From 0eaf46a1dc961216016a886818ac2a66c14c74e6 Mon Sep 17 00:00:00 2001
From: pennae <github@quasiparticle.net>
Date: Sun, 5 Dec 2021 22:51:41 +0100
Subject: nixos/system-path: add defaultText for defaultPackages

---
 nixos/modules/config/system-path.nix | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

(limited to 'nixos/modules/config/system-path.nix')

diff --git a/nixos/modules/config/system-path.nix b/nixos/modules/config/system-path.nix
index 6ff4ec2921c..875c4c9c441 100644
--- a/nixos/modules/config/system-path.nix
+++ b/nixos/modules/config/system-path.nix
@@ -41,12 +41,17 @@ let
       pkgs.zstd
     ];
 
-    defaultPackages = map (pkg: setPrio ((pkg.meta.priority or 5) + 3) pkg)
-      [ pkgs.nano
-        pkgs.perl
-        pkgs.rsync
-        pkgs.strace
-      ];
+  defaultPackageNames =
+    [ "nano"
+      "perl"
+      "rsync"
+      "strace"
+    ];
+  defaultPackages =
+    map
+      (n: let pkg = pkgs.${n}; in setPrio ((pkg.meta.priority or 5) + 3) pkg)
+      defaultPackageNames;
+  defaultPackagesText = "[ ${concatMapStringsSep " " (n: "pkgs.${n}") defaultPackageNames } ]";
 
 in
 
@@ -73,6 +78,11 @@ in
       defaultPackages = mkOption {
         type = types.listOf types.package;
         default = defaultPackages;
+        defaultText = literalDocBook ''
+          these packages, with their <literal>meta.priority</literal> numerically increased
+          (thus lowering their installation priority):
+          <programlisting>${defaultPackagesText}</programlisting>
+        '';
         example = [];
         description = ''
           Set of default packages that aren't strictly necessary
-- 
cgit 1.4.1