Mercurial > hg
view tests/bruterebase.py @ 35287:3398603c5621
rebase: enable multidest by default
This was intended to be done by D470. But there was a minor documentation
issue. The feature is quite usable now so it gets formally documented and
enabled.
There is no behavior change for people not using the `SRC` or `ALLSRC` in
rebase destination revset.
.. feature:: Rebase with different destination per source revision
Previously, rebase only supports one unique destination. Now ``SRC`` and
``ALLSRC`` can be used in rebase destination revset to precisely define
destination per each individual source revision.
For example, the following command could move some orphaned changesets to
reasonable new places so they become no longer orphaned::
hg rebase
-r 'orphan()-obsolete()'
-d 'max((successors(max(roots(ALLSRC) & ::SRC)^)-obsolete())::)'
Differential Revision: https://phab.mercurial-scm.org/D1063
author | Jun Wu <quark@fb.com> |
---|---|
date | Fri, 13 Oct 2017 14:08:14 -0700 |
parents | bab82c43c065 |
children | 3b98ffd2dde3 |
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# bruterebase.py - brute force rebase testing # # Copyright 2017 Facebook, Inc. # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import from mercurial import ( error, registrar, revsetlang, ) from hgext import rebase try: xrange except NameError: xrange = range cmdtable = {} command = registrar.command(cmdtable) @command(b'debugbruterebase') def debugbruterebase(ui, repo, source, dest): """for every non-empty subset of source, run rebase -r subset -d dest Print one line summary for each subset. Assume obsstore is enabled. """ srevs = list(repo.revs(source)) with repo.wlock(), repo.lock(): repolen = len(repo) cl = repo.changelog def getdesc(rev): result = cl.changelogrevision(rev).description if rev >= repolen: result += b"'" return result for i in xrange(1, 2 ** len(srevs)): subset = [rev for j, rev in enumerate(srevs) if i & (1 << j) != 0] spec = revsetlang.formatspec(b'%ld', subset) tr = repo.transaction(b'rebase') tr.report = lambda x: 0 # hide "transaction abort" ui.pushbuffer() try: rebase.rebase(ui, repo, dest=dest, rev=[spec]) except error.Abort as ex: summary = b'ABORT: %s' % ex except Exception as ex: summary = b'CRASH: %s' % ex else: # short summary about new nodes cl = repo.changelog descs = [] for rev in xrange(repolen, len(repo)): desc = b'%s:' % getdesc(rev) for prev in cl.parentrevs(rev): if prev > -1: desc += getdesc(prev) descs.append(desc) descs.sort() summary = ' '.join(descs) ui.popbuffer() repo.vfs.tryunlink(b'rebasestate') subsetdesc = b''.join(getdesc(rev) for rev in subset) ui.write((b'%s: %s\n') % (subsetdesc.rjust(len(srevs)), summary)) tr.abort()