explicitly declare nixpkgs

flake.lock

@@ -17,15 +17,18 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1636138231,
-        "narHash": "sha256-FZQ5wBcB9zI21uQMB/PaEQ/cLYk+Bwnig5cg1+2rPgg=",
-        "path": "/nix/store/c504m27i25igq2xzrl80pksycz3jkax1-source",
-        "rev": "5c02380de3951d0237807c16eb19873cb3c5f75d",
-        "type": "path"
+        "lastModified": 1636267212,
+        "narHash": "sha256-KDS173KqmqrYUPY9N4vf750GxIo+S6E0djyq2BsQm8s=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "c935f5e0add2cf0ae650d072c8357533e21b0c35",
+        "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "root": {

flake.nix

@@ -3,7 +3,10 @@
 
   nixConfig.bash-prompt = "\[\\e[1mstrm-dev\\e[0m:\\w\]$ ";
 
-  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs = {
+    nixpkgs.url = github:nixos/nixpkgs/nixos-unstable;
+    flake-utils.url = github:numtide/flake-utils;
+  };
 
   outputs = { self, nixpkgs, flake-utils }:
 
@@ -28,7 +31,7 @@
               src = self;
               patchPhase = with pkgs; ''
                 substituteInPlace strm \
-                  --replace mpv\  ${mpv}/bin/mpv\ 
+                  --replace mpv\  ${mpv}/bin/mpv\
               '';
               installPhase = ''
                 install -m 755 -D strm $out/bin/strm