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-rwxr-xr-xt/t4020-diff-external.sh66
1 files changed, 63 insertions, 3 deletions
diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh
index 637b4e19d5..083f62d1d6 100755
--- a/t/t4020-diff-external.sh
+++ b/t/t4020-diff-external.sh
@@ -4,8 +4,6 @@ test_description='external diff interface test'
. ./test-lib.sh
-_z40=0000000000000000000000000000000000000000
-
test_expect_success setup '
test_tick &&
@@ -43,6 +41,13 @@ test_expect_success 'GIT_EXTERNAL_DIFF environment should apply only to diff' '
'
+test_expect_success 'GIT_EXTERNAL_DIFF environment and --no-ext-diff' '
+
+ GIT_EXTERNAL_DIFF=echo git diff --no-ext-diff |
+ grep "^diff --git a/file b/file"
+
+'
+
test_expect_success 'diff attribute' '
git config diff.parrot.command echo &&
@@ -68,6 +73,13 @@ test_expect_success 'diff attribute should apply only to diff' '
'
+test_expect_success 'diff attribute and --no-ext-diff' '
+
+ git diff --no-ext-diff |
+ grep "^diff --git a/file b/file"
+
+'
+
test_expect_success 'diff attribute' '
git config --unset diff.parrot.command &&
@@ -94,6 +106,13 @@ test_expect_success 'diff attribute should apply only to diff' '
'
+test_expect_success 'diff attribute and --no-ext-diff' '
+
+ git diff --no-ext-diff |
+ grep "^diff --git a/file b/file"
+
+'
+
test_expect_success 'no diff with -diff' '
echo >.gitattributes "file -diff" &&
git diff | grep Binary
@@ -104,7 +123,48 @@ echo NULZbetweenZwords | perl -pe 'y/Z/\000/' > file
test_expect_success 'force diff with "diff"' '
echo >.gitattributes "file diff" &&
git diff >actual &&
- test_cmp ../t4020/diff.NUL actual
+ test_cmp "$TEST_DIRECTORY"/t4020/diff.NUL actual
+'
+
+test_expect_success 'GIT_EXTERNAL_DIFF with more than one changed files' '
+ echo anotherfile > file2 &&
+ git add file2 &&
+ git commit -m "added 2nd file" &&
+ echo modified >file2 &&
+ GIT_EXTERNAL_DIFF=echo git diff
+'
+
+test_expect_success 'GIT_EXTERNAL_DIFF generates pretty paths' '
+ touch file.ext &&
+ git add file.ext &&
+ echo with extension > file.ext &&
+ GIT_EXTERNAL_DIFF=echo git diff file.ext | grep ......_file\.ext &&
+ git update-index --force-remove file.ext &&
+ rm file.ext
+'
+
+echo "#!$SHELL_PATH" >fake-diff.sh
+cat >> fake-diff.sh <<\EOF
+cat $2 >> crlfed.txt
+EOF
+chmod a+x fake-diff.sh
+
+keep_only_cr () {
+ tr -dc '\015'
+}
+
+test_expect_success 'external diff with autocrlf = true' '
+ git config core.autocrlf true &&
+ GIT_EXTERNAL_DIFF=./fake-diff.sh git diff &&
+ test $(wc -l < crlfed.txt) = $(cat crlfed.txt | keep_only_cr | wc -c)
+'
+
+test_expect_success 'diff --cached' '
+ git add file &&
+ git update-index --assume-unchanged file &&
+ echo second >file &&
+ git diff --cached >actual &&
+ test_cmp "$TEST_DIRECTORY"/t4020/diff.NUL actual
'
test_done