author | Yuya Nishihara <yuya@tcha.org> |
Sat, 20 Jun 2020 11:10:23 +0900 | |
changeset 44993 | 98f97026fa05 |
parent 44452 | 9d2b2df2c2ba |
child 45942 | 89a2afe31e82 |
permissions | -rw-r--r-- |
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# uncommit - undo the actions of a commit |
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# |
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# Copyright 2011 Peter Arrenbrecht <peter.arrenbrecht@gmail.com> |
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# Logilab SA <contact@logilab.fr> |
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# Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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# Patrick Mezard <patrick@mezard.eu> |
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# Copyright 2016 Facebook, Inc. |
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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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"""uncommit part or all of a local changeset (EXPERIMENTAL) |
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This command undoes the effect of a local commit, returning the affected |
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files to their uncommitted state. This means that files modified, added or |
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removed in the changeset will be left unchanged, and so will remain modified, |
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added and removed in the working directory. |
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""" |
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from __future__ import absolute_import |
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from mercurial.i18n import _ |
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from mercurial import ( |
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cmdutil, |
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commands, |
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context, |
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copies as copiesmod, |
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error, |
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node, |
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obsutil, |
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pathutil, |
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pycompat, |
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registrar, |
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rewriteutil, |
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scmutil, |
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) |
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cmdtable = {} |
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command = registrar.command(cmdtable) |
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configtable = {} |
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configitem = registrar.configitem(configtable) |
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configitem( |
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b'experimental', b'uncommitondirtywdir', default=False, |
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) |
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configitem( |
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b'experimental', b'uncommit.keep', default=False, |
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) |
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# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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# be specifying the version(s) of Mercurial they are tested with, or |
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# leave the attribute unspecified. |
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testedwith = b'ships-with-hg-core' |
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def _commitfiltered( |
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repo, ctx, match, keepcommit, message=None, user=None, date=None |
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): |
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"""Recommit ctx with changed files not in match. Return the new |
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node identifier, or None if nothing changed. |
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""" |
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base = ctx.p1() |
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# ctx |
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initialfiles = set(ctx.files()) |
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exclude = {f for f in initialfiles if match(f)} |
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# No files matched commit, so nothing excluded |
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if not exclude: |
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return None |
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# return the p1 so that we don't create an obsmarker later |
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if not keepcommit: |
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return ctx.p1().node() |
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files = initialfiles - exclude |
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# Filter copies |
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copied = copiesmod.pathcopies(base, ctx) |
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copied = { |
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dst: src for dst, src in pycompat.iteritems(copied) if dst in files |
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} |
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def filectxfn(repo, memctx, path, contentctx=ctx, redirect=()): |
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if path not in contentctx: |
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return None |
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fctx = contentctx[path] |
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mctx = context.memfilectx( |
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repo, |
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memctx, |
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fctx.path(), |
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fctx.data(), |
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fctx.islink(), |
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fctx.isexec(), |
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copysource=copied.get(path), |
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) |
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return mctx |
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if not files: |
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repo.ui.status(_(b"note: keeping empty commit\n")) |
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if message is None: |
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message = ctx.description() |
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if not user: |
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user = ctx.user() |
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if not date: |
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date = ctx.date() |
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new = context.memctx( |
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repo, |
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parents=[base.node(), node.nullid], |
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text=message, |
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files=files, |
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filectxfn=filectxfn, |
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user=user, |
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date=date, |
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extra=ctx.extra(), |
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) |
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return repo.commitctx(new) |
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|
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|
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@command( |
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b'uncommit', |
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[ |
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(b'', b'keep', None, _(b'allow an empty commit after uncommitting')), |
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( |
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b'', |
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b'allow-dirty-working-copy', |
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False, |
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_(b'allow uncommit with outstanding changes'), |
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), |
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(b'n', b'note', b'', _(b'store a note on uncommit'), _(b'TEXT')), |
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] |
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+ commands.walkopts |
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+ commands.commitopts |
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+ commands.commitopts2 |
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+ commands.commitopts3, |
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_(b'[OPTION]... [FILE]...'), |
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helpcategory=command.CATEGORY_CHANGE_MANAGEMENT, |
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141 |
) |
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def uncommit(ui, repo, *pats, **opts): |
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"""uncommit part or all of a local changeset |
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144 |
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This command undoes the effect of a local commit, returning the affected |
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files to their uncommitted state. This means that files modified or |
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deleted in the changeset will be left unchanged, and so will remain |
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modified in the working directory. |
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If no files are specified, the commit will be pruned, unless --keep is |
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151 |
given. |
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""" |
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opts = pycompat.byteskwargs(opts) |
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154 |
|
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cmdutil.checknotesize(ui, opts) |
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cmdutil.resolvecommitoptions(ui, opts) |
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157 |
|
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with repo.wlock(), repo.lock(): |
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159 |
|
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st = repo.status() |
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m, a, r, d = st.modified, st.added, st.removed, st.deleted |
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isdirtypath = any(set(m + a + r + d) & set(pats)) |
