==========================
Test rebase with obsolete
==========================
Enable obsolete
$ cat >> $HGRCPATH << EOF
> [ui]
> logtemplate= {rev}:{node|short} {desc|firstline}
> [experimental]
> evolution=createmarkers,allowunstable
> [phases]
> publish=False
> [extensions]
> rebase=
> EOF
Setup rebase canonical repo
$ hg init base
$ cd base
$ 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 log -G
@ 7:02de42196ebe H
|
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
| o 3:32af7686d403 D
| |
| o 2:5fddd98957c8 C
| |
| o 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ cd ..
simple rebase
---------------------------------
$ hg clone base simple
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd simple
$ hg up 32af7686d403
3 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ hg rebase -d eea13746799a
rebasing 1:42ccdea3bb16 "B"
rebasing 2:5fddd98957c8 "C"
rebasing 3:32af7686d403 "D"
$ hg log -G
@ 10:8eeb3c33ad33 D
|
o 9:2327fea05063 C
|
o 8:e4e5be0395b2 B
|
| o 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ hg log --hidden -G
@ 10:8eeb3c33ad33 D
|
o 9:2327fea05063 C
|
o 8:e4e5be0395b2 B
|
| o 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
| x 3:32af7686d403 D
| |
| x 2:5fddd98957c8 C
| |
| x 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 e4e5be0395b2cbd471ed22a26b1b6a1a0658a794 0 (*) {'user': 'test'} (glob)
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 2327fea05063f39961b14cb69435a9898dc9a245 0 (*) {'user': 'test'} (glob)
32af7686d403cf45b5d95f2d70cebea587ac806a 8eeb3c33ad33d452c89e5dcf611c347f978fb42b 0 (*) {'user': 'test'} (glob)
$ cd ..
empty changeset
---------------------------------
$ hg clone base empty
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd empty
$ hg up eea13746799a
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
We make a copy of both the first changeset in the rebased and some other in the
set.
$ hg graft 42ccdea3bb16 32af7686d403
grafting 1:42ccdea3bb16 "B"
grafting 3:32af7686d403 "D"
$ hg rebase -s 42ccdea3bb16 -d .
rebasing 1:42ccdea3bb16 "B"
note: rebase of 1:42ccdea3bb16 created no changes to commit
rebasing 2:5fddd98957c8 "C"
rebasing 3:32af7686d403 "D"
note: rebase of 3:32af7686d403 created no changes to commit
$ hg log -G
o 10:5ae4c968c6ac C
|
@ 9:08483444fef9 D
|
o 8:8877864f1edb B
|
| o 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ hg log --hidden -G
o 10:5ae4c968c6ac C
|
@ 9:08483444fef9 D
|
o 8:8877864f1edb B
|
| o 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
| x 3:32af7686d403 D
| |
| x 2:5fddd98957c8 C
| |
| x 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 0 {cd010b8cd998f3981a5a8115f94f8da4ab506089} (*) {'user': 'test'} (glob)
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 5ae4c968c6aca831df823664e706c9d4aa34473d 0 (*) {'user': 'test'} (glob)
32af7686d403cf45b5d95f2d70cebea587ac806a 0 {5fddd98957c8a54a4d436dfe1da9d87f21a1b97b} (*) {'user': 'test'} (glob)
More complex case were part of the rebase set were already rebased
$ hg rebase --rev 'desc(D)' --dest 'desc(H)'
rebasing 9:08483444fef9 "D"
