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view tests/test-rebase-scenario-global.t @ 25018:93e015a3d1ea

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commit: add ui.allowemptycommit config option This adds a config flag that enables a user to make empty commits. This is useful in a number of cases. For instance, automation that creates release branches via bookmarks may want to make empty commits to that release bookmark so that it can't be fast-forwarded and so it can record information about the release bookmark's creation. This is already possible with named branches, so making it possible for bookmarks makes sense. Another case we've wanted it is for mirroring repositories into Mercurial. We have automation that syncs commits into hg by running things from the command line. The ability to produce empty commits is useful for syncing unusual commits from other VCS's. In general, allowing the user to create the DAG as they see fit seems useful, and when I mentioned this in IRC more than one person piped up and said they were already hacking around this limitation by using mq, import, and commit-dummy-change-then-amend-the-content-away style solutions.
author Durham Goode <durham@fb.com>
date Mon, 11 May 2015 16:18:28 -0700
parents 3cbb5bf4035d
children 72f7f98bc5e5
line wrap: on
line source

  $ cat >> $HGRCPATH <<EOF
  > [extensions]
  > 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:
(this also tests that editor is invoked if '--edit' is specified)

  $ 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 status --rev "3^1" --rev 3
  A D
  $ HGEDITOR=cat hg rebase -s 3 -d 7 --edit
  rebasing 3:32af7686d403 "D"
  D
  
  
  HG: Enter commit message.  Lines beginning with 'HG:' are removed.
  HG: Leave message empty to abort commit.
  HG: --
  HG: user: Nicolas Dumazet <nicdumz.commits@gmail.com>
  HG: branch 'default'
  HG: added D
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/32af7686d403-6f7dface-backup.hg (glob)

  $ hg tglog
  o  7: 'D'
  |
  @  6: 'H'
  |
  | o  5: 'G'
  |/|
  o |  4: 'F'
  | |
  | o  3: 'E'
  |/
  | o  2: 'C'
  | |
  | o  1: 'B'
  |/
  o  0: 'A'
  
  $ cd ..


D onto F - intermediate point:
(this also tests that editor is not invoked if '--edit' is not specified)

  $ hg clone -q -u . a a2
  $ cd a2

  $ HGEDITOR=cat hg rebase -s 3 -d 5
  rebasing 3:32af7686d403 "D"
  saved backup bundle to $TESTTMP/a2/.hg/strip-backup/32af7686d403-6f7dface-backup.hg (glob)

  $ hg tglog
  o  7: 'D'
  |
  | @  6: 'H'
  |/
  | o  5: 'G'
  |/|
  o |  4: 'F'
  | |
  | 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
  rebasing 4:9520eea781bc "E"
  rebasing 6:eea13746799a "G"
  note: rebase of 6:eea13746799a created no changes to commit
  saved backup bundle to $TESTTMP/a3/.hg/strip-backup/9520eea781bc-fcd8edd4-backup.hg (glob)

  $ hg tglog
  o  6: 'E'
  |
  @  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
  rebasing 5:24b6387c8c8c "F"
  rebasing 6:eea13746799a "G"
  note: rebase of 6:eea13746799a created no changes to commit
  rebasing 7:02de42196ebe "H" (tip)
  saved backup bundle to $TESTTMP/a4/.hg/strip-backup/24b6387c8c8c-c3fe765d-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
  rebasing 6:eea13746799a "G"
  saved backup bundle to $TESTTMP/a5/.hg/strip-backup/eea13746799a-883828ed-backup.hg (glob)

  $ hg tglog
  o    7: 'G'
  |\
  | @  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
  rebasing 5:24b6387c8c8c "F"
  rebasing 6:eea13746799a "G"
  rebasing 7:02de42196ebe "H" (tip)
  saved backup bundle to $TESTTMP/a6/.hg/strip-backup/24b6387c8c8c-c3fe765d-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
  rebasing 6:eea13746799a "G"
  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 - eea13746799a is both "base" and destination
  [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 - "base" 24b6387c8c8c is already an ancestor of destination eea13746799a
  [1]

C onto A - rebase onto an ancestor:

  $ hg rebase -d 0 -s 2
  rebasing 2:5fddd98957c8 "C"
  rebasing 3:32af7686d403 "D"
  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/5fddd98957c8-f9244fa1-backup.hg (glob)
  $ hg tglog
  o  7: 'D'
  |
  o  6: 'C'
  |
  | @  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 0 -b 6
  nothing to rebase
  [1]
  $ 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
  rebasing 6:e1c4361dd923 "C"
  rebasing 7:c9659aac0000 "D" (tip)

