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# merge.py - directory-level update/merge handling for Mercurial
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#
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# Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import collections
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import errno
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import stat
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import struct
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from .i18n import _
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from .node import (
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addednodeid,
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modifiednodeid,
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nullid,
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nullrev,
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)
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from .thirdparty import attr
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from . import (
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copies,
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encoding,
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error,
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filemerge,
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match as matchmod,
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mergestate as mergestatemod,
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obsutil,
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pathutil,
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pycompat,
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scmutil,
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subrepoutil,
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util,
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worker,
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)
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_pack = struct.pack
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_unpack = struct.unpack
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def _getcheckunknownconfig(repo, section, name):
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config = repo.ui.config(section, name)
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valid = [b'abort', b'ignore', b'warn']
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if config not in valid:
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validstr = b', '.join([b"'" + v + b"'" for v in valid])
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raise error.ConfigError(
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_(b"%s.%s not valid ('%s' is none of %s)")
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% (section, name, config, validstr)
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)
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return config
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def _checkunknownfile(repo, wctx, mctx, f, f2=None):
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if wctx.isinmemory():
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# Nothing to do in IMM because nothing in the "working copy" can be an
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# unknown file.
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#
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# Note that we should bail out here, not in ``_checkunknownfiles()``,
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# because that function does other useful work.
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return False
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if f2 is None:
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f2 = f
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return (
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repo.wvfs.audit.check(f)
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and repo.wvfs.isfileorlink(f)
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and repo.dirstate.normalize(f) not in repo.dirstate
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and mctx[f2].cmp(wctx[f])
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)
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class _unknowndirschecker(object):
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"""
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Look for any unknown files or directories that may have a path conflict
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with a file. If any path prefix of the file exists as a file or link,
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then it conflicts. If the file itself is a directory that contains any
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file that is not tracked, then it conflicts.
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Returns the shortest path at which a conflict occurs, or None if there is
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no conflict.
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"""
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def __init__(self):
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# A set of paths known to be good. This prevents repeated checking of
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# dirs. It will be updated with any new dirs that are checked and found
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# to be safe.
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self._unknowndircache = set()
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# A set of paths that are known to be absent. This prevents repeated
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# checking of subdirectories that are known not to exist. It will be
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# updated with any new dirs that are checked and found to be absent.
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self._missingdircache = set()
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def __call__(self, repo, wctx, f):
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if wctx.isinmemory():
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# Nothing to do in IMM for the same reason as ``_checkunknownfile``.
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return False
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# Check for path prefixes that exist as unknown files.
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for p in reversed(list(pathutil.finddirs(f))):
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if p in self._missingdircache:
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return
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if p in self._unknowndircache:
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continue
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if repo.wvfs.audit.check(p):
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if (
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repo.wvfs.isfileorlink(p)
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and repo.dirstate.normalize(p) not in repo.dirstate
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):
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return p
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if not repo.wvfs.lexists(p):
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self._missingdircache.add(p)
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return
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self._unknowndircache.add(p)
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# Check if the file conflicts with a directory containing unknown files.
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if repo.wvfs.audit.check(f) and repo.wvfs.isdir(f):
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# Does the directory contain any files that are not in the dirstate?
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for p, dirs, files in repo.wvfs.walk(f):
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for fn in files:
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relf = util.pconvert(repo.wvfs.reljoin(p, fn))
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relf = repo.dirstate.normalize(relf, isknown=True)
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if relf not in repo.dirstate:
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return f
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return None
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def _checkunknownfiles(repo, wctx, mctx, force, mresult, mergeforce):
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"""
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Considers any actions that care about the presence of conflicting unknown
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files. For some actions, the result is to abort; for others, it is to
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choose a different action.
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"""
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fileconflicts = set()
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pathconflicts = set()
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warnconflicts = set()
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abortconflicts = set()
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unknownconfig = _getcheckunknownconfig(repo, b'merge', b'checkunknown')
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ignoredconfig = _getcheckunknownconfig(repo, b'merge', b'checkignored')
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pathconfig = repo.ui.configbool(
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b'experimental', b'merge.checkpathconflicts'
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)
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if not force:
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def collectconflicts(conflicts, config):
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if config == b'abort':
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abortconflicts.update(conflicts)
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elif config == b'warn':
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warnconflicts.update(conflicts)
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checkunknowndirs = _unknowndirschecker()
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for f in mresult.files(
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(
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mergestatemod.ACTION_CREATED,
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mergestatemod.ACTION_DELETED_CHANGED,
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)
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):
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if _checkunknownfile(repo, wctx, mctx, f):
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fileconflicts.add(f)
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elif pathconfig and f not in wctx:
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path = checkunknowndirs(repo, wctx, f)
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if path is not None:
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pathconflicts.add(path)
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for f, args, msg in mresult.getactions(
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[mergestatemod.ACTION_LOCAL_DIR_RENAME_GET]
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):
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if _checkunknownfile(repo, wctx, mctx, f, args[0]):
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fileconflicts.add(f)
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allconflicts = fileconflicts | pathconflicts
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ignoredconflicts = {c for c in allconflicts if repo.dirstate._ignore(c)}
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unknownconflicts = allconflicts - ignoredconflicts
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collectconflicts(ignoredconflicts, ignoredconfig)
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collectconflicts(unknownconflicts, unknownconfig)
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else:
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for f, args, msg in list(
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mresult.getactions([mergestatemod.ACTION_CREATED_MERGE])
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):
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fl2, anc = args
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different = _checkunknownfile(repo, wctx, mctx, f)
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if repo.dirstate._ignore(f):
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config = ignoredconfig
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else:
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config = unknownconfig
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# The behavior when force is True is described by this table:
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# config different mergeforce | action backup
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# * n * | get n
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# * y y | merge -
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# abort y n | merge - (1)
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# warn y n | warn + get y
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# ignore y n | get y
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#
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# (1) this is probably the wrong behavior here -- we should
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# probably abort, but some actions like rebases currently
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# don't like an abort happening in the middle of
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# merge.update.
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if not different:
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mresult.addfile(
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f,
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mergestatemod.ACTION_GET,
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(fl2, False),
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b'remote created',
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)
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elif mergeforce or config == b'abort':
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mresult.addfile(
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f,
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mergestatemod.ACTION_MERGE,
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(f, f, None, False, anc),
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b'remote differs from untracked local',
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)
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elif config == b'abort':
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abortconflicts.add(f)
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else:
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if config == b'warn':
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warnconflicts.add(f)
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mresult.addfile(
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f,
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mergestatemod.ACTION_GET,
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(fl2, True),
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b'remote created',
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)
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for f in sorted(abortconflicts):
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warn = repo.ui.warn
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if f in pathconflicts:
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if repo.wvfs.isfileorlink(f):
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warn(_(b"%s: untracked file conflicts with directory\n") % f)
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else:
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warn(_(b"%s: untracked directory conflicts with file\n") % f)
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else:
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warn(_(b"%s: untracked file differs\n") % f)
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if abortconflicts:
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raise error.Abort(
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_(
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b"untracked files in working directory "
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b"differ from files in requested revision"
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)
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)
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for f in sorted(warnconflicts):
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if repo.wvfs.isfileorlink(f):
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repo.ui.warn(_(b"%s: replacing untracked file\n") % f)
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else:
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repo.ui.warn(_(b"%s: replacing untracked files in directory\n") % f)
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for f, args, msg in list(
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mresult.getactions([mergestatemod.ACTION_CREATED])
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):
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backup = (
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f in fileconflicts
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or f in pathconflicts
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or any(p in pathconflicts for p in pathutil.finddirs(f))
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)
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(flags,) = args
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mresult.addfile(f, mergestatemod.ACTION_GET, (flags, backup), msg)
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def _forgetremoved(wctx, mctx, branchmerge, mresult):
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"""
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Forget removed files
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If we're jumping between revisions (as opposed to merging), and if
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neither the working directory nor the target rev has the file,
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then we need to remove it from the dirstate, to prevent the
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dirstate from listing the file when it is no longer in the
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manifest.
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If we're merging, and the other revision has removed a file
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that is not present in the working directory, we need to mark it
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as removed.
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"""
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m = mergestatemod.ACTION_FORGET
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if branchmerge:
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m = mergestatemod.ACTION_REMOVE
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for f in wctx.deleted():
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if f not in mctx:
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mresult.addfile(f, m, None, b"forget deleted")
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if not branchmerge:
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for f in wctx.removed():
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if f not in mctx:
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mresult.addfile(
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f,
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mergestatemod.ACTION_FORGET,
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None,
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b"forget removed",
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)
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def _checkcollision(repo, wmf, mresult):
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"""
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Check for case-folding collisions.
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"""
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# If the repo is narrowed, filter out files outside the narrowspec.
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narrowmatch = repo.narrowmatch()
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if not narrowmatch.always():
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pmmf = set(wmf.walk(narrowmatch))
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if mresult:
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for f in list(mresult.files()):
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if not narrowmatch(f):
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mresult.removefile(f)
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else:
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# build provisional merged manifest up
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pmmf = set(wmf)
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if mresult:
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# KEEP and EXEC are no-op
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for f in mresult.files(
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(
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mergestatemod.ACTION_ADD,
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mergestatemod.ACTION_ADD_MODIFIED,
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mergestatemod.ACTION_FORGET,
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mergestatemod.ACTION_GET,
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mergestatemod.ACTION_CHANGED_DELETED,
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mergestatemod.ACTION_DELETED_CHANGED,
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)
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):
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pmmf.add(f)
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for f in mresult.files((mergestatemod.ACTION_REMOVE,)):
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pmmf.discard(f)
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for f, args, msg in mresult.getactions(
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[mergestatemod.ACTION_DIR_RENAME_MOVE_LOCAL]
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):
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f2, flags = args
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pmmf.discard(f2)
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pmmf.add(f)
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for f in mresult.files((mergestatemod.ACTION_LOCAL_DIR_RENAME_GET,)):
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pmmf.add(f)
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for f, args, msg in mresult.getactions([mergestatemod.ACTION_MERGE]):
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f1, f2, fa, move, anc = args
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if move:
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pmmf.discard(f1)
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pmmf.add(f)
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# check case-folding collision in provisional merged manifest
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foldmap = {}
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for f in pmmf:
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fold = util.normcase(f)
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if fold in foldmap:
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raise error.Abort(
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_(b"case-folding collision between %s and %s")
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% (f, foldmap[fold])
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)
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foldmap[fold] = f
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# check case-folding of directories
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foldprefix = unfoldprefix = lastfull = b''
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for fold, f in sorted(foldmap.items()):
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if fold.startswith(foldprefix) and not f.startswith(unfoldprefix):
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# the folded prefix matches but actual casing is different
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raise error.Abort(
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_(b"case-folding collision between %s and directory of %s")
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% (lastfull, f)
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)
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foldprefix = fold + b'/'
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unfoldprefix = f + b'/'
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lastfull = f
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def _filesindirs(repo, manifest, dirs):
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"""
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Generator that yields pairs of all the files in the manifest that are found
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inside the directories listed in dirs, and which directory they are found
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in.
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"""
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for f in manifest:
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for p in pathutil.finddirs(f):
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if p in dirs:
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yield f, p
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break
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def checkpathconflicts(repo, wctx, mctx, mresult):
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"""
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Check if any actions introduce path conflicts in the repository, updating
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actions to record or handle the path conflict accordingly.
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"""
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mf = wctx.manifest()
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# The set of local files that conflict with a remote directory.
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localconflicts = set()
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# The set of directories that conflict with a remote file, and so may cause
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# conflicts if they still contain any files after the merge.
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remoteconflicts = set()
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# The set of directories that appear as both a file and a directory in the
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# remote manifest. These indicate an invalid remote manifest, which
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# can't be updated to cleanly.
