_parent(ctx):
"""get the context object to use as parent when diffing
If diff.merge is enabled, an overlayworkingctx of the auto-merged parents will be returned.
"""
repo = ctx.repo()
if repo.ui.configbool(b"diff", b"merge") and ctx.p2().rev() != nullrev:
# avoid cycle context -> subrepo -> cmdutil -> logcmdutil
from . import context
wctx = context.overlayworkingctx(repo)
wctx.setbase(ctx.p1())
with repo.ui.configoverride(
{
(
b"ui",
b"forcemerge",
): b"internal:merge3-lie-about-conflicts",
},
b"merge-diff",
):
with repo.ui.silent():
merge.merge(ctx.p2(), wc=wctx)
return wctx
else:
return ctx.p1()
def diffordiffstat(
ui,
repo,
diffopts,
ctx1,
ctx2,
match,
changes=None,
stat=False,
fp=None,
graphwidth=0,
prefix=b'',
root=b'',
listsubrepos=False,
hunksfilterfn=None,
):
'''show diff or diffstat.'''
if root:
relroot = pathutil.canonpath(repo.root, repo.getcwd(), root)
else:
relroot = b''
copysourcematch = None
def compose(f, g):
return lambda x: f(g(x))
def pathfn(f):
return posixpath.join(prefix, f)
if relroot != b'':
# XXX relative roots currently don't work if the root is within a
# subrepo
uipathfn = scmutil.getuipathfn(repo, legacyrelativevalue=True)
uirelroot = uipathfn(pathfn(relroot))
relroot += b'/'
for matchroot in match.files():
if not matchroot.startswith(relroot):
ui.warn(
_(b'warning: %s not inside relative root %s\n')
% (uipathfn(pathfn(matchroot)), uirelroot)
)
relrootmatch = scmutil.match(ctx2, pats=[relroot], default=b'path')
match = matchmod.intersectmatchers(match, relrootmatch)
copysourcematch = relrootmatch
checkroot = repo.ui.configbool(
b'devel', b'all-warnings'
) or repo.ui.configbool(b'devel', b'check-relroot')
def relrootpathfn(f):
if checkroot and not f.startswith(relroot):
raise AssertionError(
b"file %s doesn't start with relroot %s" % (f, relroot)
)
return f[len(relroot) :]
pathfn = compose(relrootpathfn, pathfn)
if stat:
diffopts = diffopts.copy(context=0, noprefix=False)
width = 80
if not ui.plain():
width = ui.termwidth() - graphwidth
# If an explicit --root was given, don't respect ui.relative-paths
if not relroot:
pathfn = compose(scmutil.getuipathfn(repo), pathfn)
chunks = ctx2.diff(
ctx1,
match,
changes,
opts=diffopts,
pathfn=pathfn,
copysourcematch=copysourcematch,
hunksfilterfn=hunksfilterfn,
)
if fp is not None or ui.canwritewithoutlabels():
out = fp or ui
if stat:
chunks = [patch.diffstat(util.iterlines(chunks), width=width)]
for chunk in util.filechunkiter(util.chunkbuffer(chunks)):
out.write(chunk)
else:
if stat:
chunks = patch.diffstatui(util.iterlines(chunks), width=width)
else:
chunks = patch.difflabel(
lambda chunks, **kwargs: chunks, chunks, opts=diffopts
)
if ui.canbatchlabeledwrites():
def gen():
for chunk, label in chunks:
yield ui.label(chunk, label=label)
for chunk in util.filechunkiter(util.chunkbuffer(gen())):
ui.write(chunk)
else:
for chunk, label in chunks:
ui.write(chunk, label=label)
node2 = ctx2.node()
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.subdirmatcher(subpath, match)
subprefix = repo.wvfs.reljoin(prefix, subpath)
if listsubrepos or match.exact(subpath) or any(submatch.files()):
sub.diff(
ui,
diffopts,
tempnode2,
submatch,
changes=changes,
stat=stat,
fp=fp,
prefix=subprefix,
)
class changesetdiffer(object):
"""Generate diff of changeset with pre-configured filtering functions"""
def _makefilematcher(self, ctx):
return scmutil.matchall(ctx.repo())
def _makehunksfilter(self, ctx):
return None
def showdiff(self, ui, ctx, diffopts, graphwidth=0, stat=False):
diffordiffstat(
ui,
ctx.repo(),
diffopts,
diff_parent(ctx),
ctx,
match=self._makefilematcher(ctx),
stat=stat,
graphwidth=graphwidth,
hunksfilterfn=self._makehunksfilter(ctx),
)
def changesetlabels(ctx):
labels = [b'log.changeset', b'changeset.%s' % ctx.phasestr()]
if ctx.obsolete():
labels.append(b'changeset.obsolete')
if ctx.isunstable():
labels.append(b'changeset.unstable')
for instability in ctx.instabilities():
labels.append(b'instability.%s' % instability)
return b' '.join(labels)
class changesetprinter(object):
'''show changeset information when templating not requested.'''
