Housekeeping

- Update README
- Run shellcheck on .sh files
- Add helper scripts
- Remove eirene vm variant
- Add post-install checklist

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

scripts/install.sh

@@ -0,0 +1,122 @@
+#!/usr/bin/env bash
+
+check_root() {
+  if [[ "${EUID}" -ne 0 ]]; then
+    echo "Please run the script as root."
+    exit 1
+  fi
+}
+
+check_network() {
+  if ping -c 1 google.com &>/dev/null; then
+    echo "Network connection detected, skipping Wi-Fi setup."
+    return
+  fi
+
+  echo "No network connection detected."
+  echo "Would you like to connect to a Wi-Fi network? [y/N]"
+
+  read -r connect_wifi
+
+  if ! [[ "${connect_wifi}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
+    echo "Please connect to a network before proceeding."
+    exit 1
+  fi
+
+  setup_wifi
+}
+
+setup_wifi() {
+  echo "Available network interfaces:"
+  ip link show | grep -E '^[0-9]+:' | awk '{print $2}' | tr -d ':'
+
+  echo "Enter the network interface you want to use:"
+  read -r interface
+
+  echo "Do you want to connect to an open network? [y/N]"
+  read -r open_network
+
+  if [[ "${open_network}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
+    echo "Enter the SSID of the open network:"
+    read -r ssid
+    wpa_supplicant -i "${interface}" -c <(wpa_passphrase "${ssid}") -B
+  else
+    echo "Enter the SSID:"
+    read -r ssid
+    echo "Enter the passphrase:"
+    read -rs passphrase
+
+    wpa_passphrase "${ssid}" "${passphrase}" > wifi.conf
+    wpa_supplicant -i "${interface}" -c wifi.conf -B
+    rm wifi.conf
+  fi
+
+  dhcpcd
+}
+
+select_host() {
+  echo "Available hosts:"
+  echo $(nix flake show --json | nix shell nixpkgs#jq --command jq -r '.nixosConfigurations | keys[]')
+
+  echo "Enter host:"
+  read -r host
+}
+
+select_users() {
+  echo "Available users:"
+  ls users/
+
+  echo "Enter the users to copy keys for (space-separated):"
+  read -r -a users
+}
+
+prepare_disk() {
+  local mode="$1"
+  device=$(grep -oP '(?<=device = ")[^"]+' "./hosts/${host}/default.nix")
+  nix --experimental-features "nix-command flakes" run github:nix-community/disko -- --mode "${mode}" "./hosts/${host}/format.nix" --arg device "\"${device}\""
+}
+
+copy_keys() {
+  mkdir -p /mnt/persist/etc/ssh
+  cp "./hosts/${host}/secrets/ssh_host_ed25519_key" /mnt/persist/etc/ssh/ssh_host_ed25519_key
+
+  for user in "${users[@]}"; do
+    mkdir -p "/mnt/persist/home/${user}/.local/share/sops-nix"
+    cp "./users/${user}/secrets/key.txt" "/mnt/persist/home/${user}/.local/share/sops-nix/key.txt"
+  done
+}
+
+install() {
+  nixos-install --root /mnt --flake ".#${host}"
+}
+
+main() {
+  check_root
+  check_network
+  select_host
+
+  echo "What would you like to do with ${host}?"
+  echo "1) Install"
+  echo "2) Repair"
+  read -r choice
+
+  case ${choice} in
+    1)
+      select_users
+      prepare_disk "disko"
+      copy_keys
+      install
+      echo "Installation complete. Please reboot your system."
+      ;;
+    2)
+      prepare_disk "mount"
+      install
+      echo "Repair complete. Please reboot your system."
+      ;;
+    *)
+      echo "Invalid choice."
+      ;;
+  esac
+}
+
+main