# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1438981159 25200
# Node ID bc4c7b1bb793aa497505d0397d86a1c5857a1ea1
# Parent  9603aa1ecdfd54b0d86e262318a72e0a2ffeb6cc# Parent  72eab894a89d636429f7487a9a6853237cb11bbd
merge with stable

diff -r 72eab894a89d -r bc4c7b1bb793 README
--- a/README	Fri Aug 07 11:39:51 2015 -0700
+++ b/README	Fri Aug 07 13:59:19 2015 -0700
@@ -51,6 +51,10 @@
 Changelog
 =========
 
+5.2.0 --
+
+- split: add a new command to split changesets
+
 5.2.0 -- 2015-06-25
 
 - evolve: gain a --rev option to control what revisions to evolve (issue4391)
diff -r 72eab894a89d -r bc4c7b1bb793 hgext/evolve.py
--- a/hgext/evolve.py	Fri Aug 07 11:39:51 2015 -0700
+++ b/hgext/evolve.py	Fri Aug 07 13:59:19 2015 -0700
@@ -2137,6 +2137,8 @@
      ('r', 'rev', [], _("revisions to prune")),
      ('k', 'keep', None, _("does not modify working copy during prune")),
      ('', 'biject', False, _("do a 1-1 map between rev and successor ranges")),
+     ('', 'fold', False, _("record a fold (multiple precursors, one successors)")),
+     ('', 'split', False, _("record a split (on precursor, multiple successors)")),
      ('B', 'bookmark', '', _("remove revs only reachable from given"
                              " bookmark"))] + metadataopts,
     _('[OPTION] [-r] REV...'))
@@ -2159,12 +2161,22 @@
     revisions to prune and successor changesets. This option may be removed in
     a future release (with the functionality absorbed automatically).
 
+    If you specify multiple revisions in --succ, you are recording a "split"
+    and have to acknowledge it by usng --split. The same logic apply when you
+    prune multiple changesets with a single successors, this will record a
+    "fold" requires a --fold flag.
     """
     revs = scmutil.revrange(repo, list(revs) + opts.get('rev'))
     succs = opts['new'] + opts['succ']
     bookmark = opts.get('bookmark')
     metadata = _getmetadata(**opts)
     biject = opts.get('biject')
+    fold = opts.get('fold')
+    split = opts.get('split')
+
+    options = [o for o in ('biject', 'fold', 'split') if opts.get(o)]
+    if 1 < len(options):
+        raise util.Abort(_("can only specify one of %s") % ', '.join(options))
 
     if bookmark:
         marks,revs = _reachablefrombookmark(repo, revs, bookmark)
@@ -2204,15 +2216,20 @@
         if not biject and len(sucs) > 1 and len(precs) > 1:
             msg = "Can't use multiple successors for multiple precursors"
             raise util.Abort(msg)
-
-        if biject and len(sucs) != len(precs):
+        elif biject and len(sucs) != len(precs):
             msg = "Can't use %d successors for %d precursors" \
                 % (len(sucs), len(precs))
             raise util.Abort(msg)
-
-        relations = [(p, sucs) for p in precs]
-        if biject:
+        elif (len(precs) == 1 and len(sucs) > 1) and not split:
+            msg = "please add --split if you want to do a split"
+            raise util.Abort(msg)
+        elif len(sucs) == 1 and len(precs) > 1 and not fold:
+            msg = "please add --fold if you want to do a fold"
+            raise util.Abort(msg)
+        elif biject:
             relations = [(p, (s,)) for p, s in zip(precs, sucs)]
+        else:
+            relations = [(p, sucs) for p in precs]
 
         wdp = repo['.']
 
