From 59c7dac8675d4fd0ba607d9380a972b46d7804b6 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 12 Jun 2025 15:54:34 +0200
Subject: [PATCH] Git fetcher: Do not consider a null revision (i.e. workdir)
 to be locked

---
 src/libfetchers/git.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libfetchers/git.cc b/src/libfetchers/git.cc
index f7e4894fc..cf255c001 100644
--- a/src/libfetchers/git.cc
+++ b/src/libfetchers/git.cc
@@ -883,7 +883,8 @@ struct GitInputScheme : InputScheme
 
     bool isLocked(const Input & input) const override
     {
-        return (bool) input.getRev();
+        auto rev = input.getRev();
+        return rev && rev != nullRev;
     }
 };