#!/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'