1#!/bin/sh23test_description='checkout switching away from an invalid branch'45. ./test-lib.sh67test_expect_success 'setup' '8echo hello >world &&9git add world &&10git commit -m initial11'1213test_expect_success 'checkout master from invalid HEAD' '14echo 0000000000000000000000000000000000000000 >.git/HEAD &&15git checkout master --16'1718test_done