status: preload index to optimize lstat(2) calls
[git] / t / t4204-patch-id.sh
1 #!/bin/sh
2
3 test_description='git patch-id'
4
5 . ./test-lib.sh
6
7 test_expect_success 'setup' '
8         test_commit initial foo a &&
9         test_commit first foo b &&
10         git checkout -b same HEAD^ &&
11         test_commit same-msg foo b &&
12         git checkout -b notsame HEAD^ &&
13         test_commit notsame-msg foo c
14 '
15
16 test_expect_success 'patch-id output is well-formed' '
17         git log -p -1 | git patch-id > output &&
18         grep "^[a-f0-9]\{40\} $(git rev-parse HEAD)$" output
19 '
20
21 get_patch_id () {
22         git log -p -1 "$1" | git patch-id |
23                 sed "s# .*##" > patch-id_"$1"
24 }
25
26 test_expect_success 'patch-id detects equality' '
27         get_patch_id master &&
28         get_patch_id same &&
29         test_cmp patch-id_master patch-id_same
30 '
31
32 test_expect_success 'patch-id detects inequality' '
33         get_patch_id master &&
34         get_patch_id notsame &&
35         ! test_cmp patch-id_master patch-id_notsame
36 '
37
38 test_done