78 lines
2.0 KiB
Bash
78 lines
2.0 KiB
Bash
#!/usr/bin/env bash
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set -e
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# use_nix.sh - Script to update NixOS configuration
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# Usage: use_nix.sh [--rebuild] [--upgrade] [--re-flake]
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function check_root() {
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root" >&2
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exit 1
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fi
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}
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function show_usage() {
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echo "Usage: $0 [--rebuild] [--upgrade] [--re-flake]"
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echo " --rebuild Automatically run nixos-rebuild after copying files"
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echo " --upgrade Upgrade installed packages to match flake.lock"
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echo " --re-flake Delete the flake.lock, forcing to fetch the latest in-branch commits"
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}
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AUTO_REBUILD=0
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UPGRADE=0
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RE_FLAKE=0
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# Parse arguments
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for arg in "$@"; do
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case $arg in
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--rebuild) AUTO_REBUILD=1 ;;
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--upgrade) UPGRADE=1 ;;
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--re-flake) RE_FLAKE=1 ;;
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--help|-h) show_usage; exit 0 ;;
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*) echo "Unknown option: $arg"; show_usage; exit 1 ;;
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esac
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done
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check_root
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# Check if source directory exists
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if [[ ! -d "root-conf/nixos" ]]; then
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echo "Error: Source directory 'root-conf/nixos' not found!" >&2
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exit 1
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fi
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# Backup existing configuration
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if [[ -d /etc/nixos ]]; then
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echo "Backing up existing configuration to /etc/nixos.bak"
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rm -rf /etc/nixos.bak 2>/dev/null || true
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cp -r /etc/nixos /etc/nixos.bak
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rm -rf /etc/nixos/*
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else
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mkdir -p /etc/nixos
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fi
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# Copy new configuration
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echo "Copying files to /etc/nixos/"
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cp -r root-conf/nixos/* /etc/nixos/
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ls -l /etc/nixos/
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if [[ $RE_FLAKE -eq 1 ]]; then
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echo "Deleting flake.lock to update in given channel"
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rm /etc/nixos/flake.lock 2>/dev/null || true
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fi
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# Rebuild if requested
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if [[ $AUTO_REBUILD -eq 1 ]]; then
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echo "Running nixos-rebuild switch..."
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if [[ $UPGRADE -eq 1 ]]; then
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echo "First run: running nixos-rebuild with --upgrade"
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nixos-rebuild switch --upgrade
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else
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echo "Running nixos-rebuild switch with flake"
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nixos-rebuild switch --flake /etc/nixos
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fi
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cp /etc/nixos/flake.lock root-conf/nixos/flake.lock
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fi
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echo "Done!" |