def __init__(self, ui, repo, differ=None, diffopts=None, buffered=False):
self.ui = ui
self.repo = repo
self.buffered = buffered
self._differ = differ or changesetdiffer()
self._diffopts = patch.diffallopts(ui, diffopts)
self._includestat = diffopts and diffopts.get(b'stat')
self._includediff = diffopts and diffopts.get(b'patch')
self.header = {}
self.hunk = {}
self.lastheader = None
self.footer = None
self._columns = templatekw.getlogcolumns()
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]
def close(self):
if self.footer:
self.ui.write(self.footer)
def show(self, ctx, copies=None, **props):
props = pycompat.byteskwargs(props)
if self.buffered:
self.ui.pushbuffer(labeled=True)
self._show(ctx, copies, props)
self.hunk[ctx.rev()] = self.ui.popbuffer()
else:
self._show(ctx, copies, props)
def _show(self, ctx, copies, props):
'''show a single changeset or file revision'''
changenode = ctx.node()
graphwidth = props.get(b'graphwidth', 0)
if self.ui.quiet:
self.ui.write(
b"%s\n" % scmutil.formatchangeid(ctx), label=b'log.node'
)
return
columns = self._columns
self.ui.write(
columns[b'changeset'] % scmutil.formatchangeid(ctx),
label=changesetlabels(ctx),
)
# branches are shown first before any other names due to backwards
# compatibility
branch = ctx.branch()
# don't show the default branch name
if branch != b'default':
self.ui.write(columns[b'branch'] % branch, label=b'log.branch')
for nsname, ns in pycompat.iteritems(self.repo.names):
# branches has special logic already handled above, so here we just
# skip it
if nsname == b'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=b'log.%s' % ns.colorname)
if self.ui.debugflag:
self.ui.write(
columns[b'phase'] % ctx.phasestr(), label=b'log.phase'
)
for pctx in scmutil.meaningfulparents(self.repo, ctx):
label = b'log.parent changeset.%s' % pctx.phasestr()
self.ui.write(
columns[b'parent'] % scmutil.formatchangeid(pctx), label=label
)
if self.ui.debugflag:
mnode = ctx.manifestnode()
if mnode is None:
mnode = self.repo.nodeconstants.wdirid
mrev = wdirrev
else:
mrev = self.repo.manifestlog.rev(mnode)
self.ui.write(
columns[b'manifest']
% scmutil.formatrevnode(self.ui, mrev, mnode),
label=b'ui.debug log.manifest',
)
self.ui.write(columns[b'user'] % ctx.user(), label=b'log.user')
self.ui.write(
columns[b'date'] % dateutil.datestr(ctx.date()), label=b'log.date'
)
if ctx.isunstable():
instabilities = ctx.instabilities()
self.ui.write(
columns[b'instability'] % b', '.join(instabilities),
label=b'log.instability',
)
elif ctx.obsolete():
self._showobsfate(ctx)
self._exthook(ctx)
if self.ui.debugflag:
files = ctx.p1().status(ctx)
for key, value in zip(
[b'files', b'files+', b'files-'],
[files.modified, files.added, files.removed],
):
if value:
self.ui.write(
columns[key] % b" ".join(value),
label=b'ui.debug log.files',
)
elif ctx.files() and self.ui.verbose:
self.ui.write(
columns[b'files'] % b" ".join(ctx.files()),
label=b'ui.note log.files',
)
if copies and self.ui.verbose:
copies = [b'%s (%s)' % c for c in copies]
self.ui.write(
columns[b'copies'] % b' '.join(copies),
label=b'ui.note log.copies',
)
extra = ctx.extra()
if extra and self.ui.debugflag:
for key, value in sorted(extra.items()):
self.ui.write(
columns[b'extra'] % (key, stringutil.escapestr(value)),
label=b'ui.debug log.extra',
)
description = ctx.description().strip()
if description:
if self.ui.verbose:
self.ui.write(
_(b"description:\n"), label=b'ui.note log.description'
)
