added modules

app/sbin/backup/ODOO_19

@@ -54,3 +54,24 @@ while IFS= read -r old_file; do
 done < <(ls -t "$BACKUP_DIR"/[0-9]*.zip 2>/dev/null | tail -n +$((BACKUP_SLOTS + 1)))
 
 log "Backup finished successfully."
+
+# --- Custom modules snapshot ---
+# Archive /4server/data/$UUID/git-server/repos/local/custom/ into .current.tar.gz.
+# Rebuilt only when at least one file inside is newer than the existing archive,
+# so borg backup dedup sees an identical blob on unchanged runs.
+CUSTOM_SRC="/4server/data/$UUID/git-server/repos/local/custom"
+CUSTOM_ARCHIVE="$BACKUP_DIR/.current.tar.gz"
+
+if [ ! -d "$CUSTOM_SRC" ]; then
+    log "Custom modules directory not found, skipping: $CUSTOM_SRC"
+elif [ ! -f "$CUSTOM_ARCHIVE" ] || \
+     doas find "$CUSTOM_SRC" -newer "$CUSTOM_ARCHIVE" -print -quit | grep -q .; then
+    log "Changes detected in custom modules — rebuilding .current.tar.gz"
+    # Write to a temp file first; mv is atomic, so borg never sees a partial archive
+    doas tar -czf "${CUSTOM_ARCHIVE}.tmp" \
+        -C "/4server/data/$UUID/git-server/repos/local" custom
+    doas mv "${CUSTOM_ARCHIVE}.tmp" "$CUSTOM_ARCHIVE"
+    log ".current.tar.gz updated: $(doas du -sh "$CUSTOM_ARCHIVE" | cut -f1)"
+else
+    log "No changes in custom modules — .current.tar.gz is up to date"
+fi