Add deploy dry-run mode

scripts/deploy-sftp.sh

@@ -2,6 +2,22 @@
 
 set -euo pipefail
 
+dry_run=false
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --dry-run)
+      dry_run=true
+      ;;
+    *)
+      echo "Unbekanntes Argument: $1" >&2
+      echo "Verwendung: $0 [--dry-run]" >&2
+      exit 1
+      ;;
+  esac
+  shift
+done
+
 repo_root="$(cd "$(dirname "$0")/.." && pwd)"
 config_file="$repo_root/.deploy.env"
 include_file="${DEPLOY_INCLUDE_FILE:-$repo_root/scripts/deploy-include.txt}"
@@ -73,6 +89,12 @@ for item in "${deploy_items[@]}"; do
   fi
 done
 
+if [[ "$dry_run" == true ]]; then
+  echo "Dry-Run: folgende SFTP-Befehle wuerden ausgefuehrt:"
+  cat "$batch_file"
+  exit 0
+fi
+
 cd "$repo_root"
 sftp -P "$deploy_port" "$DEPLOY_USER@$DEPLOY_HOST" < "$batch_file"