add clean-s3-cache

flake.lock

@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "clean-s3-cache": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1654951411,
+        "narHash": "sha256-Om6LZGjdrhsIL2K8VwzyRrX3+fOHJ1Bct4pI7/ijDP4=",
+        "ref": "refs/heads/main",
+        "rev": "e4bef52b5b8b8427d7027c681c96ac52ea007421",
+        "revCount": 1,
+        "type": "git",
+        "url": "https://gist.github.com/DarkKirb/533e9e8b9b6dd1badf9b103b4285dc4e"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://gist.github.com/DarkKirb/533e9e8b9b6dd1badf9b103b4285dc4e"
+      }
+    },
     "flake-utils": {
       "locked": {
         "lastModified": 1653893745,
@@ -32,6 +48,7 @@
     },
     "root": {
       "inputs": {
+        "clean-s3-cache": "clean-s3-cache",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }

flake.nix

@@ -4,17 +4,24 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs";
     flake-utils.url = "github:numtide/flake-utils";
+
+    # Source files for packages
+    clean-s3-cache.url = "git+https://gist.github.com/DarkKirb/533e9e8b9b6dd1badf9b103b4285dc4e";
+    clean-s3-cache.flake = false;
   };
 
-  outputs = {
-    self,
-    nixpkgs,
-    flake-utils,
-  }:
-    flake-utils.lib.eachSystem ["aarch64-linux" "x86_64-linux"] (
-      system: let
-        pkgs = import nixpkgs {inherit system;};
-      in rec {
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+    , ...
+    } @ inputs:
+    flake-utils.lib.eachSystem [ "aarch64-linux" "x86_64-linux" ] (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      rec {
         formatter = pkgs.alejandra;
 
         devShells.default = pkgs.mkShell {
@@ -23,7 +30,9 @@
           ];
         };
 
-        packages = {};
+        packages = pkgs.lib.lists.foldl (a: b: a // b) { } [
+          (pkgs.callPackage ./scripts/clean-s3-cache.nix { inherit inputs; })
+        ];
 
         hydraJobs = {
           inherit packages devShells;

scripts/clean-s3-cache.nix

@@ -0,0 +1,18 @@
+{ stdenvNoCC, python3, python3Packages, inputs }: rec {
+  clean-s3-cache-env = python3.buildEnv.override {
+    extraLibs = with python3Packages; [ boto3 ];
+  };
+  clean-s3-cache = stdenvNoCC.mkDerivation {
+    pname = "clean-s3-cache";
+    version = inputs.clean-s3-cache.lastModifiedDate;
+    srcs = inputs.clean-s3-cache;
+    buildPhase = ''
+      sed -i 's|#SHEBANG#|${clean-s3-cache-env}|' clean-s3-cache.py
+    '';
+    installPhase = ''
+      mkdir -p $out/bin
+      cp clean-s3-cache.py $out/bin
+      chmod +x $out/bin/clean-s3-cache.py
+    '';
+  };
+}