From ce4cfdce2ceefb0fcee4d1eb9369f89261a2af70 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Thu, 27 Oct 2022 22:20:37 +0200
Subject: [PATCH] home-environment: make getVersion more robust

(cherry picked from commit f67649307d4f81d8fbac68c19d1d1c564ab26dca)
---
 modules/home-environment.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/modules/home-environment.nix b/modules/home-environment.nix
index dfbcbdc6..63668102 100644
--- a/modules/home-environment.nix
+++ b/modules/home-environment.nix
@@ -680,7 +680,15 @@ in
         getVersion = pkgs.writeShellScript "get-hm-version" ''
           set -euo pipefail
 
-          cd "${../.}" || exit 1
+          dir="${../.}"
+
+          # Apparently, dir is not always set to the Home Manager directory.
+          if [[ ! -d $dir ]]; then
+            echo ""
+            exit 0
+          fi
+
+          cd "$dir" || exit 1
 
           # Get the base release and initialize an empty version suffix.
           release=$(< .release)