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invalidconflicts = set()
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# The set of directories that contain files that are being created.
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createdfiledirs = set()
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# The set of files deleted by all the actions.
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deletedfiles = set()
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for f in mresult.files(
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(
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mergestatemod.ACTION_CREATED,
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mergestatemod.ACTION_DELETED_CHANGED,
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mergestatemod.ACTION_MERGE,
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mergestatemod.ACTION_CREATED_MERGE,
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)
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):
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# This action may create a new local file.
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createdfiledirs.update(pathutil.finddirs(f))
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if mf.hasdir(f):
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# The file aliases a local directory. This might be ok if all
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# the files in the local directory are being deleted. This
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# will be checked once we know what all the deleted files are.
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remoteconflicts.add(f)
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# Track the names of all deleted files.
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for f in mresult.files((mergestatemod.ACTION_REMOVE,)):
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deletedfiles.add(f)
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for (f, args, msg) in mresult.getactions((mergestatemod.ACTION_MERGE,)):
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f1, f2, fa, move, anc = args
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if move:
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deletedfiles.add(f1)
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for (f, args, msg) in mresult.getactions(
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(mergestatemod.ACTION_DIR_RENAME_MOVE_LOCAL,)
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):
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f2, flags = args
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deletedfiles.add(f2)
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# Check all directories that contain created files for path conflicts.
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for p in createdfiledirs:
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if p in mf:
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if p in mctx:
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# A file is in a directory which aliases both a local
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# and a remote file. This is an internal inconsistency
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# within the remote manifest.
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invalidconflicts.add(p)
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else:
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# A file is in a directory which aliases a local file.
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# We will need to rename the local file.
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|
|
localconflicts.add(p)
|
|
|
pd = mresult.getfile(p)
|
|
|
if pd and pd[0] in (
|
|
|
mergestatemod.ACTION_CREATED,
|
|
|
mergestatemod.ACTION_DELETED_CHANGED,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
mergestatemod.ACTION_CREATED_MERGE,
|
|
|
):
|
|
|
# The file is in a directory which aliases a remote file.
|
|
|
# This is an internal inconsistency within the remote
|
|
|
# manifest.
|
|
|
invalidconflicts.add(p)
|
|
|
|
|
|
# Rename all local conflicting files that have not been deleted.
|
|
|
for p in localconflicts:
|
|
|
if p not in deletedfiles:
|
|
|
ctxname = bytes(wctx).rstrip(b'+')
|
|
|
pnew = util.safename(p, ctxname, wctx, set(mresult.files()))
|
|
|
porig = wctx[p].copysource() or p
|
|
|
mresult.addfile(
|
|
|
pnew,
|
|
|
mergestatemod.ACTION_PATH_CONFLICT_RESOLVE,
|
|
|
(p, porig),
|
|
|
b'local path conflict',
|
|
|
)
|
|
|
mresult.addfile(
|
|
|
p,
|
|
|
mergestatemod.ACTION_PATH_CONFLICT,
|
|
|
(pnew, b'l'),
|
|
|
b'path conflict',
|
|
|
)
|
|
|
|
|
|
if remoteconflicts:
|
|
|
# Check if all files in the conflicting directories have been removed.
|
|
|
ctxname = bytes(mctx).rstrip(b'+')
|
|
|
for f, p in _filesindirs(repo, mf, remoteconflicts):
|
|
|
if f not in deletedfiles:
|
|
|
m, args, msg = mresult.getfile(p)
|
|
|
pnew = util.safename(p, ctxname, wctx, set(mresult.files()))
|
|
|
if m in (
|
|
|
mergestatemod.ACTION_DELETED_CHANGED,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
):
|
|
|
# Action was merge, just update target.
|
|
|
mresult.addfile(pnew, m, args, msg)
|
|
|
else:
|
|
|
# Action was create, change to renamed get action.
|
|
|
fl = args[0]
|
|
|
mresult.addfile(
|
|
|
pnew,
|
|
|
mergestatemod.ACTION_LOCAL_DIR_RENAME_GET,
|
|
|
(p, fl),
|
|
|
b'remote path conflict',
|
|
|
)
|
|
|
mresult.addfile(
|
|
|
p,
|
|
|
mergestatemod.ACTION_PATH_CONFLICT,
|
|
|
(pnew, mergestatemod.ACTION_REMOVE),
|
|
|
b'path conflict',
|
|
|
)
|
|
|
remoteconflicts.remove(p)
|
|
|
break
|
|
|
|
|
|
if invalidconflicts:
|
|
|
for p in invalidconflicts:
|
|
|
repo.ui.warn(_(b"%s: is both a file and a directory\n") % p)
|
|
|
raise error.Abort(_(b"destination manifest contains path conflicts"))
|
|
|
|
|
|
|
|
|
def _filternarrowactions(narrowmatch, branchmerge, mresult):
|
|
|
"""
|
|
|
Filters out actions that can ignored because the repo is narrowed.
|
|
|
|
|
|
Raise an exception if the merge cannot be completed because the repo is
|
|
|
narrowed.
|
|
|
"""
|
|
|
# TODO: handle with nonconflicttypes
|
|
|
nonconflicttypes = {
|
|
|
mergestatemod.ACTION_ADD,
|
|
|
mergestatemod.ACTION_ADD_MODIFIED,
|
|
|
mergestatemod.ACTION_CREATED,
|
|
|
mergestatemod.ACTION_CREATED_MERGE,
|
|
|
mergestatemod.ACTION_FORGET,
|
|
|
mergestatemod.ACTION_GET,
|
|
|
mergestatemod.ACTION_REMOVE,
|
|
|
mergestatemod.ACTION_EXEC,
|
|
|
}
|
|
|
# We mutate the items in the dict during iteration, so iterate
|
|
|
# over a copy.
|
|
|
for f, action in mresult.filemap():
|
|
|
if narrowmatch(f):
|
|
|
pass
|
|
|
elif not branchmerge:
|
|
|
mresult.removefile(f) # just updating, ignore changes outside clone
|
|
|
elif action[0] in mergestatemod.NO_OP_ACTIONS:
|
|
|
mresult.removefile(f) # merge does not affect file
|
|
|
elif action[0] in nonconflicttypes:
|
|
|
raise error.Abort(
|
|
|
_(
|
|
|
b'merge affects file \'%s\' outside narrow, '
|
|
|
b'which is not yet supported'
|
|
|
)
|
|
|
% f,
|
|
|
hint=_(b'merging in the other direction may work'),
|
|
|
)
|
|
|
else:
|
|
|
raise error.Abort(
|
|
|
_(b'conflict in file \'%s\' is outside narrow clone') % f
|
|
|
)
|
|
|
|
|
|
|
|
|
class mergeresult(object):
|
|
|
"""An object representing result of merging manifests.
|
|
|
|
|
|
It has information about what actions need to be performed on dirstate
|
|
|
mapping of divergent renames and other such cases."""
|
|
|
|
|
|
def __init__(self):
|
|
|
"""
|
|
|
filemapping: dict of filename as keys and action related info as values
|
|
|
diverge: mapping of source name -> list of dest name for
|
|
|
divergent renames
|
|
|
renamedelete: mapping of source name -> list of destinations for files
|
|
|
deleted on one side and renamed on other.
|
|
|
commitinfo: dict containing data which should be used on commit
|
|
|
contains a filename -> info mapping
|
|
|
actionmapping: dict of action names as keys and values are dict of
|
|
|
filename as key and related data as values
|
|
|
"""
|
|
|
self._filemapping = {}
|
|
|
self._diverge = {}
|
|
|
self._renamedelete = {}
|
|
|
self._commitinfo = collections.defaultdict(dict)
|
|
|
self._actionmapping = collections.defaultdict(dict)
|
|
|
|
|
|
def updatevalues(self, diverge, renamedelete):
|
|
|
self._diverge = diverge
|
|
|
self._renamedelete = renamedelete
|
|
|
|
|
|
def addfile(self, filename, action, data, message):
|
|
|
"""adds a new file to the mergeresult object
|
|
|
|
|
|
filename: file which we are adding
|
|
|
action: one of mergestatemod.ACTION_*
|
|
|
data: a tuple of information like fctx and ctx related to this merge
|
|
|
message: a message about the merge
|
|
|
"""
|
|
|
# if the file already existed, we need to delete it's old
|
|
|
# entry form _actionmapping too
|
|
|
if filename in self._filemapping:
|
|
|
a, d, m = self._filemapping[filename]
|
|
|
del self._actionmapping[a][filename]
|
|
|
|
|
|
self._filemapping[filename] = (action, data, message)
|
|
|
self._actionmapping[action][filename] = (data, message)
|
|
|
|
|
|
def getfile(self, filename, default_return=None):
|
|
|
"""returns (action, args, msg) about this file
|
|
|
|
|
|
returns default_return if the file is not present"""
|
|
|
if filename in self._filemapping:
|
|
|
return self._filemapping[filename]
|
|
|
return default_return
|
|
|
|
|
|
def files(self, actions=None):
|
|
|
"""returns files on which provided action needs to perfromed
|
|
|
|
|
|
If actions is None, all files are returned
|
|
|
"""
|
|
|
# TODO: think whether we should return renamedelete and
|
|
|
# diverge filenames also
|
|
|
if actions is None:
|
|
|
for f in self._filemapping:
|
|
|
yield f
|
|
|
|
|
|
else:
|
|
|
for a in actions:
|
|
|
for f in self._actionmapping[a]:
|
|
|
yield f
|
|
|
|
|
|
def removefile(self, filename):
|
|
|
"""removes a file from the mergeresult object as the file might
|
