tests/test-merge3

httprepo: use content-type application/mercurial-0.1 for POST

Previously, application/octet-stream was used. The content-type is
currently ignored by the server.

#!/bin/sh

hg init
echo This is file a1 > a
hg add a
hg commit -m "commit #0" -d "1000000 0"
touch b
hg add b
rm b
hg commit -A -m"comment #1" -d "1000000 0"