@@ -2537,6 +2554,76 @@
     finally:
         lockmod.release(lock, wlock)
 
+@command('^split',
+    [('r', 'rev', [], _("revision to fold")),
+    ] + commitopts + commitopts2,
+    _('hg split [OPTION]... [-r] REV'))
+def cmdsplit(ui, repo, *revs, **opts):
+    """Split the current commit using interactive selection
+
+    By default, split the current revision by prompting for all its hunk to be
+    redistributed into new changesets.
+
+    Use --rev for splitting a given changeset instead.
+    """
+    tr = wlock = lock = None
+    newcommits = []
+
+    revopt = opts.get('rev')
+    if revopt:
+        revs = scmutil.revrange(repo, revopt)
+        if len(revs) != 1:
+            raise util.Abort(_("you can only specify one revision to split"))
+        else:
+            rev = list(revs)[0]
+            commands.update(ui, repo, rev)
+    else:
+        rev = '.'
+
+    try:
+        wlock = repo.wlock()
+        lock = repo.lock()
+        cmdutil.bailifchanged(repo)
+        tr = repo.transaction('split')
+        ctx = repo[rev]
+        r = ctx.rev()
+        disallowunstable = not obsolete.isenabled(repo,
+                                                  obsolete.allowunstableopt)
+        if disallowunstable:
+            # XXX We should check head revs
+            if repo.revs("(%d::) - %d", rev, rev):
+                raise util.Abort(_("cannot split commit: %s not a head" % ctx))
+
+        if len(ctx.parents()) > 1:
+            raise util.Abort(_("cannot split merge commits"))
+        prev = ctx.p1()
+        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
+        while haschanges():
+            pats = ()
+            cmdutil.dorecord(ui, repo, commands.commit, 'commit', False,
+                             cmdutil.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':
+                    commands.commit(ui, repo, **opts)
+                    newcommits.append(repo['.'])
+                    break
+            else:
+                ui.status("no more change to split\n")
+
+        obsolete.createmarkers(repo, [(repo[r], newcommits)])
+        tr.close()
+    finally:
+        lockmod.release(tr, lock, wlock)
+
+
 @eh.wrapcommand('strip', extension='strip', opts=[
     ('', 'bundle', None, _("delete the commit entirely and move it to a "
         "backup bundle")),
diff -r 72eab894a89d -r bc4c7b1bb793 hgext/inhibit.py
--- a/hgext/inhibit.py	Fri Aug 07 11:39:51 2015 -0700
+++ b/hgext/inhibit.py	Fri Aug 07 13:59:19 2015 -0700
@@ -196,8 +196,11 @@
     try:
         extensions.find('directaccess')
     except KeyError:
-        errormsg = _('Cannot use inhibit without the direct access extension')
-        raise error.Abort(errormsg)
+        errormsg = _('cannot use inhibit without the direct access extension\n')
+        hint = _("(please enable it or inhibit won\'t work)\n")
+        ui.warn(errormsg)
+        ui.warn(hint)
+        return
 
     # Wrapping this to inhibit obsolete revs resulting from a transaction
     extensions.wrapfunction(localrepo.localrepository,
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-amend.t
--- a/tests/test-amend.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-amend.t	Fri Aug 07 13:59:19 2015 -0700
@@ -115,6 +115,7 @@
   branch: foo
   commit: 1 unknown (clean)
   update: (current)
+  phases: 3 draft
 
 Check the help
   $ hg amend -h
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-corrupt.t
--- a/tests/test-corrupt.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-corrupt.t	Fri Aug 07 13:59:19 2015 -0700
@@ -101,7 +101,7 @@
      summary:     add A
   
 
-  $ hg kill -n -1 -- -2 -3
+  $ hg kill --fold -n -1 -- -2 -3
   2 changesets pruned
   $ hg push ../other
   pushing to ../other
@@ -110,8 +110,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 2 changes to 2 files
-  pushing 2 obsolescence markers (*) (glob)
-  2 obsolescence markers added
+  2 new obsolescence markers
   $ hg -R ../other verify
   checking changesets
   checking manifests
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-evolve-bumped.t
--- a/tests/test-evolve-bumped.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-evolve-bumped.t	Fri Aug 07 13:59:19 2015 -0700
@@ -49,7 +49,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
   (run 'hg update' to get a working copy)
   $ hg log -r 'draft()'
   1:4d1169d82e47@default(draft) modify a
@@ -68,7 +67,6 @@
   pulling from ../public
   searching for changes
   no changes found
-  pull obsolescence markers
   1 new bumped changesets
 
