change default strftime format for better portability On some systems, such as Solaris and HP-UX, "%c" format give output without the leading zero on the single-digit month-day.

#!/bin/sh

hg init
mkfifo p

hg serve --stdio < p &
P=$!
(echo lock; echo addchangegroup; sleep 5) > p &
Q=$!
sleep 1
kill -HUP $P
sleep 1
ls .hg