rebase: do not add second parent to rebased changeset (drop detach option) (BC)

Rebase now behaves as if --detach was always passed. Non-merges are
rebased as non-merges, regardless of their parent being an ancestor of
the destination. Merges will usually be rebased as merges unless both of
their parents are ancestors of the destination, or one of their parents
is pruned when rebased.

This only alters the behavior of rebase when using the --source/--rev
options. --detach option is deprecated.

All test changes were carefully validated.

hgext/rebase.py

@@ -1,677 +1,702 b''
 # rebase.py - rebasing feature for mercurial
 #
 # Copyright 2008 Stefano Tortarolo <stefano.tortarolo at gmail dot com>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 '''command to move sets of revisions to a different ancestor
 
 This extension lets you rebase changesets in an existing Mercurial
 repository.
 
 For more information:
 http://mercurial.selenic.com/wiki/RebaseExtension
 '''
 
 from mercurial import hg, util, repair, merge, cmdutil, commands, bookmarks
 from mercurial import extensions, patch, scmutil, phases
 from mercurial.commands import templateopts
 from mercurial.node import nullrev
 from mercurial.lock import release
 from mercurial.i18n import _
 import os, errno
 
 nullmerge = -2
 
 cmdtable = {}
 command = cmdutil.command(cmdtable)
 testedwith = 'internal'
 
 @command('rebase',
     [('s', 'source', '',
      _('rebase from the specified changeset'), _('REV')),
     ('b', 'base', '',
      _('rebase from the base of the specified changeset '
        '(up to greatest common ancestor of base and dest)'),
      _('REV')),
     ('r', 'rev', [],
      _('rebase these revisions'),
      _('REV')),
     ('d', 'dest', '',
      _('rebase onto the specified changeset'), _('REV')),
     ('', 'collapse', False, _('collapse the rebased changesets')),
     ('m', 'message', '',
      _('use text as collapse commit message'), _('TEXT')),
     ('e', 'edit', False, _('invoke editor on commit messages')),
     ('l', 'logfile', '',
      _('read collapse commit message from file'), _('FILE')),
     ('', 'keep', False, _('keep original changesets')),
     ('', 'keepbranches', False, _('keep original branch names')),
-    ('D', 'detach', False, _('force detaching of source from its original '
-                            'branch')),
+    ('D', 'detach', False, _('(DEPRECATED)')),
     ('t', 'tool', '', _('specify merge tool')),
     ('c', 'continue', False, _('continue an interrupted rebase')),
     ('a', 'abort', False, _('abort an interrupted rebase'))] +
      templateopts,
     _('hg rebase [-s REV | -b REV] [-d REV] [options]\n'
       'hg rebase {-a|-c}'))
 def rebase(ui, repo, **opts):
     """move changeset (and descendants) to a different branch
 
     Rebase uses repeated merging to graft changesets from one part of
     history (the source) onto another (the destination). This can be
     useful for linearizing *local* changes relative to a master
     development tree.
 
     You should not rebase changesets that have already been shared
     with others. Doing so will force everybody else to perform the
     same rebase or they will end up with duplicated changesets after
     pulling in your rebased changesets.
 
     If you don't specify a destination changeset (``-d/--dest``),
     rebase uses the tipmost head of the current named branch as the
     destination. (The destination changeset is not modified by
     rebasing, but new changesets are added as its descendants.)
 
     You can specify which changesets to rebase in two ways: as a
     "source" changeset or as a "base" changeset. Both are shorthand
     for a topologically related set of changesets (the "source
     branch"). If you specify source (``-s/--source``), rebase will
     rebase that changeset and all of its descendants onto dest. If you
     specify base (``-b/--base``), rebase will select ancestors of base
     back to but not including the common ancestor with dest. Thus,
     ``-b`` is less precise but more convenient than ``-s``: you can
     specify any changeset in the source branch, and rebase will select
     the whole branch. If you specify neither ``-s`` nor ``-b``, rebase
     uses the parent of the working directory as the base.
 
     By default, rebase recreates the changesets in the source branch
     as descendants of dest and then destroys the originals. Use
     ``--keep`` to preserve the original source changesets. Some
     changesets in the source branch (e.g. merges from the destination
     branch) may be dropped if they no longer contribute any change.
 
     One result of the rules for selecting the destination changeset
     and source branch is that, unlike ``merge``, rebase will do
     nothing if you are at the latest (tipmost) head of a named branch
     with two heads. You need to explicitly specify source and/or
     destination (or ``update`` to the other head, if it's the head of
     the intended source branch).
 
     If a rebase is interrupted to manually resolve a merge, it can be
     continued with --continue/-c or aborted with --abort/-a.
 
     Returns 0 on success, 1 if nothing to rebase.
     """
     originalwd = target = None
     external = nullrev
     state = {}
     skipped = set()
     targetancestors = set()
 
     editor = None
     if opts.get('edit'):
         editor = cmdutil.commitforceeditor
 
     lock = wlock = None
     try:
         wlock = repo.wlock()
         lock = repo.lock()
 
         # Validate input and define rebasing points
         destf = opts.get('dest', None)
         srcf = opts.get('source', None)
         basef = opts.get('base', None)
         revf = opts.get('rev', [])
         contf = opts.get('continue')
         abortf = opts.get('abort')
         collapsef = opts.get('collapse', False)
         collapsemsg = cmdutil.logmessage(ui, opts)
         extrafn = opts.get('extrafn') # internal, used by e.g. hgsubversion
         keepf = opts.get('keep', False)
         keepbranchesf = opts.get('keepbranches', False)
-        detachf = opts.get('detach', False)
         # keepopen is not meant for use on the command line, but by
         # other extensions
         keepopen = opts.get('keepopen', False)
 
         if collapsemsg and not collapsef:
             raise util.Abort(
                 _('message can only be specified with collapse'))
 
         if contf or abortf:
             if contf and abortf:
                 raise util.Abort(_('cannot use both abort and continue'))
             if collapsef:
                 raise util.Abort(
                     _('cannot use collapse with continue or abort'))
-            if detachf:
-                raise util.Abort(_('cannot use detach with continue or abort'))
             if srcf or basef or destf:
                 raise util.Abort(
                     _('abort and continue do not allow specifying revisions'))
             if opts.get('tool', False):
                 ui.warn(_('tool option will be ignored\n'))
 
             (originalwd, target, state, skipped, collapsef, keepf,
                                 keepbranchesf, external) = restorestatus(repo)
             if abortf:
                 return abort(repo, originalwd, target, state)
         else:
             if srcf and basef:
                 raise util.Abort(_('cannot specify both a '
                                    'source and a base'))
             if revf and basef:
                 raise util.Abort(_('cannot specify both a '
                                    'revision and a base'))
             if revf and srcf:
                 raise util.Abort(_('cannot specify both a '
                                    'revision and a source'))
-            if detachf:
-                if not (srcf or revf):
-                    raise util.Abort(
-                        _('detach requires a revision to be specified'))
-                if basef:
-                    raise util.Abort(_('cannot specify a base with detach'))
 
             cmdutil.bailifchanged(repo)
 
             if not destf:
                 # Destination defaults to the latest revision in the
                 # current branch
                 branch = repo[None].branch()
                 dest = repo[branch]
             else:
                 dest = scmutil.revsingle(repo, destf)
 
             if revf:
                 rebaseset = repo.revs('%lr', revf)
             elif srcf:
                 src = scmutil.revrange(repo, [srcf])
                 rebaseset = repo.revs('(%ld)::', src)
             else:
                 base = scmutil.revrange(repo, [basef or '.'])
                 rebaseset = repo.revs(
                     '(children(ancestor(%ld, %d)) and ::(%ld))::',
                     base, dest, base)
 
             if rebaseset:
                 root = min(rebaseset)
             else:
                 root = None
 
             if not rebaseset:
                 repo.ui.debug('base is ancestor of destination\n')
                 result = None
             elif not keepf and list(repo.revs('first(children(%ld) - %ld)',
                                               rebaseset, rebaseset)):
                 raise util.Abort(
                     _("can't remove original changesets with"
                       " unrebased descendants"),
                     hint=_('use --keep to keep original changesets'))
             elif not keepf and not repo[root].mutable():
                 raise util.Abort(_("can't rebase immutable changeset %s")
                                  % repo[root],
                                  hint=_('see hg help phases for details'))
             else:
-                result = buildstate(repo, dest, rebaseset, detachf, collapsef)
+                result = buildstate(repo, dest, rebaseset, collapsef)
 
             if not result:
                 # Empty state built, nothing to rebase
                 ui.status(_('nothing to rebase\n'))
                 return 1
             else:
                 originalwd, target, state = result
                 if collapsef:
                     targetancestors = set(repo.changelog.ancestors([target]))
                     targetancestors.add(target)
                     external = checkexternal(repo, state, targetancestors)
 
         if keepbranchesf:
             assert not extrafn, 'cannot use both keepbranches and extrafn'
             def extrafn(ctx, extra):
                 extra['branch'] = ctx.branch()
             if collapsef:
                 branches = set()
                 for rev in state:
                     branches.add(repo[rev].branch())
                     if len(branches) > 1:
                         raise util.Abort(_('cannot collapse multiple named '
                             'branches'))
 