|
|
not merging anymore"""
|
|
|
action, data, message = self._filemapping[filename]
|
|
|
del self._filemapping[filename]
|
|
|
del self._actionmapping[action][filename]
|
|
|
|
|
|
def getactions(self, actions, sort=False):
|
|
|
"""get list of files which are marked with these actions
|
|
|
if sort is true, files for each action is sorted and then added
|
|
|
|
|
|
Returns a list of tuple of form (filename, data, message)
|
|
|
"""
|
|
|
for a in actions:
|
|
|
if sort:
|
|
|
for f in sorted(self._actionmapping[a]):
|
|
|
args, msg = self._actionmapping[a][f]
|
|
|
yield f, args, msg
|
|
|
else:
|
|
|
for f, (args, msg) in pycompat.iteritems(
|
|
|
self._actionmapping[a]
|
|
|
):
|
|
|
yield f, args, msg
|
|
|
|
|
|
def len(self, actions=None):
|
|
|
"""returns number of files which needs actions
|
|
|
|
|
|
if actions is passed, total of number of files in that action
|
|
|
only is returned"""
|
|
|
|
|
|
if actions is None:
|
|
|
return len(self._filemapping)
|
|
|
|
|
|
return sum(len(self._actionmapping[a]) for a in actions)
|
|
|
|
|
|
def filemap(self, sort=False):
|
|
|
if sorted:
|
|
|
for key, val in sorted(pycompat.iteritems(self._filemapping)):
|
|
|
yield key, val
|
|
|
else:
|
|
|
for key, val in pycompat.iteritems(self._filemapping):
|
|
|
yield key, val
|
|
|
|
|
|
def addcommitinfo(self, filename, key, value):
|
|
|
"""adds key-value information about filename which will be required
|
|
|
while committing this merge"""
|
|
|
self._commitinfo[filename][key] = value
|
|
|
|
|
|
@property
|
|
|
def diverge(self):
|
|
|
return self._diverge
|
|
|
|
|
|
@property
|
|
|
def renamedelete(self):
|
|
|
return self._renamedelete
|
|
|
|
|
|
@property
|
|
|
def commitinfo(self):
|
|
|
return self._commitinfo
|
|
|
|
|
|
@property
|
|
|
def actionsdict(self):
|
|
|
"""returns a dictionary of actions to be perfomed with action as key
|
|
|
and a list of files and related arguments as values"""
|
|
|
res = collections.defaultdict(list)
|
|
|
for a, d in pycompat.iteritems(self._actionmapping):
|
|
|
for f, (args, msg) in pycompat.iteritems(d):
|
|
|
res[a].append((f, args, msg))
|
|
|
return res
|
|
|
|
|
|
def setactions(self, actions):
|
|
|
self._filemapping = actions
|
|
|
self._actionmapping = collections.defaultdict(dict)
|
|
|
for f, (act, data, msg) in pycompat.iteritems(self._filemapping):
|
|
|
self._actionmapping[act][f] = data, msg
|
|
|
|
|
|
def hasconflicts(self):
|
|
|
"""tells whether this merge resulted in some actions which can
|
|
|
result in conflicts or not"""
|
|
|
for a in self._actionmapping.keys():
|
|
|
if (
|
|
|
a
|
|
|
not in (
|
|
|
mergestatemod.ACTION_GET,
|
|
|
mergestatemod.ACTION_EXEC,
|
|
|
mergestatemod.ACTION_REMOVE,
|
|
|
mergestatemod.ACTION_PATH_CONFLICT_RESOLVE,
|
|
|
)
|
|
|
and self._actionmapping[a]
|
|
|
and a not in mergestatemod.NO_OP_ACTIONS
|
|
|
):
|
|
|
return True
|
|
|
|
|
|
return False
|
|
|
|
|
|
|
|
|
def manifestmerge(
|
|
|
repo,
|
|
|
wctx,
|
|
|
p2,
|
|
|
pa,
|
|
|
branchmerge,
|
|
|
force,
|
|
|
matcher,
|
|
|
acceptremote,
|
|
|
followcopies,
|
|
|
forcefulldiff=False,
|
|
|
):
|
|
|
"""
|
|
|
Merge wctx and p2 with ancestor pa and generate merge action list
|
|
|
|
|
|
branchmerge and force are as passed in to update
|
|
|
matcher = matcher to filter file lists
|
|
|
acceptremote = accept the incoming changes without prompting
|
|
|
|
|
|
Returns an object of mergeresult class
|
|
|
"""
|
|
|
mresult = mergeresult()
|
|
|
if matcher is not None and matcher.always():
|
|
|
matcher = None
|
|
|
|
|
|
# manifests fetched in order are going to be faster, so prime the caches
|
|
|
[
|
|
|
x.manifest()
|
|
|
for x in sorted(wctx.parents() + [p2, pa], key=scmutil.intrev)
|
|
|
]
|
|
|
|
|
|
branch_copies1 = copies.branch_copies()
|
|
|
branch_copies2 = copies.branch_copies()
|
|
|
diverge = {}
|
|
|
# information from merge which is needed at commit time
|
|
|
# for example choosing filelog of which parent to commit
|
|
|
# TODO: use specific constants in future for this mapping
|
|
|
if followcopies:
|
|
|
branch_copies1, branch_copies2, diverge = copies.mergecopies(
|
|
|
repo, wctx, p2, pa
|
|
|
)
|
|
|
|
|
|
boolbm = pycompat.bytestr(bool(branchmerge))
|
|
|
boolf = pycompat.bytestr(bool(force))
|
|
|
boolm = pycompat.bytestr(bool(matcher))
|
|
|
repo.ui.note(_(b"resolving manifests\n"))
|
|
|
repo.ui.debug(
|
|
|
b" branchmerge: %s, force: %s, partial: %s\n" % (boolbm, boolf, boolm)
|
|
|
)
|
|
|
repo.ui.debug(b" ancestor: %s, local: %s, remote: %s\n" % (pa, wctx, p2))
|
|
|
|
|
|
m1, m2, ma = wctx.manifest(), p2.manifest(), pa.manifest()
|
|
|
copied1 = set(branch_copies1.copy.values())
|
|
|
copied1.update(branch_copies1.movewithdir.values())
|
|
|
copied2 = set(branch_copies2.copy.values())
|
|
|
copied2.update(branch_copies2.movewithdir.values())
|
|
|
|
|
|
if b'.hgsubstate' in m1 and wctx.rev() is None:
|
|
|
# Check whether sub state is modified, and overwrite the manifest
|
|
|
# to flag the change. If wctx is a committed revision, we shouldn't
|
|
|
# care for the dirty state of the working directory.
|
|
|
if any(wctx.sub(s).dirty() for s in wctx.substate):
|
|
|
m1[b'.hgsubstate'] = modifiednodeid
|
|
|
|
|
|
# Don't use m2-vs-ma optimization if:
|
|
|
# - ma is the same as m1 or m2, which we're just going to diff again later
|
|
|
# - The caller specifically asks for a full diff, which is useful during bid
|
|
|
# merge.
|
|
|
# - we are tracking salvaged files specifically hence should process all
|
|
|
# files
|
|
|
if (
|
|
|
pa not in ([wctx, p2] + wctx.parents())
|
|
|
and not forcefulldiff
|
|
|
and not (
|
|
|
repo.ui.configbool(b'experimental', b'merge-track-salvaged')
|
|
|
or repo.filecopiesmode == b'changeset-sidedata'
|
|
|
)
|
|
|
):
|
|
|
# Identify which files are relevant to the merge, so we can limit the
|
|
|
# total m1-vs-m2 diff to just those files. This has significant
|
|
|
# performance benefits in large repositories.
|
|
|
relevantfiles = set(ma.diff(m2).keys())
|
|
|
|
|
|
# For copied and moved files, we need to add the source file too.
|
|
|
for copykey, copyvalue in pycompat.iteritems(branch_copies1.copy):
|
|
|
if copyvalue in relevantfiles:
|
|
|
relevantfiles.add(copykey)
|
|
|
for movedirkey in branch_copies1.movewithdir:
|
|
|
relevantfiles.add(movedirkey)
|
|
|
filesmatcher = scmutil.matchfiles(repo, relevantfiles)
|
|
|
matcher = matchmod.intersectmatchers(matcher, filesmatcher)
|
|
|
|
|
|
diff = m1.diff(m2, match=matcher)
|
|
|
|
|
|
for f, ((n1, fl1), (n2, fl2)) in pycompat.iteritems(diff):
|
|
|
if n1 and n2: # file exists on both local and remote side
|
|
|
if f not in ma:
|
|
|
# TODO: what if they're renamed from different sources?
|
|
|
fa = branch_copies1.copy.get(
|
|
|
f, None
|
|
|
) or branch_copies2.copy.get(f, None)
|
|
|
args, msg = None, None
|
|
|
if fa is not None:
|
|
|
args = (f, f, fa, False, pa.node())
|
|
|
msg = b'both renamed from %s' % fa
|
|
|
else:
|
|
|
args = (f, f, None, False, pa.node())
|
|
|
msg = b'both created'
|
|
|
mresult.addfile(f, mergestatemod.ACTION_MERGE, args, msg)
|
|
|
elif f in branch_copies1.copy:
|
|
|
fa = branch_copies1.copy[f]
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(f, fa, fa, False, pa.node()),
|
|
|
b'local replaced from %s' % fa,
|
|
|
)
|
|
|
elif f in branch_copies2.copy:
|
|
|
fa = branch_copies2.copy[f]
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(fa, f, fa, False, pa.node()),
|
|
|
b'other replaced from %s' % fa,
|
|
|
)
|
|
|
else:
|
|
|
a = ma[f]
|
|
|
fla = ma.flags(f)
|
|
|
nol = b'l' not in fl1 + fl2 + fla
|
|
|
if n2 == a and fl2 == fla:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_KEEP,
|
|
|
(),
|
|
|
b'remote unchanged',
|
|
|
)
|
|
|
elif n1 == a and fl1 == fla: # local unchanged - use remote
|
|
|
if n1 == n2: # optimization: keep local content
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_EXEC,
|
|
|
(fl2,),
|
|
|
b'update permissions',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_GET,
|
|
|
(fl2, False),
|
|
|
b'remote is newer',
|
|
|
)
|
|
|
if branchmerge:
|
|
|
mresult.addcommitinfo(
|
|
|
f, b'filenode-source', b'other'
|
|
|
)
|
|
|
elif nol and n2 == a: # remote only changed 'x'
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_EXEC,
|
|
|
(fl2,),
|
|
|
b'update permissions',
|
|
|
)
|
|
|
elif nol and n1 == a: # local only changed 'x'
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_GET,
|
|
|
(fl1, False),
|
|
|
b'remote is newer',
|
|
|
)
|
|
|
if branchmerge:
|
|
|
mresult.addcommitinfo(f, b'filenode-source', b'other')
|
|
|
else: # both changed something
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(f, f, f, False, pa.node()),
|
|
|
b'versions differ',
|
|
|
)
|
|
|
elif n1: # file exists only on local side
|
|
|
if f in copied2:
|
|
|
pass # we'll deal with it on m2 side
|
|
|
elif (
|
|
|
f in branch_copies1.movewithdir
|
|
|
): # directory rename, move local
|
|
|
f2 = branch_copies1.movewithdir[f]
|
|
|
if f2 in m2:
|
|
|
mresult.addfile(
|
|
|
f2,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(f, f2, None, True, pa.node()),
|
|
|
b'remote directory rename, both created',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f2,
|
|
|
mergestatemod.ACTION_DIR_RENAME_MOVE_LOCAL,
|
|
|
(f, fl1),
|
|
|
b'remote directory rename - move from %s' % f,
|
|
|
)
|
|
|
elif f in branch_copies1.copy:
|
|
|
f2 = branch_copies1.copy[f]
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(f, f2, f2, False, pa.node()),
|
|
|
b'local copied/moved from %s' % f2,
|
|
|
)
|
|
|
elif f in ma: # clean, a different, no remote
|
|
|
if n1 != ma[f]:
|
|
|
if acceptremote:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_REMOVE,
|
|
|
None,
|
|
|
b'remote delete',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_CHANGED_DELETED,
|
|
|
(f, None, f, False, pa.node()),
|
|
|
b'prompt changed/deleted',
|
|
|
)
|
|
|
if branchmerge:
|
|
|
mresult.addcommitinfo(
|
|
|
f, b'merge-removal-candidate', b'yes'
|
|
|
)
|
|
|
elif n1 == addednodeid:
