From 8af00f038e9654338013f792ceb34b4e2007e60a Mon Sep 17 00:00:00 2001
From: TomiEckert <tomivoook23@gmail.com>
Date: Mon, 2 Mar 2026 11:07:44 +0100
Subject: [PATCH] feat: Add pigz support for parallel tar compression if
 available.

---
 hanatool.sh | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/hanatool.sh b/hanatool.sh
index 589382d..6ed4ada 100644
--- a/hanatool.sh
+++ b/hanatool.sh
@@ -30,6 +30,13 @@ DRY_RUN=false
 NTFY_TOKEN=""
 IMPORT_REPLACE=false
 
+# Detect pigz for parallel compression
+if command -v pigz &>/dev/null; then
+    USE_PIGZ=true
+else
+    USE_PIGZ=false
+fi
+
 # --- Help/Usage Function ---
 usage() {
     echo "SAP HANA Schema and Tenant Management Tool"
@@ -228,9 +235,17 @@ case "$ACTION" in
                 
                 TAR_EXIT_CODE=0
                 if [[ "$DRY_RUN" == "true" ]]; then
-                    echo "[DRY RUN] Would execute tar: tar -czf \"$ARCHIVE_FILE\" -C \"$backup_target_dir\" ."
+                    if [[ "$USE_PIGZ" == "true" ]]; then
+                        echo "[DRY RUN] Would execute tar (pigz): tar -I \"pigz -p $THREADS\" -cf \"$ARCHIVE_FILE\" -C \"$backup_target_dir\" ."
+                    else
+                        echo "[DRY RUN] Would execute tar: tar -czf \"$ARCHIVE_FILE\" -C \"$backup_target_dir\" ."
+                    fi
                 else
-                    tar -czf "$ARCHIVE_FILE" -C "$backup_target_dir" .
+                    if [[ "$USE_PIGZ" == "true" ]]; then
+                        tar -I "pigz -p $THREADS" -cf "$ARCHIVE_FILE" -C "$backup_target_dir" .
+                    else
+                        tar -czf "$ARCHIVE_FILE" -C "$backup_target_dir" .
+                    fi
                     TAR_EXIT_CODE=$?
                 fi
 
@@ -304,9 +319,17 @@ case "$ACTION" in
                 
                 TAR_EXIT_CODE=0
                 if [[ "$DRY_RUN" == "true" ]]; then
-                    echo "[DRY RUN] Would execute tar: tar -czf \"$ARCHIVE_FILE\" -C \"$(dirname "$EXPORT_DIR")\" \"$(basename "$EXPORT_DIR")\""
+                    if [[ "$USE_PIGZ" == "true" ]]; then
+                        echo "[DRY RUN] Would execute tar (pigz): tar -I \"pigz -p $THREADS\" -cf \"$ARCHIVE_FILE\" -C \"$(dirname "$EXPORT_DIR")\" \"$(basename "$EXPORT_DIR")\""
+                    else
+                        echo "[DRY RUN] Would execute tar: tar -czf \"$ARCHIVE_FILE\" -C \"$(dirname "$EXPORT_DIR")\" \"$(basename "$EXPORT_DIR")\""
+                    fi
                 else
-                    tar -czf "$ARCHIVE_FILE" -C "$(dirname "$EXPORT_DIR")" "$(basename "$EXPORT_DIR")"
+                    if [[ "$USE_PIGZ" == "true" ]]; then
+                        tar -I "pigz -p $THREADS" -cf "$ARCHIVE_FILE" -C "$(dirname "$EXPORT_DIR")" "$(basename "$EXPORT_DIR")"
+                    else
+                        tar -czf "$ARCHIVE_FILE" -C "$(dirname "$EXPORT_DIR")" "$(basename "$EXPORT_DIR")"
+                    fi
                     TAR_EXIT_CODE=$?
                 fi