#!/usr/bin/env osh
:
: osh - " Force sh(1), csh(1), and other shells to exit w/ error! " <'' ;;;
:
: "  @(#)$Id: dosums 515 2008-10-20 17:59:44Z jneitzel $  "
:
: "  The author of this file, J.A. Neitzel <jan (at) v6shell (dot) org>,  "
: "  hereby grants it to the public domain.                               "
:

:
: "  Check the current list of working files against the SUMS file,  "
: "  or make a new SUMS file from the current list of working files  "
: "  according to the specified option.                              "
:
: "  usage: dosums {-c | -m}  "
:

: " Check for correct usage. "
: >>$0'' <'' ; : >>$1'' <''
killer $0'' dosums
if $n != 1 -o X$1 != X-c -a X$1 != X-m if { exit } pusage $0 '"{-c | -m}"'

	: " Do a `make clean' if needed. "
	ls dosums Makefile mkconfig *.[1ch]* | \
		wc -w | tr -d ' \t' | grep '^24$' >/dev/null
	if $s != 0 make clean >/dev/null
	if X$1 != X-c goto $1
	: fallthrough

: -c - " Check the current list of working files against the SUMS file. "

	mksums dosums Makefile mkconfig *.[1ch]* | diff SUMS - ; exit

: -m - " Make a new SUMS file from the current list of working files. "

	mksums dosums Makefile mkconfig *.[1ch]* >SUMS
	wc -l <SUMS | tr -d ' \t' | grep '^96$' >/dev/null
	if $s = 0 exit
	perror $0 '"SUMS file error - incorrect line count"'