Assorted shell and Python scripts

Add chown command

Changed files
+1
+1
bluebuild_iso
···
--output-dir "$OUTPUT_DIR" \
image ghcr.io/hyperreal64/bluebuild-bluefin:latest
+
chown -R jas:jas "$OUTPUT_DIR"
find "$OUTPUT_DIR" -maxdepth 1 -mtime +7 -type f -delete
exit 0