|
|
|
# This file was locally added. We should forget it instead of
|
|
|
# deleting it.
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_FORGET,
|
|
|
None,
|
|
|
b'remote deleted',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_REMOVE,
|
|
|
None,
|
|
|
b'other deleted',
|
|
|
)
|
|
|
if branchmerge:
|
|
|
# the file must be absent after merging,
|
|
|
# howeber the user might make
|
|
|
# the file reappear using revert and if they does,
|
|
|
# we force create a new node
|
|
|
mresult.addcommitinfo(
|
|
|
f, b'merge-removal-candidate', b'yes'
|
|
|
)
|
|
|
|
|
|
else: # file not in ancestor, not in remote
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_KEEP_NEW,
|
|
|
None,
|
|
|
b'ancestor missing, remote missing',
|
|
|
)
|
|
|
|
|
|
elif n2: # file exists only on remote side
|
|
|
if f in copied1:
|
|
|
pass # we'll deal with it on m1 side
|
|
|
elif f in branch_copies2.movewithdir:
|
|
|
f2 = branch_copies2.movewithdir[f]
|
|
|
if f2 in m1:
|
|
|
mresult.addfile(
|
|
|
f2,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(f2, f, None, False, pa.node()),
|
|
|
b'local directory rename, both created',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f2,
|
|
|
mergestatemod.ACTION_LOCAL_DIR_RENAME_GET,
|
|
|
(f, fl2),
|
|
|
b'local directory rename - get from %s' % f,
|
|
|
)
|
|
|
elif f in branch_copies2.copy:
|
|
|
f2 = branch_copies2.copy[f]
|
|
|
msg, args = None, None
|
|
|
if f2 in m2:
|
|
|
args = (f2, f, f2, False, pa.node())
|
|
|
msg = b'remote copied from %s' % f2
|
|
|
else:
|
|
|
args = (f2, f, f2, True, pa.node())
|
|
|
msg = b'remote moved from %s' % f2
|
|
|
mresult.addfile(f, mergestatemod.ACTION_MERGE, args, msg)
|
|
|
elif f not in ma:
|
|
|
# local unknown, remote created: the logic is described by the
|
|
|
# following table:
|
|
|
#
|
|
|
# force branchmerge different | action
|
|
|
# n * * | create
|
|
|
# y n * | create
|
|
|
# y y n | create
|
|
|
# y y y | merge
|
|
|
#
|
|
|
# Checking whether the files are different is expensive, so we
|
|
|
# don't do that when we can avoid it.
|
|
|
if not force:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_CREATED,
|
|
|
(fl2,),
|
|
|
b'remote created',
|
|
|
)
|
|
|
elif not branchmerge:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_CREATED,
|
|
|
(fl2,),
|
|
|
b'remote created',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_CREATED_MERGE,
|
|
|
(fl2, pa.node()),
|
|
|
b'remote created, get or merge',
|
|
|
)
|
|
|
elif n2 != ma[f]:
|
|
|
df = None
|
|
|
for d in branch_copies1.dirmove:
|
|
|
if f.startswith(d):
|
|
|
# new file added in a directory that was moved
|
|
|
df = branch_copies1.dirmove[d] + f[len(d) :]
|
|
|
break
|
|
|
if df is not None and df in m1:
|
|
|
mresult.addfile(
|
|
|
df,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
(df, f, f, False, pa.node()),
|
|
|
b'local directory rename - respect move '
|
|
|
b'from %s' % f,
|
|
|
)
|
|
|
elif acceptremote:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_CREATED,
|
|
|
(fl2,),
|
|
|
b'remote recreating',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_DELETED_CHANGED,
|
|
|
(None, f, f, False, pa.node()),
|
|
|
b'prompt deleted/changed',
|
|
|
)
|
|
|
if branchmerge:
|
|
|
mresult.addcommitinfo(
|
|
|
f, b'merge-removal-candidate', b'yes'
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_KEEP_ABSENT,
|
|
|
None,
|
|
|
b'local not present, remote unchanged',
|
|
|
)
|
|
|
if branchmerge:
|
|
|
# the file must be absent after merging
|
|
|
# however the user might make
|
|
|
# the file reappear using revert and if they does,
|
|
|
# we force create a new node
|
|
|
mresult.addcommitinfo(f, b'merge-removal-candidate', b'yes')
|
|
|
|
|
|
if repo.ui.configbool(b'experimental', b'merge.checkpathconflicts'):
|
|
|
# If we are merging, look for path conflicts.
|
|
|
checkpathconflicts(repo, wctx, p2, mresult)
|
|
|
|
|
|
narrowmatch = repo.narrowmatch()
|
|
|
if not narrowmatch.always():
|
|
|
# Updates "actions" in place
|
|
|
_filternarrowactions(narrowmatch, branchmerge, mresult)
|
|
|
|
|
|
renamedelete = branch_copies1.renamedelete
|
|
|
renamedelete.update(branch_copies2.renamedelete)
|
|
|
|
|
|
mresult.updatevalues(diverge, renamedelete)
|
|
|
return mresult
|
|
|
|
|
|
|
|
|
def _resolvetrivial(repo, wctx, mctx, ancestor, mresult):
|
|
|
"""Resolves false conflicts where the nodeid changed but the content
|
|
|
remained the same."""
|
|
|
# We force a copy of actions.items() because we're going to mutate
|
|
|
# actions as we resolve trivial conflicts.
|
|
|
for f in list(mresult.files((mergestatemod.ACTION_CHANGED_DELETED,))):
|
|
|
if f in ancestor and not wctx[f].cmp(ancestor[f]):
|
|
|
# local did change but ended up with same content
|
|
|
mresult.addfile(
|
|
|
f, mergestatemod.ACTION_REMOVE, None, b'prompt same'
|
|
|
)
|
|
|
|
|
|
for f in list(mresult.files((mergestatemod.ACTION_DELETED_CHANGED,))):
|
|
|
if f in ancestor and not mctx[f].cmp(ancestor[f]):
|
|
|
# remote did change but ended up with same content
|
|
|
mresult.removefile(f) # don't get = keep local deleted
|
|
|
|
|
|
|
|
|
def calculateupdates(
|
|
|
repo,
|
|
|
wctx,
|
|
|
mctx,
|
|
|
ancestors,
|
|
|
branchmerge,
|
|
|
force,
|
|
|
acceptremote,
|
|
|
followcopies,
|
|
|
matcher=None,
|
|
|
mergeforce=False,
|
|
|
):
|
|
|
"""
|
|
|
Calculate the actions needed to merge mctx into wctx using ancestors
|
|
|
|
|
|
Uses manifestmerge() to merge manifest and get list of actions required to
|
|
|
perform for merging two manifests. If there are multiple ancestors, uses bid
|
|
|
merge if enabled.
|
|
|
|
|
|
Also filters out actions which are unrequired if repository is sparse.
|
|
|
|
|
|
Returns mergeresult object same as manifestmerge().
|
|
|
"""
|
|
|
# Avoid cycle.
|
|
|
from . import sparse
|
|
|
|
|
|
mresult = None
|
|
|
if len(ancestors) == 1: # default
|
|
|
mresult = manifestmerge(
|
|
|
repo,
|
|
|
wctx,
|
|
|
mctx,
|
|
|
ancestors[0],
|
|
|
branchmerge,
|
|
|
force,
|
|
|
matcher,
|
|
|
acceptremote,
|
|
|
followcopies,
|
|
|
)
|
|
|
_checkunknownfiles(repo, wctx, mctx, force, mresult, mergeforce)
|
|
|
|
|
|
else: # only when merge.preferancestor=* - the default
|
|
|
repo.ui.note(
|
|
|
_(b"note: merging %s and %s using bids from ancestors %s\n")
|
|
|
% (
|
|
|
wctx,
|
|
|
mctx,
|
|
|
_(b' and ').join(pycompat.bytestr(anc) for anc in ancestors),
|
|
|
)
|
|
|
)
|
|
|
|
|
|
# mapping filename to bids (action method to list af actions)
|
|
|
# {FILENAME1 : BID1, FILENAME2 : BID2}
|
|
|
# BID is another dictionary which contains
|
|
|
# mapping of following form:
|
|
|
# {ACTION_X : [info, ..], ACTION_Y : [info, ..]}
|
|
|
fbids = {}
|
|
|
mresult = mergeresult()
|
|
|
diverge, renamedelete = None, None
|
|
|
for ancestor in ancestors:
|
|
|
repo.ui.note(_(b'\ncalculating bids for ancestor %s\n') % ancestor)
|
|
|
mresult1 = manifestmerge(
|
|
|
repo,
|
|
|
wctx,
|
|
|
mctx,
|
|
|
ancestor,
|
|
|
branchmerge,
|
|
|
force,
|
|
|
matcher,
|
|
|
acceptremote,
|
|
|
followcopies,
|
|
|
forcefulldiff=True,
|
|
|
)
|
|
|
_checkunknownfiles(repo, wctx, mctx, force, mresult1, mergeforce)
|
|
|
|
|
|
# Track the shortest set of warning on the theory that bid
|
|
|
# merge will correctly incorporate more information
|
|
|
if diverge is None or len(mresult1.diverge) < len(diverge):
|
|
|
diverge = mresult1.diverge
|
|
|
if renamedelete is None or len(renamedelete) < len(
|
|
|
mresult1.renamedelete
|
|
|
):
|
|
|
renamedelete = mresult1.renamedelete
|
|
|
|
|
|
# blindly update final mergeresult commitinfo with what we get
|
|
|
# from mergeresult object for each ancestor
|
|
|
# TODO: some commitinfo depends on what bid merge choose and hence
|
|
|
# we will need to make commitinfo also depend on bid merge logic
|
|
|
mresult._commitinfo.update(mresult1._commitinfo)
|
|
|
|
|
|
for f, a in mresult1.filemap(sort=True):
|
|
|
m, args, msg = a
|
|
|
repo.ui.debug(b' %s: %s -> %s\n' % (f, msg, m))
|
|
|
if f in fbids:
|
|
|
d = fbids[f]
|
|
|
if m in d:
|
|
|
d[m].append(a)
|
|
|
else:
|
|
|
d[m] = [a]
|
|
|
else:
|
|
|
fbids[f] = {m: [a]}
|
|
|
|
|
|
# Call for bids
|
|
|
# Pick the best bid for each file
|
|
|
repo.ui.note(
|
|
|
_(b'\nauction for merging merge bids (%d ancestors)\n')
|
|
|
% len(ancestors)
|
|
|
)
|
|
|
for f, bids in sorted(fbids.items()):
|
|
|
if repo.ui.debugflag:
|
|
|
repo.ui.debug(b" list of bids for %s:\n" % f)
|
|
|
for m, l in sorted(bids.items()):
|
|
|
for _f, args, msg in l:
|
|
|
repo.ui.debug(b' %s -> %s\n' % (msg, m))
|
|
|
# bids is a mapping from action method to list af actions
|
|
|
# Consensus?
|
|
|
if len(bids) == 1: # all bids are the same kind of method
|
|
|
m, l = list(bids.items())[0]
|
|
|
if all(a == l[0] for a in l[1:]): # len(bids) is > 1
|
|
|
repo.ui.note(_(b" %s: consensus for %s\n") % (f, m))
|
|
|
mresult.addfile(f, *l[0])
|
|
|
continue
|
|
|
# If keep is an option, just do it.
|
|
|
if mergestatemod.ACTION_KEEP in bids:
|
|
|
repo.ui.note(_(b" %s: picking 'keep' action\n") % f)
|
|
|
mresult.addfile(f, *bids[mergestatemod.ACTION_KEEP][0])
|
|
|
continue
|
|
|
# If keep absent is an option, just do that
|
|
|
if mergestatemod.ACTION_KEEP_ABSENT in bids:
|
|
|
repo.ui.note(_(b" %s: picking 'keep absent' action\n") % f)
|
|
|
mresult.addfile(f, *bids[mergestatemod.ACTION_KEEP_ABSENT][0])
|
|
|
continue
|
|
|
# ACTION_KEEP_NEW and ACTION_CHANGED_DELETED are conflicting actions
|
|
|
# as one say that file is new while other says that file was present
|
|
|
# earlier too and has a change delete conflict
|
|
|
# Let's fall back to conflicting ACTION_CHANGED_DELETED and let user
|
|
|
# do the right thing
|
|
|
if (
|
|
|
mergestatemod.ACTION_CHANGED_DELETED in bids
|
|
|
and mergestatemod.ACTION_KEEP_NEW in bids
|
|
|
):
|
|
|
repo.ui.note(_(b" %s: picking 'changed/deleted' action\n") % f)
|
|
|
mresult.addfile(
|
|
|
f, *bids[mergestatemod.ACTION_CHANGED_DELETED][0]
|
|
|
)
|
|
|
continue
|
|
|
# If keep new is an option, let's just do that
|
|
|
if mergestatemod.ACTION_KEEP_NEW in bids:
|
|
|
repo.ui.note(_(b" %s: picking 'keep new' action\n") % f)
|
|
|
mresult.addfile(f, *bids[mergestatemod.ACTION_KEEP_NEW][0])
|
|
|
continue
|
|
|
# ACTION_GET and ACTION_DELETE_CHANGED are conflicting actions as
|
|
|
# one action states the file is newer/created on remote side and
|
|
|
# other states that file is deleted locally and changed on remote
|
|
|
# side. Let's fallback and rely on a conflicting action to let user
|
|
|
# do the right thing
|
|
|
if (
|
|
|
mergestatemod.ACTION_DELETED_CHANGED in bids
|
|
|
and mergestatemod.ACTION_GET in bids
|
|
|
):
|
|
|
repo.ui.note(_(b" %s: picking 'delete/changed' action\n") % f)
|
|
|
mresult.addfile(
|
|
|
f, *bids[mergestatemod.ACTION_DELETED_CHANGED][0]
|
|
|
)
