branchmap: skip obsolete revisions while computing heads
It's time to make this part of core Mercurial obsolescence-aware.
Not considering obsolete revisions when computing heads is clearly what
Mercurial should do. But there are a couple of small issues:
- Let's say tip of the repo is obsolete. There are two ways of finding tiprev
for branchcache (both are in use): looking at input data for update() and
looking at computed heads after update(). Previously, repo tip would be
tiprev of the branchcache. With this patch, an obsolete revision can no
longer be tiprev. And depending on what way we use for finding tiprev (input
data vs computed heads) we'll get a different result. This is relevant when
recomputing cache key from cache contents, and may lead to updating cache for
obsolete revisions multiple times (not from scratch, because it still would
be considered valid for a subset of revisions in the repo).
- If all commits on a branch are obsolete, the branchcache will include that
branch, but the list of heads will be empty (that's why there's now `if not
heads` when recomputing tiprev/tipnode from cache contents). Having an entry
for every branch is currently required for notify extension (and
test-notify.t to pass), because notify doesn't handle revsets in its
subscription config very well and will throw an error if e.g. a branch
doesn't exist.
- Cloning static HTTP repos may try to stat() a non-existent obsstore file. The
issue is that we now care about obsolescence during clone, but statichttpvfs
doesn't implement a stat method, so a regular vfs.stat() is used, and it
assumes that file is local and calls os.stat(). During a clone, we're trying
to stat() .hg/store/obsstore, but in static HTTP case we provide a literal
URL to the obsstore file on the remote as if it were a local file path. On
windows it actually results in a failure in test-static-http.t.
The first issue is going to be addressed in a series dedicated to making sure
branchcache is properly and timely written on disk (it wasn't perfect even
before this patch, but there aren't enough tests to demonstrate that). The
second issue will be addressed in a future patch for notify extension that will
make it not raise an exception if a branch doesn't exist. And the third one was
partially addressed in the previous patch in this series and will be properly
fixed in a future patch when this series is accepted.
filteredhash() grows a keyword argument to make sure that branchcache is also
invalidated when there are new obsolete revisions in its repo view. This way
the on-disk cache format is unchanged and compatible between versions (although
it will obviously be recomputed when switching versions before/after this patch
and the repo has obsolete revisions).
There's one test that uses plain `hg up` without arguments while updated to a
pruned commit. To make this test pass, simply return current working directory
parent. Later in this series this code will be replaced by what prune command
does: updating to the closest non-obsolete ancestor.
Test changes:
test-branch-change.t: update branch head and cache update message. The head of
default listed in hg heads is changed because revision 2 was rewritten as 7,
and 1 is the closest ancestor on the same branch, so it's the head of default
now.
The cache invalidation message appears now because of the cache hash change,
since we're now accounting for obsolete revisions. Here's some context:
"served.hidden" repo filter means everything is visible (no filtered
revisions), so before this series branch2-served.hidden file would not contain
any cache hash, only revnum and node. Now it also has a hash when there are
obsolete changesets in the repo. The command that the message appears for is
changing branch of 5 and 6, which are now obsolete, so the cache hash changes.
In general, when cache is simply out-of-date, it can be updated using the old
version as a base. But if cache hash differs, then the cache for that
particular repo filter is recomputed (at least with the current
implementation). This is what happens here.
test-obsmarker-template.t: the pull reports 2 heads changed, but after that the
repo correctly sees only 1. The new message could be better, but it's still an
improvement over the previous one where hg pull suggested merging with an
obsolete revision.
test-obsolete.t: we can see these revisions in hg log --hidden, but they
shouldn't be considered heads even with --hidden.
test-rebase-obsolete{,2}.t: there were new heads created previously after
making new orphan changesets, but they weren't detected. Now we are properly
detecting and reporting them.
test-rebase-obsolete4.t: there's only one head now because the other head is
pruned and was falsely reported before.
test-static-http.t: add obsstore to the list of requested files. This file
doesn't exist on the remotes, but clients want it anyway (they get 404). This
is fine, because there are other nonexistent files that clients request, like
.hg/bookmarks or .hg/cache/tags2-served.
