1 6:755d1e0d79e9 

     2 5:9ce2ce29723a 3:a3e00c7dbf11 4:bb4475edb621 

     3 4:bb4475edb621 1:5d953a1917d1 

     4 3:a3e00c7dbf11 

     5 2:befc7d89d081 

     6 1:5d953a1917d1 

     7 0:837088b6e1d9 

     8 

     9 should work with tag/branch/node/rev

    10 tip^: 5

    11 default^: 5

    12 755d1e0d79e9^: 5

    13 6^: 5

    14 

    15 some random lookups

    16 6^^: 3

    17 6^^^: 2

    18 6^^^^: 1

    19 6^^^^^: 0

    20 6^^^^^^: -1

    21 6^1: 5

    22 6^2: abort: unknown revision '6^2'!

    23 6^^2: 4

    24 6^1^2: 4

    25 6^^3: abort: unknown revision '6^^3'!

    26 6~: abort: unknown revision '6~'!

    27 6~1: 5

    28 6~2: 3

    29 6~3: 2

    30 6~4: 1

    31 6~5: 0

    32 6~42: -1

    33 6~1^2: 4

    34 6~1^2~2: 0

    35 

    36 with a tag "6^" pointing to rev 1

    37 6^: 1

    38 6^1: 5

    39 6~1: 5

    40 6^^: 3

    41 

    42 with a tag "foo^bar" pointing to rev 2

    43 foo^bar: 2

    44 foo^bar^: abort: unknown revision 'foo^bar^'!