 
         # Rebase
         if not targetancestors:
             targetancestors = set(repo.changelog.ancestors([target]))
             targetancestors.add(target)
 
         # Keep track of the current bookmarks in order to reset them later
         currentbookmarks = repo._bookmarks.copy()
 
         sortedstate = sorted(state)
         total = len(sortedstate)
         pos = 0
         for rev in sortedstate:
             pos += 1
             if state[rev] == -1:
                 ui.progress(_("rebasing"), pos, ("%d:%s" % (rev, repo[rev])),
                             _('changesets'), total)
                 storestatus(repo, originalwd, target, state, collapsef, keepf,
                                                     keepbranchesf, external)
                 p1, p2 = defineparents(repo, rev, target, state,
                                                         targetancestors)
                 if len(repo.parents()) == 2:
                     repo.ui.debug('resuming interrupted rebase\n')
                 else:
                     try:
                         ui.setconfig('ui', 'forcemerge', opts.get('tool', ''))
                         stats = rebasenode(repo, rev, p1, state, collapsef)
                         if stats and stats[3] > 0:
                             raise util.Abort(_('unresolved conflicts (see hg '
                                         'resolve, then hg rebase --continue)'))
                     finally:
                         ui.setconfig('ui', 'forcemerge', '')
                 cmdutil.duplicatecopies(repo, rev, target)
                 if not collapsef:
                     newrev = concludenode(repo, rev, p1, p2, extrafn=extrafn,
                                           editor=editor)
                 else:
                     # Skip commit if we are collapsing
                     repo.setparents(repo[p1].node())
                     newrev = None
                 # Update the state
                 if newrev is not None:
                     state[rev] = repo[newrev].rev()
                 else:
                     if not collapsef:
                         ui.note(_('no changes, revision %d skipped\n') % rev)
                         ui.debug('next revision set to %s\n' % p1)
                         skipped.add(rev)
                     state[rev] = p1
 
         ui.progress(_('rebasing'), None)
         ui.note(_('rebase merging completed\n'))
 
         if collapsef and not keepopen:
             p1, p2 = defineparents(repo, min(state), target,
                                                         state, targetancestors)
             if collapsemsg:
                 commitmsg = collapsemsg
             else:
                 commitmsg = 'Collapsed revision'
                 for rebased in state:
                     if rebased not in skipped and state[rebased] != nullmerge:
                         commitmsg += '\n* %s' % repo[rebased].description()
                 commitmsg = ui.edit(commitmsg, repo.ui.username())
             newrev = concludenode(repo, rev, p1, external, commitmsg=commitmsg,
                                   extrafn=extrafn, editor=editor)
 
         if 'qtip' in repo.tags():
             updatemq(repo, state, skipped, **opts)
 
         if currentbookmarks:
             # Nodeids are needed to reset bookmarks
             nstate = {}
             for k, v in state.iteritems():
                 if v != nullmerge:
                     nstate[repo[k].node()] = repo[v].node()
 
         if not keepf:
             # Remove no more useful revisions
             rebased = [rev for rev in state if state[rev] != nullmerge]
             if rebased:
                 if set(repo.changelog.descendants([min(rebased)])) - set(state):
                     ui.warn(_("warning: new changesets detected "
                               "on source branch, not stripping\n"))
                 else:
                     # backup the old csets by default
                     repair.strip(ui, repo, repo[min(rebased)].node(), "all")
 
         if currentbookmarks:
             updatebookmarks(repo, nstate, currentbookmarks, **opts)
 
         clearstatus(repo)
         ui.note(_("rebase completed\n"))
         if os.path.exists(repo.sjoin('undo')):
             util.unlinkpath(repo.sjoin('undo'))
         if skipped:
             ui.note(_("%d revisions have been skipped\n") % len(skipped))
     finally:
         release(lock, wlock)
 
 def checkexternal(repo, state, targetancestors):
     """Check whether one or more external revisions need to be taken in
     consideration. In the latter case, abort.
     """
     external = nullrev
     source = min(state)
     for rev in state:
         if rev == source:
             continue
         # Check externals and fail if there are more than one
         for p in repo[rev].parents():
             if (p.rev() not in state
                         and p.rev() not in targetancestors):
                 if external != nullrev:
                     raise util.Abort(_('unable to collapse, there is more '
                             'than one external parent'))
                 external = p.rev()
     return external
 
 def concludenode(repo, rev, p1, p2, commitmsg=None, editor=None, extrafn=None):
     'Commit the changes and store useful information in extra'
     try:
         repo.setparents(repo[p1].node(), repo[p2].node())
         ctx = repo[rev]
         if commitmsg is None:
             commitmsg = ctx.description()
         extra = {'rebase_source': ctx.hex()}
         if extrafn:
             extrafn(ctx, extra)
         # Commit might fail if unresolved files exist
         newrev = repo.commit(text=commitmsg, user=ctx.user(),
                              date=ctx.date(), extra=extra, editor=editor)
         repo.dirstate.setbranch(repo[newrev].branch())
         targetphase = max(ctx.phase(), phases.draft)
         # retractboundary doesn't overwrite upper phase inherited from parent
         newnode = repo[newrev].node()
         if newnode:
             phases.retractboundary(repo, targetphase, [newnode])
         return newrev
     except util.Abort:
         # Invalidate the previous setparents
         repo.dirstate.invalidate()
         raise
 
 def rebasenode(repo, rev, p1, state, collapse):
     'Rebase a single revision'
     # Merge phase
     # Update to target and merge it with local
     if repo['.'].rev() != repo[p1].rev():
         repo.ui.debug(" update to %d:%s\n" % (repo[p1].rev(), repo[p1]))
         merge.update(repo, p1, False, True, False)
     else:
         repo.ui.debug(" already in target\n")
     repo.dirstate.write()
     repo.ui.debug(" merge against %d:%s\n" % (repo[rev].rev(), repo[rev]))
     base = None
     if repo[rev].rev() != repo[min(state)].rev():
         base = repo[rev].p1().node()
     # When collapsing in-place, the parent is the common ancestor, we
     # have to allow merging with it.
     return merge.update(repo, rev, True, True, False, base, collapse)
 
 def defineparents(repo, rev, target, state, targetancestors):
     'Return the new parent relationship of the revision that will be rebased'
     parents = repo[rev].parents()
     p1 = p2 = nullrev
 
     P1n = parents[0].rev()
     if P1n in targetancestors:
         p1 = target
     elif P1n in state:
         if state[P1n] == nullmerge:
             p1 = target
         else:
             p1 = state[P1n]
     else: # P1n external
         p1 = target
         p2 = P1n
 
     if len(parents) == 2 and parents[1].rev() not in targetancestors:
         P2n = parents[1].rev()
         # interesting second parent
         if P2n in state:
             if p1 == target: # P1n in targetancestors or external
                 p1 = state[P2n]
             else:
                 p2 = state[P2n]
         else: # P2n external
             if p2 != nullrev: # P1n external too => rev is a merged revision
                 raise util.Abort(_('cannot use revision %d as base, result '
                         'would have 3 parents') % rev)
             p2 = P2n
     repo.ui.debug(" future parents are %d and %d\n" %
                             (repo[p1].rev(), repo[p2].rev()))
     return p1, p2
 
 def isagitpatch(repo, patchname):
     'Return true if the given patch is in git format'
     mqpatch = os.path.join(repo.mq.path, patchname)
     for line in patch.linereader(file(mqpatch, 'rb')):
         if line.startswith('diff --git'):
             return True
     return False
 
 def updatemq(repo, state, skipped, **opts):
     'Update rebased mq patches - finalize and then import them'
     mqrebase = {}
     mq = repo.mq
     original_series = mq.fullseries[:]
     skippedpatches = set()
 
     for p in mq.applied:
         rev = repo[p.node].rev()
         if rev in state:
             repo.ui.debug('revision %d is an mq patch (%s), finalize it.\n' %
                                         (rev, p.name))
             mqrebase[rev] = (p.name, isagitpatch(repo, p.name))
         else:
             # Applied but not rebased, not sure this should happen
             skippedpatches.add(p.name)
 
     if mqrebase:
         mq.finish(repo, mqrebase.keys())
 
         # We must start import from the newest revision
         for rev in sorted(mqrebase, reverse=True):
             if rev not in skipped:
                 name, isgit = mqrebase[rev]
                 repo.ui.debug('import mq patch %d (%s)\n' % (state[rev], name))
                 mq.qimport(repo, (), patchname=name, git=isgit,
                                 rev=[str(state[rev])])
             else:
                 # Rebased and skipped
                 skippedpatches.add(mqrebase[rev][0])
 