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 0 {cd010b8cd998f3981a5a8115f94f8da4ab506089} (*) {'user': 'test'} (glob)
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 5ae4c968c6aca831df823664e706c9d4aa34473d 0 (*) {'user': 'test'} (glob)
32af7686d403cf45b5d95f2d70cebea587ac806a 0 {5fddd98957c8a54a4d436dfe1da9d87f21a1b97b} (*) {'user': 'test'} (glob)
08483444fef91d6224f6655ee586a65d263ad34c 4596109a6a4328c398bde3a4a3b6737cfade3003 0 (*) {'user': 'test'} (glob)
$ hg log -G
@ 11:4596109a6a43 D
|
| o 10:5ae4c968c6ac C
| |
| x 9:08483444fef9 D
| |
| o 8:8877864f1edb B
| |
o | 7:02de42196ebe H
| |
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ hg rebase --source 'desc(B)' --dest 'tip' --config experimental.rebaseskipobsolete=True
rebasing 8:8877864f1edb "B"
note: not rebasing 9:08483444fef9 "D", already in destination as 11:4596109a6a43 "D"
rebasing 10:5ae4c968c6ac "C"
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 0 {cd010b8cd998f3981a5a8115f94f8da4ab506089} (*) {'user': 'test'} (glob)
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 5ae4c968c6aca831df823664e706c9d4aa34473d 0 (*) {'user': 'test'} (glob)
32af7686d403cf45b5d95f2d70cebea587ac806a 0 {5fddd98957c8a54a4d436dfe1da9d87f21a1b97b} (*) {'user': 'test'} (glob)
08483444fef91d6224f6655ee586a65d263ad34c 4596109a6a4328c398bde3a4a3b6737cfade3003 0 (*) {'user': 'test'} (glob)
8877864f1edb05d0e07dc4ba77b67a80a7b86672 462a34d07e599b87ea08676a449373fe4e2e1347 0 (*) {'user': 'test'} (glob)
5ae4c968c6aca831df823664e706c9d4aa34473d 98f6af4ee9539e14da4465128f894c274900b6e5 0 (*) {'user': 'test'} (glob)
$ hg log --rev 'divergent()'
$ hg log -G
o 13:98f6af4ee953 C
|
o 12:462a34d07e59 B
|
@ 11:4596109a6a43 D
|
o 7:02de42196ebe H
|
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ hg log --style default --debug -r 4596109a6a4328c398bde3a4a3b6737cfade3003
changeset: 11:4596109a6a4328c398bde3a4a3b6737cfade3003
phase: draft
parent: 7:02de42196ebee42ef284b6780a87cdc96e8eaab6
parent: -1:0000000000000000000000000000000000000000
manifest: 11:a91006e3a02f1edf631f7018e6e5684cf27dd905
user: Nicolas Dumazet <nicdumz.commits@gmail.com>
date: Sat Apr 30 15:24:48 2011 +0200
files+: D
extra: branch=default
extra: rebase_source=08483444fef91d6224f6655ee586a65d263ad34c
extra: source=32af7686d403cf45b5d95f2d70cebea587ac806a
description:
D
$ hg up -qr 'desc(G)'
$ hg graft 4596109a6a4328c398bde3a4a3b6737cfade3003
grafting 11:4596109a6a43 "D"
$ hg up -qr 'desc(E)'
$ hg rebase -s tip -d .
rebasing 14:9e36056a46e3 "D" (tip)
$ hg log --style default --debug -r tip
changeset: 15:627d4614809036ba22b9e7cb31638ddc06ab99ab
tag: tip
phase: draft
parent: 4:9520eea781bcca16c1e15acc0ba14335a0e8e5ba
parent: -1:0000000000000000000000000000000000000000
manifest: 15:648e8ede73ae3e497d093d3a4c8fcc2daa864f42
user: Nicolas Dumazet <nicdumz.commits@gmail.com>
date: Sat Apr 30 15:24:48 2011 +0200
files+: D
extra: branch=default
extra: intermediate-source=4596109a6a4328c398bde3a4a3b6737cfade3003
extra: rebase_source=9e36056a46e37c9776168c7375734eebc70e294f
extra: source=32af7686d403cf45b5d95f2d70cebea587ac806a
description:
D
$ cd ..