|
|
|
continue
|
|
|
# If there are gets and they all agree [how could they not?], do it.
|
|
|
if mergestatemod.ACTION_GET in bids:
|
|
|
ga0 = bids[mergestatemod.ACTION_GET][0]
|
|
|
if all(a == ga0 for a in bids[mergestatemod.ACTION_GET][1:]):
|
|
|
repo.ui.note(_(b" %s: picking 'get' action\n") % f)
|
|
|
mresult.addfile(f, *ga0)
|
|
|
continue
|
|
|
# TODO: Consider other simple actions such as mode changes
|
|
|
# Handle inefficient democrazy.
|
|
|
repo.ui.note(_(b' %s: multiple bids for merge action:\n') % f)
|
|
|
for m, l in sorted(bids.items()):
|
|
|
for _f, args, msg in l:
|
|
|
repo.ui.note(b' %s -> %s\n' % (msg, m))
|
|
|
# Pick random action. TODO: Instead, prompt user when resolving
|
|
|
m, l = list(bids.items())[0]
|
|
|
repo.ui.warn(
|
|
|
_(b' %s: ambiguous merge - picked %s action\n') % (f, m)
|
|
|
)
|
|
|
mresult.addfile(f, *l[0])
|
|
|
continue
|
|
|
repo.ui.note(_(b'end of auction\n\n'))
|
|
|
mresult.updatevalues(diverge, renamedelete)
|
|
|
|
|
|
if wctx.rev() is None:
|
|
|
_forgetremoved(wctx, mctx, branchmerge, mresult)
|
|
|
|
|
|
sparse.filterupdatesactions(repo, wctx, mctx, branchmerge, mresult)
|
|
|
_resolvetrivial(repo, wctx, mctx, ancestors[0], mresult)
|
|
|
|
|
|
return mresult
|
|
|
|
|
|
|
|
|
def _getcwd():
|
|
|
try:
|
|
|
return encoding.getcwd()
|
|
|
except OSError as err:
|
|
|
if err.errno == errno.ENOENT:
|
|
|
return None
|
|
|
raise
|
|
|
|
|
|
|
|
|
def batchremove(repo, wctx, actions):
|
|
|
"""apply removes to the working directory
|
|
|
|
|
|
yields tuples for progress updates
|
|
|
"""
|
|
|
verbose = repo.ui.verbose
|
|
|
cwd = _getcwd()
|
|
|
i = 0
|
|
|
for f, args, msg in actions:
|
|
|
repo.ui.debug(b" %s: %s -> r\n" % (f, msg))
|
|
|
if verbose:
|
|
|
repo.ui.note(_(b"removing %s\n") % f)
|
|
|
wctx[f].audit()
|
|
|
try:
|
|
|
wctx[f].remove(ignoremissing=True)
|
|
|
except OSError as inst:
|
|
|
repo.ui.warn(
|
|
|
_(b"update failed to remove %s: %s!\n")
|
|
|
% (f, pycompat.bytestr(inst.strerror))
|
|
|
)
|
|
|
if i == 100:
|
|
|
yield i, f
|
|
|
i = 0
|
|
|
i += 1
|
|
|
if i > 0:
|
|
|
yield i, f
|
|
|
|
|
|
if cwd and not _getcwd():
|
|
|
# cwd was removed in the course of removing files; print a helpful
|
|
|
# warning.
|
|
|
repo.ui.warn(
|
|
|
_(
|
|
|
b"current directory was removed\n"
|
|
|
b"(consider changing to repo root: %s)\n"
|
|
|
)
|
|
|
% repo.root
|
|
|
)
|
|
|
|
|
|
|
|
|
def batchget(repo, mctx, wctx, wantfiledata, actions):
|
|
|
"""apply gets to the working directory
|
|
|
|
|
|
mctx is the context to get from
|
|
|
|
|
|
Yields arbitrarily many (False, tuple) for progress updates, followed by
|
|
|
exactly one (True, filedata). When wantfiledata is false, filedata is an
|
|
|
empty dict. When wantfiledata is true, filedata[f] is a triple (mode, size,
|
|
|
mtime) of the file f written for each action.
|
|
|
"""
|
|
|
filedata = {}
|
|
|
verbose = repo.ui.verbose
|
|
|
fctx = mctx.filectx
|
|
|
ui = repo.ui
|
|
|
i = 0
|
|
|
with repo.wvfs.backgroundclosing(ui, expectedcount=len(actions)):
|
|
|
for f, (flags, backup), msg in actions:
|
|
|
repo.ui.debug(b" %s: %s -> g\n" % (f, msg))
|
|
|
if verbose:
|
|
|
repo.ui.note(_(b"getting %s\n") % f)
|
|
|
|
|
|
if backup:
|
|
|
# If a file or directory exists with the same name, back that
|
|
|
# up. Otherwise, look to see if there is a file that conflicts
|
|
|
# with a directory this file is in, and if so, back that up.
|
|
|
conflicting = f
|
|
|
if not repo.wvfs.lexists(f):
|
|
|
for p in pathutil.finddirs(f):
|
|
|
if repo.wvfs.isfileorlink(p):
|
|
|
conflicting = p
|
|
|
break
|
|
|
if repo.wvfs.lexists(conflicting):
|
|
|
orig = scmutil.backuppath(ui, repo, conflicting)
|
|
|
util.rename(repo.wjoin(conflicting), orig)
|
|
|
wfctx = wctx[f]
|
|
|
wfctx.clearunknown()
|
|
|
atomictemp = ui.configbool(b"experimental", b"update.atomic-file")
|
|
|
size = wfctx.write(
|
|
|
fctx(f).data(),
|
|
|
flags,
|
|
|
backgroundclose=True,
|
|
|
atomictemp=atomictemp,
|
|
|
)
|
|
|
if wantfiledata:
|
|
|
s = wfctx.lstat()
|
|
|
mode = s.st_mode
|
|
|
mtime = s[stat.ST_MTIME]
|
|
|
filedata[f] = (mode, size, mtime) # for dirstate.normal
|
|
|
if i == 100:
|
|
|
yield False, (i, f)
|
|
|
i = 0
|
|
|
i += 1
|
|
|
if i > 0:
|
|
|
yield False, (i, f)
|
|
|
yield True, filedata
|
|
|
|
|
|
|
|
|
def _prefetchfiles(repo, ctx, mresult):
|
|
|
"""Invoke ``scmutil.prefetchfiles()`` for the files relevant to the dict
|
|
|
of merge actions. ``ctx`` is the context being merged in."""
|
|
|
|
|
|
# Skipping 'a', 'am', 'f', 'r', 'dm', 'e', 'k', 'p' and 'pr', because they
|
|
|
# don't touch the context to be merged in. 'cd' is skipped, because
|
|
|
# changed/deleted never resolves to something from the remote side.
|
|
|
files = mresult.files(
|
|
|
[
|
|
|
mergestatemod.ACTION_GET,
|
|
|
mergestatemod.ACTION_DELETED_CHANGED,
|
|
|
mergestatemod.ACTION_LOCAL_DIR_RENAME_GET,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
]
|
|
|
)
|
|
|
|
|
|
prefetch = scmutil.prefetchfiles
|
|
|
matchfiles = scmutil.matchfiles
|
|
|
prefetch(
|
|
|
repo,
|
|
|
[
|
|
|
(
|
|
|
ctx.rev(),
|
|
|
matchfiles(repo, files),
|
|
|
)
|
|
|
],
|
|
|
)
|
|
|
|
|
|
|
|
|
@attr.s(frozen=True)
|
|
|
class updateresult(object):
|
|
|
updatedcount = attr.ib()
|
|
|
mergedcount = attr.ib()
|
|
|
removedcount = attr.ib()
|
|
|
unresolvedcount = attr.ib()
|
|
|
|
|
|
def isempty(self):
|
|
|
return not (
|
|
|
self.updatedcount
|
|
|
or self.mergedcount
|
|
|
or self.removedcount
|
|
|
or self.unresolvedcount
|
|
|
)
|
|
|
|
|
|
|
|
|
def applyupdates(
|
|
|
repo,
|
|
|
mresult,
|
|
|
wctx,
|
|
|
mctx,
|
|
|
overwrite,
|
|
|
wantfiledata,
|
|
|
labels=None,
|
|
|
):
|
|
|
"""apply the merge action list to the working directory
|
|
|
|
|
|
mresult is a mergeresult object representing result of the merge
|
|
|
wctx is the working copy context
|
|
|
mctx is the context to be merged into the working copy
|
|
|
|
|
|
Return a tuple of (counts, filedata), where counts is a tuple
|
|
|
(updated, merged, removed, unresolved) that describes how many
|
|
|
files were affected by the update, and filedata is as described in
|
|
|
batchget.
|
|
|
"""
|
|
|
|
|
|
_prefetchfiles(repo, mctx, mresult)
|
|
|
|
|
|
updated, merged, removed = 0, 0, 0
|
|
|
ms = wctx.mergestate(clean=True)
|
|
|
ms.start(wctx.p1().node(), mctx.node(), labels)
|
|
|
|
|
|
for f, op in pycompat.iteritems(mresult.commitinfo):
|
|
|
# the other side of filenode was choosen while merging, store this in
|
|
|
# mergestate so that it can be reused on commit
|
|
|
ms.addcommitinfo(f, op)
|
|
|
|
|
|
numupdates = mresult.len() - mresult.len(mergestatemod.NO_OP_ACTIONS)
|
|
|
progress = repo.ui.makeprogress(
|
|
|
_(b'updating'), unit=_(b'files'), total=numupdates
|
|
|
)
|
|
|
|
|
|
if b'.hgsubstate' in mresult._actionmapping[mergestatemod.ACTION_REMOVE]:
|
|
|
subrepoutil.submerge(repo, wctx, mctx, wctx, overwrite, labels)
|
|
|
|
|
|
# record path conflicts
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
[mergestatemod.ACTION_PATH_CONFLICT], sort=True
|
|
|
):
|
|
|
f1, fo = args
|
|
|
s = repo.ui.status
|
|
|
s(
|
|
|
_(
|
|
|
b"%s: path conflict - a file or link has the same name as a "
|
|
|
b"directory\n"
|
|
|
)
|
|
|
% f
|
|
|
)
|
|
|
if fo == b'l':
|
|
|
s(_(b"the local file has been renamed to %s\n") % f1)
|
|
|
else:
|
|
|
s(_(b"the remote file has been renamed to %s\n") % f1)
|
|
|
s(_(b"resolve manually then use 'hg resolve --mark %s'\n") % f)
|
|
|
ms.addpathconflict(f, f1, fo)
|
|
|
progress.increment(item=f)
