From f06590a642b93d10559aa8be84200bc58d2bdeba Mon Sep 17 00:00:00 2001
From: Thomas David Baker <bakert@gmail.com>
Date: Tue, 26 Nov 2024 11:32:43 -0800
Subject: [PATCH] Handle a detatched head state when looking for git hash

---
 gatherling/bootstrap.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/gatherling/bootstrap.php b/gatherling/bootstrap.php
index d0f4d6aa5..38e6b2924 100644
--- a/gatherling/bootstrap.php
+++ b/gatherling/bootstrap.php
@@ -24,8 +24,13 @@
 $CONFIG['GIT_HASH'] = null;
 if (file_exists('../.git/HEAD')) {
     $branch = trim(substr(file_get_contents('../.git/HEAD'), 5));
-    if ($hash = file_get_contents(sprintf('../.git/%s', $branch))) {
-        $CONFIG['GIT_HASH'] = $hash;
+    $hash_file = sprintf('../.git/%s', $branch);
+    if (file_exists($hash_file)) {
+    // On a branch, get the hash
+        $CONFIG['GIT_HASH'] = file_get_contents($hash_file);
+    } else {
+        // On a detached HEAD, just use the branch name
+        $CONFIG['GIT_HASH'] = $branch;
     }
 }