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allowdirtywcopy = opts[ |
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b'allow_dirty_working_copy' |
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] or repo.ui.configbool(b'experimental', b'uncommitondirtywdir') |
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if not allowdirtywcopy and (not pats or isdirtypath): |
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cmdutil.bailifchanged( |
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repo, |
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hint=_(b'requires --allow-dirty-working-copy to uncommit'), |
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) |
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old = repo[b'.'] |
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rewriteutil.precheck(repo, [old.rev()], b'uncommit') |
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if len(old.parents()) > 1: |
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raise error.Abort(_(b"cannot uncommit merge changeset")) |
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175 |
|
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176 |
match = scmutil.match(old, pats, opts) |
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177 |
|
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# Check all explicitly given files; abort if there's a problem. |
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179 |
if match.files(): |
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s = old.status(old.p1(), match, listclean=True) |
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eligible = set(s.added) | set(s.modified) | set(s.removed) |
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182 |
|
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183 |
badfiles = set(match.files()) - eligible |
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184 |
|
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185 |
# Naming a parent directory of an eligible file is OK, even |
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186 |
# if not everything tracked in that directory can be |
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187 |
# uncommitted. |
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188 |
if badfiles: |
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badfiles -= {f for f in pathutil.dirs(eligible)} |
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190 |
|
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191 |
for f in sorted(badfiles): |
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if f in s.clean: |
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hint = _( |
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b"file was not changed in working directory parent" |
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195 |
) |
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elif repo.wvfs.exists(f): |
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hint = _(b"file was untracked in working directory parent") |
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198 |
else: |
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hint = _(b"file does not exist") |
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|
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raise error.Abort( |
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_(b'cannot uncommit "%s"') % scmutil.getuipathfn(repo)(f), |
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hint=hint, |
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204 |
) |
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205 |
|
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with repo.transaction(b'uncommit'): |
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if not (opts[b'message'] or opts[b'logfile']): |
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opts[b'message'] = old.description() |
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message = cmdutil.logmessage(ui, opts) |
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210 |
|
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keepcommit = pats |
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if not keepcommit: |
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if opts.get(b'keep') is not None: |
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keepcommit = opts.get(b'keep') |
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215 |
else: |
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keepcommit = ui.configbool( |
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b'experimental', b'uncommit.keep' |
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) |
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newid = _commitfiltered( |
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repo, |
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old, |
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match, |
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keepcommit, |
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message=message, |
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user=opts.get(b'user'), |
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date=opts.get(b'date'), |
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) |
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if newid is None: |
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ui.status(_(b"nothing to uncommit\n")) |
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return 1 |
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mapping = {} |
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if newid != old.p1().node(): |
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# Move local changes on filtered changeset |
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mapping[old.node()] = (newid,) |
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else: |
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# Fully removed the old commit |
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mapping[old.node()] = () |
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with repo.dirstate.parentchange(): |
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scmutil.movedirstate(repo, repo[newid], match) |
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scmutil.cleanupnodes(repo, mapping, b'uncommit', fixphase=True) |
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def predecessormarkers(ctx): |
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"""yields the obsolete markers marking the given changeset as a successor""" |
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for data in ctx.repo().obsstore.predecessors.get(ctx.node(), ()): |
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yield obsutil.marker(ctx.repo(), data) |
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@command( |
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b'unamend', |
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[], |
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helpcategory=command.CATEGORY_CHANGE_MANAGEMENT, |
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helpbasic=True, |
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) |
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def unamend(ui, repo, **opts): |
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"""undo the most recent amend operation on a current changeset |
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This command will roll back to the previous version of a changeset, |
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leaving working directory in state in which it was before running |
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`hg amend` (e.g. files modified as part of an amend will be |
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marked as modified `hg status`) |
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""" |
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unfi = repo.unfiltered() |
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with repo.wlock(), repo.lock(), repo.transaction(b'unamend'): |
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# identify the commit from which to unamend |
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curctx = repo[b'.'] |
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|
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rewriteutil.precheck(repo, [curctx.rev()], b'unamend') |
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# identify the commit to which to unamend |
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markers = list(predecessormarkers(curctx)) |
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if len(markers) != 1: |
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e = _(b"changeset must have one predecessor, found %i predecessors") |
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raise error.Abort(e % len(markers)) |
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|
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prednode = markers[0].prednode() |
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predctx = unfi[prednode] |
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# add an extra so that we get a new hash |
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# note: allowing unamend to undo an unamend is an intentional feature |
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extras = predctx.extra() |
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extras[b'unamend_source'] = curctx.hex() |
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def filectxfn(repo, ctx_, path): |
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try: |
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return predctx.filectx(path) |
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except KeyError: |
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return None |
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# Make a new commit same as predctx |
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newctx = context.memctx( |
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repo, |
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parents=(predctx.p1(), predctx.p2()), |
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text=predctx.description(), |
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files=predctx.files(), |
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filectxfn=filectxfn, |
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user=predctx.user(), |
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date=predctx.date(), |
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extra=extras, |
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) |
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newprednode = repo.commitctx(newctx) |
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newpredctx = repo[newprednode] |
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dirstate = repo.dirstate |
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|
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with dirstate.parentchange(): |
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scmutil.movedirstate(repo, newpredctx) |
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mapping = {curctx.node(): (newprednode,)} |
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scmutil.cleanupnodes(repo, mapping, b'unamend', fixphase=True) |