CVS commit: src/usr.sbin/postinstall

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

Module Name:    src
Committed By:   lukem
Date:           Sat Jan  8 06:56:43 UTC 2022

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

Log Message:
postinstall: improve validation and help

Validate the operation and items before extracting any etc.tgz,
so that help or errors are displayed quicker, for a better user
experience.

Style:
- Rename todo to ITEMS.
- Order processing of list after check.
- Ensure DIFF_OPT is initialised, for consistency.


To generate a diff of this commit:
cvs rdiff -u -r1.44 -r1.45 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.