Generate a build timestamp via Git, if possible

skylerjohnson80 · Dec 12, 2010 · 0b4a875 · 0b4a875
1 parent 3d60b8b
commit 0b4a875
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Showing 2 changed files with 36 additions and 2 deletions.
diff --git a/SimplePie/Core.php b/SimplePie/Core.php
@@ -55,9 +55,9 @@
 
 /**
  * SimplePie Build
- * @todo Hardcode for release (there's no need to have to call SimplePie_Misc::parse_date() only every load of simplepie.inc)
+ * @todo Hardcode for release (there's no need to have to call SimplePie_Misc::get_build() only every load of simplepie.inc)
  */
-define('SIMPLEPIE_BUILD', gmdate('YmdHis', filemtime(__FILE__)));
+define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::get_build()));
 
 /**
  * SimplePie Website URL

diff --git a/SimplePie/Misc.php b/SimplePie/Misc.php
@@ -2248,5 +2248,39 @@ function embed_wmedia(width, height, link) {
 }
 		<?php
 	}
+
+	/**
+	 * Get the SimplePie build timestamp
+	 *
+	 * Uses the git index if it exists, otherwise uses the modification time
+	 * of the newest file.
+	 */
+	public static function get_build()
+	{
+		$root = dirname(dirname(__FILE__));
+		if (file_exists($root . '/.git/index'))
+		{
+			return filemtime($root . '/.git/index');
+		}
+		elseif (file_exists($root . '/SimplePie'))
+		{
+			$time = 0;
+			foreach (glob($root . '/SimplePie/*.php') as $file) {
+				if (($mtime = filemtime($file)) > $time)
+				{
+					$time = $mtime;
+				}
+			}
+			return $time;
+		}
+		elseif (file_exists(dirname(__FILE__) . '/Core.php'))
+		{
+			return filemtime(dirname(__FILE__) . '/Core.php');
+		}
+		else
+		{
+			return filemtime(__FILE__);
+		}
+	}
 }