Home | History | Annotate | Download | only in pkgdefs
      1 #!/usr/bin/ksh -p
      2 #
      3 # CDDL HEADER START
      4 #
      5 # The contents of this file are subject to the terms of the
      6 # Common Development and Distribution License (the "License").
      7 # You may not use this file except in compliance with the License.
      8 #
      9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10 # or http://www.opensolaris.org/os/licensing.
     11 # See the License for the specific language governing permissions
     12 # and limitations under the License.
     13 #
     14 # When distributing Covered Code, include this CDDL HEADER in each
     15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16 # If applicable, add the following below this CDDL HEADER, with the
     17 # fields enclosed by brackets "[]" replaced with your own identifying
     18 # information: Portions Copyright [yyyy] [name of copyright owner]
     19 #
     20 # CDDL HEADER END
     21 #
     22 
     23 #
     24 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     25 # Use is subject to license terms.
     26 #
     27 # ident	"%Z%%M%	%I%	%E% SMI"
     28 #
     29 
     30 LDELIM="\n--------------------------------------------------------------------\n\n"
     31 DIGEST=/usr/bin/digest
     32 dest=copyright
     33 
     34 #
     35 # Destination file should not be under version control
     36 #
     37 if [ -f SCCS/s.${dest} ]; then
     38 	echo "${dest} should not be under SCCS control">&2
     39 	exit 1
     40 fi	
     41 
     42 #
     43 # We must have a list of files to start with
     44 #
     45 if [ $# -eq 0 ]; then
     46 	echo "${dest} may not be empty">&2
     47 	exit 2
     48 fi
     49 
     50 echo "building `basename ${PWD}` ${dest} file from $*"
     51 rm -f ${dest}
     52 typeset -A encountered
     53 delimiter=""
     54 for f; do
     55 	if [ ! -s "${f}" ]; then
     56 		echo "${f} should not be empty">&2
     57 		exit 3
     58 	fi
     59 	hash=`${DIGEST} -a sha1 < $f`
     60 	if [ -z "${encountered[${hash}]}" ]; then
     61 		encountered[${hash}]="yes"
     62 		( print "${delimiter}\c"; cat ${f}; ) >> ${dest}
     63 		delimiter="${LDELIM}"
     64 	fi
     65 done
     66 
     67 exit 0
     68