debian-cd-clone/tools/scanpackages

#!/bin/sh

# Copyright 1999 Rapha<68>l Hertzog <hertzog@debian.org>
# See the README file for the license

# This script will create the Packages.gz and the Packages.cd files
# First arg = "scan" or "install"
# Second arg = directory of the CD

#set -e

PREFIX=$2
NUM=${PREFIX##$TDIR/$CODENAME-$ARCH/}
if [ -n "$NONFREE" ]; then
  SECTIONS="main contrib non-free"
else
  SECTIONS="main contrib"
fi

cd "$2"

if [ "$1" = "install" ]; then

for SECT in $SECTIONS; do
	# Install the release files
	cp $MIRROR/dists/$CODENAME/$SECT/binary-$ARCH/Release \
   		dists/$CODENAME/$SECT/binary-$ARCH/
	if [ -n "$NONUS" -a "$CODENAME" != "slink" ]; then
		cp $NONUS/dists/$CODENAME/non-US/$SECT/binary-$ARCH/Release \
		   dists/$CODENAME/non-US/$SECT/binary-$ARCH/
	fi
	# Install the Packages and Packages.gz files
	grep -v ^X-Medium $PREFIX.Packages-$SECT \
	     >dists/$CODENAME/$SECT/binary-$ARCH/Packages
	grep -v ^X-Medium $PREFIX.Packages-$SECT | gzip --best \
	     >dists/$CODENAME/$SECT/binary-$ARCH/Packages.gz
	if [ -n "$NONUS" -a "$CODENAME" != "slink" ]; then
		grep -v ^X-Medium $PREFIX.Packages-non-US-$SECT \
		     >dists/$CODENAME/non-US/$SECT/binary-$ARCH/Packages
		grep -v ^X-Medium $PREFIX.Packages-non-US-$SECT | gzip --best \
		     >dists/$CODENAME/non-US/$SECT/binary-$ARCH/Packages.gz
	fi
	# Install the Packages.cd and Packages.cd.gz files
	# Each CD know about all prior CDs
	for i in $TDIR/$CODENAME-$ARCH/*.packages; do
		dir=${i%%.packages}
		n=${dir##$TDIR/$CODENAME-$ARCH/}
		if [ $n -le $NUM ]; then
		   cat $dir.Packages-$SECT \
			  >>dists/$CODENAME/$SECT/binary-$ARCH/Packages.cd
		   cat $dir.Packages-$SECT | gzip --best \
			  >>dists/$CODENAME/$SECT/binary-$ARCH/Packages.cd.gz
		   if [ -n "$NONUS" -a "$CODENAME" != "slink" ]; then
		      cat $dir.Packages-non-US-$SECT \
		      >>dists/$CODENAME/non-US/$SECT/binary-$ARCH/Packages.cd
		      cat $dir.Packages-non-US-$SECT | gzip --best \
		      >>dists/$CODENAME/non-US/$SECT/binary-$ARCH/Packages.cd.gz
		   fi
		fi
	done
done

if [ -n "$NONUS" -a "$CODENAME" = "slink" ]; then
	cp $NONUS/dists/$CODENAME/non-US/binary-$ARCH/Release \
	   dists/$CODENAME/non-US/binary-$ARCH/
	grep -v ^X-Medium $PREFIX.Packages-non-US \
	     >dists/$CODENAME/non-US/binary-$ARCH/Packages
	grep -v ^X-Medium $PREFIX.Packages-non-US | gzip --best \
	     >dists/$CODENAME/non-US/binary-$ARCH/Packages.gz
	for i in $TDIR/$CODENAME-$ARCH/*.packages; do
		dir=${i%%.packages}
		n=${dir##$TDIR/$CODENAME-$ARCH/}
		if [ $n -le $NUM ]; then
		      cat $dir.Packages-non-US \
		          >>dists/$CODENAME/non-US/binary-$ARCH/Packages.cd
		      cat $dir.Packages-non-US | gzip --best \
		          >>dists/$CODENAME/non-US/binary-$ARCH/Packages.cd.gz
		fi
	done
fi

if [ -n "$LOCAL" ]; then
	if [ -e $MIRROR/dists/$CODNAME/local/binary-$ARCH/Release ]; then
	   cp $MIRROR/dists/$CODENAME/local/binary-$ARCH/Release \
   		dists/$CODENAME/local/binary-$ARCH/
	fi
	grep -v ^X-Medium $PREFIX.Packages-local \
	     >dists/$CODENAME/local/binary-$ARCH/Packages
	grep -v ^X-Medium $PREFIX.Packages-local | gzip --best \
	     >dists/$CODENAME/local/binary-$ARCH/Packages.gz

	for i in $TDIR/$CODENAME-$ARCH/*.packages; do
		dir=${i%%.packages}
		n=${dir##$TDIR/$CODENAME-$ARCH/}
		if [ $n -le $NUM ]; then
			cat $dir.Packages-local \
			    >>dists/$CODENAME/local/binary-$ARCH/Packages.cd
			cat $dir.Packages-local | gzip --best \
			    >>dists/$CODENAME/local/binary-$ARCH/Packages.cd.gz
		fi
	done
fi


fi

# Creates the temp Packages-$SECT files
if [ "$1" != "scan" ]; then exit 0; fi

for SECT in $SECTIONS; do

	# Look at the ugly hack for the main special case ...

	dpkg-scanpackages -m "`cat .disk/info`" \
	          dists/$CODENAME/$SECT/binary-$ARCH \
                  $MIRROR/indices/override.$CODENAME.`t=${SECT}.; echo -n ${t##main.}`gz \
		  > $PREFIX.Packages-$SECT
   
	if [ -n "$NONUS" -a "$CODENAME" != "slink" ]; then
 		 dpkg-scanpackages -m "`cat .disk/info`" \
		        dists/$CODENAME/non-US/$SECT/binary-$ARCH \
                  	$NONUS/indices-non-US/override.$CODENAME.`t=${SECT}.; echo -n ${t##main.}`gz \
		  	> $PREFIX.Packages-non-US-$SECT
	fi
	
done

# Slink special case
if [ -n "$NONUS" -a "$CODENAME" = "slink" ]; then
	dpkg-scanpackages -m "`cat .disk/info`" \
	     dists/$CODENAME/non-US/binary-$ARCH \
	     $NONUS/indices-non-US/override.$CODENAME.gz \
		  	> $PREFIX.Packages-non-US
fi

if [ -n "$LOCAL" ]; then
	dpkg-scanpackages -m "`cat .disk/info`" \
	     dists/$CODENAME/local/binary-$ARCH \
	     /dev/null > $PREFIX.Packages-local
fi

exit 0