#!/bin/bash

if [ -z "$1" -o ! -d "$1" ]; then
	echo "$0: updates instimage from a Red Hat RPMS directory"
	echo "usage: $0 <dir>"
	exit 1
fi

pythondeps() {
        DIR=$1

	cp /usr/bin/strace $DIR

	(cd $DIR; \
	    chroot . strace -o straceout.$$ \
		usr/bin/anaconda -m dir://mnt/source --test --text --traceonly
	)

	((cat $DIR/straceout.$$ |
	    grep ^open | grep '= [0-9]' | sed 's/[^"]*"//' | sed 's/".*//' |
	    sort -u | grep /usr/lib/python
	) ;  \
	(cd $DIR;
	    find usr/lib/python* -type f | sed 's,^,/,' \
	)) | sort | uniq -u |
	\
	    sed s,^,./, | while read fn; do
		[ ! -d $DIR/$fn ] && rm $DIR/$fn
	    done

	rm -f $DIR/strace $DIR/straceout.$$
}

SRC=$1/RedHat/RPMS

cd ../trees/hdimage
DEST=$PWD
cd -

cd ../../../RedHat/instimage
DESTGR=$PWD
cd -

echo "DEST is $DEST"
echo "DESTGR is $DESTGR"

PACKAGES="glibc-2 ldconfig setup e2fsprogs-1 XFree86-libs XFree86-SVGA
          XFree86-S3 XFree86-S3V XFree86-FBDev XFree86-75dpi-fonts
          XFree86-3. xpm-3 glib- gtk+- gnome-libs slang python-1 newt
          imlib-1 libpng libtiff libjpeg- libtermcap-2 zlib rpm
          rpm-devel ash- bash- pygtk- pygnome- util-linux procps
          esound-0 audiofile-0 strace"

KEEPFILE=/tmp/keepfile.$$
cat > $KEEPFILE <<EOF
sbin/mkfs.ext2
sbin/mke2fs
sbin/mkswap
etc/nsswitch.conf
lib/ld-*
lib/libNoVersion*
lib/libc*
lib/libm*
lib/libcrypt*
lib/libdl*
lib/libdb1*
lib/libnsl*
lib/libnss_files*
lib/libpthread*
lib/libresolv*
etc/group
etc/passwd
etc/services
usr/lib/libslang*
usr/bin/python*
usr/bin/strace
usr/lib/python*
usr/lib/libnewt*
lib/libtermcap*
usr/lib/libz.*
usr/lib/rpm/rpmpopt
usr/lib/rpm/macros
usr/lib/rpm/rpmrc
usr/lib/librpm.so*
bin/ash
bin/mkfs*
bin/fdisk*
sbin/badblocks
lib/libcom_err*
lib/libe2p*
lib/libext2fs*
lib/libss*
lib/libuuid*
EOF

KEEPFILEGR=/tmp/keepfilegr.$$
cp $KEEPFILE $KEEPFILEGR
cat >> $KEEPFILEGR <<EOF
bin/bash
bin/ps
lib/libproc*
bin/rpm
usr/lib/rpm/rpmpopt
etc/im_palette.pal
etc/imrc
usr/lib/libesd*
usr/lib/libaudio*
usr/lib/libImlib*
usr/lib/gdkimlib*
usr/lib/libimlib-pnm*
usr/lib/libimlib-xpm*
usr/lib/libpng*
usr/lib/libtiff*
usr/lib/libjpeg*
usr/X11R6/lib/libICE*
usr/X11R6/lib/libSM*
usr/X11R6/lib/libX11*
usr/X11R6/lib/libXext*
usr/X11R6/bin/XF86_SVGA
usr/X11R6/bin/XF86_S3
usr/X11R6/bin/XF86_S3V
usr/X11R6/bin/XF86_FBDev
usr/X11R6/lib/X11/Cards
usr/X11R6/lib/X11/fonts/75dpi/cour*
usr/X11R6/lib/X11/fonts/75dpi/helv*
usr/X11R6/lib/X11/fonts/75dpi/fonts*
usr/X11R6/lib/X11/fonts/misc/6x13.pcf.gz
usr/X11R6/lib/X11/fonts/misc/fonts*
usr/X11R6/lib/X11/fonts/misc/cursor*
usr/X11R6/lib/X11/fonts/misc/olcursor*
usr/X11R6/lib/X11/xkb/*
usr/X11R6/lib/X11/rgb/*
usr/X11R6/lib/libXpm*
usr/lib/libglib*
usr/lib/libmodule*
usr/lib/libthread*
etc/gtk/gtkrc
usr/lib/libgtk*
usr/lib/libgdk*
usr/lib/libart*
usr/lib/libgnome*
usr/lib/libgmodule*
usr/lib/libgthread*
usr/lib/libgnomesupport*
usr/lib/libgnomeui*
usr/lib/libgnorba*
usr/lib/libgnorbagtk*
usr/lib/libgtkxmhtml*
usr/share/pixmaps/gnome-default-dlg.png
usr/share/pixmaps/gnome-error.png
usr/share/pixmaps/gnome-info.png
usr/share/pixmaps/gnome-question.png
usr/share/pixmaps/gnome-warning.png
usr/share/pixmaps/no.xpm
usr/share/pixmaps/yes.xpm
usr/bin/chattr*
usr/bin/lsattr*
EOF