collapse rebase
---------------------------------
$ hg clone base collapse
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd collapse
$ hg rebase -s 42ccdea3bb16 -d eea13746799a --collapse
rebasing 1:42ccdea3bb16 "B"
rebasing 2:5fddd98957c8 "C"
rebasing 3:32af7686d403 "D"
$ hg log -G
o 8:4dc2197e807b Collapsed revision
|
| @ 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ hg log --hidden -G
o 8:4dc2197e807b Collapsed revision
|
| @ 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
| x 3:32af7686d403 D
| |
| x 2:5fddd98957c8 C
| |
| x 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg id --debug -r tip
4dc2197e807bae9817f09905b50ab288be2dbbcf tip
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 4dc2197e807bae9817f09905b50ab288be2dbbcf 0 (*) {'user': 'test'} (glob)
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 4dc2197e807bae9817f09905b50ab288be2dbbcf 0 (*) {'user': 'test'} (glob)
32af7686d403cf45b5d95f2d70cebea587ac806a 4dc2197e807bae9817f09905b50ab288be2dbbcf 0 (*) {'user': 'test'} (glob)
$ cd ..
Rebase set has hidden descendants
---------------------------------
We rebase a changeset which has a hidden changeset. The hidden changeset must
not be rebased.
$ hg clone base hidden
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd hidden
$ hg rebase -s 5fddd98957c8 -d eea13746799a
rebasing 2:5fddd98957c8 "C"
rebasing 3:32af7686d403 "D"
$ hg rebase -s 42ccdea3bb16 -d 02de42196ebe
rebasing 1:42ccdea3bb16 "B"
$ hg log -G
o 10:7c6027df6a99 B
|
| o 9:cf44d2f5a9f4 D
| |
| o 8:e273c5e7d2d2 C
| |
@ | 7:02de42196ebe H
| |
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ hg log --hidden -G
o 10:7c6027df6a99 B
|
| o 9:cf44d2f5a9f4 D
| |
| o 8:e273c5e7d2d2 C
| |
@ | 7:02de42196ebe H
| |
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
| x 3:32af7686d403 D
| |
| x 2:5fddd98957c8 C
| |
| x 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg debugobsolete
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b e273c5e7d2d29df783dce9f9eaa3ac4adc69c15d 0 (*) {'user': 'test'} (glob)
32af7686d403cf45b5d95f2d70cebea587ac806a cf44d2f5a9f4297a62be94cbdd3dff7c7dc54258 0 (*) {'user': 'test'} (glob)
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 7c6027df6a99d93f461868e5433f63bde20b6dfb 0 (*) {'user': 'test'} (glob)
Test that rewriting leaving instability behind is allowed
---------------------------------------------------------------------
$ hg log -r 'children(8)'
9:cf44d2f5a9f4 D (no-eol)
$ hg rebase -r 8
rebasing 8:e273c5e7d2d2 "C"
$ hg log -G
o 11:0d8f238b634c C
|
o 10:7c6027df6a99 B
|
| o 9:cf44d2f5a9f4 D
| |
| x 8:e273c5e7d2d2 C
| |
@ | 7:02de42196ebe H
| |
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
Test multiple root handling
------------------------------------
$ hg rebase --dest 4 --rev '7+11+9'
rebasing 7:02de42196ebe "H"
rebasing 9:cf44d2f5a9f4 "D"
not rebasing ignored 10:7c6027df6a99 "B"
rebasing 11:0d8f238b634c "C" (tip)
$ hg log -G
o 14:1e8370e38cca C
|
| o 13:102b4c1d889b D
| |
@ | 12:bfe264faf697 H
|/
| o 10:7c6027df6a99 B
| |
| x 7:02de42196ebe H
| |
+---o 6:eea13746799a G
| |/
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ cd ..
