Add mechanism to skip the skipif cache

If the SKIPIF section return nocache, don't cache the result. This
is used by tests that perform complex test set in conjunction with
skip checks, and need to be evaluated every time.

1 files changed, 3 insertions, 1 deletions

diff --git a/run-tests.php b/run-tests.php
index 7a66370c39..a44a90bb7c 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -3749,7 +3749,9 @@ class SkipCache
 
         save_text($checkFile, $code, $tempFile);
         $result = trim(system_with_timeout("$php \"$checkFile\"", $env));
-        $this->skips[$key][$code] = $result;
+        if (strpos($result, 'nocache') === false) {
+            $this->skips[$key][$code] = $result;
+        }
         $this->misses++;
 
         if (!$this->keepFile) {