self.ui.write(description, label=b'ui.note log.description')
self.ui.write(b"\n\n")
else:
self.ui.write(
columns[b'summary'] % description.splitlines()[0],
label=b'log.summary',
)
self.ui.write(b"\n")
self._showpatch(ctx, graphwidth)
def _showobsfate(self, ctx):
# TODO: do not depend on templater
tres = formatter.templateresources(self.repo.ui, self.repo)
t = formatter.maketemplater(
self.repo.ui,
b'{join(obsfate, "\n")}',
defaults=templatekw.keywords,
resources=tres,
)
obsfate = t.renderdefault({b'ctx': ctx}).splitlines()
if obsfate:
for obsfateline in obsfate:
self.ui.write(
self._columns[b'obsolete'] % obsfateline,
label=b'log.obsfate',
)
def _exthook(self, ctx):
"""empty method used by extension as a hook point"""
def _showpatch(self, ctx, graphwidth=0):
if self._includestat:
self._differ.showdiff(
self.ui, ctx, self._diffopts, graphwidth, stat=True
)
if self._includestat and self._includediff:
self.ui.write(b"\n")
if self._includediff:
self._differ.showdiff(
self.ui, ctx, self._diffopts, graphwidth, stat=False
)
if self._includestat or self._includediff:
self.ui.write(b"\n")
class changesetformatter(changesetprinter):
"""Format changeset information by generic formatter"""
def __init__(
self, ui, repo, fm, differ=None, diffopts=None, buffered=False
):
changesetprinter.__init__(self, ui, repo, differ, diffopts, buffered)
self._diffopts = patch.difffeatureopts(ui, diffopts, git=True)
self._fm = fm
def close(self):
self._fm.end()
def _show(self, ctx, copies, props):
'''show a single changeset or file revision'''
fm = self._fm
fm.startitem()
fm.context(ctx=ctx)
fm.data(rev=scmutil.intrev(ctx), node=fm.hexfunc(scmutil.binnode(ctx)))
datahint = fm.datahint()
if self.ui.quiet and not datahint:
return
fm.data(
branch=ctx.branch(),
phase=ctx.phasestr(),
user=ctx.user(),
date=fm.formatdate(ctx.date()),
desc=ctx.description(),
bookmarks=fm.formatlist(ctx.bookmarks(), name=b'bookmark'),
tags=fm.formatlist(ctx.tags(), name=b'tag'),
parents=fm.formatlist(
[fm.hexfunc(c.node()) for c in ctx.parents()], name=b'node'
),
)
if self.ui.debugflag or b'manifest' in datahint:
fm.data(
manifest=fm.hexfunc(
ctx.manifestnode() or self.repo.nodeconstants.wdirid
)
)
if self.ui.debugflag or b'extra' in datahint:
fm.data(extra=fm.formatdict(ctx.extra()))
if (
self.ui.debugflag
or b'modified' in datahint
or b'added' in datahint
or b'removed' in datahint
):
files = ctx.p1().status(ctx)
fm.data(
modified=fm.formatlist(files.modified, name=b'file'),
added=fm.formatlist(files.added, name=b'file'),
removed=fm.formatlist(files.removed, name=b'file'),
)
verbose = not self.ui.debugflag and self.ui.verbose
if verbose or b'files' in datahint:
fm.data(files=fm.formatlist(ctx.files(), name=b'file'))
if verbose and copies or b'copies' in datahint:
fm.data(
copies=fm.formatdict(copies or {}, key=b'name', value=b'source')
)
if self._includestat or b'diffstat' in datahint:
self.ui.pushbuffer()
self._differ.showdiff(self.ui, ctx, self._diffopts, stat=True)
fm.data(diffstat=self.ui.popbuffer())
if self._includediff or b'diff' in datahint:
self.ui.pushbuffer()
self._differ.showdiff(self.ui, ctx, self._diffopts, stat=False)
fm.data(diff=self.ui.popbuffer())
class changesettemplater(changesetprinter):
"""format changeset information.
Note: there are a variety of convenience functions to build a
changesettemplater for common cases. See functions such as:
maketemplater, changesetdisplayer, buildcommittemplate, or other
functions that use changesest_templater.