         # Patches were either applied and rebased and imported in
         # order, applied and removed or unapplied. Discard the removed
         # ones while preserving the original series order and guards.
         newseries = [s for s in original_series
                      if mq.guard_re.split(s, 1)[0] not in skippedpatches]
         mq.fullseries[:] = newseries
         mq.seriesdirty = True
         mq.savedirty()
 
 def updatebookmarks(repo, nstate, originalbookmarks, **opts):
     'Move bookmarks to their correct changesets'
     current = repo._bookmarkcurrent
     for k, v in originalbookmarks.iteritems():
         if v in nstate:
             if nstate[v] != nullmerge:
                 # reset the pointer if the bookmark was moved incorrectly
                 if k != current:
                     repo._bookmarks[k] = nstate[v]
 
     bookmarks.write(repo)
 
 def storestatus(repo, originalwd, target, state, collapse, keep, keepbranches,
                                                                 external):
     'Store the current status to allow recovery'
     f = repo.opener("rebasestate", "w")
     f.write(repo[originalwd].hex() + '\n')
     f.write(repo[target].hex() + '\n')
     f.write(repo[external].hex() + '\n')
     f.write('%d\n' % int(collapse))
     f.write('%d\n' % int(keep))
     f.write('%d\n' % int(keepbranches))
     for d, v in state.iteritems():
         oldrev = repo[d].hex()
         if v != nullmerge:
             newrev = repo[v].hex()
         else:
             newrev = v
         f.write("%s:%s\n" % (oldrev, newrev))
     f.close()
     repo.ui.debug('rebase status stored\n')
 
 def clearstatus(repo):
     'Remove the status files'
     if os.path.exists(repo.join("rebasestate")):
         util.unlinkpath(repo.join("rebasestate"))
 
 def restorestatus(repo):
     'Restore a previously stored status'
     try:
         target = None
         collapse = False
         external = nullrev
         state = {}
         f = repo.opener("rebasestate")
         for i, l in enumerate(f.read().splitlines()):
             if i == 0:
                 originalwd = repo[l].rev()
             elif i == 1:
                 target = repo[l].rev()
             elif i == 2:
                 external = repo[l].rev()
             elif i == 3:
                 collapse = bool(int(l))
             elif i == 4:
                 keep = bool(int(l))
             elif i == 5:
                 keepbranches = bool(int(l))
             else:
                 oldrev, newrev = l.split(':')
                 if newrev != str(nullmerge):
                     state[repo[oldrev].rev()] = repo[newrev].rev()
                 else:
                     state[repo[oldrev].rev()] = int(newrev)
         skipped = set()
         # recompute the set of skipped revs
         if not collapse:
             seen = set([target])
             for old, new in sorted(state.items()):
                 if new != nullrev and new in seen:
                     skipped.add(old)
                 seen.add(new)
         repo.ui.debug('computed skipped revs: %s\n' % skipped)
         repo.ui.debug('rebase status resumed\n')
         return (originalwd, target, state, skipped,
                 collapse, keep, keepbranches, external)
     except IOError, err:
         if err.errno != errno.ENOENT:
             raise
         raise util.Abort(_('no rebase in progress'))
 
 def abort(repo, originalwd, target, state):
     'Restore the repository to its original state'
     dstates = [s for s in state.values() if s != nullrev]
     if [d for d in dstates if not repo[d].mutable()]:
         repo.ui.warn(_("warning: immutable rebased changeset detected, "
                        "can't abort\n"))
         return -1
 
     descendants = set()
     if dstates:
         descendants = set(repo.changelog.descendants(dstates))
     if descendants - set(dstates):
         repo.ui.warn(_("warning: new changesets detected on target branch, "
                        "can't abort\n"))
         return -1
     else:
         # Strip from the first rebased revision
         merge.update(repo, repo[originalwd].rev(), False, True, False)
         rebased = filter(lambda x: x > -1 and x != target, state.values())
         if rebased:
             strippoint = min(rebased)
             # no backup of rebased cset versions needed
             repair.strip(repo.ui, repo, repo[strippoint].node())
         clearstatus(repo)
         repo.ui.warn(_('rebase aborted\n'))
         return 0
 
-def buildstate(repo, dest, rebaseset, detach, collapse):
+def buildstate(repo, dest, rebaseset, collapse):
     '''Define which revisions are going to be rebased and where
 
     repo: repo
     dest: context
     rebaseset: set of rev
-    detach: boolean'''
+    '''
 
     # This check isn't strictly necessary, since mq detects commits over an
     # applied patch. But it prevents messing up the working directory when
     # a partially completed rebase is blocked by mq.
     if 'qtip' in repo.tags() and (dest.node() in
                             [s.node for s in repo.mq.applied]):
         raise util.Abort(_('cannot rebase onto an applied mq patch'))
 
-    detachset = set()
     roots = list(repo.set('roots(%ld)', rebaseset))
     if not roots:
         raise util.Abort(_('no matching revisions'))
     if len(roots) > 1:
         raise util.Abort(_("can't rebase multiple roots"))
     root = roots[0]
 
     commonbase = root.ancestor(dest)
     if commonbase == root:
         raise util.Abort(_('source is ancestor of destination'))
     if commonbase == dest:
         samebranch = root.branch() == dest.branch()
         if not collapse and samebranch and root in dest.children():
             repo.ui.debug('source is a child of destination\n')
             return None
-        # rebase on ancestor, force detach
-        detach = True
-    if detach:
-        detachset = repo.revs('::%d - ::%d - %d', root, commonbase, root)
 
     repo.ui.debug('rebase onto %d starting from %d\n' % (dest, root))
     state = dict.fromkeys(rebaseset, nullrev)
-    state.update(dict.fromkeys(detachset, nullmerge))
+    # Rebase tries to turn <dest> into a parent of <root> while
+    # preserving the number of parents of rebased changesets:
+    #
+    # - A changeset with a single parent will always be rebased as a
+    #   changeset with a single parent.
+    #
+    # - A merge will be rebased as merge unless its parents are both
+    #   ancestors of <dest> or are themselves in the rebased set and
+    #   pruned while rebased.
+    #
+    # If one parent of <root> is an ancestor of <dest>, the rebased
+    # version of this parent will be <dest>. This is always true with
+    # --base option.
+    #
+    # Otherwise, we need to *replace* the original parents with
+    # <dest>. This "detaches" the rebased set from its former location
+    # and rebases it onto <dest>. Changes introduced by ancestors of
+    # <root> not common with <dest> (the detachset, marked as
+    # nullmerge) are "removed" from the rebased changesets.
+    #
+    # - If <root> has a single parent, set it to <dest>.
+    #
+    # - If <root> is a merge, we cannot decide which parent to
+    #   replace, the rebase operation is not clearly defined.
+    #
+    # The table below sums up this behavior:
+    #
+    # +--------------------+----------------------+-------------------------+
+    # |                    |     one parent       |  merge                  |
+    # +--------------------+----------------------+-------------------------+
+    # | parent in ::<dest> | new parent is <dest> | parents in ::<dest> are |
+    # |                    |                      | remapped to <dest>      |
+    # +--------------------+----------------------+-------------------------+
+    # | unrelated source   | new parent is <dest> | ambiguous, abort        |
+    # +--------------------+----------------------+-------------------------+
+    #
+    # The actual abort is handled by `defineparents`
+    if len(root.parents()) <= 1:
+        # (strict) ancestors of <root> not ancestors of <dest>
+        detachset = repo.revs('::%d - ::%d - %d', root, commonbase, root)
+        state.update(dict.fromkeys(detachset, nullmerge))
     return repo['.'].rev(), dest.rev(), state
 
 def pullrebase(orig, ui, repo, *args, **opts):
     'Call rebase after pull if the latter has been invoked with --rebase'
     if opts.get('rebase'):
         if opts.get('update'):
             del opts['update']
             ui.debug('--update and --rebase are not compatible, ignoring '
                      'the update flag\n')
 
         movemarkfrom = repo['.'].node()
         cmdutil.bailifchanged(repo)
         revsprepull = len(repo)
         origpostincoming = commands.postincoming
         def _dummy(*args, **kwargs):
             pass
         commands.postincoming = _dummy
         try:
             orig(ui, repo, *args, **opts)
         finally:
             commands.postincoming = origpostincoming
         revspostpull = len(repo)
         if revspostpull > revsprepull:
             rebase(ui, repo, **opts)
             branch = repo[None].branch()
             dest = repo[branch].rev()
             if dest != repo['.'].rev():
                 # there was nothing to rebase we force an update
                 hg.update(repo, dest)
                 if bookmarks.update(repo, [movemarkfrom], repo['.'].node()):
                     ui.status(_("updating bookmark %s\n")
                               % repo._bookmarkcurrent)
     else:
         if opts.get('tool'):
             raise util.Abort(_('--tool can only be used with --rebase'))
         orig(ui, repo, *args, **opts)
 
 def uisetup(ui):
     'Replace pull with a decorator to provide --rebase option'
     entry = extensions.wrapcommand(commands.table, 'pull', pullrebase)
     entry[1].append(('', 'rebase', None,
                      _("rebase working directory to branch head")))
     entry[1].append(('t', 'tool', '',
                      _("specify merge tool for rebase")))

tests/test-bookmarks-rebase.t

@@ -1,67 +1,66 b''
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "rebase=" >> $HGRCPATH
 
 initialize repository
 
   $ hg init
 
   $ echo 'a' > a
   $ hg ci -A -m "0"
   adding a
 
   $ echo 'b' > b
   $ hg ci -A -m "1"
   adding b
 
   $ hg up 0
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo 'c' > c
   $ hg ci -A -m "2"
   adding c
   created new head
 
