Limit rawdiff to the requested path

The diff and patch pages honour the path in the url, which the
parameter table documents for every page, but rawdiff never handed it
to git and answered with the whole diff.

1 file changed, 9 insertions, 0 deletions

diff --git a/tests/t0108-rawdiff.sh b/tests/t0108-rawdiff.sh
index 7753bdb..f68628a 100755
--- a/tests/t0108-rawdiff.sh
+++ b/tests/t0108-rawdiff.sh
@@ -46,4 +46,13 @@ test_expect_success 'compare with output of git-diff(1)' '
 	cmp tmp_ tmp2
 '
 
+test_expect_success 'a path limits the diff to that file' '
+	cgit_query "url=foo/rawdiff/file-4&id=$id&id2=$id2" >tmp &&
+	git --git-dir="$PWD/repos/foo/.git" diff HEAD~3..HEAD -- file-4 >tmp2 &&
+	strip_headers <tmp >tmp_ &&
+	cmp tmp_ tmp2 &&
+	grep "file-4" tmp_ &&
+	! grep "file-5" tmp_
+'
+
 test_done