From 5703cc861f631bffbdd6fb8797e9e5dcd3ea7c87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pedro=20J=2E=20Est=C3=A9banez?= <pedrojrulez@gmail.com>
Date: Mon, 9 Jan 2023 17:36:22 +0100
Subject: [PATCH] Support Git worktrees in generation of hash header

(cherry picked from commit 078ab7fe05dcf139b7f943937c602b2c9dbdc8e2)
---
 methods.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/methods.py b/methods.py
index d5a576b900b..2873b760b7d 100644
--- a/methods.py
+++ b/methods.py
@@ -121,6 +121,10 @@ def get_version_info(module_version_string="", silent=False):
         head = open_utf8(os.path.join(gitfolder, "HEAD"), "r").readline().strip()
         if head.startswith("ref: "):
             ref = head[5:]
+            # If this directory is a Git worktree instead of a root clone.
+            parts = gitfolder.split("/")
+            if len(parts) > 2 and parts[-2] == "worktrees":
+                gitfolder = "/".join(parts[0:-2])
             head = os.path.join(gitfolder, ref)
             packedrefs = os.path.join(gitfolder, "packed-refs")
             if os.path.isfile(head):