"""
# Arguments before "buffered" used to be positional. Consider not
# adding/removing arguments before "buffered" to not break callers.
def __init__(
self, ui, repo, tmplspec, differ=None, diffopts=None, buffered=False
):
changesetprinter.__init__(self, ui, repo, differ, diffopts, buffered)
# tres is shared with _graphnodeformatter()
self._tresources = tres = formatter.templateresources(ui, repo)
self.t = formatter.loadtemplater(
ui,
tmplspec,
defaults=templatekw.keywords,
resources=tres,
cache=templatekw.defaulttempl,
)
self._counter = itertools.count()
self._tref = tmplspec.ref
self._parts = {
b'header': b'',
b'footer': b'',
tmplspec.ref: tmplspec.ref,
b'docheader': b'',
b'docfooter': b'',
b'separator': b'',
}
if tmplspec.mapfile:
# find correct templates for current mode, for backward
# compatibility with 'log -v/-q/--debug' using a mapfile
tmplmodes = [
(True, b''),
(self.ui.verbose, b'_verbose'),
(self.ui.quiet, b'_quiet'),
(self.ui.debugflag, b'_debug'),
]
for mode, postfix in tmplmodes:
for t in self._parts:
cur = t + postfix
if mode and cur in self.t:
self._parts[t] = cur
else:
partnames = [p for p in self._parts.keys() if p != tmplspec.ref]
m = formatter.templatepartsmap(tmplspec, self.t, partnames)
self._parts.update(m)
if self._parts[b'docheader']:
self.ui.write(self.t.render(self._parts[b'docheader'], {}))
def close(self):
if self._parts[b'docfooter']:
if not self.footer:
self.footer = b""
self.footer += self.t.render(self._parts[b'docfooter'], {})
return super(changesettemplater, self).close()
def _show(self, ctx, copies, props):
'''show a single changeset or file revision'''
props = props.copy()
props[b'ctx'] = ctx
props[b'index'] = index = next(self._counter)
props[b'revcache'] = {b'copies': copies}
graphwidth = props.get(b'graphwidth', 0)
# write separator, which wouldn't work well with the header part below
# since there's inherently a conflict between header (across items) and
# separator (per item)
if self._parts[b'separator'] and index > 0:
self.ui.write(self.t.render(self._parts[b'separator'], {}))
# write header
if self._parts[b'header']:
h = self.t.render(self._parts[b'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[self._tref]
self.ui.write(self.t.render(key, props))
self._exthook(ctx)
self._showpatch(ctx, graphwidth)
if self._parts[b'footer']:
if not self.footer:
self.footer = self.t.render(self._parts[b'footer'], props)
def templatespec(tmpl, mapfile):
assert not (tmpl and mapfile)
if mapfile:
return formatter.mapfile_templatespec(b'changeset', mapfile)
else:
return formatter.literal_templatespec(tmpl)
def _lookuptemplate(ui, tmpl, style):
"""Find the template matching the given template spec or style
See formatter.lookuptemplate() for details.
"""
# ui settings
if not tmpl and not style: # template are stronger than style
tmpl = ui.config(b'command-templates', b'log')
if tmpl:
return formatter.literal_templatespec(templater.unquotestring(tmpl))
else:
style = util.expandpath(ui.config(b'ui', b'style'))
if not tmpl and style:
mapfile = style
fp = None
if not os.path.split(mapfile)[0]:
(mapname, fp) = templater.try_open_template(
b'map-cmdline.' + mapfile
) or templater.try_open_template(mapfile)
if mapname:
mapfile = mapname
return formatter.mapfile_templatespec(b'changeset', mapfile, fp)
return formatter.lookuptemplate(ui, b'changeset', tmpl)
def maketemplater(ui, repo, tmpl, buffered=False):
"""Create a changesettemplater from a literal template 'tmpl'
byte-string."""
spec = formatter.literal_templatespec(tmpl)
return changesettemplater(ui, repo, spec, buffered=buffered)
def changesetdisplayer(ui, repo, opts, differ=None, 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. [command-templates] setting 'log'
4. [ui] setting 'style'
If all of these values are either the unset or the empty string,
regular display via changesetprinter() is done.