for I in $PACKAGES; do
    for J in `ls $SRC/$I*`; do
	if [ "$I" != "rpm-devel" ]; then
            if ! echo $J | grep devel > /dev/null; then
	        RPMS="$RPMS $J"
            fi
        else
                RPMS="$RPMS $J"
	fi
    done
done

rm -rf $DEST; mkdir -p $DEST/usr/sbin
rm -rf $DESTGR; mkdir -p $DESTGR/usr/sbin

for n in $RPMS; do 
    echo "expanding $n"
    rpm2cpio $n | (cd $DEST; cpio -E $KEEPFILE --quiet -iumd)
    rpm2cpio $n | (cd $DESTGR; cpio -E $KEEPFILEGR --quiet -iumd)
done

rm -f $KEEPFILE $KEEPFILEGR

for p in $DEST $DESTGR; do
	find $p -type d | xargs chmod 755

	if [ -f $p/bin/bash ]; then
	    rm -f $p/bin/ash
	    ln -s bash $p/bin/sh
	else
	    ln -s ash $p/bin/sh
	fi

	(cd $p/bin; tar cSpf - .) | (cd $p/usr/bin; tar xSpf -)
	(cd $p/sbin; tar cSpf - .) | (cd $p/usr/sbin; tar xSpf -)
	rm -rf $p/bin
	rm -rf $p/sbin

	rm -rf $p/boot $p/home $p/root $p/tmp

	cp /sbin/ldconfig $p
	(cd $p; chroot $p ./ldconfig \
		$([ -d $p/usr/X11R6/lib ] && echo /usr/X11R6/lib) )
	rm -f $p/ldconfig

	find $p -name "*.so" | xargs strip

	find $p -name "*.py" | while read fn; do
	    if [ -f ${fn}c ]; then
		rm -f $fn
	    fi
	done
done

# Xserver needs a place to put the compiled xkb maps.
rm -rf $DESTGR/usr/X11R6/lib/X11/xkb/compiled
ln -s /tmp $DESTGR/usr/X11R6/lib/X11/xkb/compiled

make install DESTDIR=$DEST > /dev/null
make install DESTDIR=$DESTGR > /dev/null

pythondeps $DEST

# this is only for the minimal second stage

	cd $DEST/usr/lib
	find python1.5 | cpio --quiet -H crc -o | gzip -9 > python1.5.cgz
	rm -rf python1.5
	ls libnewt* libslang* | cpio --quiet -H crc -o | 
		gzip -9 > slang-newt.cgz
	rm -f libnewt* libslang*
	cd -

	cd $DEST/usr/bin
	echo python1.5 | cpio --quiet -H crc -o | gzip -9 > python1.5.cgz
	rm -f python python1.5
	ln -s python1.5 python
	mv anaconda anaconda.real
	cd -

	cp -a anaconda-stub $DEST/usr/bin/anaconda