From f2f010e8ab54e9f410ebb8b3287fb46a6b650178 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Fri, 23 Sep 2022 10:16:23 +0200
Subject: [PATCH] home-manager: add target to generated configuration

When we detect that the installation is on a non-NixOS GNU/Linux
distribution then we enable the generic Linux module.
---
 home-manager/install.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/home-manager/install.nix b/home-manager/install.nix
index f69508a8..45073b63 100644
--- a/home-manager/install.nix
+++ b/home-manager/install.nix
@@ -36,6 +36,12 @@ in runCommand "home-manager-install" {
         xdgVars="$xdgVars  xdg.stateHome = \"$XDG_STATE_HOME\";$nl"
       fi
 
+      if [[ $OSTYPE == linux-* && ! -e /etc/NIXOS ]]; then
+        target=$'\n  targets.genericLinux.enable = true;\n'
+      else
+        target=""
+      fi
+
       mkdir -p "$(dirname "$confFile")"
       cat > $confFile <<EOF
     { config, pkgs, ... }:
@@ -58,7 +64,7 @@ in runCommand "home-manager-install" {
 
       # Let Home Manager install and manage itself.
       programs.home-manager.enable = true;
-    }
+    $target}
     EOF
     fi