view tests/test-double-merge.t @ 11999:62e2bbf523f2

revlog: generate full revisions when parent node is missing

The full revision is sent if the first parent, against which diff is calculated, is
missing at remote. This happens in the case of shallow clones.

  $ hg init repo
  $ cd repo

  $ echo line 1 > foo
  $ hg ci -qAm 'add foo' -d "1000000 0"

copy foo to bar and change both files
  $ hg cp foo bar
  $ echo line 2-1 >> foo
  $ echo line 2-2 >> bar
  $ hg ci -m 'cp foo bar; change both' -d "1000000 0"

in another branch, change foo in a way that doesn't conflict with
the other changes
  $ hg up -qC 0
  $ echo line 0 > foo
  $ hg cat foo >> foo
  $ hg ci -m 'change foo' -d "1000000 0"
  created new head

we get conflicts that shouldn't be there
  $ hg merge -P
  changeset:   1:d9da848d0adf
  user:        test
  date:        Mon Jan 12 13:46:40 1970 +0000
  summary:     cp foo bar; change both
  
  $ hg merge --debug
    searching for copies back to rev 1
    unmatched files in other:
     bar
    all copies found (* = to merge, ! = divergent):
     bar -> foo *
    checking for directory renames
  resolving manifests
   overwrite None partial False
   ancestor 310fd17130da local 2092631ce82b+ remote d9da848d0adf
   foo: versions differ -> m
   foo: remote copied to bar -> m
  preserving foo for resolve of bar
  preserving foo for resolve of foo
  updating: foo 1/2 files (50.00%)
  picked tool 'internal:merge' for bar (binary False symlink False)
  merging foo and bar to bar
  my bar@2092631ce82b+ other bar@d9da848d0adf ancestor foo@310fd17130da
   premerge successful
  updating: foo 2/2 files (100.00%)
  picked tool 'internal:merge' for foo (binary False symlink False)
  merging foo
  my foo@2092631ce82b+ other foo@d9da848d0adf ancestor foo@310fd17130da
   premerge successful
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)

contents of foo
  $ cat foo
  line 0
  line 1
  line 2-1

contents of bar
  $ cat bar
  line 0
  line 1
  line 2-2