puter

common/puter/puter.bash

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+progname=$0
+
+error() {
+    for line in "$@"; do
+        printf '%s\n' "$progname: $line" 1>&2
+    done
+
+    exit 1
+}
+
+args=$(getopt --options f --longoptions=flake: --name "$progname" -- "$@")
+
+eval set -- "$args"
+
+flake=git+https://forgejo@tea.wrz.one/lukas/puter.git#$(hostname)
+flags=()
+while true; do
+    case $1 in
+    (-f | --flake)
+        flake=$2
+        shift 2
+        ;;
+    (-v | --verbose)
+        flags+=(--verbose)
+        shift
+        ;;
+    (--)
+        shift
+        break
+        ;;
+    esac
+done
+
+if (( $# == 0 )); then
+    error 'a subcommand is required'
+fi
+
+subcommand=$1
+
+nixos-rebuild() {
+    command nixos-rebuild "${flags[@]}" --flake "$flake" --no-write-lock-file "$@"
+}
+
+case $subcommand in
+    (s | switch)
+        shift
+
+        if (( $# > 0 )); then
+            error 'too many arguments'
+        fi
+
+        nixos-rebuild switch
+        ;;
+    (b | boot)
+        shift
+
+        if (( $# > 0 )); then
+            error 'too many arguments'
+        fi
+
+        nixos-rebuild boot
+        ;;
+    (*)
+        error 'invalid subcommand'
+        ;;
+esac

common/puter/puter.nix

@@ -0,0 +1,13 @@
+{pkgs, ...}: let
+  puter = pkgs.writeShellScriptBin {
+    name = "puter";
+    runtimeInputs = [
+      pkgs.nixos-rebuild
+    ];
+    text = builtins.readFile ./puter.bash;
+  };
+in {
+  environment.systemPackages = [
+    puter
+  ];
+}