localrepo: refactor prepush logic
Simplifies the prepush check logic and makes it a lot more direct and
comprehensible. Instead of comparing the total local vs. remote head count, it
compares the number of new vs. removed heads.
#!/bin/sh
cat <<EOF >> $HGRCPATH
[extensions]
schemes=
[schemes]
l = http://localhost:$HGPORT/
parts = http://{1}:$HGPORT/
EOF
hg init test
cd test
echo a > a
hg ci -Am initial
hg serve -n test -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log
cat hg.pid >> $DAEMON_PIDS
hg incoming l://
echo % check that {1} syntax works
hg incoming --debug parts://localhost | sed 's/[0-9]//g'
echo % errors
cat errors.log