MDL-42842 testing: Generalization of the site info

2013-11-20 13:50:05 +08:00
parent b3f2d75a47
commit 378d11db3e
2 changed files with 70 additions and 57 deletions
@@ -607,6 +607,75 @@ abstract class testing_util {
        cache_helper::purge_all();
    }

+    /**
+     * Gets a text-based site version description.
+     *
+     * @return string The site info
+     */
+    public static function get_site_info() {
+        global $CFG;
+
+        $output = '';
+
+        // All developers have to understand English, do not localise!
+
+        $release = null;
+        require("$CFG->dirroot/version.php");
+
+        $output .= "Moodle $release, $CFG->dbtype";
+        if ($hash = self::get_git_hash()) {
+            $output .= ", $hash";
+        }
+        $output .= "\n";
+
+        return $output;
+    }
+
+    /**
+     * Try to get current git hash of the Moodle in $CFG->dirroot.
+     * @return string null if unknown, sha1 hash if known
+     */
+    public static function get_git_hash() {
+        global $CFG;
+
+        // This is a bit naive, but it should mostly work for all platforms.
+
+        if (!file_exists("$CFG->dirroot/.git/HEAD")) {
+            return null;
+        }
+
+        $ref = file_get_contents("$CFG->dirroot/.git/HEAD");
+        if ($ref === false) {
+            return null;
+        }
+
+        $ref = trim($ref);
+
+        if (strpos($ref, 'ref: ') !== 0) {
+            return null;
+        }
+
+        $ref = substr($ref, 5);
+
+        if (!file_exists("$CFG->dirroot/.git/$ref")) {
+            return null;
+        }
+
+        $hash = file_get_contents("$CFG->dirroot/.git/$ref");
+
+        if ($hash === false) {
+            return null;
+        }
+
+        $hash = trim($hash);
+
+        if (strlen($hash) != 40) {
+            return null;
+        }
+
+        return $hash;
+    }
+
    /**
     * Drop the whole test database
     * @static