1 file changed, 21 insertions, 0 deletions
diff --git a/tests/t0003-cache.sh b/tests/t0003-cache.sh
index e63efa0..fa72015 100755
--- a/tests/t0003-cache.sh
+++ b/tests/t0003-cache.sh
@@ -434,4 +434,25 @@ test_expect_success 'a config that scans differently keeps its own list' '
 	! grep ">two</a>" strict.out
 '
 
+# A negative ttl never expires, so a list however old is served and kept. A
+# rebuild runs in a child holding the request's copy of fd 9, so cat reaching
+# the end of that pipe means any rebuild is done, as the positive ttl after
+# it shows.
+test_expect_success 'a negative cache-scan-ttl never expires the list' '
+	{
+		echo "cache-scan-ttl=-1" &&
+		cat scanrc
+	} >foreverrc &&
+	{
+		echo "repo.url=kept" &&
+		echo "repo.path=$PWD/scanned/one/.git"
+	} >>"cache5/$scanned_rc" &&
+	touch -t 200001010000 "cache5/$scanned_rc" &&
+	cgit_rc foreverrc "url=" 9>&1 >forever.out | cat &&
+	grep ">kept</a>" forever.out &&
+	grep "^repo.url=kept$" "cache5/$scanned_rc" &&
+	cgit_rc scanrc "url=" 9>&1 >/dev/null | cat &&
+	! grep "^repo.url=kept$" "cache5/$scanned_rc"
+'
+
 test_done