#!/bin/sh

echo '[extensions]' >> $HGRCPATH

echo 'hgext.mq=' >> $HGRCPATH

show_branch_cache()

{

    branches=.hg/branch.cache

    # force cache (re)generation

    hg log -r does-not-exist 2> /dev/null

    hg log -r tip --template 'tip: #rev#\n'

    if [ -f $branches ]; then

	sort $branches

    else

	echo No $branches

    fi

    if [ "$1" = 1 ]; then

	for b in foo bar; do

	    hg log -r $b --template "branch $b: "'#rev#\n'

	done

    fi

}

hg init a

cd a

hg qinit -c

echo '# mq patch on an empty repo'

hg qnew p1

show_branch_cache

echo > pfile

hg add pfile

hg qrefresh -m 'patch 1'

show_branch_cache

echo

echo '# some regular revisions'

hg qpop

echo foo > foo

hg add foo

echo foo > .hg/branch

hg ci -m 'branch foo' -d '1000000 0'

echo bar > bar

hg add bar

echo bar > .hg/branch

hg ci -m 'branch bar' -d '1000000 0'

show_branch_cache

echo

echo '# add some mq patches'

hg qpush

show_branch_cache

hg qnew p2

echo foo > .hg/branch

echo foo2 >> foo

hg qrefresh -m 'patch 2'

show_branch_cache 1

echo

echo '# removing the cache'

rm .hg/branch.cache

show_branch_cache 1

echo

echo '# importing rev 1 (the cache now ends in one of the patches)'

hg qimport -r 1 -n p0

show_branch_cache 1

hg log -r qbase --template 'qbase: #rev#\n'

echo

echo '# detect an invalid cache'

hg qpop -a

hg qpush -a

show_branch_cache