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Differential D7901

merge: introduce a revert_to() for that use-case
ClosedPublic

Authored by martinvonz on Jan 15 2020, 8:21 PM.

Details

Reviewers
marmoute
Group Reviewers
hg-reviewers
Commits
rHGc791ed6a2154: merge: introduce a revert_to() for that use-case
Summary

In the same vein as the previous patch.

Diff Detail

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

Event Timeline

martinvonz created this revision.Jan 15 2020, 8:21 PM
martinvonz updated this revision to Diff 19540.Jan 23 2020, 4:34 PM
marmoute requested changes to this revision.Feb 5 2020, 6:28 PM
This revision now requires changes to proceed.Feb 5 2020, 6:28 PM
martinvonz updated this revision to Diff 19930.Feb 6 2020, 2:11 AM
marmoute accepted this revision.Feb 6 2020, 3:47 AM
martinvonz added a commit: rHGc791ed6a2154: merge: introduce a revert_to() for that use-case.Feb 6 2020, 5:20 PM
This revision was not accepted when it landed; it landed in state Needs Review.
Closed by commit rHGc791ed6a2154: merge: introduce a revert_to() for that use-case (authored by martinvonz). · Explain Why
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathPackages
Mhgext/fix.py (10 lines)
Mmercurial/cmdutil.py (9 lines)
Mmercurial/merge.py (15 lines)

Diff 19337

hgext/fix.py

): ):
return return
extra = ctx.extra().copy() extra = ctx.extra().copy()
extra[b'fix_source'] = ctx.hex() extra[b'fix_source'] = ctx.hex()
wctx = context.overlayworkingctx(repo) wctx = context.overlayworkingctx(repo)
wctx.setbase(repo[newp1node]) wctx.setbase(repo[newp1node])
merge.update( merge.revert_to(ctx, wc=wctx)
repo,
ctx.rev(),
branchmerge=False,
force=True,
ancestor=p1rev,
mergeancestor=False,
wc=wctx,
)
copies.graftcopies(wctx, ctx, ctx.p1()) copies.graftcopies(wctx, ctx, ctx.p1())
for path in filedata.keys(): for path in filedata.keys():
fctx = ctx[path] fctx = ctx[path]
copysource = fctx.copysource() copysource = fctx.copysource()
wctx.write(path, filedata[path], flags=fctx.flags()) wctx.write(path, filedata[path], flags=fctx.flags())
if copysource: if copysource:
wctx.markcopied(path, copysource) wctx.markcopied(path, copysource)

mercurial/cmdutil.py

) )
fp.truncate(0) fp.truncate(0)
fp.write(reviewedpatch) fp.write(reviewedpatch)
fp.seek(0) fp.seek(0)
[os.unlink(repo.wjoin(c)) for c in newlyaddedandmodifiedfiles] [os.unlink(repo.wjoin(c)) for c in newlyaddedandmodifiedfiles]
# 3a. apply filtered patch to clean repo (clean) # 3a. apply filtered patch to clean repo (clean)
if backups: if backups:
# Equivalent to hg.revert
m = scmutil.matchfiles(repo, set(backups.keys()) | alsorestore) m = scmutil.matchfiles(repo, set(backups.keys()) | alsorestore)
mergemod.update( mergemod.revert_to(repo[b'.'], matcher=m)
repo,
repo.dirstate.p1(),
branchmerge=False,
force=True,
matcher=m,
)
# 3b. (apply) # 3b. (apply)
if dopatch: if dopatch:
try: try:
ui.debug(b'applying patch\n') ui.debug(b'applying patch\n')
ui.debug(fp.getvalue()) ui.debug(fp.getvalue())
patch.internalpatch(ui, repo, fp, 1, eolmode=None) patch.internalpatch(ui, repo, fp, 1, eolmode=None)
except error.PatchError as err: except error.PatchError as err:

mercurial/merge.py

node, node,
branchmerge, branchmerge,
force, force,
ancestor=None, ancestor=None,
mergeancestor=False, mergeancestor=False,
labels=None, labels=None,
matcher=None, matcher=None,
mergeforce=False, mergeforce=False,
updatedirstate=True,
updatecheck=None, updatecheck=None,
wc=None, wc=None,
): ):
""" """
Perform a merge between the working directory and the given node Perform a merge between the working directory and the given node
node = the node to update to node = the node to update to
branchmerge = whether to merge between branches branchmerge = whether to merge between branches
% f % f
) )
for nf in sorted(fl): for nf in sorted(fl):
repo.ui.warn(b" %s\n" % nf) repo.ui.warn(b" %s\n" % nf)
### apply phase ### apply phase
if not branchmerge: # just jump to the new rev if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, b'' fp1, fp2, xp1, xp2 = fp2, nullid, xp2, b''
updatedirstate = always and not wc.isinmemory() updatedirstate = updatedirstate and always and not wc.isinmemory()
if updatedirstate: if updatedirstate:
repo.hook(b'preupdate', throw=True, parent1=xp1, parent2=xp2) repo.hook(b'preupdate', throw=True, parent1=xp1, parent2=xp2)
# note that we're in the middle of an update # note that we're in the middle of an update
repo.vfs.write(b'updatestate', p2.hex()) repo.vfs.write(b'updatestate', p2.hex())
# Advertise fsmonitor when its presence could be useful. # Advertise fsmonitor when its presence could be useful.
# #
# We only advertise when performing an update from an empty working # We only advertise when performing an update from an empty working
if updatedirstate: if updatedirstate:
repo.hook( repo.hook(
b'update', parent1=xp1, parent2=xp2, error=stats.unresolvedcount b'update', parent1=xp1, parent2=xp2, error=stats.unresolvedcount
) )
return stats return stats
def revert_to(ctx, matcher=None, wc=None):
return update(
ctx.repo(),
ctx.rev(),
branchmerge=False,
force=True,
updatedirstate=False,
matcher=matcher,
wc=wc,
)
def graft( def graft(
repo, ctx, base, labels=None, keepparent=False, keepconflictparent=False repo, ctx, base, labels=None, keepparent=False, keepconflictparent=False
): ):
"""Do a graft-like merge. """Do a graft-like merge.
This is a merge where the merge ancestor is chosen such that one This is a merge where the merge ancestor is chosen such that one
or more changesets are grafted onto the current changeset. In or more changesets are grafted onto the current changeset. In
addition to the merge, this fixes up the dirstate to include only addition to the merge, this fixes up the dirstate to include only