gots a runscript

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/catalyst/trunk@119 d1e1f19c-881f-0410-ab34-b69fee027534

diff --git a/examples/x86-livecd-stage3-runscript.sh b/examples/x86-livecd-stage3-runscript.sh
index 598901603ce878a4e4694294b1cbba2806e44510..5a0ea431d4b743a7766625e83d165c8abeb1c8fe 100644 (file)
--- a/examples/x86-livecd-stage3-runscript.sh
+++ b/examples/x86-livecd-stage3-runscript.sh
@@ -1,32 +1,59 @@
 # Copyright 1999-2004 Gentoo Technologies, Inc.
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo/src/catalyst/examples/Attic/x86-livecd-stage3-runscript.sh,v 1.1 2004/01/07 18:46:57 drobbins Exp $
+# $Header: /var/cvsroot/gentoo/src/catalyst/examples/Attic/x86-livecd-stage3-runscript.sh,v 1.2 2004/01/09 01:12:25 drobbins Exp $
+
+die() {
+       echo "$1"
+       exit 1
+}
 
 case $1 in
 run)
-       #probably don't need to run anything in the chroot, but we support it just in case.
-       ;;
+       #for running anything inside the chroot before the cleaning begins. This would normally
+       #be done during the build of the livecd-stage2 target, but we support doing stuff here
+       #too (although it should be avoided when possible.)
+       $clst_CHROOT $clst_chroot_path /bin/bash << EOF
+       echo "CDBOOT=1" >> /etc/rc.conf
+EOF
+       [ $? -ne 0 ] && exit 1
+;;
 preclean)
        #preclean runs with bind mounts active -- for running any commands inside chroot
-       ;;
+       $clst_CHROOT $clst_chroot_path /bin/bash << EOF
+       emerge -C gcc binutils
+EOF
+       [ $? -ne 0 ] && exit 1
+;;
 clean)
-       #clean runs after the bind mounts have been deactivated, and "livecd-stage3/clean" directories have been wiped.
+       #clean runs after the bind mounts have been deactivated and and "livecd-stage3/clean"
+       #directories have been wiped. This is where you should run commands that wipe out
+       #things like static libraries, or other things that can't be cleaned up using the
+       #"livecd-stage3/clean" variable in the spec file (which is used to wipe out directory
+       #trees.)
+       find $clst_chroot_path/usr/lib -iname "*.a" -exec rm -f {} \;
        ;;
 cdroot_setup)
-       #use this to set up the cdroot ($clst_cdroot_path)
+       #use this to set up the cdroot ($clst_cdroot_path). This directory is meant to contain
+       #a filesystem tree of what will be burned to the CD. We extract the "cdtar" to this
+       #directory, which will normally contain a pre-built binary boot-loader and a filesystem
+       #skeleton for the ISO.
+       
        cdtar=$clst_livecd_stage3_cdtar
-       if [ "$cdtar" != "" ]
-       then
-               tar xpvf $cdtar -C $clst_cdroot_path || die
-       fi
-       install -d $clst_cdroot_path/isolinux
+       [ "$cdtar" = "" ] && die "No livecd-stage3/cdtar specified (required)"
+       tar xpvf $cdtar -C $clst_cdroot_path || die "Couldn't extract cdtar $cdtar"
        if [ "$clst_boot_kernel" = "" ]
        then
                echo "No boot/kernel setting defined, exiting."
                exit 1
        fi
+       first=""
        for x in $clst_boot_kernel
        do
+               if [ "$first" = "" ]
+               then
+                       #grab name of first kernel
+                       first="$x"
+               fi
                if [ ! -e "$clst_source_path/$x.tar.bz2" ] 
                then
                        echo "Can't find kernel tarball at $clst_source_path/$x.tar.bz2"
@@ -38,5 +65,40 @@ cdroot_setup)
                #change initrd name from "initrd" to "gentoo.igz", for example
                mv $clst_cdroot_path/isolinux/initrd $clst_cdroot_path/isolinux/$x.igz
        done
+       icfg=$clst_cdroot_path/isolinux/isolinux.cfg
+       echo "default $first" > $icfg
+       for x in $clst_boot_kernel
+       do
+               echo >> $icfg
+               echo "label $x" >> $icfg
+               echo "  kernel $x" >> $icfg
+               echo "  append initrd=$x.igz root=/dev/ram0 init=/linuxrc" >> $icfg
+       done
+       #OK, now we need to prepare the loopback filesystem that we'll be booting. This is
+       #tricky.
+       echo "Calculating size of loopback filesystem..."
+       loopsize=`du -ks $clst_cdroot_path`
+       #increase the size by 1/4, then divide by 4 to get 4k blocks
+       loopsize=$(( ( $loopsize + ( $loopsize /4 ) ) / 4 ) ))
+       echo "Creating loopback file..."
+       dd if=/dev/zero of=$clst_cdroot_path/livecd.loop bs=4k count=$loopsize || die "livecd.loop creation failure"
+       echo "Calculating number of inodes required for ext2 filesystem..."
+       numnodes=`find $clst_chroot_path | wc -l`
+       numnodes=$(( $numnodes + 200 ))
+       mke2fs -F -b 4096 -m 0 -N $numnodes -q $clst_cdroot_path/livecd.loop || die "Couldn't create ext2 filesystem"
+       #some error handling should probably be added here for handling the loopback mount cleanup
+       install -d $clst_cdroot_path/loopmount
+       mount -t ext2 -o loop $clst_cdroot_path/livecd.loop || die "Couldn't mount loopback ext2 filesystem"
+       cp -a $clst_chroot_path/* $clst_cdroot_path/loopmount
+       [ $? -ne 0 ] && ( umount $clst_cdroot_path/loopmount; die "Couldn't copy files to loopback ext2 filesystem" )
+       umount $clst_cdroot_path/loopmount || die "Couldn't unmount loopback ext2 filesystem"
+       rm -rf $clst_cdroot_path/loopmount
+       #now, $clst_cdroot_path should contain a proper bootable image for our iso, including
+       #boot loader and loopback filesystem.
+       ;;
+iso_create)
+       #this is for the livecd-final target, and calls the proper command to build the iso file
+       mkisofs -J -R -l -o ${clst_iso_path} -b isolinux/isolinux.bin -c isolinux/boot.cat \
+       -no-emul-boot -boot-load-size 4 -boot-info-table $clst_cdroot_path
        ;;
 esac