( )⚙ D9073 rebase: when collapsing, p1 == dest, so use the former only

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Differential D9073

rebase: when collapsing, p1 == dest, so use the former only
ClosedPublic

Authored by martinvonz on Sep 23 2020, 12:37 PM.

Details

Reviewers
pulkit
Group Reviewers
hg-reviewers
Commits
rHG2dcf595f6985: rebase: when collapsing, p1 == dest, so use the former only
Summary

dest is the destination we're rebasing onto, which is always the
same as p1 when using --collapse. This lets us simplify a bit.

Diff Detail

Repository
rHG Mercurial
Branch
default
Lint
No Linters Available
Unit
No Unit Test Coverage

Event Timeline

martinvonz created this revision.Sep 23 2020, 12:37 PM
pulkit accepted this revision.Sep 24 2020, 2:50 AM
This revision is now accepted and ready to land.Sep 24 2020, 2:50 AM

Revision Contents
Changeset List

PathPackages
Mhgext/rebase.py (14 lines)

Diff 22810

hgext/rebase.py

user=ctx.user(), user=ctx.user(),
date=date, date=date,
) )
return newnode return newnode
def _rebasenode(self, tr, rev, allowdivergence, progressfn): def _rebasenode(self, tr, rev, allowdivergence, progressfn):
repo, ui, opts = self.repo, self.ui, self.opts repo, ui, opts = self.repo, self.ui, self.opts
dest = self.destmap[rev]
ctx = repo[rev] ctx = repo[rev]
desc = _ctxdesc(ctx) desc = _ctxdesc(ctx)
if self.state[rev] == rev: if self.state[rev] == rev:
ui.status(_(b'already rebased %s\n') % desc) ui.status(_(b'already rebased %s\n') % desc)
elif ( elif (
not allowdivergence not allowdivergence
and rev in self.obsoletewithoutsuccessorindestination and rev in self.obsoletewithoutsuccessorindestination
): ):
) )
if self.resume and self.wctx.p1().rev() == p1: if self.resume and self.wctx.p1().rev() == p1:
repo.ui.debug(b'resuming interrupted rebase\n') repo.ui.debug(b'resuming interrupted rebase\n')
self.resume = False self.resume = False
else: else:
overrides = {(b'ui', b'forcemerge'): opts.get(b'tool', b'')} overrides = {(b'ui', b'forcemerge'): opts.get(b'tool', b'')}
with ui.configoverride(overrides, b'rebase'): with ui.configoverride(overrides, b'rebase'):
stats = rebasenode( stats = rebasenode(
repo, repo, rev, p1, p2, base, self.collapsef, wctx=self.wctx,
rev,
p1,
p2,
base,
self.collapsef,
dest,
wctx=self.wctx,
) )
if stats.unresolvedcount > 0: if stats.unresolvedcount > 0:
if self.inmemory: if self.inmemory:
raise error.InMemoryMergeConflictsError() raise error.InMemoryMergeConflictsError()
else: else:
raise error.ConflictResolutionRequired(b'rebase') raise error.ConflictResolutionRequired(b'rebase')
if not self.collapsef: if not self.collapsef:
merging = p2 != nullrev merging = p2 != nullrev
newnode = repo.commit( newnode = repo.commit(
text=commitmsg, user=user, date=date, extra=extra, editor=editor text=commitmsg, user=user, date=date, extra=extra, editor=editor
) )
repo.dirstate.setbranch(repo[newnode].branch()) repo.dirstate.setbranch(repo[newnode].branch())
return newnode return newnode
def rebasenode(repo, rev, p1, p2, base, collapse, dest, wctx): def rebasenode(repo, rev, p1, p2, base, collapse, wctx):
"""Rebase a single revision rev on top of p1 using base as merge ancestor""" """Rebase a single revision rev on top of p1 using base as merge ancestor"""
# Merge phase # Merge phase
# Update to destination and merge it with local # Update to destination and merge it with local
p1ctx = repo[p1] p1ctx = repo[p1]
if wctx.isinmemory(): if wctx.isinmemory():
wctx.setbase(p1ctx) wctx.setbase(p1ctx)
else: else:
if repo[b'.'].rev() != p1: if repo[b'.'].rev() != p1:
force=True, force=True,
ancestor=base, ancestor=base,
mergeancestor=mergeancestor, mergeancestor=mergeancestor,
labels=[b'dest', b'source'], labels=[b'dest', b'source'],
wc=wctx, wc=wctx,
) )
wctx.setparents(p1ctx.node(), repo[p2].node()) wctx.setparents(p1ctx.node(), repo[p2].node())
if collapse: if collapse:
copies.graftcopies(wctx, ctx, repo[dest]) copies.graftcopies(wctx, ctx, p1ctx)
else: else:
# If we're not using --collapse, we need to # If we're not using --collapse, we need to
# duplicate copies between the revision we're # duplicate copies between the revision we're
# rebasing and its first parent. # rebasing and its first parent.
copies.graftcopies(wctx, ctx, ctx.p1()) copies.graftcopies(wctx, ctx, ctx.p1())
return stats return stats