1 #!/bin/sh

     2 

     3 hg init

     4 echo a > a

     5 hg commit -A -ma

     6 

     7 echo a >> a

     8 hg commit -mb

     9 

    10 echo a >> a

    11 hg commit -mc

    12 

    13 hg up 1

    14 echo a >> a

    15 hg commit -md

    16 

    17 hg up 1

    18 echo a >> a

    19 hg commit -me

    20 

    21 hg up 1

    22 echo % should fail because not at a head

    23 hg merge

    24 

    25 hg up

    26 echo % should fail because \> 2 heads

    27 hg merge

    28 

    29 echo % should succeed

    30 hg merge 2

    31 hg commit -mm1

    32 

    33 echo % should succeed - 2 heads

    34 hg merge

    35 hg commit -mm2

    36 

    37 echo % should fail because 1 head

    38 hg merge

    39 

    40 true