"""
postargs = (differ, opts, buffered)
spec = _lookuptemplate(ui, opts.get(b'template'), opts.get(b'style'))
# machine-readable formats have slightly different keyword set than
# plain templates, which are handled by changesetformatter.
# note that {b'pickle', b'debug'} can also be added to the list if needed.
if spec.ref in {b'cbor', b'json'}:
fm = ui.formatter(b'log', opts)
return changesetformatter(ui, repo, fm, *postargs)
if not spec.ref and not spec.tmpl and not spec.mapfile:
return changesetprinter(ui, repo, *postargs)
return changesettemplater(ui, repo, spec, *postargs)
@attr.s
class walkopts(object):
"""Options to configure a set of revisions and file matcher factory
to scan revision/file history
"""
# raw command-line parameters, which a matcher will be built from
pats = attr.ib()
opts = attr.ib()
# a list of revset expressions to be traversed; if follow, it specifies
# the start revisions
revspec = attr.ib()
# miscellaneous queries to filter revisions (see "hg help log" for details)
bookmarks = attr.ib(default=attr.Factory(list))
branches = attr.ib(default=attr.Factory(list))
date = attr.ib(default=None)
keywords = attr.ib(default=attr.Factory(list))
no_merges = attr.ib(default=False)
only_merges = attr.ib(default=False)
prune_ancestors = attr.ib(default=attr.Factory(list))
users = attr.ib(default=attr.Factory(list))
# miscellaneous matcher arguments
include_pats = attr.ib(default=attr.Factory(list))
exclude_pats = attr.ib(default=attr.Factory(list))
# 0: no follow, 1: follow first, 2: follow both parents
follow = attr.ib(default=0)
# do not attempt filelog-based traversal, which may be fast but cannot
# include revisions where files were removed
force_changelog_traversal = attr.ib(default=False)
# filter revisions by file patterns, which should be disabled only if
# you want to include revisions where files were unmodified
filter_revisions_by_pats = attr.ib(default=True)
# sort revisions prior to traversal: 'desc', 'topo', or None
sort_revisions = attr.ib(default=None)
# limit number of changes displayed; None means unlimited
limit = attr.ib(default=None)
def parseopts(ui, pats, opts):
# type: (Any, Sequence[bytes], Dict[bytes, Any]) -> walkopts
"""Parse log command options into walkopts
The returned walkopts will be passed in to getrevs() or makewalker().
"""
if opts.get(b'follow_first'):
follow = 1
elif opts.get(b'follow'):
follow = 2
else:
follow = 0
if opts.get(b'graph'):
if ui.configbool(b'experimental', b'log.topo'):
sort_revisions = b'topo'
else:
sort_revisions = b'desc'
else:
sort_revisions = None
return walkopts(
pats=pats,
opts=opts,
revspec=opts.get(b'rev', []),
bookmarks=opts.get(b'bookmark', []),
# branch and only_branch are really aliases and must be handled at
# the same time
branches=opts.get(b'branch', []) + opts.get(b'only_branch', []),
date=opts.get(b'date'),
keywords=opts.get(b'keyword', []),
no_merges=bool(opts.get(b'no_merges')),
only_merges=bool(opts.get(b'only_merges')),
prune_ancestors=opts.get(b'prune', []),
users=opts.get(b'user', []),
include_pats=opts.get(b'include', []),
exclude_pats=opts.get(b'exclude', []),
follow=follow,
force_changelog_traversal=bool(opts.get(b'removed')),
sort_revisions=sort_revisions,
limit=getlimit(opts),
)
def _makematcher(repo, revs, wopts):
"""Build matcher and expanded patterns from log options
If --follow, revs are the revisions to follow from.
Returns (match, pats, slowpath) where
- match: a matcher built from the given pats and -I/-X opts
- pats: patterns used (globs are expanded on Windows)
- slowpath: True if patterns aren't as simple as scanning filelogs
"""
# pats/include/exclude are passed to match.match() directly in
# _matchfiles() revset, but a log-like command should build 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, wopts.pats, wopts.opts)
slowpath = match.anypats() or (
not match.always() and wopts.force_changelog_traversal
)
if not slowpath:
if wopts.follow and wopts.revspec:
# There may be the case that a path doesn't exist in some (but
# not all) of the specified start revisions, but let's consider
# the path is valid. Missing files will be warned by the matcher.
startctxs = [repo[r] for r in revs]
for f in match.files():
found = False
for c in startctxs:
if f in c:
found = True
elif c.hasdir(f):
# If a directory exists in any of the start revisions,
# take the slow path.
found = slowpath = True
if not found:
raise error.StateError(
_(
b'cannot follow file not in any of the specified '
b'revisions: "%s"'
)
% f
)
elif wopts.follow:
for f in match.files():
if 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.StateError(
_(
b'cannot follow file not in parent '
b'revision: "%s"'
)
% f
)
filelog = repo.file(f)
if not filelog:
# A file exists in wdir but not in history, which means
# the file isn't committed yet.
raise error.StateError(
_(b'cannot follow nonexistent file: "%s"') % f
)
else:
for f in match.files():
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.
