CVS commit: src/usr.sbin/postinstall

["Luke Mewburn" <lukem%netbsd.org@localhost>]

Module Name:    src
Committed By:   lukem
Date:           Sat Jan  8 06:58:40 UTC 2022

Modified Files:
        src/usr.sbin/postinstall: postinstall.in

Log Message:
postinstall: add -?. improve option errors

Support -? to show help.
Implemented using getopts "leading colon optstring" feature.
Improve error messages for unknown options and missing arguments.


To generate a diff of this commit:
cvs rdiff -u -r1.46 -r1.47 src/usr.sbin/postinstall/postinstall.in

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.