Check rebasing mutable changeset
Source phase greater or equal to destination phase: new changeset get the phase of source:
  $ hg id -n
  5
  $ hg rebase -s9 -d0
  rebasing 9:2b23e52411f4 "D" (tip)
  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/2b23e52411f4-f942decf-backup.hg (glob)
  $ hg id -n # check we updated back to parent
  5
  $ hg log --template "{phase}\n" -r 9
  draft
  $ hg rebase -s9 -d1
  rebasing 9:2cb10d0cfc6c "D" (tip)
  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/2cb10d0cfc6c-ddb0f256-backup.hg (glob)
  $ hg log --template "{phase}\n" -r 9
  draft
  $ hg phase --force --secret 9
  $ hg rebase -s9 -d0
  rebasing 9:c5b12b67163a "D" (tip)
  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/c5b12b67163a-4e372053-backup.hg (glob)
  $ hg log --template "{phase}\n" -r 9
  secret
  $ hg rebase -s9 -d1
  rebasing 9:2a0524f868ac "D" (tip)
  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/2a0524f868ac-cefd8574-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 -s8 -d9
  rebasing 8:6d4f22462821 "C"
  saved backup bundle to $TESTTMP/a7/.hg/strip-backup/6d4f22462821-3441f70b-backup.hg (glob)
  $ 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
  rebasing 2:c9e50f6cdc55 "C"
  rebasing 3:ffd453c31098 "D"
  rebasing 6:3d8a618087a7 "G"
  rebasing 7:72434a4e60b0 "H"
  rebasing 8:479ddb54a924 "I" (tip)
  $ hg tglog
  o  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
  rebasing 3:ffd453c31098 "D"
  rebasing 6:3d8a618087a7 "G"
  rebasing 7:72434a4e60b0 "H"
  rebasing 8:479ddb54a924 "I" (tip)
  $ hg tglog
  o  12: 'I'
  |
  o  11: 'H'
  |
  o  10: 'G'
  |
  o  9: 'D'
  |
  | 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 ..

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
  rebasing 3:ffd453c31098 "D"
  rebasing 6:3d8a618087a7 "G"
  rebasing 7:72434a4e60b0 "H"
  $ hg tglog
  o  11: 'H'
  |
  o  10: 'G'
  |
  o  9: 'D'
  |
  | 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 ..

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
  rebasing 3:ffd453c31098 "D"
  rebasing 4:c01897464e7f "E"
  rebasing 5:41bfcc75ed73 "F"
  rebasing 6:3d8a618087a7 "G"
  rebasing 7:72434a4e60b0 "H"
  $ hg tglog
  o  13: 'H'
  |
  o  12: 'G'
  |
  | o  11: 'F'
  | |
  | o  10: 'E'
  |/
  o  9: 'D'
  |
  | 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 ..

More advanced tests

rebase on ancestor with revset

  $ hg clone -q -u . ah ah5
  $ cd ah5
  $ hg rebase -r '6::' -d 2
  rebasing 6:3d8a618087a7 "G"
  rebasing 7:72434a4e60b0 "H"
  rebasing 8:479ddb54a924 "I" (tip)
  saved backup bundle to $TESTTMP/ah5/.hg/strip-backup/3d8a618087a7-b4f73f31-backup.hg (glob)
  $ 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 ..


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
  rebasing 4:c01897464e7f "E"
  rebasing 5:41bfcc75ed73 "F"
  rebasing 6:3d8a618087a7 "G"
  rebasing 7:72434a4e60b0 "H"
  rebasing 8:479ddb54a924 "I" (tip)
  saved backup bundle to $TESTTMP/ah6/.hg/strip-backup/3d8a618087a7-aae93a24-backup.hg (glob)
  $ 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 ..

More complex rebase with multiple roots
each root have a different common ancestor with the destination and this is a detach

(setup)

  $ hg clone -q -u . a a8
  $ cd a8
  $ echo I > I
  $ hg add I
  $ hg commit -m I
  $ hg up 4
  1 files updated, 0 files merged, 3 files removed, 0 files unresolved
  $ echo I > J
  $ hg add J
  $ hg commit -m J
  created new head
  $ echo I > K
  $ hg add K
  $ hg commit -m K
  $ hg tglog
  @  10: 'K'
  |
  o  9: 'J'
  |
  | 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'
  
(actual test)

  $ hg rebase --dest 'desc(G)' --rev 'desc(K) + desc(I)'
  rebasing 8:e7ec4e813ba6 "I"
  rebasing 10:23a4ace37988 "K" (tip)
  saved backup bundle to $TESTTMP/a8/.hg/strip-backup/23a4ace37988-b06984b3-backup.hg (glob)
  $ hg log --rev 'children(desc(G))'
  changeset:   9:adb617877056
  parent:      6:eea13746799a
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     I
  
  changeset:   10:882431a34a0e
  tag:         tip
  parent:      6:eea13746799a
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     K
  
  $ hg tglog
  @  10: 'K'
  |
  | o  9: 'I'
  |/
  | o  8: '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'
  

Test that rebase is not confused by $CWD disappearing during rebase (issue4121)

  $ cd ..
  $ hg init cwd-vanish
  $ cd cwd-vanish
  $ touch initial-file
  $ hg add initial-file
  $ hg commit -m 'initial commit'
  $ touch dest-file
  $ hg add dest-file
  $ hg commit -m 'dest commit'
  $ hg up 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ touch other-file
  $ hg add other-file
  $ hg commit -m 'first source commit'
  created new head
  $ mkdir subdir
  $ cd subdir
  $ touch subfile
  $ hg add subfile
  $ hg commit -m 'second source with subdir'
  $ hg rebase -b . -d 1 --traceback
  rebasing 2:779a07b1b7a0 "first source commit"
  rebasing 3:a7d6f3a00bf3 "second source with subdir" (tip)
  saved backup bundle to $TESTTMP/cwd-vanish/.hg/strip-backup/779a07b1b7a0-853e0073-backup.hg (glob)