view tests/test-issue672 @ 8954:e67e5b60e55f

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

# 0-2-4
#  \ \ \
#   1-3-5
#
# rename in #1, content change in #4.

hg init t
cd t

touch 1
touch 2
hg commit -Am init  # 0

hg rename 1 1a
hg commit -m rename # 1

hg co -C 0
echo unrelated >> 2
hg ci -m unrelated1 # 2

hg merge --debug 1
hg ci -m merge1 # 3

hg co -C 2
echo hello >> 1
hg ci -m unrelated2 # 4

hg co -C 3
hg merge -y --debug 4

hg co -C 4
hg merge -y --debug 3