Differential Revision: https://phab.mercurial-scm.org/D12097
==========================
Test rebase with obsolete
==========================
Enable obsolete
$ cat >> $HGRCPATH << EOF
> [command-templates]
> log= {rev}:{node|short} {desc|firstline}{if(obsolete,' ({obsfate})')}
> [experimental]
> evolution.createmarkers=True
> evolution.allowunstable=True
> [phases]
> publish=False
> [extensions]
> rebase=
> drawdag=$TESTDIR/drawdag.py
> strip=
> 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)
new changesets cd010b8cd998:02de42196ebe (8 drafts)
(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 (rewritten using rebase as 10:8eeb3c33ad33)
| |
| x 2:5fddd98957c8 C (rewritten using rebase as 9:2327fea05063)
| |
| x 1:42ccdea3bb16 B (rewritten using rebase as 8:e4e5be0395b2)
|/
o 0:cd010b8cd998 A
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 e4e5be0395b2cbd471ed22a26b1b6a1a0658a794 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 2327fea05063f39961b14cb69435a9898dc9a245 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
32af7686d403cf45b5d95f2d70cebea587ac806a 8eeb3c33ad33d452c89e5dcf611c347f978fb42b 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
$ 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: not rebasing 1:42ccdea3bb16 "B", its destination already has all its changes
rebasing 2:5fddd98957c8 "C"
rebasing 3:32af7686d403 "D"
note: not rebasing 3:32af7686d403 "D", its destination already has all its changes
$ 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 (pruned using rebase)
| |
| x 2:5fddd98957c8 C (rewritten using rebase as 10:5ae4c968c6ac)
| |
| x 1:42ccdea3bb16 B (pruned using rebase)
|/
o 0:cd010b8cd998 A
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 0 {cd010b8cd998f3981a5a8115f94f8da4ab506089} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'rebase', 'user': 'test'}
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 5ae4c968c6aca831df823664e706c9d4aa34473d 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
32af7686d403cf45b5d95f2d70cebea587ac806a 0 {5fddd98957c8a54a4d436dfe1da9d87f21a1b97b} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'rebase', 'user': 'test'}
More complex case where part of the rebase set were already rebased
$ hg rebase --rev 'desc(D)' --dest 'desc(H)'
rebasing 9:08483444fef9 "D"
1 new orphan changesets
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 0 {cd010b8cd998f3981a5a8115f94f8da4ab506089} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'rebase', 'user': 'test'}
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 5ae4c968c6aca831df823664e706c9d4aa34473d 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
32af7686d403cf45b5d95f2d70cebea587ac806a 0 {5fddd98957c8a54a4d436dfe1da9d87f21a1b97b} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'rebase', 'user': 'test'}
08483444fef91d6224f6655ee586a65d263ad34c 4596109a6a4328c398bde3a4a3b6737cfade3003 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
$ hg log -G
@ 11:4596109a6a43 D
|
| * 10:5ae4c968c6ac C
| |
| x 9:08483444fef9 D (rewritten using rebase as 11:4596109a6a43)
| |
| 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 tip "D"
rebasing 10:5ae4c968c6ac "C"
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 0 {cd010b8cd998f3981a5a8115f94f8da4ab506089} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'rebase', 'user': 'test'}
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 5ae4c968c6aca831df823664e706c9d4aa34473d 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
32af7686d403cf45b5d95f2d70cebea587ac806a 0 {5fddd98957c8a54a4d436dfe1da9d87f21a1b97b} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'rebase', 'user': 'test'}
08483444fef91d6224f6655ee586a65d263ad34c 4596109a6a4328c398bde3a4a3b6737cfade3003 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
8877864f1edb05d0e07dc4ba77b67a80a7b86672 462a34d07e599b87ea08676a449373fe4e2e1347 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
5ae4c968c6aca831df823664e706c9d4aa34473d 98f6af4ee9539e14da4465128f894c274900b6e5 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
$ hg log --rev 'contentdivergent()'
$ 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 tip "D"
$ 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
Start rebase from a commit that is obsolete but not hidden only because it's
a working copy parent. We should be moved back to the starting commit as usual
even though it is hidden (until we're moved there).
