Mercurial > hg
diff hgext/rebase.py @ 34094:5d45a997d11d
rebase: remove complex unhiding code
This is similar to Martin von Zweigbergk's previous patch [1].
Previous patches are adding more `.unfiltered()` to the rebase code. So I
wonder: are we playing whack-a-mole regarding on `unfiltered()` in rebase?
Thinking about it, I believe most of the rebase code *should* just use an
unfiltered repo. The only exception is before we figuring out a
`rebasestate`. This patch makes it so. See added comment in code for why
that's more reasonable.
This would make the code base cleaner (not mangling the `repo` object),
faster (no need to invalidate caches), simpler (less LOC), less error-prone
(no need to think about what to unhide, ex. should we unhide wdir p2? how
about destinations?), and future proof (other code may change visibility in
an unexpected way, ex. directaccess may make the destination only visible
when it's in "--dest" revset tree).
[1]: https://www.mercurial-scm.org/pipermail/mercurial-devel/2017-March/094277.html
Differential Revision: https://phab.mercurial-scm.org/D644
author | Jun Wu <quark@fb.com> |
---|---|
date | Wed, 06 Sep 2017 16:13:04 -0700 |
parents | 15ec3119d500 |
children | 7471193be725 |
line wrap: on
line diff
--- a/hgext/rebase.py Wed Sep 06 15:23:19 2017 -0700 +++ b/hgext/rebase.py Wed Sep 06 16:13:04 2017 -0700 @@ -44,7 +44,6 @@ phases, registrar, repair, - repoview, revset, revsetlang, scmutil, @@ -137,7 +136,17 @@ if opts is None: opts = {} - self.repo = repo + # prepared: whether we have rebasestate prepared or not. Currently it + # decides whether "self.repo" is unfiltered or not. + # The rebasestate has explicit hash to hash instructions not depending + # on visibility. If rebasestate exists (in-memory or on-disk), use + # unfiltered repo to avoid visibility issues. + # Before knowing rebasestate (i.e. when starting a new rebase (not + # --continue or --abort)), the original repo should be used so + # visibility-dependent revsets are correct. + self.prepared = False + self._repo = repo + self.ui = ui self.opts = opts self.originalwd = None @@ -166,6 +175,13 @@ self.keepopen = opts.get('keepopen', False) self.obsoletenotrebased = {} + @property + def repo(self): + if self.prepared: + return self._repo.unfiltered() + else: + return self._repo + def storestatus(self, tr=None): """Store the current status to allow recovery""" if tr: @@ -198,6 +214,7 @@ def restorestatus(self): """Restore a previously stored status""" + self.prepared = True repo = self.repo.unfiltered() keepbranches = None legacydest = None @@ -266,7 +283,6 @@ repo.ui.debug('computed skipped revs: %s\n' % (' '.join(str(r) for r in sorted(skipped)) or None)) repo.ui.debug('rebase status resumed\n') - _setrebasesetvisibility(repo, set(state.keys()) | {originalwd}) self.originalwd = originalwd self.destmap = destmap @@ -356,6 +372,8 @@ if dest.closesbranch() and not self.keepbranchesf: self.ui.status(_('reopening closed branch head %s\n') % dest) + self.prepared = True + def _performrebase(self, tr): repo, ui = self.repo, self.ui if self.keepbranchesf: @@ -1323,7 +1341,6 @@ def clearstatus(repo): 'Remove the status files' - _clearrebasesetvisibiliy(repo) # Make sure the active transaction won't write the state file tr = repo.currenttransaction() if tr: @@ -1438,7 +1455,6 @@ ''' rebaseset = destmap.keys() originalwd = repo['.'].rev() - _setrebasesetvisibility(repo, set(rebaseset) | {originalwd}) # This check isn't strictly necessary, since mq detects commits over an # applied patch. But it prevents messing up the working directory when @@ -1580,30 +1596,6 @@ return ret -def _setrebasesetvisibility(repo, revs): - """store the currently rebased set on the repo object - - This is used by another function to prevent rebased revision to because - hidden (see issue4504)""" - repo = repo.unfiltered() - repo._rebaseset = revs - # invalidate cache if visibility changes - hiddens = repo.filteredrevcache.get('visible', set()) - if revs & hiddens: - repo.invalidatevolatilesets() - -def _clearrebasesetvisibiliy(repo): - """remove rebaseset data from the repo""" - repo = repo.unfiltered() - if '_rebaseset' in vars(repo): - del repo._rebaseset - -def _rebasedvisible(orig, repo): - """ensure rebased revs stay visible (see issue4504)""" - blockers = orig(repo) - blockers.update(getattr(repo, '_rebaseset', ())) - return blockers - def _filterobsoleterevs(repo, revs): """returns a set of the obsolete revisions in revs""" return set(r for r in revs if repo[r].obsolete()) @@ -1668,5 +1660,3 @@ _("use 'hg rebase --continue' or 'hg rebase --abort'")]) cmdutil.afterresolvedstates.append( ['rebasestate', _('hg rebase --continue')]) - # ensure rebased rev are not hidden - extensions.wrapfunction(repoview, 'pinnedrevs', _rebasedvisible)