|
|
|
|
|
|
# When merging in-memory, we can't support worker processes, so set the
|
|
|
# per-item cost at 0 in that case.
|
|
|
cost = 0 if wctx.isinmemory() else 0.001
|
|
|
|
|
|
# remove in parallel (must come before resolving path conflicts and getting)
|
|
|
prog = worker.worker(
|
|
|
repo.ui,
|
|
|
cost,
|
|
|
batchremove,
|
|
|
(repo, wctx),
|
|
|
list(mresult.getactions([mergestatemod.ACTION_REMOVE], sort=True)),
|
|
|
)
|
|
|
for i, item in prog:
|
|
|
progress.increment(step=i, item=item)
|
|
|
removed = mresult.len((mergestatemod.ACTION_REMOVE,))
|
|
|
|
|
|
# resolve path conflicts (must come before getting)
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
[mergestatemod.ACTION_PATH_CONFLICT_RESOLVE], sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> pr\n" % (f, msg))
|
|
|
(f0, origf0) = args
|
|
|
if wctx[f0].lexists():
|
|
|
repo.ui.note(_(b"moving %s to %s\n") % (f0, f))
|
|
|
wctx[f].audit()
|
|
|
wctx[f].write(wctx.filectx(f0).data(), wctx.filectx(f0).flags())
|
|
|
wctx[f0].remove()
|
|
|
progress.increment(item=f)
|
|
|
|
|
|
# get in parallel.
|
|
|
threadsafe = repo.ui.configbool(
|
|
|
b'experimental', b'worker.wdir-get-thread-safe'
|
|
|
)
|
|
|
prog = worker.worker(
|
|
|
repo.ui,
|
|
|
cost,
|
|
|
batchget,
|
|
|
(repo, mctx, wctx, wantfiledata),
|
|
|
list(mresult.getactions([mergestatemod.ACTION_GET], sort=True)),
|
|
|
threadsafe=threadsafe,
|
|
|
hasretval=True,
|
|
|
)
|
|
|
getfiledata = {}
|
|
|
for final, res in prog:
|
|
|
if final:
|
|
|
getfiledata = res
|
|
|
else:
|
|
|
i, item = res
|
|
|
progress.increment(step=i, item=item)
|
|
|
|
|
|
if b'.hgsubstate' in mresult._actionmapping[mergestatemod.ACTION_GET]:
|
|
|
subrepoutil.submerge(repo, wctx, mctx, wctx, overwrite, labels)
|
|
|
|
|
|
# forget (manifest only, just log it) (must come first)
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
(mergestatemod.ACTION_FORGET,), sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> f\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
|
|
|
# re-add (manifest only, just log it)
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
(mergestatemod.ACTION_ADD,), sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> a\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
|
|
|
# re-add/mark as modified (manifest only, just log it)
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
(mergestatemod.ACTION_ADD_MODIFIED,), sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> am\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
|
|
|
# keep (noop, just log it)
|
|
|
for a in mergestatemod.NO_OP_ACTIONS:
|
|
|
for f, args, msg in mresult.getactions((a,), sort=True):
|
|
|
repo.ui.debug(b" %s: %s -> %s\n" % (f, msg, a))
|
|
|
# no progress
|
|
|
|
|
|
# directory rename, move local
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
(mergestatemod.ACTION_DIR_RENAME_MOVE_LOCAL,), sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> dm\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
f0, flags = args
|
|
|
repo.ui.note(_(b"moving %s to %s\n") % (f0, f))
|
|
|
wctx[f].audit()
|
|
|
wctx[f].write(wctx.filectx(f0).data(), flags)
|
|
|
wctx[f0].remove()
|
|
|
|
|
|
# local directory rename, get
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
(mergestatemod.ACTION_LOCAL_DIR_RENAME_GET,), sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> dg\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
f0, flags = args
|
|
|
repo.ui.note(_(b"getting %s to %s\n") % (f0, f))
|
|
|
wctx[f].write(mctx.filectx(f0).data(), flags)
|
|
|
|
|
|
# exec
|
|
|
for f, args, msg in mresult.getactions(
|
|
|
(mergestatemod.ACTION_EXEC,), sort=True
|
|
|
):
|
|
|
repo.ui.debug(b" %s: %s -> e\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
(flags,) = args
|
|
|
wctx[f].audit()
|
|
|
wctx[f].setflags(b'l' in flags, b'x' in flags)
|
|
|
|
|
|
moves = []
|
|
|
|
|
|
# 'cd' and 'dc' actions are treated like other merge conflicts
|
|
|
mergeactions = list(
|
|
|
mresult.getactions(
|
|
|
[
|
|
|
mergestatemod.ACTION_CHANGED_DELETED,
|
|
|
mergestatemod.ACTION_DELETED_CHANGED,
|
|
|
mergestatemod.ACTION_MERGE,
|
|
|
],
|
|
|
sort=True,
|
|
|
)
|
|
|
)
|
|
|
for f, args, msg in mergeactions:
|
|
|
f1, f2, fa, move, anc = args
|
|
|
if f == b'.hgsubstate': # merged internally
|
|
|
continue
|
|
|
if f1 is None:
|
|
|
fcl = filemerge.absentfilectx(wctx, fa)
|
|
|
else:
|
|
|
repo.ui.debug(b" preserving %s for resolve of %s\n" % (f1, f))
|
|
|
fcl = wctx[f1]
|
|
|
if f2 is None:
|
|
|
fco = filemerge.absentfilectx(mctx, fa)
|
|
|
else:
|
|
|
fco = mctx[f2]
|
|
|
actx = repo[anc]
|
|
|
if fa in actx:
|
|
|
fca = actx[fa]
|
|
|
else:
|
|
|
# TODO: move to absentfilectx
|
|
|
fca = repo.filectx(f1, fileid=nullrev)
|
|
|
ms.add(fcl, fco, fca, f)
|
|
|
if f1 != f and move:
|
|
|
moves.append(f1)
|
|
|
|
|
|
# remove renamed files after safely stored
|
|
|
for f in moves:
|
|
|
if wctx[f].lexists():
|
|
|
repo.ui.debug(b"removing %s\n" % f)
|
|
|
wctx[f].audit()
|
|
|
wctx[f].remove()
|
|
|
|
|
|
# these actions updates the file
|
|
|
updated = mresult.len(
|
|
|
(
|
|
|
mergestatemod.ACTION_GET,
|
|
|
mergestatemod.ACTION_EXEC,
|
|
|
mergestatemod.ACTION_LOCAL_DIR_RENAME_GET,
|
|
|
mergestatemod.ACTION_DIR_RENAME_MOVE_LOCAL,
|
|
|
)
|
|
|
)
|
|
|
|
|
|
try:
|
|
|
# premerge
|
|
|
tocomplete = []
|
|
|
for f, args, msg in mergeactions:
|
|
|
repo.ui.debug(b" %s: %s -> m (premerge)\n" % (f, msg))
|
|
|
progress.increment(item=f)
|
|
|
if f == b'.hgsubstate': # subrepo states need updating
|
|
|
subrepoutil.submerge(
|
|
|
repo, wctx, mctx, wctx.ancestor(mctx), overwrite, labels
|
|
|
)
|
|
|
continue
|
|
|
wctx[f].audit()
|
|
|
complete, r = ms.preresolve(f, wctx)
|
|
|
if not complete:
|
|
|
numupdates += 1
|
|
|
tocomplete.append((f, args, msg))
|
|
|
|
|
|
# merge
|
|
|
for f, args, msg in tocomplete:
|
|
|
repo.ui.debug(b" %s: %s -> m (merge)\n" % (f, msg))
|
|
|
progress.increment(item=f, total=numupdates)
|
|
|
ms.resolve(f, wctx)
|
|
|
|
|
|
finally:
|
|
|
ms.commit()
|
|
|
|
|
|
unresolved = ms.unresolvedcount()
|
|
|
|
|
|
msupdated, msmerged, msremoved = ms.counts()
|
|
|
updated += msupdated
|
|
|
merged += msmerged
|
|
|
removed += msremoved
|
|
|
|
|
|
extraactions = ms.actions()
|
|
|
if extraactions:
|
|
|
for k, acts in pycompat.iteritems(extraactions):
|
|
|
for a in acts:
|
|
|
mresult.addfile(a[0], k, *a[1:])
|
|
|
if k == mergestatemod.ACTION_GET and wantfiledata:
|
|
|
# no filedata until mergestate is updated to provide it
|
|
|
for a in acts:
|
|
|
getfiledata[a[0]] = None
|
|
|
|
|
|
progress.complete()
|
|
|
assert len(getfiledata) == (
|
|
|
mresult.len((mergestatemod.ACTION_GET,)) if wantfiledata else 0
|
|
|
)
|
|
|
return updateresult(updated, merged, removed, unresolved), getfiledata
|
|
|
|
|
|
|
|
|
def _advertisefsmonitor(repo, num_gets, p1node):
|
|
|
# Advertise fsmonitor when its presence could be useful.
|
|
|
#
|
|
|
# We only advertise when performing an update from an empty working
|
|
|
# directory. This typically only occurs during initial clone.
|
|
|
#
|
|
|
# We give users a mechanism to disable the warning in case it is
|
|
|
# annoying.
|
|
|
#
|
|
|
# We only allow on Linux and MacOS because that's where fsmonitor is
|
|
|
# considered stable.
|
|
|
fsmonitorwarning = repo.ui.configbool(b'fsmonitor', b'warn_when_unused')
|
|
|
fsmonitorthreshold = repo.ui.configint(
|
|
|
b'fsmonitor', b'warn_update_file_count'
|
|
|
)
|
|
|
# avoid cycle dirstate -> sparse -> merge -> dirstate
|
|
|
from . import dirstate
|
|
|
|
|
|
if dirstate.rustmod is not None:
|
|
|
# When using rust status, fsmonitor becomes necessary at higher sizes
|
|
|
fsmonitorthreshold = repo.ui.configint(
|
|
|
b'fsmonitor',
|
|
|
b'warn_update_file_count_rust',
|
|
|
)
|
|
|
|
|
|
try:
|
|
|
# avoid cycle: extensions -> cmdutil -> merge
|
|
|
from . import extensions
|
|
|
|
|
|
extensions.find(b'fsmonitor')
|
|
|
fsmonitorenabled = repo.ui.config(b'fsmonitor', b'mode') != b'off'
|
|
|
# We intentionally don't look at whether fsmonitor has disabled
|
|
|
# itself because a) fsmonitor may have already printed a warning
|
|
|
# b) we only care about the config state here.
|
|
|
except KeyError:
|
|
|
fsmonitorenabled = False
|
|
|
|
|
|
if (
|
|
|
fsmonitorwarning
|
|
|
and not fsmonitorenabled
|
|
|
and p1node == nullid
|
|
|
and num_gets >= fsmonitorthreshold
|
|
|
and pycompat.sysplatform.startswith((b'linux', b'darwin'))
|
|
|
):
|
|
|
repo.ui.warn(
|
|
|
_(
|
|
|
b'(warning: large working directory being used without '
|
|
|
b'fsmonitor enabled; enable fsmonitor to improve performance; '
|
|
|
b'see "hg help -e fsmonitor")\n'
|
|
|
)
|
|
|
)
|
|
|
|
|
|
|
|
|
UPDATECHECK_ABORT = b'abort' # handled at higher layers
|
|
|
UPDATECHECK_NONE = b'none'
|
|
|
UPDATECHECK_LINEAR = b'linear'
|
|
|
UPDATECHECK_NO_CONFLICT = b'noconflict'
|
|
|
|
|
|
|
|
|
def _update(
|
|
|
repo,
|
|
|
node,
|
|
|
branchmerge,
|
|
|
force,
|
|
|
ancestor=None,
|
|
|
mergeancestor=False,
|
|
|
labels=None,
|
|
|
matcher=None,
|
|
|
mergeforce=False,
|
|
|
updatedirstate=True,
|
|
|
updatecheck=None,
|
|
|
wc=None,
|
|
|
):
|
|
|
"""
|
|
|
Perform a merge between the working directory and the given node
|
|
|
|
|
|
node = the node to update to
|
|
|
branchmerge = whether to merge between branches
|
|
|
force = whether to force branch merging or file overwriting
|
|
|
matcher = a matcher to filter file lists (dirstate not updated)
|
|
|
mergeancestor = whether it is merging with an ancestor. If true,
|
|
|
we should accept the incoming changes for any prompts that occur.