$ hg --hidden up -qr 'first(hidden())'
updated to hidden changeset 42ccdea3bb16
(hidden revision '42ccdea3bb16' is pruned)
$ hg rebase --rev 13 --dest 15
rebasing 13:98f6af4ee953 "C"
$ hg log -G
o 16:294a2b93eb4d C
|
o 15:627d46148090 D
|
| o 12:462a34d07e59 B
| |
| o 11:4596109a6a43 D
| |
| o 7:02de42196ebe H
| |
+---o 6:eea13746799a G
| |/
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
| @ 1:42ccdea3bb16 B (pruned using rebase)
|/
o 0:cd010b8cd998 A
$ 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 (rewritten using rebase as 8:4dc2197e807b)
| |
| x 2:5fddd98957c8 C (rewritten using rebase as 8:4dc2197e807b)
| |
| x 1:42ccdea3bb16 B (rewritten using rebase as 8:4dc2197e807b)
|/
o 0:cd010b8cd998 A
$ hg id --debug -r tip
4dc2197e807bae9817f09905b50ab288be2dbbcf tip
$ hg debugobsolete
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 4dc2197e807bae9817f09905b50ab288be2dbbcf 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '13', 'fold-id': '6fb65cdc', 'fold-idx': '1', 'fold-size': '3', 'operation': 'rebase', 'user': 'test'}
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b 4dc2197e807bae9817f09905b50ab288be2dbbcf 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '13', 'fold-id': '6fb65cdc', 'fold-idx': '2', 'fold-size': '3', 'operation': 'rebase', 'user': 'test'}
32af7686d403cf45b5d95f2d70cebea587ac806a 4dc2197e807bae9817f09905b50ab288be2dbbcf 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '13', 'fold-id': '6fb65cdc', 'fold-idx': '3', 'fold-size': '3', 'operation': 'rebase', 'user': 'test'}
$ cd ..
Rebase set has hidden descendants
---------------------------------
We rebase a changeset which has hidden descendants. Hidden changesets 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 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
$ hg rebase -s 5fddd98957c8 -d eea13746799a
rebasing 2:5fddd98957c8 "C"
rebasing 3:32af7686d403 "D"
$ hg log -G
o 9:cf44d2f5a9f4 D
|
o 8:e273c5e7d2d2 C
|
| @ 7:02de42196ebe H
| |
o | 6:eea13746799a G
|\|
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
| o 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ 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 (rewritten using rebase as 9:cf44d2f5a9f4)
| |
| x 2:5fddd98957c8 C (rewritten using rebase as 8:e273c5e7d2d2)
| |
| x 1:42ccdea3bb16 B (rewritten using rebase as 10:7c6027df6a99)
|/
o 0:cd010b8cd998 A
$ hg debugobsolete
5fddd98957c8a54a4d436dfe1da9d87f21a1b97b e273c5e7d2d29df783dce9f9eaa3ac4adc69c15d 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
32af7686d403cf45b5d95f2d70cebea587ac806a cf44d2f5a9f4297a62be94cbdd3dff7c7dc54258 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
42ccdea3bb16d28e1848c95fe2e44c000f3f21b1 7c6027df6a99d93f461868e5433f63bde20b6dfb 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '4', 'operation': 'rebase', 'user': 'test'}
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"
1 new orphan changesets
$ hg log -G
o 11:0d8f238b634c C
|
o 10:7c6027df6a99 B
|
| * 9:cf44d2f5a9f4 D
| |
| x 8:e273c5e7d2d2 C (rewritten using rebase as 11:0d8f238b634c)
| |
@ | 7:02de42196ebe H
| |
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ cd ..
$ cp -R hidden stabilize
$ cd stabilize
$ hg rebase --auto-orphans '0::' -d 10
abort: cannot specify both --auto-orphans and --dest
[10]
$ hg rebase --auto-orphans '0::'
rebasing 9:cf44d2f5a9f4 "D"
$ hg log -G
o 12:7e3935feaa68 D
|
o 11:0d8f238b634c C
|
o 10:7c6027df6a99 B
|
@ 7:02de42196ebe H
|
| o 6:eea13746799a G
|/|
o | 5:24b6387c8c8c F
| |
| o 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ cd ../hidden
$ rm -r ../stabilize
Test multiple root handling
------------------------------------
$ hg rebase --dest 4 --rev '7+11+9'
rebasing 9:cf44d2f5a9f4 "D"
rebasing 7:02de42196ebe "H"
rebasing 11:0d8f238b634c tip "C"
$ hg log -G
o 14:1e8370e38cca C
|
@ 13:bfe264faf697 H
|
| o 12:102b4c1d889b D
|/
| * 10:7c6027df6a99 B
| |
| x 7:02de42196ebe H (rewritten using rebase as 13:bfe264faf697)
| |
+---o 6:eea13746799a G
| |/
| o 5:24b6387c8c8c F
| |
o | 4:9520eea781bc E
|/
o 0:cd010b8cd998 A
$ cd ..
