convert_git: avoid returning two entries for the same file in getchanges This could happen in merge changesets if the merged file was different from both parents.

#!/bin/sh

hg init
mkfifo p

hg serve --stdio < p &
P=$!
(echo lock; echo addchangegroup; sleep 5) > p &
Q=$!
sleep 3
kill -HUP $P
wait
echo .hg/* .hg/store/*