|
|
|
If false, merging with an ancestor (fast-forward) is only allowed
|
|
|
between different named branches. This flag is used by rebase extension
|
|
|
as a temporary fix and should be avoided in general.
|
|
|
labels = labels to use for base, local and other
|
|
|
mergeforce = whether the merge was run with 'merge --force' (deprecated): if
|
|
|
this is True, then 'force' should be True as well.
|
|
|
|
|
|
The table below shows all the behaviors of the update command given the
|
|
|
-c/--check and -C/--clean or no options, whether the working directory is
|
|
|
dirty, whether a revision is specified, and the relationship of the parent
|
|
|
rev to the target rev (linear or not). Match from top first. The -n
|
|
|
option doesn't exist on the command line, but represents the
|
|
|
experimental.updatecheck=noconflict option.
|
|
|
|
|
|
This logic is tested by test-update-branches.t.
|
|
|
|
|
|
-c -C -n -m dirty rev linear | result
|
|
|
y y * * * * * | (1)
|
|
|
y * y * * * * | (1)
|
|
|
y * * y * * * | (1)
|
|
|
* y y * * * * | (1)
|
|
|
* y * y * * * | (1)
|
|
|
* * y y * * * | (1)
|
|
|
* * * * * n n | x
|
|
|
* * * * n * * | ok
|
|
|
n n n n y * y | merge
|
|
|
n n n n y y n | (2)
|
|
|
n n n y y * * | merge
|
|
|
n n y n y * * | merge if no conflict
|
|
|
n y n n y * * | discard
|
|
|
y n n n y * * | (3)
|
|
|
|
|
|
x = can't happen
|
|
|
* = don't-care
|
|
|
1 = incompatible options (checked in commands.py)
|
|
|
2 = abort: uncommitted changes (commit or update --clean to discard changes)
|
|
|
3 = abort: uncommitted changes (checked in commands.py)
|
|
|
|
|
|
The merge is performed inside ``wc``, a workingctx-like objects. It defaults
|
|
|
to repo[None] if None is passed.
|
|
|
|
|
|
Return the same tuple as applyupdates().
|
|
|
"""
|
|
|
# Avoid cycle.
|
|
|
from . import sparse
|
|
|
|
|
|
# This function used to find the default destination if node was None, but
|
|
|
# that's now in destutil.py.
|
|
|
assert node is not None
|
|
|
if not branchmerge and not force:
|
|
|
# TODO: remove the default once all callers that pass branchmerge=False
|
|
|
# and force=False pass a value for updatecheck. We may want to allow
|
|
|
# updatecheck='abort' to better suppport some of these callers.
|
|
|
if updatecheck is None:
|
|
|
updatecheck = UPDATECHECK_LINEAR
|
|
|
if updatecheck not in (
|
|
|
UPDATECHECK_NONE,
|
|
|
UPDATECHECK_LINEAR,
|
|
|
UPDATECHECK_NO_CONFLICT,
|
|
|
):
|
|
|
raise ValueError(
|
|
|
r'Invalid updatecheck %r (can accept %r)'
|
|
|
% (
|
|
|
updatecheck,
|
|
|
(
|
|
|
UPDATECHECK_NONE,
|
|
|
UPDATECHECK_LINEAR,
|
|
|
UPDATECHECK_NO_CONFLICT,
|
|
|
),
|
|
|
)
|
|
|
)
|
|
|
if wc is not None and wc.isinmemory():
|
|
|
maybe_wlock = util.nullcontextmanager()
|
|
|
else:
|
|
|
maybe_wlock = repo.wlock()
|
|
|
with maybe_wlock:
|
|
|
if wc is None:
|
|
|
wc = repo[None]
|
|
|
pl = wc.parents()
|
|
|
p1 = pl[0]
|
|
|
p2 = repo[node]
|
|
|
if ancestor is not None:
|
|
|
pas = [repo[ancestor]]
|
|
|
else:
|
|
|
if repo.ui.configlist(b'merge', b'preferancestor') == [b'*']:
|
|
|
cahs = repo.changelog.commonancestorsheads(p1.node(), p2.node())
|
|
|
pas = [repo[anc] for anc in (sorted(cahs) or [nullid])]
|
|
|
else:
|
|
|
pas = [p1.ancestor(p2, warn=branchmerge)]
|
|
|
|
|
|
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), bytes(p1), bytes(p2)
|
|
|
|
|
|
overwrite = force and not branchmerge
|
|
|
### check phase
|
|
|
if not overwrite:
|
|
|
if len(pl) > 1:
|
|
|
raise error.Abort(_(b"outstanding uncommitted merge"))
|
|
|
ms = wc.mergestate()
|
|
|
if list(ms.unresolved()):
|
|
|
raise error.Abort(
|
|
|
_(b"outstanding merge conflicts"),
|
|
|
hint=_(b"use 'hg resolve' to resolve"),
|
|
|
)
|
|
|
if branchmerge:
|
|
|
if pas == [p2]:
|
|
|
raise error.Abort(
|
|
|
_(
|
|
|
b"merging with a working directory ancestor"
|
|
|
b" has no effect"
|
|
|
)
|
|
|
)
|
|
|
elif pas == [p1]:
|
|
|
if not mergeancestor and wc.branch() == p2.branch():
|
|
|
raise error.Abort(
|
|
|
_(b"nothing to merge"),
|
|
|
hint=_(b"use 'hg update' or check 'hg heads'"),
|
|
|
)
|
|
|
if not force and (wc.files() or wc.deleted()):
|
|
|
raise error.StateError(
|
|
|
_(b"uncommitted changes"),
|
|
|
hint=_(b"use 'hg status' to list changes"),
|
|
|
)
|
|
|
if not wc.isinmemory():
|
|
|
for s in sorted(wc.substate):
|
|
|
wc.sub(s).bailifchanged()
|
|
|
|
|
|
elif not overwrite:
|
|
|
if p1 == p2: # no-op update
|
|
|
# call the hooks and exit early
|
|
|
repo.hook(b'preupdate', throw=True, parent1=xp2, parent2=b'')
|
|
|
repo.hook(b'update', parent1=xp2, parent2=b'', error=0)
|
|
|
return updateresult(0, 0, 0, 0)
|
|
|
|
|
|
if updatecheck == UPDATECHECK_LINEAR and pas not in (
|
|
|
[p1],
|
|
|
[p2],
|
|
|
): # nonlinear
|
|
|
dirty = wc.dirty(missing=True)
|
|
|
if dirty:
|
|
|
# Branching is a bit strange to ensure we do the minimal
|
|
|
# amount of call to obsutil.foreground.
|
|
|
foreground = obsutil.foreground(repo, [p1.node()])
|
|
|
# note: the <node> variable contains a random identifier
|
|
|
if repo[node].node() in foreground:
|
|
|
pass # allow updating to successors
|
|
|
else:
|
|
|
msg = _(b"uncommitted changes")
|
|
|
hint = _(b"commit or update --clean to discard changes")
|
|
|
raise error.UpdateAbort(msg, hint=hint)
|
|
|
else:
|
|
|
# Allow jumping branches if clean and specific rev given
|
|
|
pass
|
|
|
|
|
|
if overwrite:
|
|
|
pas = [wc]
|
|
|
elif not branchmerge:
|
|
|
pas = [p1]
|
|
|
|
|
|
# deprecated config: merge.followcopies
|
|
|
followcopies = repo.ui.configbool(b'merge', b'followcopies')
|
|
|
if overwrite:
|
|
|
followcopies = False
|
|
|
elif not pas[0]:
|
|
|
followcopies = False
|
|
|
if not branchmerge and not wc.dirty(missing=True):
|
|
|
followcopies = False
|
|
|
|
|
|
### calculate phase
|
|
|
mresult = calculateupdates(
|
|
|
repo,
|
|
|
wc,
|
|
|
p2,
|
|
|
pas,
|
|
|
branchmerge,
|
|
|
force,
|
|
|
mergeancestor,
|
|
|
followcopies,
|
|
|
matcher=matcher,
|
|
|
mergeforce=mergeforce,
|
|
|
)
|
|
|
|
|
|
if updatecheck == UPDATECHECK_NO_CONFLICT:
|
|
|
if mresult.hasconflicts():
|
|
|
msg = _(b"conflicting changes")
|
|
|
hint = _(b"commit or update --clean to discard changes")
|
|
|
raise error.Abort(msg, hint=hint)
|
|
|
|
|
|
# Prompt and create actions. Most of this is in the resolve phase
|
|
|
# already, but we can't handle .hgsubstate in filemerge or
|
|
|
# subrepoutil.submerge yet so we have to keep prompting for it.
|
|
|
vals = mresult.getfile(b'.hgsubstate')
|
|
|
if vals:
|
|
|
f = b'.hgsubstate'
|
|
|
m, args, msg = vals
|
|
|
prompts = filemerge.partextras(labels)
|
|
|
prompts[b'f'] = f
|
|
|
if m == mergestatemod.ACTION_CHANGED_DELETED:
|
|
|
if repo.ui.promptchoice(
|
|
|
_(
|
|
|
b"local%(l)s changed %(f)s which other%(o)s deleted\n"
|
|
|
b"use (c)hanged version or (d)elete?"
|
|
|
b"$$ &Changed $$ &Delete"
|
|
|
)
|
|
|
% prompts,
|
|
|
0,
|
|
|
):
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_REMOVE,
|
|
|
None,
|
|
|
b'prompt delete',
|
|
|
)
|
|
|
elif f in p1:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_ADD_MODIFIED,
|
|
|
None,
|
|
|
b'prompt keep',
|
|
|
)
|
|
|
else:
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_ADD,
|
|
|
None,
|
|
|
b'prompt keep',
|
|
|
)
|
|
|
elif m == mergestatemod.ACTION_DELETED_CHANGED:
|
|
|
f1, f2, fa, move, anc = args
|
|
|
flags = p2[f2].flags()
|
|
|
if (
|
|
|
repo.ui.promptchoice(
|
|
|
_(
|
|
|
b"other%(o)s changed %(f)s which local%(l)s deleted\n"
|
|
|
b"use (c)hanged version or leave (d)eleted?"