Detach both parents
$ hg init double-detach
$ cd double-detach
$ hg debugdrawdag <<EOF
> F
> /|
> C E
> | |
> B D G
> \|/
> A
> EOF
$ hg rebase -d G -r 'B + D + F'
rebasing 1:112478962961 B "B"
rebasing 2:b18e25de2cf5 D "D"
rebasing 6:f15c3adaf214 F tip "F"
abort: cannot rebase 6:f15c3adaf214 without moving at least one of its parents
[10]
$ 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)
new changesets cd010b8cd998:02de42196ebe (8 drafts)
(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"
rebasing 9:4bde274eefcf tip "I"
1 new orphan changesets
$ hg log -G
@ 12:acd174b7ab39 I
|
o 11:6c11a6218c97 H
|
| o 10:b5313c85b22e D
|/
| * 8:53a6a128b2b7 M
| |\
| | x 7:02de42196ebe H (rewritten using rebase as 11:6c11a6218c97)
| | |
o---+ 6:eea13746799a G
| | |
| | o 5:24b6387c8c8c F
| | |
o---+ 4:9520eea781bc E
/ /
x | 3:32af7686d403 D (rewritten using rebase as 10:b5313c85b22e)
| |
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
updated to hidden changeset 4bde274eefcf
(hidden revision '4bde274eefcf' was rewritten as: acd174b7ab39)
$ echo J > J
$ hg add J
$ hg commit -m J
1 new orphan changesets
created new head
$ hg debugobsolete `hg log --rev . -T '{node}'`
1 new obsolescence markers
obsoleted 1 changesets
$ hg rebase --rev .~1::. --dest 'max(desc(D))' --traceback --config experimental.rebaseskipobsolete=off
rebasing 9:4bde274eefcf "I"
rebasing 13:06edfc82198f tip "J"
2 new content-divergent changesets
$ hg log -G
@ 15:5ae8a643467b J
|
* 14:9ad579b4a5de I
|
| * 12:acd174b7ab39 I
| |
| o 11:6c11a6218c97 H
| |
o | 10:b5313c85b22e D
|/
| * 8:53a6a128b2b7 M
| |\
| | x 7:02de42196ebe H (rewritten using rebase as 11:6c11a6218c97)
| | |
o---+ 6:eea13746799a G
| | |
| | o 5:24b6387c8c8c F
| | |
o---+ 4:9520eea781bc E
/ /
x | 3:32af7686d403 D (rewritten using rebase as 10:b5313c85b22e)
| |
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"
1 new orphan changesets
$ 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"
1 new orphan changesets
$ hg log -G
@ 18:bfaedf8eb73b M
|
| * 17:97219452e4bd L
| |
| x 16:fc37a630c901 K (rewritten using amend as 18:bfaedf8eb73b)
|/
| * 15:5ae8a643467b J
| |
| x 14:9ad579b4a5de I (rewritten using amend as 16:fc37a630c901)
|/
| * 12:acd174b7ab39 I
| |
| o 11:6c11a6218c97 H
| |
o | 10:b5313c85b22e D
|/
| * 8:53a6a128b2b7 M
| |\
| | x 7:02de42196ebe H (rewritten using rebase as 11:6c11a6218c97)
| | |
o---+ 6:eea13746799a G
| | |
| | o 5:24b6387c8c8c F
| | |
o---+ 4:9520eea781bc E
/ /
x | 3:32af7686d403 D (rewritten using rebase as 10:b5313c85b22e)
| |
o | 2:5fddd98957c8 C
| |
o | 1:42ccdea3bb16 B
|/
o 0:cd010b8cd998 A
$ hg rebase -s 14 -d 17 --config experimental.rebaseskipobsolete=True
note: not rebasing 14:9ad579b4a5de "I", already in destination as 16:fc37a630c901 "K"
rebasing 15:5ae8a643467b "J"
1 new orphan changesets
$ cd ..