Mercurial > hg
view mercurial/strip.py @ 48598:a6f16ec07ed7
stream-clone: add a explicit test for format change during stream clone
They are different kind of requirements, the one which impact the data storage
and are relevant to the files being streamed and the one which does not. For
example some requirements are only relevant to the working copy, like sparse, or
dirstate-v2.
Since they are irrelevant to the content being streamed, they do not prevent the
receiving side to use streaming clone and mercurial skip adverting them over
the wire and, ideally, within the bundle.
In addition, this let the client decide to use whichever format it desire for
the part that does not affect the store itself. So the configuration related to
these format are used as normal when doing a streaming clone.
In practice, the feature was not really tested and is badly broken with bundle-2,
since the requirements are not filtered out from the stream bundle.
So we start with adding simple tests as a good base before the fix and adjust
the feature.
Differential Revision: https://phab.mercurial-scm.org/D12029
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Mon, 17 Jan 2022 18:51:47 +0100 |
parents | 5ced12cfa41b |
children | 6000f5b25c9b |
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from __future__ import absolute_import from .i18n import _ from .pycompat import getattr from . import ( bookmarks as bookmarksmod, cmdutil, error, hg, lock as lockmod, logcmdutil, mergestate as mergestatemod, pycompat, registrar, repair, scmutil, util, ) release = lockmod.release cmdtable = {} command = registrar.command(cmdtable) def checklocalchanges(repo, force=False): s = repo.status() if not force: cmdutil.checkunfinished(repo) cmdutil.bailifchanged(repo) else: cmdutil.checkunfinished(repo, skipmerge=True) return s def _findupdatetarget(repo, nodes): unode, p2 = repo.changelog.parents(nodes[0]) currentbranch = repo[None].branch() if ( util.safehasattr(repo, b'mq') and p2 != repo.nullid and p2 in [x.node for x in repo.mq.applied] ): unode = p2 elif currentbranch != repo[unode].branch(): pwdir = b'parents(wdir())' revset = b'max(((parents(%ln::%r) + %r) - %ln::%r) and branch(%s))' branchtarget = repo.revs( revset, nodes, pwdir, pwdir, nodes, pwdir, currentbranch ) if branchtarget: cl = repo.changelog unode = cl.node(branchtarget.first()) return unode def strip( ui, repo, revs, update=True, backup=True, force=None, bookmarks=None, soft=False, ): with repo.wlock(), repo.lock(): if update: checklocalchanges(repo, force=force) urev = _findupdatetarget(repo, revs) hg.clean(repo, urev) repo.dirstate.write(repo.currenttransaction()) if soft: repair.softstrip(ui, repo, revs, backup) else: repair.strip(ui, repo, revs, backup) repomarks = repo._bookmarks if bookmarks: with repo.transaction(b'strip') as tr: if repo._activebookmark in bookmarks: bookmarksmod.deactivate(repo) repomarks.applychanges(repo, tr, [(b, None) for b in bookmarks]) for bookmark in sorted(bookmarks): ui.write(_(b"bookmark '%s' deleted\n") % bookmark) @command( b"debugstrip", [ ( b'r', b'rev', [], _( b'strip specified revision (optional, ' b'can specify revisions without this ' b'option)' ), _(b'REV'), ), ( b'f', b'force', None, _( b'force removal of changesets, discard ' b'uncommitted changes (no backup)' ), ), (b'', b'no-backup', None, _(b'do not save backup bundle')), ( b'', b'nobackup', None, _(b'do not save backup bundle (DEPRECATED)'), ), (b'n', b'', None, _(b'ignored (DEPRECATED)')), ( b'k', b'keep', None, _(b"do not modify working directory during strip"), ), ( b'B', b'bookmark', [], _(b"remove revs only reachable from given bookmark"), _(b'BOOKMARK'), ), ( b'', b'soft', None, _(b"simply drop changesets from visible history (EXPERIMENTAL)"), ), ], _(b'hg debugstrip [-k] [-f] [-B bookmark] [-r] REV...'), helpcategory=command.CATEGORY_MAINTENANCE, ) def debugstrip(ui, repo, *revs, **opts): """strip changesets and all