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 not path or path in repo.store:
break
else:
slowpath = False
return match, pats, slowpath
def _fileancestors(repo, revs, match, followfirst):
fctxs = []
for r in revs:
ctx = repo[r]
fctxs.extend(ctx[f].introfilectx() for f in ctx.walk(match))
# 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 as a side effect
# of the graph traversal.
fcache = {}
def filematcher(ctx):
return scmutil.matchfiles(repo, fcache.get(scmutil.intrev(ctx), []))
def revgen():
for rev, cs in dagop.filectxancestors(fctxs, followfirst=followfirst):
fcache[rev] = [c.path() for c in cs]
yield rev
return smartset.generatorset(revgen(), iterasc=False), filematcher
def _makenofollowfilematcher(repo, pats, opts):
'''hook for extensions to override the filematcher for non-follow cases'''
return None
def revsingle(repo, revspec, default=b'.', localalias=None):
"""Resolves user-provided revset(s) into a single revision.
This just wraps the lower-level scmutil.revsingle() in order to raise an
exception indicating user error.
"""
try:
return scmutil.revsingle(repo, revspec, default, localalias)
except error.RepoLookupError as e:
raise error.InputError(e.args[0], hint=e.hint)
def revpair(repo, revs):
"""Resolves user-provided revset(s) into two revisions.
This just wraps the lower-level scmutil.revpair() in order to raise an
exception indicating user error.
"""
try:
return scmutil.revpair(repo, revs)
except error.RepoLookupError as e:
raise error.InputError(e.args[0], hint=e.hint)
def revrange(repo, specs, localalias=None):
"""Resolves user-provided revset(s).
This just wraps the lower-level scmutil.revrange() in order to raise an
exception indicating user error.
"""
try:
return scmutil.revrange(repo, specs, localalias)
except error.RepoLookupError as e:
raise error.InputError(e.args[0], hint=e.hint)
_opt2logrevset = {
b'no_merges': (b'not merge()', None),
b'only_merges': (b'merge()', None),
b'_matchfiles': (None, b'_matchfiles(%ps)'),
b'date': (b'date(%s)', None),
b'branch': (b'branch(%s)', b'%lr'),
b'_patslog': (b'filelog(%s)', b'%lr'),
b'keyword': (b'keyword(%s)', b'%lr'),
b'prune': (b'ancestors(%s)', b'not %lr'),
b'user': (b'user(%s)', b'%lr'),
}
def _makerevset(repo, wopts, slowpath):
"""Return a revset string built from log options and file patterns"""
opts = {
b'branch': [b'literal:' + repo.lookupbranch(b) for b in wopts.branches],
b'date': wopts.date,
b'keyword': wopts.keywords,
b'no_merges': wopts.no_merges,
b'only_merges': wopts.only_merges,
b'prune': wopts.prune_ancestors,
b'user': [b'literal:' + v for v in wopts.users],
}
if wopts.filter_revisions_by_pats and slowpath:
# pats/include/exclude cannot be represented as separate
# revset expressions as their filtering logic applies at file
# level. For instance "-I a -X b" 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 = [b'r:', b'd:relpath']
for p in wopts.pats:
matchargs.append(b'p:' + p)
for p in wopts.include_pats:
matchargs.append(b'i:' + p)
for p in wopts.exclude_pats:
matchargs.append(b'x:' + p)
opts[b'_matchfiles'] = matchargs
elif wopts.filter_revisions_by_pats and not wopts.follow:
opts[b'_patslog'] = list(wopts.pats)
expr = []
for op, val in sorted(pycompat.iteritems(opts)):
if not val:
continue
revop, listop = _opt2logrevset[op]
if revop and b'%' not in revop:
expr.append(revop)
elif not listop:
expr.append(revsetlang.formatspec(revop, val))
else:
if revop:
val = [revsetlang.formatspec(revop, v) for v in val]
expr.append(revsetlang.formatspec(listop, val))
if wopts.bookmarks:
expr.append(
revsetlang.formatspec(
b'%lr',
[scmutil.format_bookmark_revspec(v) for v in wopts.bookmarks],
)
)
if expr:
expr = b'(' + b' and '.join(expr) + b')'
else:
expr = None
return expr
def _initialrevs(repo, wopts):
"""Return the initial set of revisions to be filtered or followed"""
if wopts.revspec:
revs = revrange(repo, wopts.revspec)
elif wopts.follow and repo.dirstate.p1() == repo.nullid:
revs = smartset.baseset()
elif wopts.follow:
revs = repo.revs(b'.')
