add flake

flake.lock

@@ -0,0 +1,25 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1618407731,
+        "narHash": "sha256-ks5XvRPDpt+CEiIAfqo0CxOzNQHdFiR7hRwGjVySzgk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "55ac7d4580c9ab67848c98cb9519317a1cc399c8",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,33 @@
+{
+  description = "Play YouTube videos from the command line in a convenient way";
+
+  outputs = { self, nixpkgs }: {
+
+    defaultPackage.x86_64-linux =
+      with import nixpkgs { system = "x86_64-linux"; };
+
+      stdenv.mkDerivation {
+
+        name = "tyt";
+        src = self;
+
+        buildInputs = [
+          jq
+          mpv
+          youtube-dl
+        ];
+
+        patchPhase = ''
+          substituteInPlace tyt \
+            --replace jq ${jq}/bin/jq \
+            --replace mpv ${mpv}/bin/mpv \
+            --replace youtube-dl ${youtube-dl}/bin/youtube-dl
+        '';
+  
+        installPhase = ''
+          install -m 755 -D tyt $out/bin/tyt
+        '';
+      };
+
+  };
+}