1 #!/bin/sh

     2 

     3 hg init

     4 mkfifo p

     5 

     6 hg serve --stdio < p &

     7 P=$!

     8 (echo lock; echo addchangegroup; sleep 5) > p &

     9 Q=$!

    10 sleep 1

    11 kill -HUP $P

    12 sleep 1

    13 ls .hg

    14 

    15 

    16