test on rebase dropping a merge
(setup)
$ hg init dropmerge
$ cd dropmerge
$ 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 3
4 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg merge 7
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m 'M'
$ echo I > I
$ hg add I
$ hg ci -m I
$ hg log -G
@ 9:4bde274eefcf I
|
o 8:53a6a128b2b7 M
|\
| o 7:02de42196ebe H
| |
| | o 6:eea13746799a G
| |/|
| o | 5:24b6387c8c8c F
| | |
| | o 4:9520eea781bc E
| |/
o | 3:32af7686d403 D
| |
o | 2:5fddd98957c8 C
| |
o | 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
(actual test)
$ hg rebase --dest 6 --rev '((desc(H) + desc(D))::) - desc(M)'
rebasing 3:32af7686d403 "D"
rebasing 7:02de42196ebe "H"
not rebasing ignored 8:53a6a128b2b7 "M"
rebasing 9:4bde274eefcf "I" (tip)
$ hg log -G
@ 12:acd174b7ab39 I
|
o 11:6c11a6218c97 H
|
| o 10:b5313c85b22e D
|/
| o 8:53a6a128b2b7 M
| |\
| | x 7:02de42196ebe H
| | |
o---+ 6:eea13746799a G
| | |
| | o 5:24b6387c8c8c F
| | |
o---+ 4:9520eea781bc E
/ /
x | 3:32af7686d403 D
| |
o | 2:5fddd98957c8 C
| |
o | 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
Test hidden changesets in the rebase set (issue4504)
$ hg up --hidden 9
3 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo J > J
$ hg add J
$ hg commit -m J
$ hg debugobsolete `hg log --rev . -T '{node}'`
$ hg rebase --rev .~1::. --dest 'max(desc(D))' --traceback
rebasing 9:4bde274eefcf "I"
rebasing 13:06edfc82198f "J" (tip)
$ hg log -G
@ 15:5ae8a643467b J
|
o 14:9ad579b4a5de I
|
| o 12:acd174b7ab39 I
| |
| o 11:6c11a6218c97 H
| |
o | 10:b5313c85b22e D
|/
| o 8:53a6a128b2b7 M
| |\
| | x 7:02de42196ebe H
| | |
o---+ 6:eea13746799a G
| | |
| | o 5:24b6387c8c8c F
| | |
o---+ 4:9520eea781bc E
/ /
x | 3:32af7686d403 D
| |
o | 2:5fddd98957c8 C
| |
o | 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg up 14 -C
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "K" > K
$ hg add K
$ hg commit --amend -m "K"
$ echo "L" > L
$ hg add L
$ hg commit -m "L"
$ hg up '.^'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "M" > M
$ hg add M
$ hg commit --amend -m "M"
$ hg log -G
@ 20:bfaedf8eb73b M
|
| o 18:97219452e4bd L
| |
| x 17:fc37a630c901 K
|/
| o 15:5ae8a643467b J
| |
| x 14:9ad579b4a5de I
|/
| o 12:acd174b7ab39 I
| |
| o 11:6c11a6218c97 H
| |
o | 10:b5313c85b22e D
|/
| o 8:53a6a128b2b7 M
| |\
| | x 7:02de42196ebe H
| | |
o---+ 6:eea13746799a G
| | |
| | o 5:24b6387c8c8c F
| | |
o---+ 4:9520eea781bc E
/ /
x | 3:32af7686d403 D
| |
o | 2:5fddd98957c8 C
| |
o | 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg rebase -s 14 -d 18 --config experimental.rebaseskipobsolete=True
note: not rebasing 14:9ad579b4a5de "I", already in destination as 17:fc37a630c901 "K"
rebasing 15:5ae8a643467b "J"
$ cd ..
