ranger-git: factor out to package

nix-os/shell.nix

@@ -1,22 +1,6 @@
 { config, pkgs, unstablePkgs, lib, ... }:
 
 let
-  rangerGit = pkgs.ranger.overrideAttrs (old: {
-    version = "git";
-    src = pkgs.fetchFromGitHub {
-      owner = "ranger";
-      repo = "ranger";
-      rev = "c7777d558d5b69843b21f986e9af1af311c83887";
-      hash = "sha256-DTVoEfc4dAaBTDLFujvWIYj5KHL89YknUiinIs9Rkeg=";
-    };
-    propagatedBuildInputs = with pkgs.python3Packages; [
-      # required for test suite, it's being ran during package build for some reason
-      flake8
-      pylint
-      pytest
-      setuptools
-    ] ++ old.propagatedBuildInputs;
-  });
   aliasDrag = pkgs.writeScriptBin "drag" ''
     ${pkgs.ripdrag}/bin/ripdrag -Axd $@
   '';
@@ -29,7 +13,7 @@ in
   config = {
     environment.systemPackages = ( with pkgs; [
       aliasDrag
-      rangerGit
+      ranger-git
       ripgrep
       kitty
       zoxide

pkgs/by-name/ra/ranger-git/package.nix

@@ -0,0 +1,23 @@
+{
+  ranger,
+  
+  fetchFromGitHub,
+  python3Packages,
+}:
+
+ranger.overrideAttrs (selfAttrs: superAttrs: {
+  version = "git";
+  src = fetchFromGitHub {
+    owner = "ranger";
+    repo = "ranger";
+    rev = "c7777d558d5b69843b21f986e9af1af311c83887";
+    hash = "sha256-DTVoEfc4dAaBTDLFujvWIYj5KHL89YknUiinIs9Rkeg=";
+  };
+  propagatedBuildInputs = with python3Packages; [
+    # required for test suite, it's being ran during package build for some reason
+    flake8
+    pylint
+    pytest
+    setuptools
+  ] ++ superAttrs.propagatedBuildInputs;
+})