   $ echo 'd' > d
   $ hg ci -A -m "3"
   adding d
 
   $ hg bookmark -r 1 one
   $ hg bookmark -r 3 two
 
 bookmark list
 
   $ hg bookmark
      one                       1:925d80f479bb
    * two                       3:2ae46b1d99a7
 
 rebase
 
   $ hg rebase -s two -d one
   saved backup bundle to $TESTTMP/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg log
-  changeset:   3:9163974d1cb5
+  changeset:   3:42e5ed2cdcf4
   bookmark:    two
   tag:         tip
   parent:      1:925d80f479bb
-  parent:      2:db815d6d32e6
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     3
   
   changeset:   2:db815d6d32e6
   parent:      0:f7b1eb17ad24
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     2
   
   changeset:   1:925d80f479bb
   bookmark:    one
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     1
   
   changeset:   0:f7b1eb17ad24
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     0
   

tests/test-rebase-bookmarks.t

@@ -1,90 +1,90 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' bookmarks: {bookmarks}\n"
   > EOF
 
 Create a repo with several bookmarks
   $ hg init a
   $ cd a
 
   $ echo a > a
   $ hg ci -Am A
   adding a
 
   $ echo b > b
   $ hg ci -Am B
   adding b
   $ hg book 'X'
   $ hg book 'Y'
  
   $ echo c > c
   $ hg ci -Am C
   adding c
   $ hg book 'Z'
 
   $ hg up -q 0
 
   $ echo d > d
   $ hg ci -Am D
   adding d
   created new head
 
   $ hg tglog 
   @  3: 'D' bookmarks:
   |
   | o  2: 'C' bookmarks: Y Z
   | |
   | o  1: 'B' bookmarks: X
   |/
   o  0: 'A' bookmarks:
   
  
 Move only rebased bookmarks
 
   $ cd ..
   $ hg clone -q a a1
 
   $ cd a1
   $ hg up -q Z
 
-  $ hg rebase --detach -s Y -d 3
+  $ hg rebase -s Y -d 3
   saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog 
   @  3: 'C' bookmarks: Y Z
   |
   o  2: 'D' bookmarks:
   |
   | o  1: 'B' bookmarks: X
   |/
   o  0: 'A' bookmarks:
   
 Keep bookmarks to the correct rebased changeset
 
   $ cd ..
   $ hg clone -q a a2
 
   $ cd a2
   $ hg up -q Z
 
   $ hg rebase -s 1 -d 3
   saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog 
   @  3: 'C' bookmarks: Y Z
   |
   o  2: 'B' bookmarks: X
   |
   o  1: 'D' bookmarks:
   |
   o  0: 'A' bookmarks:
   
 
   $ cd ..

tests/test-rebase-cache.t

@@ -1,265 +1,265 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog  = log -G --template "{rev}: '{desc}' {branches}\n"
   > theads = heads --template "{rev}: '{desc}' {branches}\n"
   > EOF
 
   $ hg init a
   $ cd a
 
   $ echo a > a
   $ hg ci -Am A
   adding a
 
   $ hg branch branch1
   marked working directory as branch branch1
   (branches are permanent and global, did you want a bookmark?)
   $ hg ci -m 'branch1'
 
   $ echo b > b
   $ hg ci -Am B
   adding b
 
   $ hg up -q 0
 
   $ hg branch branch2
   marked working directory as branch branch2
   (branches are permanent and global, did you want a bookmark?)
   $ hg ci -m 'branch2'
 
   $ echo c > C
   $ hg ci -Am C
   adding C
 
   $ hg up -q 2
 
   $ hg branch -f branch2
   marked working directory as branch branch2
   (branches are permanent and global, did you want a bookmark?)
   $ echo d > d
   $ hg ci -Am D
   adding d
   created new head
 
   $ echo e > e
   $ hg ci -Am E
   adding e
 
   $ hg update default
   0 files updated, 0 files merged, 3 files removed, 0 files unresolved
 
   $ hg branch branch3
   marked working directory as branch branch3
   (branches are permanent and global, did you want a bookmark?)
   $ hg ci -m 'branch3'
 
   $ echo f > f
   $ hg ci -Am F
   adding f
 
   $ cd ..
 
 
 Rebase part of branch2 (5-6) onto branch3 (8):
 
   $ hg clone -q -u . a a1
   $ cd a1
 
   $ hg tglog  
   @  8: 'F' branch3
   |
   o  7: 'branch3' branch3
   |
   | o  6: 'E' branch2
   | |
   | o  5: 'D' branch2
   | |
   | | o  4: 'C' branch2
   | | |
   +---o  3: 'branch2' branch2
   | |
   | o  2: 'B' branch1
   | |
   | o  1: 'branch1' branch1
   |/
   o  0: 'A'
   
   $ hg branches
   branch3                        8:4666b71e8e32
   branch2                        6:5097051d331d
   branch1                        2:0a03079c47fd (inactive)
   default                        0:1994f17a630e (inactive)
 
   $ hg theads
   8: 'F' branch3
   6: 'E' branch2
   4: 'C' branch2
   2: 'B' branch1
   0: 'A' 
 
-  $ hg rebase --detach -s 5 -d 8
+  $ hg rebase -s 5 -d 8
   saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg branches
   branch3                        8:466cdfb14b62
   branch2                        4:e4fdb121d036
   branch1                        2:0a03079c47fd
   default                        0:1994f17a630e (inactive)
 
   $ hg theads
   8: 'E' branch3
   4: 'C' branch2
   2: 'B' branch1
   0: 'A' 
 
   $ hg tglog  
   @  8: 'E' branch3
   |
   o  7: 'D' branch3
   |
   o  6: 'F' branch3
   |
   o  5: 'branch3' branch3
   |
   | o  4: 'C' branch2
   | |
   | o  3: 'branch2' branch2
   |/
   | o  2: 'B' branch1
   | |
   | o  1: 'branch1' branch1
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Rebase head of branch3 (8) onto branch2 (6):
 
   $ hg clone -q -u . a a2
   $ cd a2
 
   $ hg tglog
   @  8: 'F' branch3
   |
   o  7: 'branch3' branch3
   |
   | o  6: 'E' branch2
   | |
   | o  5: 'D' branch2
   | |
   | | o  4: 'C' branch2
   | | |
   +---o  3: 'branch2' branch2
   | |
   | o  2: 'B' branch1
   | |
   | o  1: 'branch1' branch1
   |/
   o  0: 'A'
   
-  $ hg rebase --detach -s 8 -d 6
+  $ hg rebase -s 8 -d 6
   saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg branches
   branch2                        8:6b4bdc1b5ac0
   branch3                        7:653b9feb4616
   branch1                        2:0a03079c47fd (inactive)
   default                        0:1994f17a630e (inactive)
 
   $ hg theads
   8: 'F' branch2
   7: 'branch3' branch3
   4: 'C' branch2
   2: 'B' branch1
   0: 'A' 
 
   $ hg tglog
   @  8: 'F' branch2
   |
   | o  7: 'branch3' branch3
   | |
   o |  6: 'E' branch2
   | |
   o |  5: 'D' branch2
   | |
   | | o  4: 'C' branch2
   | | |
   | | o  3: 'branch2' branch2
   | |/
   o |  2: 'B' branch1
   | |
   o |  1: 'branch1' branch1
   |/
   o  0: 'A'
   
   $ hg verify -q
 
   $ cd ..
 
