pop-launcher: follow from NixOS/nixpkgs#176303

pkgs/pop-launcher.nix

@@ -1,4 +1,9 @@
-{ lib, fetchFromGitHub, rustPlatform, just, runtimeShell }:
+{ rustPlatform
+, fetchFromGitHub
+, lib
+, fd
+, libqalculate
+}:
 
 rustPlatform.buildRustPackage rec {
   pname = "pop-launcher";
@@ -7,22 +12,44 @@ rustPlatform.buildRustPackage rec {
   src = fetchFromGitHub {
     owner = "pop-os";
     repo = "launcher";
-    rev = version;
+    rev = "${version}";
     sha256 = "sha256-BQAO9IodZxGgV8iBmUaOF0yDbAMVDFslKCqlh3pBnb0=";
   };
 
-  cargoSha256 = "sha256-cTvrq0fH057UIx/O9u8zHMsg+psMGg1q9klV5OMxtok=";
-
-  # Replace the distribution plugins path since it is only usable with traditional Linux distros.
   postPatch = ''
-    substituteInPlace justfile --replace "#!/usr/bin/env sh" "#!${runtimeShell}"
-    substituteInPlace src/lib.rs --replace "/usr/lib/pop-launcher" "$out/share/pop-launcher"
-    substituteInPlace plugins/src/scripts/mod.rs --replace "/usr/lib/pop-launcher" "$out/share/pop-launcher"
+    substituteInPlace src/lib.rs \
+        --replace '/usr/lib/pop-launcher' "$out/share/pop-launcher"
+    substituteInPlace plugins/src/scripts/mod.rs \
+        --replace '/usr/lib/pop-launcher' "$out/share/pop-launcher"
+    substituteInPlace plugins/src/calc/mod.rs \
+        --replace 'Command::new("qalc")' 'Command::new("${libqalculate}/bin/qalc")'
+    substituteInPlace plugins/src/find/mod.rs \
+        --replace 'spawn("fd")' 'spawn("${fd}/bin/fd")'
+    substituteInPlace plugins/src/terminal/mod.rs \
+        --replace '/usr/bin/gnome-terminal' 'gnome-terminal'
   '';
 
-  nativeBuildInputs = [ just ];
-  buildPhase = "just";
-  installPhase = "just base_dir=$out/ install";
+  cargoSha256 = "sha256-cTvrq0fH057UIx/O9u8zHMsg+psMGg1q9klV5OMxtok=";
+
+  cargoBuildFlags = [ "--package" "pop-launcher-bin" ];
+
+  postInstall = ''
+    mv $out/bin/pop-launcher{-bin,}
+
+    plugins_dir=$out/share/pop-launcher/plugins
+    scripts_dir=$out/share/pop-launcher/scripts
+    mkdir -p $plugins_dir $scripts_dir
+
+    for plugin in $(find plugins/src -mindepth 1 -maxdepth 1 -type d -printf '%f\n'); do
+      mkdir $plugins_dir/$plugin
+      cp plugins/src/$plugin/*.ron $plugins_dir/$plugin
+      ln -sf $out/bin/pop-launcher $plugins_dir/$plugin/$(echo $plugin | sed 's/_/-/')
+    done
+
+    for script in scripts/*; do
+      cp -r $script $scripts_dir
+    done
+  '';
 
   meta = with lib; {
     description = "Modular IPC-based desktop launcher service";