Skip obsolete changeset even with multiple hops
-----------------------------------------------
setup
$ hg init obsskip
$ cd obsskip
$ cat << EOF >> .hg/hgrc
> [experimental]
> rebaseskipobsolete = True
> [extensions]
> strip =
> EOF
$ echo A > A
$ hg add A
$ hg commit -m A
$ echo B > B
$ hg add B
$ hg commit -m B0
$ hg commit --amend -m B1
$ hg commit --amend -m B2
$ hg up --hidden 'desc(B0)'
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo C > C
$ hg add C
$ hg commit -m C
Rebase finds its way in a chain of marker
$ hg rebase -d 'desc(B2)'
note: not rebasing 1:a8b11f55fb19 "B0", already in destination as 3:261e70097290 "B2"
rebasing 4:212cb178bcbb "C" (tip)
Even when the chain include missing node
$ hg up --hidden 'desc(B0)'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo D > D
$ hg add D
$ hg commit -m D
$ hg --hidden strip -r 'desc(B1)'
saved backup bundle to $TESTTMP/obsskip/.hg/strip-backup/86f6414ccda7-b1c452ee-backup.hg (glob)
$ hg rebase -d 'desc(B2)'
note: not rebasing 1:a8b11f55fb19 "B0", already in destination as 2:261e70097290 "B2"
rebasing 5:1a79b7535141 "D" (tip)
$ hg up 4
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "O" > O
$ hg add O
$ hg commit -m O
$ echo "P" > P
$ hg add P
$ hg commit -m P
$ hg log -G
@ 8:8d47583e023f P
|
o 7:360bbaa7d3ce O
|
| o 6:9c48361117de D
| |
o | 4:ff2c4d47b71d C
|/
o 2:261e70097290 B2
|
o 0:4a2df7238c3b A
$ hg debugobsolete `hg log -r 7 -T '{node}\n'` --config experimental.evolution=all
$ hg rebase -d 6 -r "4::"
rebasing 4:ff2c4d47b71d "C"
note: not rebasing 7:360bbaa7d3ce "O", it has no successor
rebasing 8:8d47583e023f "P" (tip)
If all the changeset to be rebased are obsolete and present in the destination, we
should display a friendly error message
$ hg log -G
@ 10:121d9e3bc4c6 P
|
o 9:4be60e099a77 C
|
o 6:9c48361117de D
|
o 2:261e70097290 B2
|
o 0:4a2df7238c3b A
$ hg up 9
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "non-relevant change" > nonrelevant
$ hg add nonrelevant
$ hg commit -m nonrelevant
created new head
$ hg debugobsolete `hg log -r 11 -T '{node}\n'` --config experimental.evolution=all
$ hg rebase -r . -d 10
abort: all requested changesets have equivalents or were marked as obsolete
(to force the rebase, set the config experimental.rebaseskipobsolete to False)
[255]
If a rebase is going to create divergence, it should abort
$ hg log -G
@ 11:f44da1f4954c nonrelevant
|
| o 10:121d9e3bc4c6 P
|/
o 9:4be60e099a77 C
|
o 6:9c48361117de D
|
o 2:261e70097290 B2
|
o 0:4a2df7238c3b A
$ hg up 9
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "john" > doe
$ hg add doe
$ hg commit -m "john doe"
created new head
$ hg up 10
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "foo" > bar
$ hg add bar
$ hg commit --amend -m "10'"
$ hg up 10 --hidden
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "bar" > foo
$ hg add foo
$ hg commit -m "bar foo"
$ hg log -G
@ 15:73568ab6879d bar foo
|
| o 14:77d874d096a2 10'
| |
| | o 12:3eb461388009 john doe
| |/
x | 10:121d9e3bc4c6 P
|/
o 9:4be60e099a77 C
|
o 6:9c48361117de D
|
o 2:261e70097290 B2
|
o 0:4a2df7238c3b A
$ hg summary
parent: 15:73568ab6879d tip
bar foo
branch: default
commit: (clean)
update: 2 new changesets, 3 branch heads (merge)
phases: 8 draft
unstable: 1 changesets
$ hg rebase -s 10 -d 12
abort: this rebase will cause divergences from: 121d9e3bc4c6
(to force the rebase please set experimental.allowdivergence=True)
[255]
$ hg log -G
@ 15:73568ab6879d bar foo
|
| o 14:77d874d096a2 10'
| |
| | o 12:3eb461388009 john doe
| |/
x | 10:121d9e3bc4c6 P
|/
o 9:4be60e099a77 C
|
o 6:9c48361117de D
|
o 2:261e70097290 B2
|
o 0:4a2df7238c3b A
With experimental.allowdivergence=True, rebase can create divergence
$ hg rebase -s 10 -d 12 --config experimental.allowdivergence=True
rebasing 10:121d9e3bc4c6 "P"
rebasing 15:73568ab6879d "bar foo" (tip)
$ hg summary
parent: 17:61bd55f69bc4 tip
bar foo
branch: default
commit: (clean)
update: 1 new changesets, 2 branch heads (merge)
phases: 8 draft
divergent: 2 changesets