mq: lowercase output
This extension produces quite a lot of informational messages during
its normal operation and it is hard to say which strings can be
changed and which cannot.
#!/bin/sh
echo "[extensions]" >> $HGRCPATH
echo "hgk=" >> $HGRCPATH
hg init repo
cd repo
echo a > a
hg ci -Am adda
hg debug-cat-file commit 0