feat: provide installation from local ISO

scripts/swarsel-rebuild.sh

@@ -0,0 +1,85 @@
+set -eo pipefail
+
+target_flake="chaostheatre"
+target_user="swarsel"
+
+function help_and_exit() {
+    echo
+    echo "Remotely installs NixOS on a target machine using this nix-config."
+    echo
+    echo "USAGE: $0 [OPTIONS]"
+    echo
+    echo "ARGS:"
+    echo "  -f <target_flake>                       specify flake to deploy the nixos config of."
+    echo "                                          Default: chaostheatre"
+    echo "  -u <target_user>                        specify user to deploy for."
+    echo "                                          Default: swarsel"
+    echo "  -h | --help                             Print this help."
+    exit 0
+}
+
+function red() {
+    echo -e "\x1B[31m[!] $1 \x1B[0m"
+    if [ -n "${2-}" ]; then
+        echo -e "\x1B[31m[!] $($2) \x1B[0m"
+    fi
+}
+function green() {
+    echo -e "\x1B[32m[+] $1 \x1B[0m"
+    if [ -n "${2-}" ]; then
+        echo -e "\x1B[32m[+] $($2) \x1B[0m"
+    fi
+}
+function yellow() {
+    echo -e "\x1B[33m[*] $1 \x1B[0m"
+    if [ -n "${2-}" ]; then
+        echo -e "\x1B[33m[*] $($2) \x1B[0m"
+    fi
+}
+
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+    -f)
+        shift
+        target_flake=$1
+        ;;
+    -u)
+        shift
+        target_user=$1
+        ;;
+    -h | --help) help_and_exit ;;
+    *)
+        echo "Invalid option detected."
+        help_and_exit
+        ;;
+    esac
+    shift
+done
+
+cd /home/"$target_user"
+
+if [ ! -d /home/"$target_user"/.dotfiles ]; then
+    green "Cloning repository from GitHub"
+    git clone https://github.com/Swarsel/.dotfiles.git
+else
+    red "A .dotfiles repository is in the way. Please (re-)move the repository and try again."
+    exit 1
+fi
+
+local_keys=$(ssh-add -L || true)
+pub_key=$(cat /home/"$target_user"/.dotfiles/secrets/keys/ssh/nbl-imba-2.pub)
+read -ra pub_arr <<< "$pub_key"
+
+cd .dotfiles
+if [[ $local_keys != *"${pub_arr[1]}"* ]]; then
+    yellow "The ssh key for this configuration is not available."
+    green "Adjusting flake.nix so that the configuration is buildable"
+    sed -i '/nix-secrets = {/,/^[[:space:]]*};/d' flake.nix
+    git add flake.nix
+fi
+sudo nixos-generate-config --dir /home/"$target_user"/.dotfiles/hosts/nixos/"$target_flake"/
+git add /home/"$target_user"/.dotfiles/hosts/nixos/"$target_flake"/hardware-configuration.nix
+
+green "Installing flake $target_flake"
+sudo nixos-rebuild --show-trace --flake .#"$target_flake" boot
+yellow "Please keep in mind that this is only a demo of the configuration. Things might break unexpectedly."