Branch heads should not include "heads" that are ancestors of other heads.
For example, given 1 (branch a) -> 2 (branch b) -> 3 (branch a)
I expect "hg heads a" to show only 3.
Discovered by running hg heads HEAD on the mutt repo, where older clients
committed default on top of HEAD.
#!/bin/sh
echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH
hg init mq
cd mq
echo a > a
hg ci -Ama
echo '% qnew should refuse bad patch names'
hg qnew series
hg qnew status
hg qnew guards
hg qnew .hgignore
hg qinit -c
echo '% qnew with uncommitted changes'
echo a > somefile
hg add somefile
hg qnew uncommitted.patch
hg st
hg qseries
hg revert --no-backup somefile
rm somefile
echo '% qnew implies add'
hg qnew test.patch
hg -R .hg/patches st
echo '% qnew missing'
hg qnew missing.patch missing
echo '% qnew -m'
hg qnew -m 'foo bar' mtest.patch
cat .hg/patches/mtest.patch
echo '% qnew twice'
hg qnew first.patch
hg qnew first.patch
touch ../first.patch
hg qimport ../first.patch
echo '% qnew -f from a subdirectory'
hg qpop -a
mkdir d
cd d
echo b > b
hg ci -Am t
echo b >> b
hg st
hg qnew -g -f p
cat ../.hg/patches/p