tests/test-mq-safety

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

echo '[extensions]' >> $HGRCPATH
echo 'mq =' >> $HGRCPATH

hg init repo
cd repo

echo foo > foo
hg ci -qAm 'add a file'

hg qinit

hg qnew foo
echo foo >> foo
hg qrefresh -m 'append foo'

hg qnew bar
echo bar >> foo
hg qrefresh -m 'append bar'

echo '% try to commit on top of a patch'
echo quux >> foo
hg ci -m 'append quux'

# cheat a bit...
mv .hg/patches .hg/patches2
hg ci -m 'append quux'
mv .hg/patches2 .hg/patches

echo '% qpop/qrefresh on the wrong revision'
hg qpop
hg qpop -n patches 2>&1 | sed -e 's/\(using patch queue:\).*/\1/'
hg qrefresh

hg up -C qtip
echo '% qpop'
hg qpop

echo '% qrefresh'
hg qrefresh

echo '% tip:'
hg tip --template '{rev} {desc}\n'

echo '% qpush warning branchheads'
cd ..
hg init branchy
cd branchy
echo q > q
hg add q
hg qnew -f qp
hg qpop
echo a > a
hg ci -Ama
hg up null
hg branch b
echo c > c
hg ci -Amc
hg merge default
hg ci -mmerge
hg up default
hg log
hg qpush