1 files changed, 69 insertions, 0 deletions
diff --git a/t/t8010-cat-file-filters.sh b/t/t8010-cat-file-filters.sh
new file mode 100755
index 000000000000..31de4b64dc06
--- /dev/null
+++ b/t/t8010-cat-file-filters.sh
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+test_description='git cat-file filters support'
+. ./test-lib.sh
+
+test_expect_success 'setup ' '
+	echo "*.txt eol=crlf diff=txt" >.gitattributes &&
+	echo "hello" | append_cr >world.txt &&
+	git add .gitattributes world.txt &&
+	test_tick &&
+	git commit -m "Initial commit"
+'
+
+has_cr () {
+	tr '\015' Q <"$1" | grep Q >/dev/null
+}
+
+test_expect_success 'no filters with `git show`' '
+	git show HEAD:world.txt >actual &&
+	! has_cr actual
+
+'
+
+test_expect_success 'no filters with cat-file' '
+	git cat-file blob HEAD:world.txt >actual &&
+	! has_cr actual
+'
+
+test_expect_success 'cat-file --filters converts to worktree version' '
+	git cat-file --filters HEAD:world.txt >actual &&
+	has_cr actual
+'
+
+test_expect_success 'cat-file --filters --path=<path> works' '
+	sha1=$(git rev-parse -q --verify HEAD:world.txt) &&
+	git cat-file --filters --path=world.txt $sha1 >actual &&
+	has_cr actual
+'
+
+test_expect_success 'cat-file --textconv --path=<path> works' '
+	sha1=$(git rev-parse -q --verify HEAD:world.txt) &&
+	test_config diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <" &&
+	git cat-file --textconv --path=hello.txt $sha1 >rot13 &&
+	test uryyb = "$(cat rot13 | remove_cr)"
+'
+
+test_expect_success '--path=<path> complains without --textconv/--filters' '
+	sha1=$(git rev-parse -q --verify HEAD:world.txt) &&
+	test_must_fail git cat-file --path=hello.txt blob $sha1 >actual 2>err &&
+	test_must_be_empty actual &&
+	grep "path.*needs.*filters" err
+'
+
+test_expect_success '--textconv/--filters complain without path' '
+	test_must_fail git cat-file --textconv HEAD &&
+	test_must_fail git cat-file --filters HEAD
+'
+
+test_expect_success 'cat-file --textconv --batch works' '
+	sha1=$(git rev-parse -q --verify HEAD:world.txt) &&
+	test_config diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <" &&
+	printf "%s hello.txt\n%s hello\n" $sha1 $sha1 |
+	git cat-file --textconv --batch >actual &&
+	printf "%s blob 6\nuryyb\r\n\n%s blob 6\nhello\n\n" \
+		$sha1 $sha1 >expect &&
+	test_cmp expect actual
+'
+
+test_done