 
 Rebase entire branch3 (7-8) onto branch2 (6):
 
   $ hg clone -q -u . a a3
   $ cd a3
 
   $ hg tglog
   @  8: 'F' branch3
   |
   o  7: 'branch3' branch3
   |
   | o  6: 'E' branch2
   | |
   | o  5: 'D' branch2
   | |
   | | o  4: 'C' branch2
   | | |
   +---o  3: 'branch2' branch2
   | |
   | o  2: 'B' branch1
   | |
   | o  1: 'branch1' branch1
   |/
   o  0: 'A'
   
-  $ hg rebase --detach -s 7 -d 6
+  $ hg rebase -s 7 -d 6
   saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg branches
   branch2                        7:6b4bdc1b5ac0
   branch1                        2:0a03079c47fd (inactive)
   default                        0:1994f17a630e (inactive)
 
   $ hg theads
   7: 'F' branch2
   4: 'C' branch2
   2: 'B' branch1
   0: 'A' 
 
   $ hg tglog   
   @  7: 'F' branch2
   |
   o  6: 'E' branch2
   |
   o  5: 'D' branch2
   |
   | o  4: 'C' branch2
   | |
   | o  3: 'branch2' branch2
   | |
   o |  2: 'B' branch1
   | |
   o |  1: 'branch1' branch1
   |/
   o  0: 'A'
   
   $ hg verify -q
 
   $ cd ..

tests/test-rebase-collapse.t

@@ -1,632 +1,630 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' {branches}\n"
   > tglogp = log -G --template "{rev}:{phase} '{desc}' {branches}\n"
   > EOF
 
 Create repo a:
 
   $ hg init a
   $ cd a
   $ hg unbundle "$TESTDIR/bundles/rebase.hg"
   adding changesets
   adding manifests
   adding file changes
   added 8 changesets with 7 changes to 7 files (+2 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg up tip
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Rebasing B onto H and collapsing changesets with different phases:
 
 
   $ hg clone -q -u 3 a a1
   $ cd a1
 
   $ hg phase --force --secret 3
 
   $ hg rebase --collapse --keepbranches
   saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglogp
   @  5:secret 'Collapsed revision
   |  * B
   |  * C
   |  * D'
   o  4:draft 'H'
   |
   | o  3:draft 'G'
   |/|
   o |  2:draft 'F'
   | |
   | o  1:draft 'E'
   |/
   o  0:draft 'A'
   
   $ hg manifest
   A
   B
   C
   D
   F
   H
 
   $ cd ..
 
 
 Rebasing E onto H:
 
   $ hg clone -q -u . a a2
   $ cd a2
 
   $ hg phase --force --secret 6
   $ hg rebase --source 4 --collapse
   saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  6: 'Collapsed revision
   |  * E
   |  * G'
   o  5: 'H'
   |
   o  4: 'F'
   |
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ hg manifest
   A
   E
   F
   H
 
   $ cd ..
 
 Rebasing G onto H with custom message:
 
   $ hg clone -q -u . a a3
   $ cd a3
 
   $ hg rebase --base 6 -m 'custom message'
   abort: message can only be specified with collapse
   [255]
 
   $ hg rebase --source 4 --collapse -m 'custom message'
   saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  6: 'custom message'
   |
   o  5: 'H'
   |
   o  4: 'F'
   |
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ hg manifest
   A
   E
   F
   H
 
   $ cd ..
 
 Create repo b:
 
   $ hg init b
   $ cd b
 
   $ echo A > A
   $ hg ci -Am A
   adding A
   $ echo B > B
   $ hg ci -Am B
   adding B
 
   $ hg up -q 0
 
   $ echo C > C
   $ hg ci -Am C
   adding C
   created new head
 
   $ hg merge
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
   $ echo D > D
   $ hg ci -Am D
   adding D
 
   $ hg up -q 1
 
   $ echo E > E
   $ hg ci -Am E
   adding E
   created new head
 
   $ echo F > F
   $ hg ci -Am F
   adding F
 
   $ hg merge
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m G
 
   $ hg up -q 0
 
   $ echo H > H
   $ hg ci -Am H
   adding H
   created new head
 
   $ hg tglog
   @  7: 'H'
   |
   | o    6: 'G'
   | |\
   | | o  5: 'F'
   | | |
   | | o  4: 'E'
   | | |
   | o |  3: 'D'
   | |\|
   | o |  2: 'C'
   |/ /
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Rebase and collapse - more than one external (fail):
 
   $ hg clone -q -u . b b1
   $ cd b1
 
   $ hg rebase -s 2 --collapse
   abort: unable to collapse, there is more than one external parent
   [255]
 
 Rebase and collapse - E onto H:
 
-  $ hg rebase -s 4 --collapse
+  $ hg rebase -s 4 --collapse # root (4) is not a merge
   saved backup bundle to $TESTTMP/b1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @    5: 'Collapsed revision
   |\   * E
   | |  * F
   | |  * G'
   | o  4: 'H'
   | |
   o |    3: 'D'
   |\ \
   | o |  2: 'C'
   | |/
   o /  1: 'B'
   |/
   o  0: 'A'
   
   $ hg manifest
   A
-  B
   C
   D
   E
   F
   H
 
   $ cd ..
 
 
 Create repo c:
 
   $ hg init c
   $ cd c
 
   $ echo A > A
   $ hg ci -Am A
   adding A
   $ echo B > B
   $ hg ci -Am B
   adding B
 
   $ hg up -q 0
 
   $ echo C > C
   $ hg ci -Am C
   adding C
   created new head
 
   $ hg merge
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
   $ echo D > D
   $ hg ci -Am D
   adding D
 
   $ hg up -q 1
 
   $ echo E > E
   $ hg ci -Am E
   adding E
   created new head
   $ echo F > E
   $ hg ci -m 'F'
 
   $ echo G > G
   $ hg ci -Am G
   adding G
 
   $ hg merge
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
   $ hg ci -m H
 
   $ hg up -q 0
 
   $ echo I > I
   $ hg ci -Am I
   adding I
   created new head
 
   $ hg tglog
   @  8: 'I'
   |
   | o    7: 'H'
   | |\
   | | o  6: 'G'
   | | |
   | | o  5: 'F'
   | | |
   | | o  4: 'E'
   | | |
   | o |  3: 'D'
   | |\|
   | o |  2: 'C'
   |/ /
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Rebase and collapse - E onto I:
 
   $ hg clone -q -u . c c1
   $ cd c1
 
-  $ hg rebase -s 4 --collapse
+  $ hg rebase -s 4 --collapse # root (4) is not a merge
   merging E
   saved backup bundle to $TESTTMP/c1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @    5: 'Collapsed revision
   |\   * E
   | |  * F
   | |  * G
   | |  * H'
   | o  4: 'I'
   | |
   o |    3: 'D'
   |\ \
   | o |  2: 'C'
   | |/
   o /  1: 'B'
   |/
   o  0: 'A'
   
   $ hg manifest
   A
-  B
   C
   D
   E
   G
   I
 
   $ cat E
   F
 
   $ cd ..
 
 
 Create repo d:
 
   $ hg init d
   $ cd d
 
   $ echo A > A
   $ hg ci -Am A
   adding A
   $ echo B > B
   $ hg ci -Am B
   adding B
   $ echo C > C
   $ hg ci -Am C
   adding C
 
   $ hg up -q 1
 
   $ echo D > D
   $ hg ci -Am D
   adding D
   created new head
   $ hg merge
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
   $ hg ci -m E
 
   $ hg up -q 0
 
   $ echo F > F
   $ hg ci -Am F
   adding F
   created new head
 
   $ hg tglog
   @  5: 'F'
   |
   | o    4: 'E'
   | |\
   | | o  3: 'D'
   | | |
   | o |  2: 'C'
   | |/
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Rebase and collapse - B onto F:
 
   $ hg clone -q -u . d d1
   $ cd d1
 
   $ hg rebase -s 1 --collapse
   saved backup bundle to $TESTTMP/d1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  2: 'Collapsed revision
   |  * B
   |  * C
   |  * D
   |  * E'
   o  1: 'F'
   |
   o  0: 'A'
   
   $ hg manifest
   A
   B
   C
   D
   F
 
 Interactions between collapse and keepbranches
   $ cd ..
   $ hg init e
   $ cd e
   $ echo 'a' > a
   $ hg ci -Am 'A'
   adding a
 
   $ hg branch '1'
   marked working directory as branch 1
   (branches are permanent and global, did you want a bookmark?)
   $ echo 'b' > b
   $ hg ci -Am 'B'
   adding b
 
   $ hg branch '2'
   marked working directory as branch 2
   (branches are permanent and global, did you want a bookmark?)
   $ echo 'c' > c
   $ hg ci -Am 'C'
   adding c
 
   $ hg up -q 0
   $ echo 'd' > d
   $ hg ci -Am 'D'
   adding d
 
   $ hg tglog
   @  3: 'D'
   |
   | o  2: 'C' 2
   | |
   | o  1: 'B' 1
   |/
   o  0: 'A'
   
   $ hg rebase --keepbranches --collapse -s 1 -d 3
   abort: cannot collapse multiple named branches
   [255]
 
   $ repeatchange() {
   >   hg checkout $1
   >   hg cp d z
   >   echo blah >> z
   >   hg commit -Am "$2" --user "$3"
   > }
   $ repeatchange 3 "E" "user1"
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ repeatchange 3 "E" "user2"
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   created new head
   $ hg tglog
   @  5: 'E'
   |
   | o  4: 'E'
   |/
   o  3: 'D'
   |
   | o  2: 'C' 2
   | |
   | o  1: 'B' 1
   |/
   o  0: 'A'
   
   $ hg rebase -s 5 -d 4
   saved backup bundle to $TESTTMP/e/.hg/strip-backup/*-backup.hg (glob)
   $ hg tglog
   @  4: 'E'
   |
   o  3: 'D'
   |
   | o  2: 'C' 2
   | |
   | o  1: 'B' 1
   |/
   o  0: 'A'
   
   $ hg export tip
   # HG changeset patch
   # User user1
   # Date 0 0
   # Node ID f338eb3c2c7cc5b5915676a2376ba7ac558c5213
   # Parent  41acb9dca9eb976e84cd21fcb756b4afa5a35c09
   E
   
   diff -r 41acb9dca9eb -r f338eb3c2c7c z
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/z	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,2 @@
   +d
   +blah
 
   $ cd ..
 