   $ hg evolve -a -A --bumped
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-evolve-split.t
--- a/tests/test-evolve-split.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-evolve-split.t	Fri Aug 07 13:59:19 2015 -0700
@@ -43,7 +43,7 @@
   $ printf "pp" > pp;
   $ hg add pp
   $ hg commit -m "_pp"
-  $ hg prune --succ "desc(_oo) + desc(_pp)" -r "desc('oo+pp')"
+  $ hg prune --succ "desc(_oo) + desc(_pp)" -r "desc('oo+pp')" --split
   1 changesets pruned
   1 new unstable changesets
   $ hg log -G
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-evolve.t
--- a/tests/test-evolve.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-evolve.t	Fri Aug 07 13:59:19 2015 -0700
@@ -474,7 +474,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
   $ cd alpha
 
   $ cat << EOF > A
@@ -531,8 +530,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
-  2 obsolescence markers added
+  2 new obsolescence markers
   (run 'hg update' to get a working copy)
   $ hg up
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
@@ -1374,7 +1372,7 @@
   $ printf "pp" > pp;
   $ hg add pp
   $ hg commit -m "_pp"
-  $ hg prune --succ "desc(_oo) + desc(_pp)" -r "desc('oo+pp')"
+  $ hg prune --succ "desc(_oo) + desc(_pp)" -r "desc('oo+pp')" --split
   1 changesets pruned
   1 new unstable changesets
   $ glog -r "18::"
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-inhibit.t
--- a/tests/test-inhibit.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-inhibit.t	Fri Aug 07 13:59:19 2015 -0700
@@ -133,6 +133,7 @@
   branch: default
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
+  phases: 6 draft
 
 check public revision got cleared
 (when adding the second inhibitor, the first one is removed because it is public)
@@ -352,7 +353,8 @@
   +cD
 
   $ hg export 1 3
-  abort: filtered revision '1' (not in 'visible-directaccess-nowarn' subset)!
+  abort: hidden revision '1'!
+  (use --hidden to access hidden revisions)
   [255]
 
 
@@ -397,7 +399,8 @@
   o  0:54ccbc537fc2 add cA
   
   $ hg rebase -s 10 -d 3 
-  abort: filtered revision '3' (not in 'visible-directaccess-warn' subset)!
+  abort: hidden revision '3'!
+  (use --hidden to access hidden revisions)
   [255]
   $ hg rebase -r ad78ff7d621f -r 53a94305e133 -d  2db36d8066ff
   Warning: accessing hidden changesets 2db36d8066ff for write operation
@@ -722,9 +725,10 @@
   > directaccess=!
   > testextension=!
   > EOF
-  $ hg up 15
-  abort: Cannot use inhibit without the direct access extension
-  [255]
+  $ hg up .
+  cannot use inhibit without the direct access extension
+  (please enable it or inhibit won't work)
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo "directaccess=$(echo $(dirname $TESTDIR))/hgext/directaccess.py" >> $HGRCPATH
   $ cd ..
 
@@ -758,5 +762,4 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pushing 33 obsolescence markers (*) (glob)
-  2 obsolescence markers added
+  2 new obsolescence markers
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-obsolete.t
--- a/tests/test-obsolete.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-obsolete.t	Fri Aug 07 13:59:19 2015 -0700
@@ -184,8 +184,7 @@
   adding manifests
   adding file changes
   added 5 changesets with 5 changes to 5 files (+1 heads)
-  pushing 2 obsolescence markers (*) (glob)
-  2 obsolescence markers added
+  2 new obsolescence markers
   $ hg -R ../other-new verify
   checking changesets
   checking manifests
@@ -239,8 +238,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 3 obsolescence markers (*) (glob)
-  1 obsolescence markers added
+  1 new obsolescence markers
   $ qlog -R ../other-new
   5
   - 95de7fc6918d
@@ -262,8 +260,6 @@
   pushing to ../other-new
   searching for changes
   no changes found
-  pushing 3 obsolescence markers (*) (glob)
-  0 obsolescence markers added
   [1]
 
