[src/trunk]: src/distrib/sets clean up to operate similar to other scripts in...

[lukem <lukem%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a4301b305709
branches:  trunk
changeset: 565766:a4301b305709
user:      lukem <lukem%NetBSD.org@localhost>
date:      Tue Apr 20 05:37:15 2004 +0000

description:
clean up to operate similar to other scripts in this directory, including:
* separate usage function
* use getopts (replacing '-all' with '-a')

diffstat:

 distrib/sets/makesums |  53 ++++++++++++++++++++++++++------------------------
 1 files changed, 28 insertions(+), 25 deletions(-)

diffs (97 lines):

diff -r e7fc3d965f14 -r a4301b305709 distrib/sets/makesums
--- a/distrib/sets/makesums     Tue Apr 20 03:40:45 2004 +0000
+++ b/distrib/sets/makesums     Tue Apr 20 05:37:15 2004 +0000
@@ -1,14 +1,14 @@
 #!/bin/sh
 #
-# $NetBSD: makesums,v 1.6 2003/01/03 15:26:32 lukem Exp $
+# $NetBSD: makesums,v 1.7 2004/04/20 05:37:15 lukem Exp $
 #
 # Make checksum files for files in ``tardir''.  Usage:
-# makesums [-t tardir] [ -all ] [setname ...]
+# makesums [-a] [-t tardir] [setname [...]]
 #
 # If -t is omitted, RELEASEDIR must be set and not empty.
 # The ``setname'' arguments comprise a list of files to checksum,
 # and may be omitted (in which case ``*.tgz'' is used).
-# If -all is given, then the list of sets is ignored, and ``*'' is used.
+# If -a is given, then the list of sets is ignored, and ``*'' is used.
 #
 # After shell glob expansion, the list of sets is filtered to remove known
 # output file names (of the form *SUM and MD5), non-existent files, and
@@ -17,50 +17,53 @@
 # output files (BSDSUM, CKSUM, MD5, SYSVSUM) are produced.
 #
 
+prog=${0##*/}
+
 # set defaults
 : ${CKSUM=cksum}
-tars=$RELEASEDIR
+targetdir=$RELEASEDIR
 dash_all=no
 
+usage()
+{
+       cat 1>&2 <<USAGE
+Usage: ${prog} [-a] [-t targetdir] [setname [...]]
+       -a              checksum all plain files instead of [setname [...]]
+       -t targetdir    \$RELEASEDIR            [$targetdir]
+       setname [...]   sets to checksum        [*.tgz]
+USAGE
+       exit 1
+}
+
 # handle args
-while : ; do
-       case $1 in
-       -all)
+while getopts at: ch; do
+       case ${ch} in
+       a)
                dash_all=yes
-               break
-               ;;
-       -t*)    
-               tars=$2; shift
                ;;
-       -*)
-               cat 1>&2 <<USAGE
-Usage: $0 [-t targetdir] [-all] [setname ...]
-       -t targetdir    \$RELEASEDIR            [$tars]
-       [setname ...]   sets to checksum        [*.tgz]
-       -all            do all plain files instead of [setname ...]
-USAGE
-               exit 1
+       t)      
+               targetdir=${OPTARG}
                ;;
        *)
-               break
+               usage
                ;;
        esac
-       shift
 done
+shift $((${OPTIND} - 1))
 
-if [ -z "$tars" ]; then
-       echo \$RELEASEDIR must be set
+if [ -z "$targetdir" ]; then
+       echo 1>&2 '$RELEASEDIR must be set or provided with -t'
        exit 1
 fi
 
-cd $tars
+cd $targetdir
 pat="$*"
 if [ $dash_all = yes ]; then
        pat='*'
 elif [ -z "$pat" ]; then
        pat='*.tgz'
 fi
-lists=`find $pat -prune \( -type f -o -type l \) \! -name '*SUM' \! -name MD5 2>/dev/null`
+lists=$(find $pat -prune \( -type f -o -type l \) \! -name '*SUM' \! -name MD5 2>/dev/null)
 if [ -n "$lists" ]; then
        ${CKSUM} -o1 $lists > BSDSUM
        ${CKSUM}     $lists > CKSUM