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 calc_patch_id () {
  22         git patch-id |
  23                 sed "s# .*##" > patch-id_"$1"
  24 }
  25
  26 get_patch_id () {
  27         git log -p -1 "$1" | git patch-id |
  28                 sed "s# .*##" > patch-id_"$1"
  29 }
  30
  31 test_expect_success 'patch-id detects equality' '
  32         get_patch_id master &&
  33         get_patch_id same &&
  34         test_cmp patch-id_master patch-id_same
  35 '
  36
  37 test_expect_success 'patch-id detects inequality' '
  38         get_patch_id master &&
  39         get_patch_id notsame &&
  40         ! test_cmp patch-id_master patch-id_notsame
  41 '
  42
  43 test_expect_success 'patch-id supports git-format-patch output' '
  44         get_patch_id master &&
  45         git checkout same &&
  46         git format-patch -1 --stdout | calc_patch_id same &&
  47         test_cmp patch-id_master patch-id_same &&
  48         set $(git format-patch -1 --stdout | git patch-id) &&
  49         test "$2" = $(git rev-parse HEAD)
  50 '
  51
  52 test_expect_success 'whitespace is irrelevant in footer' '
  53         get_patch_id master &&
  54         git checkout same &&
  55         git format-patch -1 --stdout | sed "s/ \$//" | calc_patch_id same &&
  56         test_cmp patch-id_master patch-id_same
  57 '
  58
  59 test_expect_success 'patch-id supports git-format-patch MIME output' '
  60         get_patch_id master &&
  61         git checkout same &&
  62         git format-patch -1 --attach --stdout | calc_patch_id same &&
  63         test_cmp patch-id_master patch-id_same
  64 '
  65
  66 cat >nonl <<\EOF
  67 diff --git i/a w/a
  68 index e69de29..2e65efe 100644
  69 --- i/a
  70 +++ w/a
  71 @@ -0,0 +1 @@
  72 +a
  73 \ No newline at end of file
  74 diff --git i/b w/b
  75 index e69de29..6178079 100644
  76 --- i/b
  77 +++ w/b
  78 @@ -0,0 +1 @@
  79 +b
  80 EOF
  81
  82 cat >withnl <<\EOF
  83 diff --git i/a w/a
  84 index e69de29..7898192 100644
  85 --- i/a
  86 +++ w/a
  87 @@ -0,0 +1 @@
  88 +a
  89 diff --git i/b w/b
  90 index e69de29..6178079 100644
  91 --- i/b
  92 +++ w/b
  93 @@ -0,0 +1 @@
  94 +b
  95 EOF
  96
  97 test_expect_success 'patch-id handles no-nl-at-eof markers' '
  98         cat nonl | calc_patch_id nonl &&
  99         cat withnl | calc_patch_id withnl &&
 100         test_cmp patch-id_nonl patch-id_withnl
 101 '
 102 test_done