#!/bin/sh

hgcommit() {
    hg commit -u user -d '0 0' "$@"
}

hg init clhead
cd clhead


touch foo && hg add && hgcommit -m 'foo'
touch bar && hg add && hgcommit -m 'bar'
touch baz && hg add && hgcommit -m 'baz'

echo "flub" > foo
hgcommit -m "flub"
echo "nub" > foo
hgcommit -m "nub"

hg up -C 2

echo "c1" > c1
hg add c1
hgcommit -m "c1"
echo "c2" > c1
hgcommit -m "c2"

hg up -C 2

echo "d1" > d1
hg add d1
hgcommit -m "d1"
echo "d2" > d1
hgcommit -m "d2"
hg tag -l good

echo '% fail with three heads'
hg up -C good
hg merge

echo '% close one of the heads'
hg up -C 6
hgcommit -m 'close this head' --close-branch

echo '% succeed with two open heads'
hg up -C good
hg up -C good
hg merge
hgcommit -m 'merged heads'