|
|
|
b"$$ &Changed $$ &Deleted"
|
|
|
)
|
|
|
% prompts,
|
|
|
0,
|
|
|
)
|
|
|
== 0
|
|
|
):
|
|
|
mresult.addfile(
|
|
|
f,
|
|
|
mergestatemod.ACTION_GET,
|
|
|
(flags, False),
|
|
|
b'prompt recreating',
|
|
|
)
|
|
|
else:
|
|
|
mresult.removefile(f)
|
|
|
|
|
|
if not util.fscasesensitive(repo.path):
|
|
|
# check collision between files only in p2 for clean update
|
|
|
if not branchmerge and (
|
|
|
force or not wc.dirty(missing=True, branch=False)
|
|
|
):
|
|
|
_checkcollision(repo, p2.manifest(), None)
|
|
|
else:
|
|
|
_checkcollision(repo, wc.manifest(), mresult)
|
|
|
|
|
|
# divergent renames
|
|
|
for f, fl in sorted(pycompat.iteritems(mresult.diverge)):
|
|
|
repo.ui.warn(
|
|
|
_(
|
|
|
b"note: possible conflict - %s was renamed "
|
|
|
b"multiple times to:\n"
|
|
|
)
|
|
|
% f
|
|
|
)
|
|
|
for nf in sorted(fl):
|
|
|
repo.ui.warn(b" %s\n" % nf)
|
|
|
|
|
|
# rename and delete
|
|
|
for f, fl in sorted(pycompat.iteritems(mresult.renamedelete)):
|
|
|
repo.ui.warn(
|
|
|
_(
|
|
|
b"note: possible conflict - %s was deleted "
|
|
|
b"and renamed to:\n"
|
|
|
)
|
|
|
% f
|
|
|
)
|
|
|
for nf in sorted(fl):
|
|
|
repo.ui.warn(b" %s\n" % nf)
|
|
|
|
|
|
### apply phase
|
|
|
if not branchmerge: # just jump to the new rev
|
|
|
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, b''
|
|
|
# If we're doing a partial update, we need to skip updating
|
|
|
# the dirstate.
|
|
|
always = matcher is None or matcher.always()
|
|
|
updatedirstate = updatedirstate and always and not wc.isinmemory()
|
|
|
if updatedirstate:
|
|
|
repo.hook(b'preupdate', throw=True, parent1=xp1, parent2=xp2)
|
|
|
# note that we're in the middle of an update
|
|
|
repo.vfs.write(b'updatestate', p2.hex())
|
|
|
|
|
|
_advertisefsmonitor(
|
|
|
repo, mresult.len((mergestatemod.ACTION_GET,)), p1.node()
|
|
|
)
|
|
|
|
|
|
wantfiledata = updatedirstate and not branchmerge
|
|
|
stats, getfiledata = applyupdates(
|
|
|
repo,
|
|
|
mresult,
|
|
|
wc,
|
|
|
p2,
|
|
|
overwrite,
|
|
|
wantfiledata,
|
|
|
labels=labels,
|
|
|
)
|
|
|
|
|
|
if updatedirstate:
|
|
|
with repo.dirstate.parentchange():
|
|
|
repo.setparents(fp1, fp2)
|
|
|
mergestatemod.recordupdates(
|
|
|
repo, mresult.actionsdict, branchmerge, getfiledata
|
|
|
)
|
|
|
# update completed, clear state
|
|
|
util.unlink(repo.vfs.join(b'updatestate'))
|
|
|
|
|
|
if not branchmerge:
|
|
|
repo.dirstate.setbranch(p2.branch())
|
|
|
|
|
|
# If we're updating to a location, clean up any stale temporary includes
|
|
|
# (ex: this happens during hg rebase --abort).
|
|
|
if not branchmerge:
|
|
|
sparse.prunetemporaryincludes(repo)
|
|
|
|
|
|
if updatedirstate:
|
|
|
repo.hook(
|
|
|
b'update', parent1=xp1, parent2=xp2, error=stats.unresolvedcount
|
|
|
)
|
|
|
return stats
|
|
|
|
|
|
|
|
|
def merge(ctx, labels=None, force=False, wc=None):
|
|
|
"""Merge another topological branch into the working copy.
|
|
|
|
|
|
force = whether the merge was run with 'merge --force' (deprecated)
|
|
|
"""
|
|
|
|
|
|
return _update(
|
|
|
ctx.repo(),
|
|
|
ctx.rev(),
|
|
|
labels=labels,
|
|
|
branchmerge=True,
|
|
|
force=force,
|
|
|
mergeforce=force,
|
|
|
wc=wc,
|
|
|
)
|
|
|
|
|
|
|
|
|
def update(ctx, updatecheck=None, wc=None):
|
|
|
"""Do a regular update to the given commit, aborting if there are conflicts.
|
|
|
|
|
|
The 'updatecheck' argument can be used to control what to do in case of
|
|
|
conflicts.
|
|
|
|
|
|
Note: This is a new, higher-level update() than the one that used to exist
|
|
|
in this module. That function is now called _update(). You can hopefully
|
|
|
replace your callers to use this new update(), or clean_update(), merge(),
|
|
|
revert_to(), or graft().
|
|
|
"""
|
|
|
return _update(
|
|
|
ctx.repo(),
|
|
|
ctx.rev(),
|
|
|
branchmerge=False,
|
|
|
force=False,
|
|
|
labels=[b'working copy', b'destination'],
|
|
|
updatecheck=updatecheck,
|
|
|
wc=wc,
|
|
|
)
|
|
|
|
|
|
|
|
|
def clean_update(ctx, wc=None):
|
|
|
"""Do a clean update to the given commit.
|
|
|
|
|
|
This involves updating to the commit and discarding any changes in the
|
|
|
working copy.
|
|
|
"""
|
|
|
return _update(ctx.repo(), ctx.rev(), branchmerge=False, force=True, wc=wc)
|
|
|
|
|
|
|
|
|
def revert_to(ctx, matcher=None, wc=None):
|
|
|
"""Revert the working copy to the given commit.
|
|
|
|
|
|
The working copy will keep its current parent(s) but its content will
|
|
|
be the same as in the given commit.
|
|
|
"""
|
|
|
|
|
|
return _update(
|
|
|
ctx.repo(),
|
|
|
ctx.rev(),
|
|
|
branchmerge=False,
|
|
|
force=True,
|
|
|
updatedirstate=False,
|
|
|
matcher=matcher,
|
|
|
wc=wc,
|
|
|
)
|
|
|
|
|
|
|
|
|
def graft(
|
|
|
repo,
|
|
|
ctx,
|
|
|
base=None,
|
|
|
labels=None,
|
|
|
keepparent=False,
|
|
|
keepconflictparent=False,
|
|
|
wctx=None,
|
|
|
):
|
|
|
"""Do a graft-like merge.
|
|
|
|
|
|
This is a merge where the merge ancestor is chosen such that one
|
|
|
or more changesets are grafted onto the current changeset. In
|
|
|
addition to the merge, this fixes up the dirstate to include only
|
|
|
a single parent (if keepparent is False) and tries to duplicate any
|
|
|
renames/copies appropriately.
|
|
|
|
|
|
ctx - changeset to rebase
|
|
|
base - merge base, or ctx.p1() if not specified
|
|
|
labels - merge labels eg ['local', 'graft']
|
|
|
keepparent - keep second parent if any
|
|
|
keepconflictparent - if unresolved, keep parent used for the merge
|
|
|
|
|
|
"""
|
|
|
# If we're grafting a descendant onto an ancestor, be sure to pass
|
|
|
# mergeancestor=True to update. This does two things: 1) allows the merge if
|
|
|
# the destination is the same as the parent of the ctx (so we can use graft
|
|
|
# to copy commits), and 2) informs update that the incoming changes are
|
|
|
# newer than the destination so it doesn't prompt about "remote changed foo
|
|
|
# which local deleted".
|
|
|
# We also pass mergeancestor=True when base is the same revision as p1. 2)
|
|
|
# doesn't matter as there can't possibly be conflicts, but 1) is necessary.
|
|
|
wctx = wctx or repo[None]
|
|
|
pctx = wctx.p1()
|
|
|
base = base or ctx.p1()
|
|
|
mergeancestor = (
|
|
|
repo.changelog.isancestor(pctx.node(), ctx.node())
|
|
|
or pctx.rev() == base.rev()
|
|
|
)
|
|
|
|
|
|
stats = _update(
|
|
|
repo,
|
|
|
ctx.node(),
|
|
|
True,
|
|
|
True,
|
|
|
base.node(),
|
|
|
mergeancestor=mergeancestor,
|
|
|
labels=labels,
|
|
|
wc=wctx,
|
|
|
)
|
|
|
|
|
|
if keepconflictparent and stats.unresolvedcount:
|
|
|
pother = ctx.node()
|
|
|
else:
|
|
|
pother = nullid
|
|
|
parents = ctx.parents()
|
|
|
if keepparent and len(parents) == 2 and base in parents:
|
|
|
parents.remove(base)
|
|
|
pother = parents[0].node()
|
|
|
# Never set both parents equal to each other
|
|
|
if pother == pctx.node():
|
|
|
pother = nullid
|
|
|
|
|
|
if wctx.isinmemory():
|
|
|
wctx.setparents(pctx.node(), pother)
|
|
|
# fix up dirstate for copies and renames
|
|
|
copies.graftcopies(wctx, ctx, base)
|
|
|
else:
|
|
|
with repo.dirstate.parentchange():
|
|
|
repo.setparents(pctx.node(), pother)
|
|
|
repo.dirstate.write(repo.currenttransaction())
|
|
|
# fix up dirstate for copies and renames
|
|
|
copies.graftcopies(wctx, ctx, base)
|
|
|
return stats
|
|
|
|
|
|
|
|
|
def back_out(ctx, parent=None, wc=None):
|
|
|
if parent is None:
|
|
|
if ctx.p2() is not None:
|
|
|
raise error.ProgrammingError(
|
|
|
b"must specify parent of merge commit to back out"
|
|
|
)
|
|
|
parent = ctx.p1()
|
|
|
return _update(
|
|
|
ctx.repo(),
|
|
|
parent,
|
|
|
branchmerge=True,
|
|
|
force=True,
|
|
|
ancestor=ctx.node(),
|
|
|
mergeancestor=False,
|
|
|
)
|
|
|
|
|
|
|
|
|
def purge(
|
|
|
repo,
|
|
|
matcher,
|
|
|
unknown=True,
|
|
|
ignored=False,
|
|
|
removeemptydirs=True,
|
|
|
removefiles=True,
|
|
|
abortonerror=False,
|
|
|
noop=False,
|
|
|
):
|
|
|
"""Purge the working directory of untracked files.
|
|
|
|
|
|
``matcher`` is a matcher configured to scan the working directory -
|
|
|
potentially a subset.
|
|
|
|
|
|
``unknown`` controls whether unknown files should be purged.
|
|
|
|
|
|
``ignored`` controls whether ignored files should be purged.
|
|
|
|
|
|
``removeemptydirs`` controls whether empty directories should be removed.
|
|
|
|
|
|
``removefiles`` controls whether files are removed.
|
|
|
|
|
|
``abortonerror`` causes an exception to be raised if an error occurs
|
|
|
deleting a file or directory.
|
|
|
|
|
|
``noop`` controls whether to actually remove files. If not defined, actions
|
|
|
will be taken.
|
|
|
|
|
|
Returns an iterable of relative paths in the working directory that were
|
|
|
or would be removed.
|
|
|
"""
|
|
|
|
|
|
def remove(removefn, path):
|
|
|
try:
|
|
|
removefn(path)
|
|
|
except OSError:
|
|
|
m = _(b'%s cannot be removed') % path
|
|
|
if abortonerror:
|
|
|
raise error.Abort(m)
|
|
|
else:
|
|
|
repo.ui.warn(_(b'warning: %s\n') % m)
|
|
|
|
|
|
# There's no API to copy a matcher. So mutate the passed matcher and
|
|
|
# restore it when we're done.
|
|
|
oldtraversedir = matcher.traversedir
|
|
|
|
|
|
res = []
|
|
|
|
|
|
try:
|
|
|
if removeemptydirs:
|
|
|
directories = []
|
|
|
matcher.traversedir = directories.append
|
|
|
|
|
|
status = repo.status(match=matcher, ignored=ignored, unknown=unknown)
|
|
|
|
|
|
if removefiles:
|
|
|
for f in sorted(status.unknown + status.ignored):
|
|
|
if not noop:
|
|
|
repo.ui.note(_(b'removing file %s\n') % f)
|
|
|
remove(repo.wvfs.unlink, f)
|
|
|
res.append(f)
|
|
|
|
|
|
if removeemptydirs:
|
|
|
for f in sorted(directories, reverse=True):
|
|
|
if matcher(f) and not repo.wvfs.listdir(f):
|
|
|
if not noop:
|
|
|
repo.ui.note(_(b'removing directory %s\n') % f)
|
|
|
remove(repo.wvfs.rmdir, f)
|
|
|
res.append(f)
|
|
|
|
|
|
return res
|
|
|
|
|
|
finally:
|
|
|
matcher.traversedir = oldtraversedir
|
|
|
|
