d444d5ee417220e8428543a6c76d5839ce91b979
1#!/bin/sh
2
3test_description='checkout switching away from an invalid branch'
4
5. ./test-lib.sh
6
7test_expect_success 'setup' '
8 echo hello >world &&
9 git add world &&
10 git commit -m initial
11'
12
13test_expect_success 'checkout should not start branch from a tree' '
14 test_must_fail git checkout -b newbranch master^{tree}
15'
16
17test_expect_success 'checkout master from invalid HEAD' '
18 echo $_z40 >.git/HEAD &&
19 git checkout master --
20'
21
22test_expect_success 'checkout notices failure to lock HEAD' '
23 test_when_finished "rm -f .git/HEAD.lock" &&
24 >.git/HEAD.lock &&
25 test_must_fail git checkout -b other
26'
27
28test_done