updated

2026-06-16 21:49:01 +02:00
parent 65a547ad1a
commit 956889173a
15 changed files with 326 additions and 154 deletions
@@ -0,0 +1,159 @@
+{ pkgs, ... }:
+
+let
+ script = ''
+ set -euo pipefail
+
+ # Wenn dein NixOS-Repo nicht in /etc/nixos liegt, diesen Pfad hier anpassen.
+ repo_root="/etc/nixos"
+
+ # Das muss zum Namen in flake.nix unter nixosConfigurations.<name> passen.
+ flake_target="template"
+ rebuild_mode="switch"
+ update_inputs=false
+ dry_run=false
+ needs_sudo=false
+
+ usage() {
+ cat <<'EOF'
+Usage: nixos-update [switch|boot] [update-inputs] [dry-run]
+
+Syncs this repo and rebuilds NixOS from the local flake config.
+
+Arguments:
+ switch Build and activate the new system immediately
+ boot Build and activate for next boot instead of switching now
+ update-inputs Run `nix flake update` before rebuilding
+ dry-run Show commands without executing them
+ help Show this help
+EOF
+ }
+
+ while [[ $# -gt 0 ]]; do
+ case "$1" in
+ update-inputs)
+ update_inputs=true
+ ;;
+ switch)
+ rebuild_mode="switch"
+ ;;
+ boot)
+ rebuild_mode="boot"
+ ;;
+ dry-run)
+ dry_run=true
+ ;;
+ help|-h|--help)
+ usage
+ exit 0
+ ;;
+ *)
+ echo "Unknown option: $1" >&2
+ usage >&2
+ exit 1
+ ;;
+ esac
+ shift
+ done
+
+ step() {
+ printf '\n==> %s\n' "$1"
+ }
+
+ print_command() {
+ printf ' $'
+ printf ' %q' "$@"
+ printf '\n'
+ }
+
+ run() {
+ print_command "$@"
+
+ if [[ "$dry_run" == true ]]; then
+ return 0
+ fi
+
+ "$@"
+ }
+
+ run_repo() {
+ if [[ "$needs_sudo" == true ]]; then
+ run sudo "$@"
+ else
+ run "$@"
+ fi
+ }
+
+ echo "Repo: $repo_root"
+ echo "Flake target: $flake_target"
+ echo "Rebuild mode: $rebuild_mode"
+
+ if [[ ! -d "$repo_root" ]]; then
+ echo "Repo path does not exist: $repo_root" >&2
+ echo "Adjust repo_root in modules/updater.nix or move the repo to that path." >&2
+ exit 1
+ fi
+
+ if [[ ! -w "$repo_root" ]]; then
+ needs_sudo=true
+ fi
+
+ if [[ "$needs_sudo" == true ]]; then
+ echo "Repo ist nicht als normaler Benutzer beschreibbar. Git- und Flake-Befehle laufen mit sudo."
+ step "Prüfe sudo"
+ run sudo -v
+ fi
+
+ step "Wechsle ins Repo"
+ print_command cd "$repo_root"
+ cd "$repo_root"
+
+ if [[ "$needs_sudo" == true ]]; then
+ git_check=(sudo git rev-parse --is-inside-work-tree)
+ else
+ git_check=(git rev-parse --is-inside-work-tree)
+ fi
+
+ if ! "''${git_check[@]}" >/dev/null 2>&1; then
+ echo "Repo path is not a Git repository: $repo_root" >&2
+ echo "Clone your config repo there or adjust repo_root in modules/updater.nix." >&2
+ exit 1
+ fi
+
+ if ! run_repo git diff --quiet || ! run_repo git diff --cached --quiet; then
+ echo "Working tree has local changes. git pull may fail if upstream changed the same files."
+ fi
+
+ step "Aktualisiere Git-Repo"
+ run_repo git pull --ff-only
+
+ if [[ "$update_inputs" == true ]]; then
+ step "Aktualisiere Flake-Inputs"
+ run_repo nix flake update
+ fi
+
+ step "Prüfe sudo für den NixOS-Rebuild"
+ run sudo -v
+
+ step "Starte nixos-rebuild"
+ run sudo nixos-rebuild "$rebuild_mode" --flake "$repo_root#$flake_target"
+ '';
+
+ nixosUpdate = pkgs.writeShellScriptBin "nixos-update" script;
+
+ updateNixosCompat = pkgs.writeShellScriptBin "update-nixos" ''
+ exec ${nixosUpdate}/bin/nixos-update "$@"
+ '';
+
+ nixosSyncCompat = pkgs.writeShellScriptBin "nixos-sync" ''
+ exec ${nixosUpdate}/bin/nixos-update "$@"
+ '';
+in
+
+{
+ environment.systemPackages = [
+ nixosUpdate
+ nixosSyncCompat
+ updateNixosCompat
+ ];
+}