 Rebase, collapse and copies
 
   $ hg init copies
   $ cd copies
   $ hg unbundle "$TESTDIR/bundles/renames.hg"
   adding changesets
   adding manifests
   adding file changes
   added 4 changesets with 11 changes to 7 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg up -q tip
   $ hg tglog
   @  3: 'move2'
   |
   o  2: 'move1'
   |
   | o  1: 'change'
   |/
   o  0: 'add'
   
   $ hg rebase --collapse -d 1
   merging a and d to d
   merging b and e to e
   merging c and f to f
   merging e and g to g
   merging f and c to c
   saved backup bundle to $TESTTMP/copies/.hg/strip-backup/*-backup.hg (glob)
   $ hg st
   $ hg st --copies --change .
   A d
     a
   A g
     b
   R b
   $ cat c
   c
   c
   $ cat d
   a
   a
   $ cat g
   b
   b
   $ hg log -r . --template "{file_copies}\n"
   d (a)g (b)
 
 Test collapsing a middle revision in-place
 
   $ hg tglog
   @  2: 'Collapsed revision
   |  * move1
   |  * move2'
   o  1: 'change'
   |
   o  0: 'add'
   
   $ hg rebase --collapse -r 1 -d 0
   abort: can't remove original changesets with unrebased descendants
   (use --keep to keep original changesets)
   [255]
 
 Test collapsing in place
 
   $ hg rebase --collapse -b . -d 0
   saved backup bundle to $TESTTMP/copies/.hg/strip-backup/*-backup.hg (glob)
   $ hg st --change . --copies
   M a
   M c
   A d
     a
   A g
     b
   R b
   $ cat a
   a
   a
   $ cat c
   c
   c
   $ cat d
   a
   a
   $ cat g
   b
   b
   $ cd ..

tests/test-rebase-detach.t

@@ -1,400 +1,400 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' {branches}\n"
   > EOF
 
 
   $ hg init a
   $ cd a
   $ hg unbundle "$TESTDIR/bundles/rebase.hg"
   adding changesets
   adding manifests
   adding file changes
   added 8 changesets with 7 changes to 7 files (+2 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg up tip
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ cd ..
 
 
 Rebasing D onto H detaching from C:
 
   $ hg clone -q -u . a a1
   $ cd a1
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ hg phase --force --secret 3
-  $ hg rebase --detach -s 3 -d 7
+  $ hg rebase -s 3 -d 7
   saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg log -G --template "{rev}:{phase} '{desc}' {branches}\n"
   @  7:secret 'D'
   |
   o  6:draft 'H'
   |
   | o  5:draft 'G'
   |/|
   o |  4:draft 'F'
   | |
   | o  3:draft 'E'
   |/
   | o  2:draft 'C'
   | |
   | o  1:draft 'B'
   |/
   o  0:draft 'A'
   
   $ hg manifest
   A
   D
   F
   H
 
   $ cd ..
 
 
 Rebasing C onto H detaching from B:
 
   $ hg clone -q -u . a a2
   $ cd a2
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
-  $ hg rebase --detach -s 2 -d 7
+  $ hg rebase -s 2 -d 7
   saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  7: 'D'
   |
   o  6: 'C'
   |
   o  5: 'H'
   |
   | o  4: 'G'
   |/|
   o |  3: 'F'
   | |
   | o  2: 'E'
   |/
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ hg manifest
   A
   C
   D
   F
   H
 
   $ cd ..
 
 
 Rebasing B onto H using detach (same as not using it):
 
   $ hg clone -q -u . a a3
   $ cd a3
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
-  $ hg rebase --detach -s 1 -d 7
+  $ hg rebase -s 1 -d 7
   saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  7: 'D'
   |
   o  6: 'C'
   |
   o  5: 'B'
   |
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
   $ hg manifest
   A
   B
   C
   D
   F
   H
 
   $ cd ..
 
 
 Rebasing C onto H detaching from B and collapsing:
 
   $ hg clone -q -u . a a4
   $ cd a4
   $ hg phase --force --secret 3
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
-  $ hg rebase --detach --collapse -s 2 -d 7
+  $ hg rebase --collapse -s 2 -d 7
   saved backup bundle to $TESTTMP/a4/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg  log -G --template "{rev}:{phase} '{desc}' {branches}\n"
   @  6:secret 'Collapsed revision
   |  * C
   |  * D'
   o  5:draft 'H'
   |
   | o  4:draft 'G'
   |/|
   o |  3:draft 'F'
   | |
   | o  2:draft 'E'
   |/
   | o  1:draft 'B'
   |/
   o  0:draft 'A'
   
   $ hg manifest
   A
   C
   D
   F
   H
 
   $ cd ..
 
 Rebasing across null as ancestor
   $ hg clone -q -U a a5
 
   $ cd a5
 
   $ echo x > x
 
   $ hg add x
 
   $ hg ci -m "extra branch"
   created new head
 
   $ hg tglog
   @  8: 'extra branch'
   
   o  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
-  $ hg rebase --detach -s 1 -d tip
+  $ hg rebase -s 1 -d tip
   saved backup bundle to $TESTTMP/a5/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   o  5: 'extra branch'
   
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
 
   $ hg rebase -d 5 -s 7
   saved backup bundle to $TESTTMP/a5/.hg/strip-backup/13547172c9c0-backup.hg (glob)
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   | o  6: 'B'
   |/
   o  5: 'extra branch'
   
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
   $ cd ..
 
 Verify that target is not selected as external rev (issue3085)
 
   $ hg clone -q -U a a6
   $ cd a6
   $ hg up -q 6
 
   $ echo "I" >> E
   $ hg ci -m "I"
   $ hg merge 7
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m "Merge"
   $ echo "J" >> F
   $ hg ci -m "J"
 
-  $ hg rebase -s 8 -d 7 --collapse --detach --config ui.merge=internal:other
+  $ hg rebase -s 8 -d 7 --collapse --config ui.merge=internal:other
   remote changed E which local deleted
   use (c)hanged version or leave (d)eleted? c
   saved backup bundle to $TESTTMP/a6/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'Collapsed revision
   |  * I
   |  * Merge
   |  * J'
   o  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
 
   $ hg parents
   changeset:   8:9472f4b1d736
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Collapsed revision
   
 
   $ cd ..
 
 Ensure --continue restores a correct state (issue3046) and phase:
   $ hg clone -q a a7
   $ cd a7
   $ hg up -q 3
   $ echo 'H2' > H
   $ hg ci -A -m 'H2'
   adding H
   $ hg phase --force --secret 8
-  $ hg rebase -s 8 -d 7 --detach --config ui.merge=internal:fail
+  $ hg rebase -s 8 -d 7 --config ui.merge=internal:fail
   merging H
   warning: conflicts during merge.
   merging H incomplete! (edit conflicts, then use 'hg resolve --mark')
   abort: unresolved conflicts (see hg resolve, then hg rebase --continue)
   [255]
   $ hg resolve --all -t internal:local
   $ hg rebase -c
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/6215fafa5447-backup.hg (glob)
   $ hg  log -G --template "{rev}:{phase} '{desc}' {branches}\n"
   @  7:draft 'H'
   |
   | o  6:draft 'G'
   |/|
   o |  5:draft 'F'
   | |
   | o  4:draft 'E'
   |/
   | o  3:draft 'D'
   | |
   | o  2:draft 'C'
   | |
   | o  1:draft 'B'
   |/
   o  0:draft 'A'
   
 
   $ cd ..

tests/test-rebase-parameters.t

@@ -1,430 +1,430 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' {branches}\n"
   > EOF
 
 
   $ hg init a
   $ cd a
   $ hg unbundle "$TESTDIR/bundles/rebase.hg"
   adding changesets
   adding manifests
   adding file changes
   added 8 changesets with 7 changes to 7 files (+2 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg up tip
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ echo I > I
   $ hg ci -AmI
   adding I
 
   $ hg tglog
   @  8: 'I'
   |
   o  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 These fail:
 
   $ hg clone -q -u . a a1
   $ cd a1
 
   $ hg rebase -s 8 -d 7
   nothing to rebase
   [1]
 
   $ hg rebase --continue --abort
   abort: cannot use both abort and continue
   [255]
 
   $ hg rebase --continue --collapse
   abort: cannot use collapse with continue or abort
   [255]
 
   $ hg rebase --continue --dest 4
   abort: abort and continue do not allow specifying revisions
   [255]
 
   $ hg rebase --base 5 --source 4
   abort: cannot specify both a source and a base
   [255]
 
   $ hg rebase --rev 5 --source 4
   abort: cannot specify both a revision and a source
   [255]
   $ hg rebase --base 5 --rev 4
   abort: cannot specify both a revision and a base
   [255]
 
   $ hg rebase
   nothing to rebase
   [1]
 
   $ hg up -q 7
 
   $ hg rebase --traceback
   nothing to rebase
   [1]
 
 
 These work:
 
 Rebase with no arguments (from 3 onto 8):
 
   $ hg up -q -C 3
 
   $ hg rebase
   saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   o  5: 'I'
   |
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
 Try to rollback after a rebase (fail):
 
   $ hg rollback
   no rollback information available
   [1]
 
   $ cd ..
 
