4 files changed, 28 insertions(+), 0 deletions(-)

M flake.nix
A pkgs/build-support/make-job-script/default.nix
M pkgs/manifest.nix
M pkgs/overlay.nix

@@ 26,6 26,7 @@
           # Remove packages not compatible with this system.
           (filterAttrs (attr: drv: drv ? meta.platforms -> builtins.elem system drv.meta.platforms))
         ]);
+      legacyPackages = genAttrs defaultSystems (system: (import ./. { pkgs = nixpkgs.legacyPackages.${system}; }));
       nixosModules = mapAttrs (name: path: import path) (import ./modules);
       overlays = {
         pkgs = import ./pkgs/overlay.nix;

@@ 0,0 1,24 @@
+{ lib, writeTextFile, stdenv, runtimeShell }:
+let
+  inherit (lib) replaceChars;
+
+  # Taken from <nixpkgs/nixos/modules/system/boot/systemd.nix>.
+  makeJobScript = name: text:
+    let
+      scriptName = replaceChars [ "\\" "@" ] [ "-" "_" ] name;
+      out = writeTextFile {
+        name = "unit-script-${scriptName}";
+        executable = true;
+        destination = "/bin/${scriptName}";
+        text = ''
+          #!${runtimeShell} -e
+          ${text}
+        '';
+        checkPhase = ''
+          ${stdenv.shell} -n "$out/bin/${scriptName}"
+        '';
+      };
+    in
+    "${out}/bin/${scriptName}";
+in
+makeJobScript

@@ 10,6 10,7 @@
   [ "iwgtk" ]
   [ "linuxPackages" "rtl8723bu" ]
   [ "linuxPackages_latest" "rtl8723bu" ]
+  [ "makeJobScript" ]
   [ "matrix-appservice-irc" ]
   [ "prometheus-bird-exporter" ]
   [ "python3Packages" "daemonocle" ]

@@ 25,6 25,8 @@ final: prev:
   linuxPackagesFor = kernel:
     (prev.linuxPackagesFor kernel).extend (import ./os-specific/linux/kernel-packages.nix);
 
+  makeJobScript = final.callPackage ./build-support/make-job-script { };
+
   matrix-appservice-irc = final.callPackage ./servers/matrix-synapse/matrix-appservice-irc {
     nodejs = final.nodejs-12_x;
   };