   $ hg up --hidden -q .^ # 3
@@ -279,9 +275,8 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to [12] files \(\+1 heads\) (re)
-  pull obsolescence markers
-  1 obsolescence markers added
-  (run 'hg heads' to see heads, 'hg merge' to merge)
+  1 new obsolescence markers
+  (run 'hg heads .' to see heads, 'hg merge' to merge)
   $ qlog -R ../other-new
   6
   - 909a0fb57e5d
@@ -370,9 +365,8 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to [12] files \(\+1 heads\) (re)
-  pull obsolescence markers
-  1 obsolescence markers added
-  (run 'hg heads' to see heads, 'hg merge' to merge)
+  1 new obsolescence markers
+  (run 'hg heads .' to see heads, 'hg merge' to merge)
 
   $ hg up -q 7 # to check rollback update behavior
   $ qlog
@@ -395,6 +389,7 @@
   branch: default
   commit: 1 deleted, 2 unknown (clean)
   update: 2 new changesets, 2 branch heads (merge)
+  phases: 4 draft
   unstable: 1 changesets
   $ qlog
   6
@@ -544,8 +539,7 @@
   adding manifests
   adding file changes
   added 2 changesets with 1 changes to [12] files (re)
-  pushing 7 obsolescence markers (*) (glob)
-  3 obsolescence markers added
+  3 new obsolescence markers
   $ hg up -q 10
   $ mkcommit "obsol_d'''"
   created new head
@@ -557,8 +551,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 8 obsolescence markers (*) (glob)
-  1 obsolescence markers added
+  1 new obsolescence markers
   $ cd ..
 
 check bumped detection
@@ -670,6 +663,7 @@
   branch: default
   commit: (clean)
   update: (2|9|11) new changesets, (3|9|10) branch heads \(merge\) (re)
+  phases: 3 draft
   bumped: 1 changesets
   $ hg debugobsolete `getid a7a6f2b5d8a5` `getid 50f11e5e3a63`
   $ hg log -r 'divergent()'
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-prune.t
--- a/tests/test-prune.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-prune.t	Fri Aug 07 13:59:19 2015 -0700
@@ -32,6 +32,19 @@
   o  0:1f0dee641bb7[] (stable/public) add a
   
 
+Check arguments exclusive to each other
+---------------------------------------
+
+  $ hg prune --fold --biject
+  abort: can only specify one of biject, fold
+  [255]
+  $ hg prune --split --fold
+  abort: can only specify one of fold, split
+  [255]
+  $ hg prune --split --fold --biject
+  abort: can only specify one of biject, fold, split
+  [255]
+
 Check simple case
 ----------------------------
 
@@ -150,6 +163,9 @@
 one old, two new
 
   $ hg prune 'desc("add dd")' -s 'desc("add nD")' -s 'desc("add nC")'
+  abort: please add --split if you want to do a split
+  [255]
+  $ hg prune 'desc("add dd")' -s 'desc("add nD")' -s 'desc("add nC")' --split
   1 changesets pruned
   $ hg debugobsolete
   9d206ffc875e1bc304590549be293be36821e66c 0 {47d2a3944de8b013de3be9578e8e344ea2e6c097} (Sat Dec 15 00:00:00 1979 +0000) {'user': 'blah'}
@@ -190,6 +206,9 @@
 two old, one new:
 
