D2668: rebase: introduce support for automatically rebasing orphan changes
durin42 (Augie Fackler)
phabricator at mercurial-scm.org
Sun Mar 4 15:39:53 EST 2018
durin42 updated this revision to Diff 6611.
REPOSITORY
rHG Mercurial
CHANGES SINCE LAST UPDATE
https://phab.mercurial-scm.org/D2668?vs=6610&id=6611
REVISION DETAIL
https://phab.mercurial-scm.org/D2668
AFFECTED FILES
hgext/rebase.py
tests/test-rebase-obsolete.t
CHANGE DETAILS
diff --git a/tests/test-rebase-obsolete.t b/tests/test-rebase-obsolete.t
--- a/tests/test-rebase-obsolete.t
+++ b/tests/test-rebase-obsolete.t
@@ -482,7 +482,31 @@
|/
o 0:cd010b8cd998 A
+ $ cd ..
+ $ cp -R hidden stabilize
+ $ cd stabilize
+ $ hg rebase --auto 'orphan()'
+ rebasing 9:cf44d2f5a9f4 "D"
+ $ hg log -G
+ o 12:7e3935feaa68 D
+ |
+ o 11:0d8f238b634c C
+ |
+ o 10:7c6027df6a99 B
+ |
+ @ 7:02de42196ebe H
+ |
+ | o 6:eea13746799a G
+ |/|
+ o | 5:24b6387c8c8c F
+ | |
+ | o 4:9520eea781bc E
+ |/
+ o 0:cd010b8cd998 A
+
+ $ cd ../hidden
+ $ rm -r ../stabilize
Test multiple root handling
------------------------------------
diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -120,6 +120,53 @@
sourceset = revset.getset(repo, smartset.fullreposet(repo), x)
return subset & smartset.baseset([_destrebase(repo, sourceset)])
+def _possibledestination(repo, rev):
+ """Return all changesets that may be a new parent for `rev`."""
+ tonode = repo.changelog.node
+ parents = repo.changelog.parentrevs
+ torev = repo.changelog.rev
+ dest = set()
+ tovisit = list(parents(rev))
+ while tovisit:
+ r = tovisit.pop()
+ succsets = obsutil.successorssets(repo, tonode(r))
+ if not succsets:
+ # if there are no successors for r, r was probably pruned
+ # and we should walk up to r's parents to try and find
+ # some successors.
+ tovisit.extend(parents(r))
+ else:
+ # We should probably pick only one destination from split
+ # (case where '1 < len(ss)'), This could be the currently
+ # tipmost, but the correct result is less clear when
+ # results of the split have been moved such that they
+ # reside on multiple branches.
+ for ss in succsets:
+ for n in ss:
+ dr = torev(n)
+ if dr != -1:
+ dest.add(dr)
+ return dest
+
+ at revsetpredicate('_destautorebase')
+def _revsetdestautorebase(repo, subset, x):
+ """automatic rebase destination for a single revision"""
+ unfi = repo.unfiltered()
+ obsoleted = unfi.revs('obsolete()')
+
+ src = revset.getset(repo, subset, x).first()
+
+ # Empty src or already obsoleted - Do not return a destination
+ if not src or src in obsoleted:
+ return smartset.baseset()
+ dests = _possibledestination(repo, src)
+ if len(dests) > 1:
+ raise error.Abort(
+ _("ambiguous automatic rebase: %r could end up on any of %r") % (
+ src, dests))
+ # We have zero or one destination, so we can just return here.
+ return smartset.baseset(dests)
+
def _ctxdesc(ctx):
"""short description for a context"""
desc = '%d:%s "%s"' % (ctx.rev(), ctx,
@@ -651,7 +698,10 @@
('i', 'interactive', False, _('(DEPRECATED)')),
('t', 'tool', '', _('specify merge tool')),
('c', 'continue', False, _('continue an interrupted rebase')),
- ('a', 'abort', False, _('abort an interrupted rebase'))] +
+ ('a', 'abort', False, _('abort an interrupted rebase')),
+ ('', 'auto', '', _('automatically rebase orphan revisions '
+ 'in the specified revset (EXPERIMENTAL)')),
+ ] +
cmdutil.formatteropts,
_('[-s REV | -b REV] [-d REV] [OPTION]'))
def rebase(ui, repo, **opts):
@@ -783,6 +833,15 @@
# fail the entire transaction.)
inmemory = False
+ if opts.get('auto'):
+ for disallowed in 'rev', 'source', 'base', 'dest':
+ if opts.get(disallowed):
+ raise error.Abort(_('--auto is incompatible with %s') %
+ ('--' + disallowed))
+ userrevs = list(repo.revs(opts.get('auto')))
+ opts['rev'] = [revsetlang.formatspec('%ld', userrevs)]
+ opts['dest'] = '_destautorebase(SRC)'
+
if inmemory:
try:
# in-memory merge doesn't support conflicts, so if we hit any, abort
To: durin42, #hg-reviewers
Cc: mercurial-devel
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