3 test_description='external diff interface test'
7 _z40=0000000000000000000000000000000000000000
9 test_expect_success setup '
14 git commit -m initial &&
19 git commit -m second &&
25 test_expect_success 'GIT_EXTERNAL_DIFF environment' '
27 GIT_EXTERNAL_DIFF=echo git diff | {
28 read path oldfile oldhex oldmode newfile newhex newmode &&
29 test "z$path" = zfile &&
30 test "z$oldmode" = z100644 &&
31 test "z$newhex" = "z$_z40" &&
32 test "z$newmode" = z100644 &&
33 oh=$(git rev-parse --verify HEAD:file) &&
34 test "z$oh" = "z$oldhex"
39 test_expect_success 'GIT_EXTERNAL_DIFF environment should apply only to diff' '
41 GIT_EXTERNAL_DIFF=echo git log -p -1 HEAD |
42 grep "^diff --git a/file b/file"
46 test_expect_success 'diff attribute' '
48 git config diff.parrot.command echo &&
50 echo >.gitattributes "file diff=parrot" &&
53 read path oldfile oldhex oldmode newfile newhex newmode &&
54 test "z$path" = zfile &&
55 test "z$oldmode" = z100644 &&
56 test "z$newhex" = "z$_z40" &&
57 test "z$newmode" = z100644 &&
58 oh=$(git rev-parse --verify HEAD:file) &&
59 test "z$oh" = "z$oldhex"
64 test_expect_success 'diff attribute should apply only to diff' '
67 grep "^diff --git a/file b/file"
71 test_expect_success 'diff attribute' '
73 git config --unset diff.parrot.command &&
74 git config diff.color.command echo &&
76 echo >.gitattributes "file diff=color" &&
79 read path oldfile oldhex oldmode newfile newhex newmode &&
80 test "z$path" = zfile &&
81 test "z$oldmode" = z100644 &&
82 test "z$newhex" = "z$_z40" &&
83 test "z$newmode" = z100644 &&
84 oh=$(git rev-parse --verify HEAD:file) &&
85 test "z$oh" = "z$oldhex"
90 test_expect_success 'diff attribute should apply only to diff' '
93 grep "^diff --git a/file b/file"