   $ hg prune 'desc("add cc")' 'desc("add bb")' -s 'desc("add nB")'
+  abort: please add --fold if you want to do a fold
+  [255]
+  $ hg prune 'desc("add cc")' 'desc("add bb")' -s 'desc("add nB")' --fold
   2 changesets pruned
   $ hg debugobsolete
   9d206ffc875e1bc304590549be293be36821e66c 0 {47d2a3944de8b013de3be9578e8e344ea2e6c097} (Sat Dec 15 00:00:00 1979 +0000) {'user': 'blah'}
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-sharing.t
--- a/tests/test-sharing.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-sharing.t	Fri Aug 07 13:59:19 2015 -0700
@@ -46,7 +46,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 Let's commit a preliminary change and push it to ``test-repo`` for
@@ -88,8 +87,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pull obsolescence markers
-  2 obsolescence markers added
+  2 new obsolescence markers
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 Figure SG03
@@ -140,8 +138,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pushing 4 obsolescence markers (*) (glob)
-  4 obsolescence markers added
+  4 new obsolescence markers
 
 Now that the fix is public, we cannot amend it any more.
   $ hg amend -m 'fix bug 37'
@@ -161,8 +158,6 @@
   pushing to ../dev-repo
   searching for changes
   no changes found
-  pushing 4 obsolescence markers (*) (glob)
-  0 obsolescence markers added
   [1]
   $ hg -R ../dev-repo shortlog -r 'draft()'
 
@@ -196,8 +191,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pushing 4 obsolescence markers (*) (glob)
-  0 obsolescence markers added
   exporting bookmark bug15
   $ hg -R ../review bookmarks
      bug15                     2:f91e97234c2b
@@ -213,8 +206,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 6 obsolescence markers (*) (glob)
-  2 obsolescence markers added
+  2 new obsolescence markers
   updating bookmark bug15
   $ hg -R ../review bookmarks
      bug15                     3:cbdfbd5a5db2
@@ -241,8 +233,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 4 obsolescence markers (*) (glob)
-  0 obsolescence markers added
   exporting bookmark featureX
   $ hg -R ../review bookmarks
      bug15                     3:cbdfbd5a5db2
@@ -259,8 +249,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 6 obsolescence markers (*) (glob)
-  2 obsolescence markers added
+  2 new obsolescence markers
   updating bookmark featureX
 
 Bob receives second review, amends, and pushes to public:
@@ -274,8 +263,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pushing 8 obsolescence markers (*) (glob)
-  4 obsolescence markers added
+  4 new obsolescence markers
   $ hg -R ../public bookmarks
   no bookmarks set
   $ hg push ../review
@@ -286,8 +274,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 8 obsolescence markers (*) (glob)
-  2 obsolescence markers added
+  2 new obsolescence markers
   updating bookmark featureX
   $ hg -R ../review bookmarks
      bug15                     3:cbdfbd5a5db2
@@ -357,8 +344,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pull obsolescence markers
-  4 obsolescence markers added
+  4 new obsolescence markers
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg log -G -q -r 'head()'
   o  5:540ba8f317e6
@@ -388,8 +374,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pushing 11 obsolescence markers (*) (glob)
-  3 obsolescence markers added
+  3 new obsolescence markers
   $ hg push ../review
   pushing to ../review
   searching for changes
@@ -397,8 +382,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 0 changes to 1 files
-  pushing 11 obsolescence markers (*) (glob)
-  1 obsolescence markers added
+  1 new obsolescence markers
   updating bookmark bug15
 
 Figure SG08: review and public changesets after Alice pushes.
@@ -460,8 +444,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
-  0 obsolescence markers added
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo 'better fix (alice)' >> file1
   $ hg amend -u alice -m 'fix bug 24 (v2 by alice)'
@@ -489,8 +471,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pull obsolescence markers
-  2 obsolescence markers added
+  2 new obsolescence markers
   (run 'hg heads' to see heads, 'hg merge' to merge)
   2 new divergent changesets
 
