ws and pruner done!!!

shell.nix

@@ -1,4 +1,28 @@
-{ pkgs ? import <nixpkgs> {} }: pkgs.mkShell {
+{ pkgs ? import <nixpkgs> {} }: let 
+  podmanSetupScript = let
+    registriesConf = pkgs.writeText "registries.conf" ''
+      [registries.search]
+      registries = ['docker.io']
+      [registries.block]
+      registries = []
+    '';
+  in pkgs.writeScript "podman-setup" ''
+    #!${pkgs.runtimeShell}
+    # Dont overwrite customised configuration
+    if ! test -f ~/.config/containers/policy.json; then
+      install -Dm555 ${pkgs.skopeo.src}/default-policy.json ~/.config/containers/policy.json
+    fi
+    if ! test -f ~/.config/containers/registries.conf; then
+      install -Dm555 ${registriesConf} ~/.config/containers/registries.conf
+    fi
+  '';
+
+  # Provides a fake "docker" binary mapping to podman
+  dockerCompat = pkgs.runCommandNoCC "docker-podman-compat" {} ''
+    mkdir -p $out/bin
+    ln -s ${pkgs.podman}/bin/podman $out/bin/docker
+  '';
+in pkgs.mkShell {
   buildInputs = with pkgs; [
     go
     just