changes 08-09-25

overlay/scripts/nix/templates/fetchfromgh.nix

@@ -0,0 +1,36 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+pkgs.writeShellApplication {
+  name = "fetchfromgh";
+  runtimeInputs = [ pkgs.nix-prefetch-scripts ];
+  text = ''
+      if [ $# -ne 1 ] || ! echo "$1" | grep -qE "[A-Za-z0-9_-]+/[A-Za-z0-9_-]+"; then
+        echo "Usage: fetchfromgh someuser/somerepo"
+        echo "     - i.e. fetchfromgh pagedMov/nixos-config"
+        exit 1
+      fi
+
+    if ! curl -s -o /dev/null -w "%{http_code}" "https://github.com/$1" | grep -q "200"; then
+      echo "Couldn't find that repository, curl returned 404."
+      exit 1
+    fi
+
+      json=$(nix-prefetch-git --quiet "https://github.com/$1")
+
+      url=$(echo "$json" | jq '.url' | tr -d '"')
+      owner=$(echo "$url" | awk -F'/' '{print $(NF-1)}')
+      repo=$(echo "$url" | awk -F'/' '{print $NF}')
+      rev=$(echo "$json" | jq '.rev' | tr -d '"')
+      hash=$(echo "$json" | jq '.hash' | tr -d '"')
+
+      output="\
+      src = pkgs.fetchFromGitHub {
+        owner = \"$owner\";
+        repo = \"$repo\";
+        rev = \"$rev\";
+        hash = \"$hash\";
+      };
+      "
+      echo "$output"
+  '';
+}

overlay/scripts/nix/templates/mkshell.nix

@@ -0,0 +1,19 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+pkgs.writeShellApplication {
+  name = "mkshell";
+  runtimeInputs = [];
+  text = ''
+    command cat <<EOF
+devShells.\''${system}.default = pkgs.mkShell {
+  buildInputs = with pkgs; [
+  ];
+
+  shellHook = '''
+    export SHELL=\''${pkgs.zsh}/bin/zsh
+    exec \''${pkgs.zsh}/bin/zsh
+  ''';
+};
+EOF
+  '';
+}