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-simple4server.t
--- a/tests/test-simple4server.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-simple4server.t	Fri Aug 07 13:59:19 2015 -0700
@@ -96,7 +96,7 @@
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 2 obsolescence markers (*) (glob)
+  pushing 2 obsolescence markers (* bytes) (glob)
   $ cat ../errors.log
   $ hg push
   pushing to http://localhost:$HGPORT/
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-split.t
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-split.t	Fri Aug 07 13:59:19 2015 -0700
@@ -0,0 +1,193 @@
+test of the split command
+-----------------------
+
+  $ cat >> $HGRCPATH <<EOF
+  > [defaults]
+  > amend=-d "0 0"
+  > fold=-d "0 0"
+  > split=-d "0 0"
+  > amend=-d "0 0"
+  > [web]
+  > push_ssl = false
+  > allow_push = *
+  > [phases]
+  > publish = False
+  > [diff]
+  > git = 1
+  > unified = 0
+  > [ui]
+  > interactive = true
+  > [extensions]
+  > hgext.graphlog=
+  > EOF
+  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext/evolve.py" >> $HGRCPATH
+  $ mkcommit() {
+  >    echo "$1" > "$1"
+  >    hg add "$1"
+  >    hg ci -m "add $1"
+  > }
+
+
+Basic case, split a head
+  $ hg init testsplit
+  $ cd testsplit
+  $ mkcommit _a
+  $ mkcommit _b
+  $ mkcommit _c
+  $ mkcommit _d
+  $ echo "change to a" >> _a
+  $ hg amend
+  $ hg debugobsolete
+  9e84a109b8eb081ad754681ee4b1380d17a3741f aa8f656bb307022172d2648be6fb65322f801225 0 (*) {'user': 'test'} (glob)
+  f002b57772d7f09b180c407213ae16d92996a988 0 {9e84a109b8eb081ad754681ee4b1380d17a3741f} (*) {'user': 'test'} (glob)
+
+To create commits with the number of split
+  $ export NUM=0
+  $ export HGEDITOR="NUM=$((NUM+1)); echo split$NUM > $1"
+  $ hg split << EOF
+  > y
+  > y
+  > y
+  > n
+  > N
+  > y
+  > y
+  > EOF
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  reverting _a
+  adding _d
+  diff --git a/_a b/_a
+  1 hunks, 1 lines changed
+  examine changes to '_a'? [Ynesfdaq?] y
+  
+  @@ -1,0 +2,1 @@
+  +change to a
+  record change 1/2 to '_a'? [Ynesfdaq?] y
+  
+  diff --git a/_d b/_d
+  new file mode 100644
+  examine changes to '_d'? [Ynesfdaq?] y
+  
+  @@ -0,0 +1,1 @@
+  +_d
+  record change 2/2 to '_d'? [Ynesfdaq?] n
+  
+  created new head
+  Done splitting? [yN] N
+  diff --git a/_d b/_d
+  new file mode 100644
+  examine changes to '_d'? [Ynesfdaq?] y
+  
+  @@ -0,0 +1,1 @@
+  +_d
+  record this change to '_d'? [Ynesfdaq?] y
+  
+  no more change to split
+
+  $ hg debugobsolete
+  9e84a109b8eb081ad754681ee4b1380d17a3741f aa8f656bb307022172d2648be6fb65322f801225 0 (*) {'user': 'test'} (glob)
+  f002b57772d7f09b180c407213ae16d92996a988 0 {9e84a109b8eb081ad754681ee4b1380d17a3741f} (*) {'user': 'test'} (glob)
+  aa8f656bb307022172d2648be6fb65322f801225 8a76f55839e6badd47ed8338803d8bc16f578d68 1e105584671a463974ee2122f95979ce5e507f1a 0 (*) {'user': 'test'} (glob)
+
+Cannot split a commit with uncommited changes
+  $ hg up "desc(_c)"
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ echo "_cd" > _c
+  $ hg split 
+  abort: uncommitted changes
+  [255]
+
+Split a revision specified with -r
+  $ hg up "desc(_c)" -C
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ echo "change to b" >> _b
+  $ hg amend -m "_cprim"
+  2 new unstable changesets
+  $ hg evolve --all
+  move:[6] split0
+  atop:[9] _cprim
