#!/bin/sh

hg init t
cd t
hg branches

echo foo > a
hg add a
hg ci -m "initial" -d "1000000 0"
hg branch foo
hg branch
hg ci -m "add branch name" -d "1000000 0"
hg branch bar
hg ci -m "change branch name" -d "1000000 0"
hg branch ""
hg ci -m "clear branch name" -d "1000000 0"

hg co foo
hg branch
echo bleah > a
hg ci -m "modify a branch" -d "1000000 0"

hg merge
hg branch
hg ci -m "merge" -d "1000000 0"
hg log

hg branches
hg branches -q

echo % test for invalid branch cache
hg rollback
cp .hg/branches.cache .hg/bc-invalid
hg log -r foo
cp .hg/bc-invalid .hg/branches.cache
hg --debug log -r foo
rm .hg/branches.cache
echo corrupted > .hg/branches.cache
hg log -qr foo
cat .hg/branches.cache