mpv anime module

flake.nix

@@ -0,0 +1,98 @@
+{
+  description = "MPV overlay with scripts and configuration for watching anime";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, utils }: utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; };
+      mpvScript = { owner, repo, rev, sha256, scriptName }: pkgs.stdenvNoCC.mkDerivation {
+        pname = repo;
+        version = builtins.substring 0 6 rev;
+        src = pkgs.fetchFromGitHub {
+          inherit owner repo rev sha256;
+        };
+        dontBuild = true;
+        installPhase = ''
+          install -Dm644 ${scriptName} $out/share/mpv/scripts/${scriptName}
+        '';
+        passthru = { inherit scriptName; };
+      };
+    in rec {
+      packages.mpvScripts.sub-select = mpvScript {
+        owner = "CogentRedTester";
+        repo = "mpv-sub-select";
+        rev = "5d2fb7ab73fc0e36d44109e75c9be26bd42084e2";
+        sha256 = "0dyh2kyvivj81lrkyqhc3czmi9hqjkh7xg8dqjnnr3kh3yn62dpi";
+        scriptName = "sub-select.lua";
+      };
+
+      packages.mpvScripts.segment-linking = mpvScript {
+        owner = "CogentRedTester";
+        repo = "mpv-segment-linking";
+        rev = "bb0fdb7961859df57c64b42d75dbbd60a4024e97";
+        sha256 = "1ykl24p96wwka4fillrzni6i0xkk4s2l9zg1scqypcbs5w491qsj";
+        scriptName = "segment-linking.lua";
+      };
+
+      nixosModules.default = { ... }: {
+        nixpkgs.overlays = final: prev: {
+          mpv = prev.mpv.override {
+            scripts = with packages.mpvScripts; [
+              sub-select
+              segment-linking
+            ];
+          };
+        };
+
+        # needed for mpv segment-linking plugin
+        environment.systemPackages = [
+          pkgs.mkvtoolnix
+        ];
+
+        home-manager.sharedModules = [ ({ config, lib, ... }: {
+          config = lib.mkIf config.programs.mpv.enable {
+            xdg.configFile."mpv/script-opts/sub-select.json".text = builtins.toJSON [
+              {
+                alang = "j[ap]n?";
+                slang = [ "eng?" "und" ];
+                blacklist = [ "sign" ];
+                condition = "not sub.forced";
+              }
+              {
+                alang = "eng?";
+                slang = "forced";
+              }
+              {
+                alang = "eng?";
+                slang = "eng?";
+                whitelist = [ "sign" "song" ];
+              }
+              {
+                alang = [ "eng?" "no" ];
+                slang = "no";
+              }
+              {
+                alang = "*";
+                slang = "eng?";
+                condition = "not sub.forced";
+              }
+              {
+                alang = "*";
+                slang = "und";
+                condition = "not sub.forced";
+              }
+              {
+                alang = "*";
+                slang = "forced";
+              }
+            ];
+          };
+        }) ];
+      };
+    }
+  );
+}