+  move:[7] split0
+  atop:[10] split0
+  working directory is now at * (glob)
+  $ hg log -r "desc(_cprim)" -v -p
+  changeset:   9:719157b217ac
+  parent:      1:37445b16603b
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  files:       _b _c
+  description:
+  _cprim
+  
+  
+  diff --git a/_b b/_b
+  --- a/_b
+  +++ b/_b
+  @@ -1,0 +2,1 @@
+  +change to b
+  diff --git a/_c b/_c
+  new file mode 100644
+  --- /dev/null
+  +++ b/_c
+  @@ -0,0 +1,1 @@
+  +_c
+  
+  $ hg split -r "desc(_cprim)" <<EOF
+  > y
+  > y
+  > y
+  > n
+  > y
+  > EOF
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  reverting _b
+  adding _c
+  diff --git a/_b b/_b
+  1 hunks, 1 lines changed
+  examine changes to '_b'? [Ynesfdaq?] y
+  
+  @@ -1,0 +2,1 @@
+  +change to b
+  record change 1/2 to '_b'? [Ynesfdaq?] y
+  
+  diff --git a/_c b/_c
+  new file mode 100644
+  examine changes to '_c'? [Ynesfdaq?] y
+  
+  @@ -0,0 +1,1 @@
+  +_c
+  record change 2/2 to '_c'? [Ynesfdaq?] n
+  
+  created new head
+  Done splitting? [yN] y
+
+Stop before splitting the commit completely creates a commit with all the
+remaining changes
+
+  $ hg debugobsolete
+  9e84a109b8eb081ad754681ee4b1380d17a3741f aa8f656bb307022172d2648be6fb65322f801225 0 (*) {'user': 'test'} (glob)
+  f002b57772d7f09b180c407213ae16d92996a988 0 {9e84a109b8eb081ad754681ee4b1380d17a3741f} (*) {'user': 'test'} (glob)
+  aa8f656bb307022172d2648be6fb65322f801225 8a76f55839e6badd47ed8338803d8bc16f578d68 1e105584671a463974ee2122f95979ce5e507f1a 0 (*) {'user': 'test'} (glob)
+  10200229058723ce8d67f6612c1f6b4f73b1fe73 719157b217acc43d397369a448824ed4c7a302f2 0 (*) {'user': 'test'} (glob)
+  5d0c8b0f2d3e5e1ff95f93d7da2ba06650605ab5 0 {10200229058723ce8d67f6612c1f6b4f73b1fe73} (*) {'user': 'test'} (glob)
+  8a76f55839e6badd47ed8338803d8bc16f578d68 0ea1d0d23e674ea8a6affe760741c82bb8e380f7 0 (*) {'user': 'test'} (glob)
+  1e105584671a463974ee2122f95979ce5e507f1a b6099ccb49cae181af7c59ed5603a1dfca632445 0 (*) {'user': 'test'} (glob)
+  719157b217acc43d397369a448824ed4c7a302f2 8eb71353cb2c70fc1154be3af79c0ce98898ae88 ead904640c8543606f72490c6ae10955fb11fff0 0 (*) {'user': 'test'} (glob)
+
+Cannot specify multiple revisions with -r
+  $ hg split -r "desc(_a)::"
+  abort: you can only specify one revision to split
+  [255]
+
+Cannot split a commit that is not a head if instability is not allowed
+  $ cat >> $HGRCPATH <<EOF
+  > [experimental]
+  > evolution=createmarkers
+  > evolutioncommands=split
+  > EOF
+  $ hg split -r "desc(_c)"
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  abort: cannot split commit: 719157b217ac not a head
+  [255]
+
+
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-stabilize-result.t
--- a/tests/test-stabilize-result.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-stabilize-result.t	Fri Aug 07 13:59:19 2015 -0700
@@ -307,6 +307,7 @@
   branch: default
   commit: (clean)
   update: 2 new changesets, 2 branch heads (merge)
+  phases: 3 draft
   $ hg export .
   # HG changeset patch
   # User test
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-tutorial.t
--- a/tests/test-tutorial.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-tutorial.t	Fri Aug 07 13:59:19 2015 -0700
@@ -224,7 +224,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pull obsolescence markers
   (run 'hg heads' to see heads, 'hg merge' to merge)
 
