comparison tests/test-rebase-inmemory.t @ 45090:0ecb3b11fcad

rebase: correctly check for empty commit in in-memory mode

The new code has a small overhead in the empty commit case, as a `memctx` object
is always created, but I don’t think it’s justified here to duplicate code
to optimize a relatively unlikely code path.

Differential Revision: https://phab.mercurial-scm.org/D8732

45089:d085fcb11c56

  | |/
  o /  1: 6f252845ea45 'a'
  |/
  o  0: d20a80d4def3 'base'
  
FIXME: It's broken for inmemory merges.
  $ hg rebase -s 2 -d 3
  rebasing 2:0194f1db184a "b"
  note: not rebasing 2:0194f1db184a "b", its destination already has all its changes
  rebasing 4:59c8292117b1 "merge" (tip)
  note: not rebasing 4:59c8292117b1 "merge" (tip), its destination already has all its changes (true !)
  saved backup bundle to $TESTTMP/keep_merge/.hg/strip-backup/0194f1db184a-aee31d03-rebase.hg
#if false
  $ hg tglog
  o    3: 506e2454484b 'merge'
  |\
  | o  2: 531f80391e4a 'c'
  | |
  o |  1: 6f252845ea45 'a'
  |/
  o  0: d20a80d4def3 'base'
  
#endif

45090:0ecb3b11fcad

  | |/
  o /  1: 6f252845ea45 'a'
  |/
  o  0: d20a80d4def3 'base'
  
  $ hg rebase -s 2 -d 3
  rebasing 2:0194f1db184a "b"
  note: not rebasing 2:0194f1db184a "b", its destination already has all its changes
  rebasing 4:59c8292117b1 "merge" (tip)
  saved backup bundle to $TESTTMP/keep_merge/.hg/strip-backup/0194f1db184a-aee31d03-rebase.hg
  $ hg tglog
  o    3: 506e2454484b 'merge'
  |\
  | o  2: 531f80391e4a 'c'
  | |
  o |  1: 6f252845ea45 'a'
  |/
  o  0: d20a80d4def3 'base'