From b67ee6e861903abb04e9024d605dfc7b00922633 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Sun, 6 Nov 2022 06:16:13 +0200
Subject: [PATCH] lib/trivial: fix 'error: cannot decode virtual path
 '/nix/store/virtual0000000000000000000000005-source''

happens on lazy-trees branch of Nix (NixOS/nix#6530)
---
 lib/trivial.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/trivial.nix b/lib/trivial.nix
index 5d4fad8266bc..8f2023caaf8e 100644
--- a/lib/trivial.nix
+++ b/lib/trivial.nix
@@ -213,8 +213,8 @@ rec {
     # Default value to return if revision can not be determined
     default:
     let
-      revisionFile = "${toString ./..}/.git-revision";
-      gitRepo      = "${toString ./..}/.git";
+      revisionFile = ./.. + "/.git-revision";
+      gitRepo      = ./.. + "/.git";
     in if lib.pathIsGitRepo gitRepo
        then lib.commitIdFromGitRepo gitRepo
        else if lib.pathExists revisionFile then lib.fileContents revisionFile