 I now have a new heads. Note that this remote head is immutable
@@ -406,8 +405,7 @@
   adding manifests
   adding file changes
   added 3 changesets with 3 changes to 1 files
-  pushing 6 obsolescence markers (*) (glob)
-  6 obsolescence markers added
+  6 new obsolescence markers
 
 for simplicity sake we get the bathroom change in line again
 
@@ -527,8 +525,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
-  1 obsolescence markers added
+  1 new obsolescence markers
   (run 'hg update' to get a working copy)
   $ hg log -G
   o  75954b8cd933 (public): bathroom stuff
@@ -585,8 +582,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
-  1 obsolescence markers added
+  1 new obsolescence markers
   (run 'hg update' to get a working copy)
   $ hg log -G
   o  75954b8cd933 (draft): bathroom stuff
@@ -646,8 +642,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  pull obsolescence markers
-  0 obsolescence markers added
   (run 'hg heads' to see heads, 'hg merge' to merge)
   1 new unstable changesets
 
@@ -737,8 +731,7 @@
   adding manifests
   adding file changes
   added 2 changesets with 2 changes to 1 files (+1 heads)
-  pushing 10 obsolescence markers (*) (glob)
-  3 obsolescence markers added
+  3 new obsolescence markers
 
 remote get a warning that current working directory is based on an obsolete changeset
 
@@ -747,8 +740,6 @@
   pulling from $TESTTMP/local (glob)
   searching for changes
   no changes found
-  pull obsolescence markers
-  0 obsolescence markers added
   working directory parent is obsolete!
   (use "hg evolve" to update to its successor)
 
@@ -781,8 +772,6 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
-  pull obsolescence markers
-  0 obsolescence markers added
   (run 'hg update' to get a working copy)
   $ hg log -G
   o  99f039c5ec9e (draft): SPAM SPAM SPAM
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-uncommit.t
--- a/tests/test-uncommit.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-uncommit.t	Fri Aug 07 13:59:19 2015 -0700
@@ -138,7 +138,6 @@
 
   $ hg branch foo
   marked working directory as branch foo
-  (branches are permanent and global, did you want a bookmark?)
   $ hg mv ff f
   $ hg mv h i
   $ hg rm j
diff -r 72eab894a89d -r bc4c7b1bb793 tests/test-wireproto-bundle1.t
--- a/tests/test-wireproto-bundle1.t	Fri Aug 07 11:39:51 2015 -0700
+++ b/tests/test-wireproto-bundle1.t	Fri Aug 07 13:59:19 2015 -0700
@@ -50,7 +50,6 @@
   adding manifests
   adding file changes
   added 2 changesets with 2 changes to 2 files
-  pull obsolescence markers
   (run 'hg update' to get a working copy)
   $ hg push -R ../other
   pushing to ssh://user@dummy/server
@@ -70,8 +69,7 @@
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files (+1 heads)
-  pushing 2 obsolescence markers (*) (glob)
-  remote: 2 obsolescence markers added
+  remote: 2 new obsolescence markers
   $ hg push
   pushing to ssh://user@dummy/server
   searching for changes
@@ -88,9 +86,8 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to [12] files \(\+1 heads\) (re)
-  pull obsolescence markers
-  2 obsolescence markers added
-  (run 'hg heads' to see heads)
+  2 new obsolescence markers
+  (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg -R ../other pull
   pulling from ssh://user@dummy/server
   searching for changes