prepare_clean_tmp_timestamp – remove temporary directory of current package, retaing timestamp with the beginning of the build.
Description
The method is used to clean the temporary directory before actual usage in current build. There is a need in timestamp preservation, although, as it had been already created by the current session. Timestamp is the only file, written before pkg_setup(3),
at map_autopre
stage. Method saves that file, removes T,
creates it again and puts timestamp there back.
Writing
The method writes to T.