There would be many obsolete cache files in the SSTATE_DIR after several
builds, this script can remove the obsolete one for a pkg, only leave
the up to date one.
Here is the help text:
sstate-cache-management.sh <OPTION>
Options:
--help, -h
Display this help and exit.
--cache-dir=<sstate cache dir>
Specify sstate cache directory, will use the environment
variable SSTATE_CACHE_DIR if it is not specified.
--remove-duplicated
Remove the duplicated sstate cache files of one package, only
the newest one would be kept.
[YOCTO #1682]
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
