From f39a0064f8eb701e2cc673f443913f263ac3342f Mon Sep 17 00:00:00 2001
From: Heikki Hokkanen <hoxu@users.sf.net>
Date: Thu, 26 Jun 2008 20:36:59 +0300
Subject: [PATCH] tree: added a "browse at HEAD" link.

---
 doc/TODO          |  4 ----
 inc/functions.php | 10 ++++++++--
 index.php         |  6 +++---
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/doc/TODO b/doc/TODO
index 9d342e9..1573b70 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -1,9 +1,5 @@
 - bundle about page that says what the software is and where to download it
 
-- should be possible to link to a path at HEAD without the need for a tree hash
-	- tree: "Browse this tree at HEAD" -link
-	- index.php/tree: if 'h' is not set but 'hb' = HEAD, walk the tree using 'f'
-
 [Milestones]
 - Public Launch (0.0.1?)
 	- a public demo
diff --git a/inc/functions.php b/inc/functions.php
index 49b5e4c..33c84b2 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -153,10 +153,16 @@ function git_get_heads($project)
  * Get array containing path information for parts, starting from root_hash.
  *
  * @param root_hash commit/tree hash for the root tree
- * @param parts array of path fragments
+ * @param path path
  */
-function git_get_path_info($project, $root_hash, $parts)
+function git_get_path_info($project, $root_hash, $path)
 {
+	if (strlen($path) > 0) {
+		$parts = explode('/', $path);
+	} else {
+		$parts = array();
+	}
+
 	$pathinfo = array();
 
 	$tid = $root_hash;
diff --git a/index.php b/index.php
index 9635a4d..e2dab2a 100644
--- a/index.php
+++ b/index.php
@@ -310,10 +310,10 @@ elseif ($action === 'tree') {
 	}
 
 	// get path info for the header
-	$page['pathinfo'] = git_get_path_info($page['project'], $page['commit_id'], explode('/', $page['path']));
+	$page['pathinfo'] = git_get_path_info($page['project'], $page['commit_id'], $page['path']);
 	if (!isset($page['tree_id'])) {
 		// Take the last hash from the tree
-		if (count($page['pathinfo']) > 1) {
+		if (count($page['pathinfo']) > 0) {
 			$page['tree_id'] = $page['pathinfo'][count($page['pathinfo']) - 1]['hash'];
 		} else {
 			$page['tree_id'] = 'HEAD';
@@ -350,7 +350,7 @@ elseif ($action === 'viewblob') {
 	$page['commit_id'] = $info['h'];
 	$page['tree_id'] = $info['tree'];
 
-	$page['pathinfo'] = git_get_path_info($page['project'], $page['commit_id'], explode('/', $page['path']));
+	$page['pathinfo'] = git_get_path_info($page['project'], $page['commit_id'], $page['path']);
 
 	$page['data'] = join("\n", run_git($page['project'], "git cat-file blob $page[hash]"));
 
-- 
2.11.4.GIT