else:
revs = smartset.spanset(repo)
revs.reverse()
return revs
def makewalker(repo, wopts):
# type: (Any, walkopts) -> Tuple[smartset.abstractsmartset, Optional[Callable[[Any], matchmod.basematcher]]]
"""Build (revs, makefilematcher) to scan revision/file history
- revs is the smartset to be traversed.
- makefilematcher is a function to map ctx to a matcher for that revision
"""
revs = _initialrevs(repo, wopts)
if not revs:
return smartset.baseset(), None
# TODO: might want to merge slowpath with wopts.force_changelog_traversal
match, pats, slowpath = _makematcher(repo, revs, wopts)
wopts = attr.evolve(wopts, pats=pats)
filematcher = None
if wopts.follow:
if slowpath or match.always():
revs = dagop.revancestors(repo, revs, followfirst=wopts.follow == 1)
else:
assert not wopts.force_changelog_traversal
revs, filematcher = _fileancestors(
repo, revs, match, followfirst=wopts.follow == 1
)
revs.reverse()
if filematcher is None:
filematcher = _makenofollowfilematcher(repo, wopts.pats, wopts.opts)
if filematcher is None:
def filematcher(ctx):
return match
expr = _makerevset(repo, wopts, slowpath)
if wopts.sort_revisions:
assert wopts.sort_revisions in {b'topo', b'desc'}
if wopts.sort_revisions == b'topo':
if not revs.istopo():
revs = dagop.toposort(revs, repo.changelog.parentrevs)
# TODO: try to iterate the set lazily
revs = revset.baseset(list(revs), istopo=True)
elif not (revs.isdescending() or revs.istopo()):
# User-specified revs might be unsorted
revs.sort(reverse=True)
if expr:
matcher = revset.match(None, expr)
revs = matcher(repo, revs)
if wopts.limit is not None:
revs = revs.slice(0, wopts.limit)
return revs, filematcher
def getrevs(repo, wopts):
# type: (Any, walkopts) -> Tuple[smartset.abstractsmartset, Optional[changesetdiffer]]
"""Return (revs, differ) where revs is a smartset
differ is a changesetdiffer with pre-configured file matcher.
"""
revs, filematcher = makewalker(repo, wopts)
if not revs:
return revs, None
differ = changesetdiffer()
differ._makefilematcher = filematcher
return revs, differ
def _parselinerangeopt(repo, opts):
"""Parse --line-range log option and return a list of tuples (filename,
(fromline, toline)).
"""
linerangebyfname = []
for pat in opts.get(b'line_range', []):
try:
pat, linerange = pat.rsplit(b',', 1)
except ValueError:
raise error.InputError(
_(b'malformatted line-range pattern %s') % pat
)
try:
fromline, toline = map(int, linerange.split(b':'))
except ValueError:
raise error.InputError(_(b"invalid line range for %s") % pat)
msg = _(b"line range pattern '%s' must match exactly one file") % pat
fname = scmutil.parsefollowlinespattern(repo, None, pat, msg)
linerangebyfname.append(
(fname, util.processlinerange(fromline, toline))
)
return linerangebyfname
def getlinerangerevs(repo, userrevs, opts):
"""Return (revs, differ).
"revs" are revisions obtained by processing "line-range" log options and
walking block ancestors of each specified file/line-range.
"differ" is a changesetdiffer with pre-configured file matcher and hunks
filter.