their descendants from the repository The strip command removes the specified changesets and all their descendants. If the working directory has uncommitted changes, the operation is aborted unless the --force flag is supplied, in which case changes will be discarded. If a parent of the working directory is stripped, then the working directory will automatically be updated to the most recent available ancestor of the stripped parent after the operation completes. Any stripped changesets are stored in ``.hg/strip-backup`` as a bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`, where BUNDLE is the bundle file created by the strip. Note that the local revision numbers will in general be different after the restore. Use the --no-backup option to discard the backup bundle once the operation completes. Strip is not a history-rewriting operation and can be used on changesets in the public phase. But if the stripped changesets have been pushed to a remote repository you will likely pull them again. Return 0 on success. """ opts = pycompat.byteskwargs(opts) backup = True if opts.get(b'no_backup') or opts.get(b'nobackup'): backup = False cl = repo.changelog revs = list(revs) + opts.get(b'rev') revs = set(logcmdutil.revrange(repo, revs)) with repo.wlock(): bookmarks = set(opts.get(b'bookmark')) if bookmarks: repomarks = repo._bookmarks if not bookmarks.issubset(repomarks): raise error.Abort( _(b"bookmark '%s' not found") % b','.join(sorted(bookmarks - set(repomarks.keys()))) ) # If the requested bookmark is not the only one pointing to a # a revision we have to only delete the bookmark and not strip # anything. revsets cannot detect that case. nodetobookmarks = {} for mark, node in pycompat.iteritems(repomarks): nodetobookmarks.setdefault(node, []).append(mark) for marks in nodetobookmarks.values(): if bookmarks.issuperset(marks): rsrevs = scmutil.bookmarkrevs(repo, marks[0]) revs.update(set(rsrevs)) if not revs: with repo.lock(), repo.transaction(b'bookmark') as tr: bmchanges = [(b, None) for b in bookmarks] repomarks.applychanges(repo, tr, bmchanges) for bookmark in sorted(bookmarks): ui.write(_(b"bookmark '%s' deleted\n") % bookmark) if not revs: raise error.Abort(_(b'empty revision set')) descendants = set(cl.descendants(revs)) strippedrevs = revs.union(descendants) roots = revs.difference(descendants) # if one of the wdir parent is stripped we'll need # to update away to an earlier revision update = any( p != repo.nullid and cl.rev(p) in strippedrevs for p in repo.dirstate.parents() ) rootnodes = {cl.node(r) for r in roots} q = getattr(repo, 'mq', None) if q is not None and q.applied: # refresh queue state if we're about to strip # applied patches if cl.rev(repo.lookup(b'qtip')) in strippedrevs: q.applieddirty = True start = 0 end = len(q.applied) for i, statusentry in enumerate(q.applied): if statusentry.node in rootnodes: # if one of the stripped roots is an applied # patch, only part of the queue is stripped start = i break del q.applied[start:end] q.savedirty() revs = sorted(rootnodes) if update and opts.get(b'keep'): urev = _findupdatetarget(repo, revs) uctx = repo[urev] # only reset the dirstate for files that would actually change # between the working context and uctx descendantrevs = repo.revs(b"only(., %d)", uctx.rev()) changedfiles = [] for rev in descendantrevs: # blindly reset the files, regardless of what actually changed changedfiles.extend(repo[rev].files()) # reset files that only changed in the dirstate too dirstate = repo.dirstate dirchanges = [ f for f in dirstate if not dirstate.get_entry(f).maybe_clean ] changedfiles.extend(dirchanges) repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) repo.dirstate.write(repo.currenttransaction()) # clear resolve state mergestatemod.mergestate.clean(repo) update = False strip( ui, repo, revs, backup=backup, update=update, force=opts.get(b'force'), bookmarks=bookmarks, soft=opts[b'soft'], ) return 0