- local unionmountpoint="${1}" # directory where the union is mounted
- local unionrw="${2}" # branch where the union changes are stored
- local unionro1="${3}" # first underlying read-only branch (optional)
- local unionro2="${4}" # second underlying read-only branch (optional)
+ local unionmountpoint unionrw unionro1 unionro2
+ unionmountpoint="${1}" # directory where the union is mounted
+ unionrw="${2}" # branch where the union changes are stored
+ unionro1="${3}" # first underlying read-only branch (optional)
+ unionro2="${4}" # second underlying read-only branch (optional)