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|
#!/bin/sh
test_description='external diff interface test'
. ./test-lib.sh
_z40=0000000000000000000000000000000000000000
test_expect_success setup '
test_tick &&
echo initial >file &&
git add file &&
git commit -m initial &&
test_tick &&
echo second >file &&
git add file &&
git commit -m second &&
test_tick &&
echo third >file
'
test_expect_success 'GIT_EXTERNAL_DIFF environment' '
GIT_EXTERNAL_DIFF=echo git diff | {
read path oldfile oldhex oldmode newfile newhex newmode &&
test "z$path" = zfile &&
test "z$oldmode" = z100644 &&
test "z$newhex" = "z$_z40" &&
test "z$newmode" = z100644 &&
oh=$(git rev-parse --verify HEAD:file) &&
test "z$oh" = "z$oldhex"
}
'
test_expect_success 'GIT_EXTERNAL_DIFF environment should apply only to diff' '
GIT_EXTERNAL_DIFF=echo git log -p -1 HEAD |
grep "^diff --git a/file b/file"
'
test_expect_success 'diff attribute' '
git config diff.parrot.command echo &&
echo >.gitattributes "file diff=parrot" &&
git diff | {
read path oldfile oldhex oldmode newfile newhex newmode &&
test "z$path" = zfile &&
test "z$oldmode" = z100644 &&
test "z$newhex" = "z$_z40" &&
test "z$newmode" = z100644 &&
oh=$(git rev-parse --verify HEAD:file) &&
test "z$oh" = "z$oldhex"
}
'
test_expect_success 'diff attribute should apply only to diff' '
git log -p -1 HEAD |
grep "^diff --git a/file b/file"
'
test_expect_success 'diff attribute' '
git config --unset diff.parrot.command &&
git config diff.color.command echo &&
echo >.gitattributes "file diff=color" &&
git diff | {
read path oldfile oldhex oldmode newfile newhex newmode &&
test "z$path" = zfile &&
test "z$oldmode" = z100644 &&
test "z$newhex" = "z$_z40" &&
test "z$newmode" = z100644 &&
oh=$(git rev-parse --verify HEAD:file) &&
test "z$oh" = "z$oldhex"
}
'
test_expect_success 'diff attribute should apply only to diff' '
git log -p -1 HEAD |
grep "^diff --git a/file b/file"
'
test_expect_success 'no diff with -diff' '
echo >.gitattributes "file -diff" &&
git diff | grep Binary
'
echo NULZbetweenZwords | perl -pe 'y/Z/\000/' > file
test_expect_success 'force diff with "diff"' '
echo >.gitattributes "file diff" &&
git diff >actual &&
test_cmp "$TEST_DIRECTORY"/t4020/diff.NUL actual
'
test_done
|
