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#!/bin/sh

# unpacker -- unpacks RPMs into the BUILD directory.
# This is part of SLOCCount, a toolsuite that counts
# source lines of code (SLOC).
# Copyright (C) 2001-2004 David A. Wheeler.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# 
# To contact David A. Wheeler, see his website at:
#  http://www.dwheeler.com.
# 
# 

SPECS=/usr/src/redhat/SPECS
BUILD=/usr/src/redhat/BUILD

BUILD_LIST=/root/build_list
OLD_BUILD_LIST=${BUILD_LIST}.old

echo "lost+found" > $OLD_BUILD_LIST

cd $SPECS
for specfile in *.spec
do
 cd $SPECS
 # The "yes" is to give "yes" to "do you want to run this patch" requests -
 # in particular this is needed to unpack samba.2.0.7 in Red Hat 7.1.
 if yes | rpm -bp $specfile
 then
  # Things were fine, do nothing.
  echo "UNPACKER: Successfully performed rpm -bp $specfile"
 else
  echo "UNPACKER WARNING - ERROR in rpm -bp $specfile"
 fi

 # Find the new BUILD entries, and create cross-references to the old.
 cd $BUILD
 ls | sort > $BUILD_LIST
 CHANGES=`comm -13 $OLD_BUILD_LIST $BUILD_LIST`
 anychange="0"
 for newbuild in $CHANGES
 do
  anychange=1
  echo $specfile > ${newbuild}/ORIGINAL_SPEC_FILE
  echo "UNPACKER: added build $newbuild from $specfile"
  extract_license "$newbuild" "${SPECS}/$specfile" > ${newbuild}/PROGRAM_LICENSE
  # For disk space, erase all HTML files.
  # If disk space is available, REMOVE THIS LINE:
  # find "$newbuild" -type f -name "*.html" -exec rm {} \;
 done
 if [ $anychange == 0 ]
 then
  echo "UNPACKER: did not add a build directory for spec file $specfile"
 fi
 mv $BUILD_LIST $OLD_BUILD_LIST
 
done