Initial commit; base scripting and systemd user event code for borg based backup

2026-07-10 12:20:13 +02:00
commit ffe3c354be
12 changed files with 984 additions and 0 deletions
@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+umask 077
+
+APP_NAME="nextcloud-borg-backup"
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+BIN_DIR="${HOME}/.local/bin"
+CONFIG_DIR="${XDG_CONFIG_HOME:-${HOME}/.config}/${APP_NAME}"
+STATE_DIR="${XDG_STATE_HOME:-${HOME}/.local/state}/${APP_NAME}"
+SYSTEMD_USER_DIR="${XDG_CONFIG_HOME:-${HOME}/.config}/systemd/user"
+
+mkdir -p "$BIN_DIR" "$CONFIG_DIR" "$STATE_DIR/logs" "$SYSTEMD_USER_DIR"
+
+install -m 0750 "$ROOT_DIR/scripts/nextcloud-borg-backup" "$BIN_DIR/nextcloud-borg-backup"
+
+if [[ ! -f "$CONFIG_DIR/config" ]]; then
+  install -m 0600 "$ROOT_DIR/etc/config.example" "$CONFIG_DIR/config"
+  printf 'Installed config: %s\n' "$CONFIG_DIR/config"
+else
+  printf 'Config exists, not overwriting: %s\n' "$CONFIG_DIR/config"
+fi
+
+if [[ ! -f "$CONFIG_DIR/excludes" ]]; then
+  install -m 0600 "$ROOT_DIR/etc/excludes.example" "$CONFIG_DIR/excludes"
+fi
+
+if [[ ! -f "$CONFIG_DIR/passphrase" ]]; then
+  if command -v openssl >/dev/null 2>&1; then
+    openssl rand -base64 48 > "$CONFIG_DIR/passphrase"
+  else
+    od -An -tx1 -N48 /dev/urandom | tr -d ' \n' > "$CONFIG_DIR/passphrase"
+    printf '\n' >> "$CONFIG_DIR/passphrase"
+  fi
+  chmod 0600 "$CONFIG_DIR/passphrase"
+  printf 'Created Borg passphrase file: %s\n' "$CONFIG_DIR/passphrase"
+  printf 'Store a copy of this passphrase somewhere safe for disaster recovery.\n'
+fi
+
+install -m 0644 "$ROOT_DIR/systemd/user/nextcloud-borg-backup.service" "$SYSTEMD_USER_DIR/nextcloud-borg-backup.service"
+install -m 0644 "$ROOT_DIR/systemd/user/nextcloud-borg-backup.timer" "$SYSTEMD_USER_DIR/nextcloud-borg-backup.timer"
+
+systemctl --user daemon-reload
+systemctl --user enable --now nextcloud-borg-backup.timer
+
+printf '\nInstalled %s.\n' "$APP_NAME"
+printf 'Next steps:\n'
+printf '  1. Check config: %s\n' "$CONFIG_DIR/config"
+printf '  2. Run first backup: systemctl --user start nextcloud-borg-backup.service\n'
+printf '  3. Watch logs: journalctl --user -u nextcloud-borg-backup.service -f\n'