Re: RFC: $USE_[GU]ID for consistent [GU]ID handling

> Hello,
>
>  I would like your comments about the attached patch.  This is for
>  adding USE_UID and USE_GID which allow uid/gid addition on
>  installation and the removal on deinstallation.  It uses
>  ${PORTSDIR}/[GU]IDs for the detail information and can eliminate
>  complex shell scripts from individual ports.
>
>  For example, if you define
>
>  USE_UID= foo
>
>  in Makefile, the uid "foo" is added before pre-su-install, and
>  removed on deinstallation by using pw(8).  If the uid already exists,
>  no error occurred.  The multiple uids are also allowed.
>
>  The attached patch includes an example of rewrite of an existing
>  ports (japanese/sj3-server).  After investigating ~300 ports in the
>  ports tree which add uid/gid I think the attached implementation can
>  cover most of the use case, but there may be something I missed.
>  Comments are welcome.