 
 Rebase with base == '.' => same as no arguments (from 3 onto 8):
 
   $ hg clone -q -u 3 a a2
   $ cd a2
 
   $ hg rebase --base .
   saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   o  5: 'I'
   |
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Rebase with dest == branch(.) => same as no arguments (from 3 onto 8):
 
   $ hg clone -q -u 3 a a3
   $ cd a3
 
   $ hg rebase --dest 'branch(.)'
   saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   o  5: 'I'
   |
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Specify only source (from 2 onto 8):
 
   $ hg clone -q -u . a a4
   $ cd a4
 
   $ hg rebase --source 'desc("C")'
   saved backup bundle to $TESTTMP/a4/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
-  o    7: 'C'
-  |\
-  | o  6: 'I'
-  | |
-  | o  5: 'H'
+  o  7: 'C'
+  |
+  o  6: 'I'
+  |
+  o  5: 'H'
+  |
+  | o  4: 'G'
+  |/|
+  o |  3: 'F'
   | |
-  | | o  4: 'G'
-  | |/|
-  | o |  3: 'F'
-  | | |
-  | | o  2: 'E'
-  | |/
-  o |  1: 'B'
+  | o  2: 'E'
+  |/
+  | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Specify only dest (from 3 onto 6):
 
   $ hg clone -q -u 3 a a5
   $ cd a5
 
   $ hg rebase --dest 6
   saved backup bundle to $TESTTMP/a5/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   | o  5: 'I'
   | |
   | o  4: 'H'
   | |
   o |  3: 'G'
   |\|
   | o  2: 'F'
   | |
   o |  1: 'E'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Specify only base (from 1 onto 8):
 
   $ hg clone -q -u . a a6
   $ cd a6
 
   $ hg rebase --base 'desc("D")'
   saved backup bundle to $TESTTMP/a6/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   o  5: 'I'
   |
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Specify source and dest (from 2 onto 7):
 
   $ hg clone -q -u . a a7
   $ cd a7
 
-  $ hg rebase --detach --source 2 --dest 7
+  $ hg rebase --source 2 --dest 7
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   | o  6: 'I'
   |/
   o  5: 'H'
   |
   | o  4: 'G'
   |/|
   o |  3: 'F'
   | |
   | o  2: 'E'
   |/
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Specify base and dest (from 1 onto 7):
 
   $ hg clone -q -u . a a8
   $ cd a8
 
   $ hg rebase --base 3 --dest 7
   saved backup bundle to $TESTTMP/a8/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
   o  7: 'C'
   |
   o  6: 'B'
   |
   | o  5: 'I'
   |/
   o  4: 'H'
   |
   | o  3: 'G'
   |/|
   o |  2: 'F'
   | |
   | o  1: 'E'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Specify only revs (from 2 onto 8)
 
   $ hg clone -q -u . a a9
   $ cd a9
 
   $ hg rebase --rev 'desc("C")::'
   saved backup bundle to $TESTTMP/a9/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  8: 'D'
   |
-  o    7: 'C'
-  |\
-  | o  6: 'I'
-  | |
-  | o  5: 'H'
+  o  7: 'C'
+  |
+  o  6: 'I'
+  |
+  o  5: 'H'
+  |
+  | o  4: 'G'
+  |/|
+  o |  3: 'F'
   | |
-  | | o  4: 'G'
-  | |/|
-  | o |  3: 'F'
-  | | |
-  | | o  2: 'E'
-  | |/
-  o |  1: 'B'
+  | o  2: 'E'
+  |/
+  | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 Test --tool parameter:
 
   $ hg init b
   $ cd b
 
   $ echo c1 > c1
   $ hg ci -Am c1
   adding c1
 
   $ echo c2 > c2
   $ hg ci -Am c2
   adding c2
 
   $ hg up -q 0
   $ echo c2b > c2
   $ hg ci -Am c2b
   adding c2
   created new head
 
   $ cd ..
 
   $ hg clone -q -u . b b1
   $ cd b1
 
   $ hg rebase -s 2 -d 1 --tool internal:local
   saved backup bundle to $TESTTMP/b1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg cat c2
   c2
 
   $ cd ..
 
 
   $ hg clone -q -u . b b2
   $ cd b2
 
   $ hg rebase -s 2 -d 1 --tool internal:other
   saved backup bundle to $TESTTMP/b2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg cat c2
   c2b
 
   $ cd ..
 
 
   $ hg clone -q -u . b b3
   $ cd b3
 
   $ hg rebase -s 2 -d 1 --tool internal:fail
   abort: unresolved conflicts (see hg resolve, then hg rebase --continue)
   [255]
 
   $ hg resolve -l
   U c2
 
   $ hg resolve -m c2
   $ hg rebase -c --tool internal:fail
   tool option will be ignored
   saved backup bundle to $TESTTMP/b3/.hg/strip-backup/*-backup.hg (glob)
 
   $ cd ..

tests/test-rebase-scenario-global.t

@@ -1,547 +1,547 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' {branches}\n"
   > EOF
 
 
   $ hg init a
   $ cd a
   $ hg unbundle "$TESTDIR/bundles/rebase.hg"
   adding changesets
   adding manifests
   adding file changes
   added 8 changesets with 7 changes to 7 files (+2 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg up tip
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd ..
 
 
 Rebasing
 D onto H - simple rebase:
 
   $ hg clone -q -u . a a1
   $ cd a1
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
 
   $ hg rebase -s 3 -d 7
   saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
-  @    7: 'D'
-  |\
-  | o  6: 'H'
+  @  7: 'D'
+  |
+  o  6: 'H'
+  |
+  | o  5: 'G'
+  |/|
+  o |  4: 'F'
   | |
-  | | o  5: 'G'
-  | |/|
-  | o |  4: 'F'
-  | | |
-  | | o  3: 'E'
-  | |/
-  o |  2: 'C'
+  | o  3: 'E'
+  |/
+  | o  2: 'C'
   | |
-  o |  1: 'B'
+  | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 D onto F - intermediate point:
 
   $ hg clone -q -u . a a2
   $ cd a2
 
   $ hg rebase -s 3 -d 5
   saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
-  @    7: 'D'
-  |\
-  | | o  6: 'H'
-  | |/
-  | | o  5: 'G'
-  | |/|
-  | o |  4: 'F'
-  | | |
-  | | o  3: 'E'
-  | |/
-  o |  2: 'C'
+  @  7: 'D'
+  |
+  | o  6: 'H'
+  |/
+  | o  5: 'G'
+  |/|
+  o |  4: 'F'
   | |
-  o |  1: 'B'
+  | o  3: 'E'
+  |/
+  | o  2: 'C'
+  | |
+  | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 E onto H - skip of G:
 
   $ hg clone -q -u . a a3
   $ cd a3
 
   $ hg rebase -s 4 -d 7
   saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  6: 'E'
   |
   o  5: 'H'
   |
   o  4: 'F'
   |
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 F onto E - rebase of a branching point (skip G):
 
   $ hg clone -q -u . a a4
   $ cd a4
 
   $ hg rebase -s 5 -d 4
   saved backup bundle to $TESTTMP/a4/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  6: 'H'
   |
   o  5: 'F'
   |
   o  4: 'E'
   |
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 G onto H - merged revision having a parent in ancestors of target:
 
   $ hg clone -q -u . a a5
   $ cd a5
 
   $ hg rebase -s 6 -d 7
   saved backup bundle to $TESTTMP/a5/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @    7: 'G'
   |\
   | o  6: 'H'
   | |
   | o  5: 'F'
   | |
   o |  4: 'E'
   |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 F onto B - G maintains E as parent:
 
   $ hg clone -q -u . a a6
   $ cd a6
 
   $ hg rebase -s 5 -d 1
   saved backup bundle to $TESTTMP/a6/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   @  7: 'H'
   |
   | o  6: 'G'
   |/|
   o |  5: 'F'
   | |
   | o  4: 'E'
   | |
   | | o  3: 'D'
   | | |
   +---o  2: 'C'
   | |
   o |  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 These will fail (using --source):
 
