$ cat >> $HGRCPATH <<EOF

  > [extensions]

  > graphlog=

  > rebase=

  > 

  > [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 descendant onto ancestor across different named branches

  $ hg clone -q -u . a a1

  $ cd a1

  $ hg branch dev

  marked working directory as branch dev

  $ echo x > x

  $ hg add x

  $ hg ci -m 'extra named branch'

  $ hg tglog

  @  8: 'extra named branch' dev

  |

  o  7: 'H'

  |

  | o  6: 'G'

  |/|

  o |  5: 'F'

  | |

  | o  4: 'E'

  |/

  | o  3: 'D'

  | |

  | o  2: 'C'

  | |

  | o  1: 'B'

  |/

  o  0: 'A'

  $ hg rebase -s 7 -d 8

  abort: source is ancestor of destination

  [255]

  $ hg rebase -s 8 -d 7

  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)

  $ hg tglog

  @  8: 'extra named branch'

  |

  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 ..