tests/test-graft.t

24642:54e5c239c2d9

  $ hg tag -f something
  $ hg graft -qr 27
  $ hg graft -f 27
  grafting 27:3d35c4c79e5a "28"
  note: graft of 27:3d35c4c79e5a created no changes to commit

24643:a8e6897dffbe

  $ hg tag -f something
  $ hg graft -qr 27
  $ hg graft -f 27
  grafting 27:3d35c4c79e5a "28"
  note: graft of 27:3d35c4c79e5a created no changes to commit

  $ cd ..

Graft to duplicate a commit

  $ hg init graftsibling
  $ cd graftsibling
  $ touch a
  $ hg commit -qAm a
  $ touch b
  $ hg commit -qAm b
  $ hg log -G -T '{rev}\n'
  @  1
  |
  o  0
  
  $ hg up -q 0
  $ hg graft -r 1
  grafting 1:0e067c57feba "b" (tip)
  $ hg log -G -T '{rev}\n'
  @  2
  |
  | o  1
  |/
  o  0