def split(ui, repo, *revs, **opts):
"""split a changeset into smaller changesets
Prompt for hunks to be selected until exhausted. Each selection of hunks
will form a separate changeset, in order from parent to child: the first
selection will form the first changeset, the second selection will form
the second changeset, and so on.
Operates on the current revision by default. Use --rev to split a given
changeset instead.
"""
newcommits = []
revarg = (list(revs) + opts.get("rev")) or ["."]
if len(revarg) != 1:
msg = _("more than one revset is given")
hnt = _(
"use either `hg split <rs>` or `hg split --rev <rs>`, not both")
raise error.Abort(msg, hint=hnt)
rev = scmutil.revsingle(repo, revarg[0])
if opts.get("no_rebase"):
torebase = ()
else:
torebase = list(
map(hex, repo.nodes("descendants(%d) - (%d)", rev, rev)))
with repo.wlock(), repo.lock():
cmdutil.bailifchanged(repo)
if torebase:
cmdutil.checkunfinished(repo)
ctx = repo[rev]
r = ctx.hex()
allowunstable = visibility.tracking(repo) or obsolete.isenabled(
repo, obsolete.allowunstableopt)
if not allowunstable:
# XXX We should check head revs
if repo.revs("(%d::) - %d", rev, rev):
raise error.Abort(
_("cannot split commit: %s not a head") % ctx)
if len(ctx.parents()) > 1:
raise error.Abort(_("cannot split merge commits"))
prev = ctx.p1()
bmupdate = common.bookmarksupdater(repo, ctx.node())
bookactive = repo._activebookmark
if bookactive is not None:
repo.ui.status(_("(leaving bookmark %s)\n") % repo._activebookmark)
bookmarks.deactivate(repo)
hg.update(repo, prev)
commands.revert(ui, repo, rev=r, all=True)
def haschanges():
modified, added, removed, deleted = repo.status()[:4]
return modified or added or removed or deleted
# We need to detect the case where the user selects all remaining
# changes, as that will end the split. That's the commit we want to
# mark as the result of the split. To do this, wrap the recordfilter
# function and compare the output to see if it contains all the
# originalchunks.
shouldrecordmutation = [False]
def mutinfo(extra):
if shouldrecordmutation[0]:
return mutation.record(
repo,
extra,
[ctx.node()],
"split",
splitting=[c.node() for c in newcommits],
)
def recordfilter(ui, originalchunks, operation=None):
chunks, newopts = cmdutil.recordfilter(ui, originalchunks,
operation)
if cmdutil.comparechunks(chunks, originalchunks):
shouldrecordmutation[0] = True
return chunks, newopts
msg = ("HG: This is the original pre-split commit message. "
"Edit it as appropriate.\n\n")
msg += ctx.description()
opts["message"] = msg
opts["edit"] = True
opts["_commitmutinfofunc"] = mutinfo
try:
while haschanges():
pats = ()
with repo.transaction("split"):
cmdutil.dorecord(ui, repo, commands.commit, "commit",
False, recordfilter, *pats, **opts)
# TODO: Does no seem like the best way to do this
# We should make dorecord return the newly created commit
newcommits.append(repo["."])
if haschanges():
if ui.prompt("Done splitting? [yN]", default="n") == "y":
shouldrecordmutation[0] = True
with repo.transaction("split"):
commands.commit(ui, repo, **opts)
newcommits.append(repo["."])
break
else:
ui.status(_("no more change to split\n"))
except Exception:
# Rollback everything
hg.updaterepo(repo, r, True) # overwrite=True
if newcommits:
visibility.remove(repo, [c.node() for c in newcommits])
if bookactive is not None:
bookmarks.activate(repo, bookactive)
raise
if newcommits:
phabdiffs = {}
for c in newcommits:
phabdiff = diffprops.parserevfromcommitmsg(
repo[c].description())
if phabdiff:
phabdiffs.setdefault(phabdiff, []).append(c)
if any(len(commits) > 1 for commits in phabdiffs.values()):
hintutil.trigger("split-phabricator",
ui.config("split", "phabricatoradvice"))
tip = repo[newcommits[-1]]
with repo.transaction("post-split"):
bmupdate(tip.node())
if bookactive is not None:
bookmarks.activate(repo, bookactive)
if obsolete.isenabled(repo, obsolete.createmarkersopt):
obsolete.createmarkers(repo, [(repo[r], newcommits)],
operation="split")
if torebase:
rebaseopts = {"dest": "_destrestack(SRC)", "rev": torebase}
rebase.rebase(ui, repo, **rebaseopts)
unfi = repo
with repo.transaction("post-split-hide"):
visibility.remove(repo, [unfi[r].node()])
#!/usr/bin/env python
from __future__ import absolute_import, print_function
from edenscm.mercurial import commands, localrepo, ui as uimod
u = uimod.ui.load()
u.write("% creating repo\n")
repo = localrepo.localrepository(u, ".", create=True)
f = open("test.py", "w")
try:
f.write("foo\n")
finally:
f.close
u.write("% add and commit\n")
commands.add(u, repo, "test.py")
commands.commit(u, repo, message="*")
commands.status(u, repo, clean=True)
u.write("% change\n")
f = open("test.py", "w")
try:
f.write("bar\n")
finally:
f.close()
# this would return clean instead of changed before the fix
commands.status(u, repo, clean=True, modified=True)