"""
wctx = repo[None]
# Two-levels map of "rev -> file ctx -> [line range]".
linerangesbyrev = {}
for fname, (fromline, toline) in _parselinerangeopt(repo, opts):
if fname not in wctx:
raise error.StateError(
_(b'cannot follow file not in parent revision: "%s"') % fname
)
fctx = wctx.filectx(fname)
for fctx, linerange in dagop.blockancestors(fctx, fromline, toline):
rev = fctx.introrev()
if rev is None:
rev = wdirrev
if rev not in userrevs:
continue
linerangesbyrev.setdefault(rev, {}).setdefault(
fctx.path(), []
).append(linerange)
def nofilterhunksfn(fctx, hunks):
return hunks
def hunksfilter(ctx):
fctxlineranges = linerangesbyrev.get(scmutil.intrev(ctx))
if fctxlineranges is None:
return nofilterhunksfn
def filterfn(fctx, hunks):
lineranges = fctxlineranges.get(fctx.path())
if lineranges is not None:
for hr, lines in hunks:
if hr is None: # binary
yield hr, lines
continue
if any(mdiff.hunkinrange(hr[2:], lr) for lr in lineranges):
yield hr, lines
else:
for hunk in hunks:
yield hunk
return filterfn
def filematcher(ctx):
files = list(linerangesbyrev.get(scmutil.intrev(ctx), []))
return scmutil.matchfiles(repo, files)
revs = sorted(linerangesbyrev, reverse=True)
differ = changesetdiffer()
differ._makefilematcher = filematcher
differ._makehunksfilter = hunksfilter
return smartset.baseset(revs), differ
def _graphnodeformatter(ui, displayer):
spec = ui.config(b'command-templates', b'graphnode')
if not spec:
return templatekw.getgraphnode # fast path for "{graphnode}"
spec = templater.unquotestring(spec)
if isinstance(displayer, changesettemplater):
# reuse cache of slow templates
tres = displayer._tresources
else:
tres = formatter.templateresources(ui)
templ = formatter.maketemplater(
ui, spec, defaults=templatekw.keywords, resources=tres
)
def formatnode(repo, ctx, cache):
props = {b'ctx': ctx, b'repo': repo}
return templ.renderdefault(props)
return formatnode
def displaygraph(ui, repo, dag, displayer, edgefn, getcopies=None, props=None):
props = props or {}
formatnode = _graphnodeformatter(ui, displayer)
state = graphmod.asciistate()
styles = state.styles
# only set graph styling if HGPLAIN is not set.
if ui.plain(b'graph'):
# set all edge styles to |, the default pre-3.8 behaviour
styles.update(dict.fromkeys(styles, b'|'))
else:
edgetypes = {
b'parent': graphmod.PARENT,
b'grandparent': graphmod.GRANDPARENT,
b'missing': graphmod.MISSINGPARENT,
}
for name, key in edgetypes.items():
# experimental config: experimental.graphstyle.*
styles[key] = ui.config(
b'experimental', b'graphstyle.%s' % name, styles[key]
)
if not styles[key]:
styles[key] = None
# experimental config: experimental.graphshorten
state.graphshorten = ui.configbool(b'experimental', b'graphshorten')
formatnode_cache = {}
for rev, type, ctx, parents in dag:
char = formatnode(repo, ctx, formatnode_cache)
copies = getcopies(ctx) if getcopies else None
edges = edgefn(type, char, state, rev, parents)
firstedge = next(edges)
width = firstedge[2]
displayer.show(
ctx, copies=copies, graphwidth=width, **pycompat.strkwargs(props)
)
lines = displayer.hunk.pop(rev).split(b'\n')
if not lines[-1]:
del lines[-1]
displayer.flush(ctx)
for type, char, width, coldata in itertools.chain([firstedge], edges):
graphmod.ascii(ui, state, type, char, lines, coldata)
lines = []
displayer.close()
def displaygraphrevs(ui, repo, revs, displayer, getrenamed):
revdag = graphmod.dagwalker(repo, revs)
displaygraph(ui, repo, revdag, displayer, graphmod.asciiedges, getrenamed)
def displayrevs(ui, repo, revs, displayer, getcopies):
for rev in revs:
ctx = repo[rev]
copies = getcopies(ctx) if getcopies else None
displayer.show(ctx, copies=copies)
displayer.flush(ctx)
displayer.close()
def checkunsupportedgraphflags(pats, opts):
for op in [b"newest_first"]:
if op in opts and opts[op]:
raise error.InputError(
_(b"-G/--graph option is incompatible with --%s")
% op.replace(b"_", b"-")
)
def graphrevs(repo, nodes, opts):
limit = getlimit(opts)
nodes.reverse()
if limit is not None:
nodes = nodes[:limit]
return graphmod.nodes(repo, nodes)