mpv extensions: lift sane_cast,sane_sysvol out to pkgs/

establishing a format for this will make it easier for me to package 3rd-party mpv scripts

hosts/common/programs/mpv/default.nix

@@ -161,11 +161,13 @@ in
         # i think using `luajit` here instead of `lua` is optional, just i get better perf with it :)
         lua = pkgs.luajit.override { enable52Compat = true; self = lua; };
       };
-      scripts = [
-        pkgs.mpvScripts.mpris
-        pkgs.mpvScripts.mpv-playlistmanager
-        pkgs.mpvScripts.mpv-webm
-        pkgs.mpvScripts.sponsorblock
+      scripts = with pkgs.mpv-unwrapped; [
+        scripts.mpris
+        scripts.mpv-playlistmanager
+        scripts.mpv-webm
+        scripts.sane_cast
+        scripts.sane_sysvol
+        scripts.sponsorblock
         uosc
         # visualizer  #< XXX(2024-07-23): `visualizer` breaks auto-play-next-track (only when visualizations are disabled)
         # pkgs.mpv-uosc-latest
@@ -206,9 +208,7 @@ in
     persist.byStore.private = [
       "Videos/mpv"
     ];
-    fs.".config/mpv/scripts/sane_cast/main.lua".symlink.target = ./sane_cast/main.lua;
-    fs.".config/mpv/scripts/sane_sysvol/main.lua".symlink.target = ./sane_sysvol/main.lua;
-    fs.".config/mpv/scripts/sane_sysvol/non_blocking_popen.lua".symlink.target = ./sane_sysvol/non_blocking_popen.lua;
+
     fs.".config/mpv/input.conf".symlink.target = ./input.conf;
     fs.".config/mpv/mpv.conf".symlink.target = pkgs.substituteAll {
       src = ./mpv.conf;

pkgs/default.nix

@@ -35,6 +35,24 @@ let
       ));
     };
 
+    ### ADDITIONAL MPV SCRIPTS
+    # build like `nix-build -A mpvScripts.sane-cast`
+    mpv-unwrapped = unpatched.mpv-unwrapped.overrideAttrs (base: {
+      # don't update by default since most of these packages are from a different repo (i.e. nixpkgs).
+      updateWithSuper = false;
+
+      passthru = base.passthru // lib.recurseIntoAttrs {
+        scripts = base.passthru.scripts.overrideScope (sFinal: sPrev: (
+          lib.recurseIntoAttrs (
+            lib.filesystem.packagesFromDirectoryRecursive {
+              inherit (sFinal) callPackage;
+              directory = ./mpv-scripts;
+            }
+          )
+        ));
+      };
+    });
+
     ### aliases
     # nixpkgs = nixpkgs-bootstrap.master;
     # nixpkgs-staging = nixpkgs-bootstrap.staging;
@@ -53,9 +71,9 @@ let
   sane-overlay = {
     sane = lib.recurseIntoAttrs sane-additional;
   }
-    # "additional" packages only get added if their version is newer than upstream
+    # "additional" packages only get added if their version is newer than upstream, or if they're package sets
     // (lib.mapAttrs
-      (pname: _pkg: if unpatched ? "${pname}" && unpatched."${pname}" ? version && lib.versionAtLeast unpatched."${pname}".version final'.sane."${pname}".version  then
+      (pname: _pkg: if unpatched ? "${pname}" && !(final'.sane.recurseForDerivations or false) && unpatched."${pname}" ? version && lib.versionAtLeast unpatched."${pname}".version final'.sane."${pname}".version  then
         unpatched."${pname}"
       else
         final'.sane."${pname}"

pkgs/mpv-scripts/sane_cast/package.nix

@@ -0,0 +1,24 @@
+{
+  buildLua,  #< part of the mpvScripts scope
+  lib,
+  sane-cast,
+  xdg-terminal-exec,
+}:
+buildLua {
+  pname = "sane_cast";
+  version = "0.1-unstable";
+  src = ./.;
+
+  preInstall = ''
+    mkdir sane_cast
+    mv main.lua sane_cast
+  '';
+
+  passthru.scriptName = "sane_cast";
+  passthru.extraWrapperArgs = [
+    "--suffix"
+    "PATH"
+    ":"
+    (lib.makeBinPath [ sane-cast xdg-terminal-exec ])
+  ];
+}

pkgs/mpv-scripts/sane_sysvol/package.nix

@@ -0,0 +1,27 @@
+{
+  buildLua,  #< part of the mpvScripts scope
+  lib,
+  pipewire,
+  sane-die-with-parent,
+  wireplumber,
+}:
+buildLua {
+  pname = "sane_sysvol";
+  version = "0.1-unstable";
+  src = ./.;
+
+  preInstall = ''
+    mkdir sane_sysvol
+    mv main.lua sane_sysvol
+    mv non_blocking_popen.lua sane_sysvol
+  '';
+
+  passthru.scriptName = "sane_sysvol";
+  passthru.extraWrapperArgs = [
+    "--suffix"
+    "PATH"
+    ":"
+    (lib.makeBinPath [ pipewire sane-die-with-parent wireplumber ])
+  ];
+}
+