$ cat >> $HGRCPATH <<EOF

  > [extensions]

  > convert=

  > graphlog=

  > EOF

  $ hg init t

  $ cd t

  $ echo a >> a

  $ hg ci -Am a0 -d '1 0'

  adding a

  $ hg branch brancha

  marked working directory as branch brancha

  $ echo a >> a

  $ hg ci -m a1 -d '2 0'

  $ echo a >> a

  $ hg ci -m a2 -d '3 0'

  $ echo a >> a

  $ hg ci -m a3 -d '4 0'

  $ hg up -C 0

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

  $ hg branch branchb

  marked working directory as branch branchb

  $ echo b >> b

  $ hg ci -Am b0 -d '6 0'

  adding b

  $ hg up -C brancha

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

  $ echo a >> a

  $ hg ci -m a4 -d '5 0'

  $ echo a >> a

  $ hg ci -m a5 -d '7 0'

  $ echo a >> a

  $ hg ci -m a6 -d '8 0'

  $ hg up -C branchb

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ echo b >> b

  $ hg ci -m b1 -d '9 0'

  $ cd ..

convert with datesort

  $ hg convert --datesort t t-datesort

  initializing destination t-datesort repository

  scanning source...

  sorting...

  converting...

  8 a0

  7 a1

  6 a2

  5 a3

  4 a4

  3 b0

  2 a5

  1 a6

  0 b1

graph converted repo

  $ hg -R t-datesort glog --template '{rev} "{desc}"\n'

  o  8 "b1"

  |

  | o  7 "a6"

  | |

  | o  6 "a5"

  | |

  o |  5 "b0"

  | |

  | o  4 "a4"

  | |

  | o  3 "a3"

  | |

  | o  2 "a2"

  | |

  | o  1 "a1"

  |/

  o  0 "a0"

convert with datesort (default mode)

  $ hg convert t t-sourcesort

  initializing destination t-sourcesort repository

  scanning source...

  sorting...

  converting...

  8 a0

  7 a1

  6 a2

  5 a3

  4 b0

  3 a4

  2 a5

  1 a6

  0 b1

graph converted repo

  $ hg -R t-sourcesort glog --template '{rev} "{desc}"\n'

  o  8 "b1"

  |

  | o  7 "a6"

  | |

  | o  6 "a5"

  | |

  | o  5 "a4"

  | |

  o |  4 "b0"

  | |

  | o  3 "a3"

  | |

  | o  2 "a2"

  | |

  | o  1 "a1"

  |/

  o  0 "a0"