1539 Test that --log is preserved and reused in `hg graft --continue`

  1540 

  1541   $ hg up '.^^'

  1542   1 files updated, 0 files merged, 1 files removed, 0 files unresolved

  1543   $ hg graft -r 1 -r 2 --log

  1544   grafting 1:80e6d2c47cfe "added b"

  1545   merging b

  1546   warning: conflicts while merging b! (edit, then use 'hg resolve --mark')

  1547   abort: unresolved conflicts, can't continue

  1548   (use 'hg resolve' and 'hg graft --continue --log')

  1549   [255]

  1550 

  1551   $ echo foobar > b

  1552   $ hg resolve -m

  1553   (no more unresolved files)

  1554   continue: hg graft --continue

  1555 

  1556   $ hg graft --continue

  1557   grafting 1:80e6d2c47cfe "added b"

  1558   grafting 2:8be98ac1a569 "added c"

  1559 

  1560   $ hg log -GT "{rev}:{node|short} {desc}" -r '.^^::.'

  1561   @  11:7ee8d3496b19 added c

  1562   |

  1563   o  10:802f1eae3af3 added b

  1564   |

  1565   o  3:9e887f7a939c bar to b

  1566   |

  1567   ~