 G onto F - rebase onto an ancestor:
 
   $ hg clone -q -u . a a7
   $ cd a7
 
   $ hg rebase -s 6 -d 5
   nothing to rebase
   [1]
 
 F onto G - rebase onto a descendant:
 
   $ hg rebase -s 5 -d 6
   abort: source is ancestor of destination
   [255]
 
 G onto B - merge revision with both parents not in ancestors of target:
 
   $ hg rebase -s 6 -d 1
   abort: cannot use revision 6 as base, result would have 3 parents
   [255]
 
 
 These will abort gracefully (using --base):
 
 G onto G - rebase onto same changeset:
 
   $ hg rebase -b 6 -d 6
   nothing to rebase
   [1]
 
 G onto F - rebase onto an ancestor:
 
   $ hg rebase -b 6 -d 5
   nothing to rebase
   [1]
 
 F onto G - rebase onto a descendant:
 
   $ hg rebase -b 5 -d 6
   nothing to rebase
   [1]
 
 C onto A - rebase onto an ancestor:
 
   $ hg rebase -d 0 -s 2
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/5fddd98957c8-backup.hg (glob)
   $ hg tglog
   @  7: 'D'
   |
   o  6: 'C'
   |
   | o  5: 'H'
   | |
   | | o  4: 'G'
   | |/|
   | o |  3: 'F'
   |/ /
   | o  2: 'E'
   |/
   | o  1: 'B'
   |/
   o  0: 'A'
   
 
 Check rebasing public changeset
 
   $ hg pull --config phases.publish=True -q -r 6 . # update phase of 6
   $ hg rebase -d 5 -b 6
   abort: can't rebase immutable changeset e1c4361dd923
   (see hg help phases for details)
   [255]
 
   $ hg rebase -d 5 -b 6 --keep
 
 Check rebasing mutable changeset
 Source phase greater or equal to destination phase: new changeset get the phase of source:
   $ hg rebase -s9 -d0
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/2b23e52411f4-backup.hg (glob)
   $ hg log --template "{phase}\n" -r 9
   draft
   $ hg rebase -s9 -d1
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/2cb10d0cfc6c-backup.hg (glob)
   $ hg log --template "{phase}\n" -r 9
   draft
   $ hg phase --force --secret 9
   $ hg rebase -s9 -d0
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/c5b12b67163a-backup.hg (glob)
   $ hg log --template "{phase}\n" -r 9
   secret
   $ hg rebase -s9 -d1
   saved backup bundle to $TESTTMP/a7/.hg/strip-backup/2a0524f868ac-backup.hg (glob)
   $ hg log --template "{phase}\n" -r 9
   secret
 Source phase lower than destination phase: new changeset get the phase of destination:
-  $ hg rebase -s7 -d9
-  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/c9659aac0000-backup.hg (glob)
-  $ hg log --template "{phase}\n" -r 9
+  $ hg rebase -s8 -d9
+  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/6d4f22462821-backup.hg
+  $ hg log --template "{phase}\n" -r 'rev(9)'
   secret
 
   $ cd ..
 
 Test for revset
 
 We need a bit different graph
 All destination are B
 
   $ hg init ah
   $ cd ah
   $ hg unbundle "$TESTDIR/bundles/rebase-revset.hg"
   adding changesets
   adding manifests
   adding file changes
   added 9 changesets with 9 changes to 9 files (+2 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg tglog
   o  8: 'I'
   |
   o  7: 'H'
   |
   o  6: 'G'
   |
   | o  5: 'F'
   | |
   | o  4: 'E'
   |/
   o  3: 'D'
   |
   o  2: 'C'
   |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 Simple case with keep:
 
 Source on have two descendant heads but ask for one
 
   $ hg clone -q -u . ah ah1
   $ cd ah1
   $ hg rebase -r '2::8' -d 1
   abort: can't remove original changesets with unrebased descendants
   (use --keep to keep original changesets)
   [255]
   $ hg rebase -r '2::8' -d 1 --keep
   $ hg tglog
   @  13: 'I'
   |
   o  12: 'H'
   |
   o  11: 'G'
   |
   o  10: 'D'
   |
   o  9: 'C'
   |
   | o  8: 'I'
   | |
   | o  7: 'H'
   | |
   | o  6: 'G'
   | |
   | | o  5: 'F'
   | | |
   | | o  4: 'E'
   | |/
   | o  3: 'D'
   | |
   | o  2: 'C'
   | |
   o |  1: 'B'
   |/
   o  0: 'A'
   
 
   $ cd ..
 
 Base on have one descendant heads we ask for but common ancestor have two
 
   $ hg clone -q -u . ah ah2
   $ cd ah2
   $ hg rebase -r '3::8' -d 1
   abort: can't remove original changesets with unrebased descendants
   (use --keep to keep original changesets)
   [255]
   $ hg rebase -r '3::8' -d 1 --keep
   $ hg tglog
   @  12: 'I'
   |
   o  11: 'H'
   |
   o  10: 'G'
   |
-  o    9: 'D'
-  |\
-  | | o  8: 'I'
-  | | |
-  | | o  7: 'H'
+  o  9: 'D'
+  |
+  | o  8: 'I'
+  | |
+  | o  7: 'H'
+  | |
+  | o  6: 'G'
+  | |
+  | | o  5: 'F'
   | | |
-  | | o  6: 'G'
-  | | |
-  | | | o  5: 'F'
-  | | | |
-  | | | o  4: 'E'
-  | | |/
-  | | o  3: 'D'
+  | | o  4: 'E'
   | |/
+  | o  3: 'D'
+  | |
   | o  2: 'C'
   | |
   o |  1: 'B'
   |/
   o  0: 'A'
   
 
   $ cd ..
 
 rebase subset
 
   $ hg clone -q -u . ah ah3
   $ cd ah3
   $ hg rebase -r '3::7' -d 1
   abort: can't remove original changesets with unrebased descendants
   (use --keep to keep original changesets)
   [255]
   $ hg rebase -r '3::7' -d 1 --keep
   $ hg tglog
   @  11: 'H'
   |
   o  10: 'G'
   |
-  o    9: 'D'
-  |\
-  | | o  8: 'I'
-  | | |
-  | | o  7: 'H'
+  o  9: 'D'
+  |
+  | o  8: 'I'
+  | |
+  | o  7: 'H'
+  | |
+  | o  6: 'G'
+  | |
+  | | o  5: 'F'
   | | |
-  | | o  6: 'G'
-  | | |
-  | | | o  5: 'F'
-  | | | |
-  | | | o  4: 'E'
-  | | |/
-  | | o  3: 'D'
+  | | o  4: 'E'
   | |/
+  | o  3: 'D'
+  | |
   | o  2: 'C'
   | |
   o |  1: 'B'
   |/
   o  0: 'A'
   
 
   $ cd ..
 
 rebase subset with multiple head
 
   $ hg clone -q -u . ah ah4
   $ cd ah4
   $ hg rebase -r '3::(7+5)' -d 1
   abort: can't remove original changesets with unrebased descendants
   (use --keep to keep original changesets)
   [255]
   $ hg rebase -r '3::(7+5)' -d 1 --keep
   $ hg tglog
   @  13: 'H'
   |
   o  12: 'G'
   |
   | o  11: 'F'
   | |
   | o  10: 'E'
   |/
-  o    9: 'D'
-  |\
-  | | o  8: 'I'
-  | | |
-  | | o  7: 'H'
+  o  9: 'D'
+  |
+  | o  8: 'I'
+  | |
+  | o  7: 'H'
+  | |
+  | o  6: 'G'
+  | |
+  | | o  5: 'F'
   | | |
-  | | o  6: 'G'
-  | | |
-  | | | o  5: 'F'
-  | | | |
-  | | | o  4: 'E'
-  | | |/
-  | | o  3: 'D'
+  | | o  4: 'E'
   | |/
+  | o  3: 'D'
+  | |
   | o  2: 'C'
   | |
   o |  1: 'B'
   |/
   o  0: 'A'
   
 
   $ cd ..
 
 More advanced tests
 
 rebase on ancestor with revset
 
   $ hg clone -q -u . ah ah5
   $ cd ah5
   $ hg rebase -r '6::' -d 2
   saved backup bundle to $TESTTMP/ah5/.hg/strip-backup/3d8a618087a7-backup.hg (glob)
   $ hg tglog
   @  8: 'I'
   |
   o  7: 'H'
   |
   o  6: 'G'
   |
   | o  5: 'F'
   | |
   | o  4: 'E'
   | |
   | o  3: 'D'
   |/
   o  2: 'C'
   |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 
 rebase with multiple root.
 We rebase E and G on B
 We would expect heads are I, F if it was supported
 
   $ hg clone -q -u . ah ah6
   $ cd ah6
   $ hg rebase -r '(4+6)::' -d 1
   abort: can't rebase multiple roots
   [255]
   $ cd ..