httpdocs/index.php: accept commit hash, too

1 files changed, 10 insertions, 3 deletions

diff --git a/httpdocs/index.php b/httpdocs/index.php
index 4f11f49..3295c38 100644
--- a/httpdocs/index.php
+++ b/httpdocs/index.php
@@ -18,11 +18,18 @@ if (isset($_GET['r'])) {
     if (base64_decode($_GET['tag'],true)===false)
       $_GET['tag'] = base64_encode($_GET['tag']);
 
-    $handle = popen(
-      'git -C "../work/repositories/' . $_GET['r'] . '" archive "$(' .
+    $commit_identifier = '$(' .
         'echo "' . $_GET['tag'] . '" | ' .
           'base64 -d' .
-      ')" | ' .
+      ')';
+  } elseif (isset($_GET['commit'])) {
+    if (preg_match('/^[a-f0-9]{40}$/', $_GET['commit']))
+      $commit_identifier = $_GET['commit'];
+  }
+
+  if (isset($commit_identifier)) {
+    $handle = popen(
+      'git -C "../work/repositories/' . $_GET['r'] . '" archive "' . $commit_identifier . '" | ' .
       'gzip -nc',
       'r'
     );