rework installation scripts for block devices

Avoid sfdisk, parted and chroot to be more portable.
Compile Host grub in target/tools, only used for ibmx40 target
right now. Add pt - partition table manager from OpenWrt with some
additions and portability fixes.
Cfgfs support missing, coming soon.

1 files changed, 44 insertions, 156 deletions

diff --git a/scripts/install.sh b/scripts/install.sh
index b436767a5..3e07a7181 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -1,26 +1,11 @@
 #!/usr/bin/env bash
-if [ $(id -u) -ne 0 ];then
-	printf "Installation is only possible as root\n"
-	exit 1
-fi
-
-printf "Checking if sfdisk is installed"
-sfdisk=$(which sfdisk)
-
-if [ ! -z $sfdisk -a -x $sfdisk ];then
-	printf "...okay\n"
-else
-	printf "...failed\n"
-	exit 1
-fi
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
 
-printf "Checking if parted is installed"
-parted=$(which parted)
+TOPDIR=$(pwd)
 
-if [ ! -z $parted -a -x $parted ];then
-	printf "...okay\n"
-else
-	printf "...failed\n"
+if [ $(id -u) -ne 0 ];then
+	printf "Installation is only possible as root\n"
 	exit 1
 fi
 
@@ -34,27 +19,17 @@ else
 	exit 1
 fi
 
-printf "Checking if tune2fs is installed"
-tune2fs=$(which tune2fs)
-
-if [ ! -z $tune2fs -a -x $tune2fs ];then
-	printf "...okay\n"
-else
-	printf "...failed\n"
-	exit 1
-fi
-
 cfgfs=1
-rb532=0
-while getopts "nr" option
+quiet=0
+while getopts "nq" option
 do
 	case $option in
+		q)
+			quiet=1
+			;;
 		n)
 			cfgfs=0
 			;;
-		r)
-			rb532=1
-			;;
 		*)
 			printf "Option not recognized\n"
 			exit 1
@@ -78,33 +53,12 @@ else
 		printf "$2 is not a file, Exiting\n"
 		exit 1
 	fi
-	if [ $rb532 -eq 1 ];then
-		if [ -z $3 ];then
-			printf "Please give the kernel as third parameter\n"
-			exit 2
-		fi
-		if [ -f $3 ];then
-			printf "Installing $3 on $1\n"
-		else
-			printf "$3 is not a file, Exiting\n"
-			exit 1
-		fi
-	fi
 	if [ -b $1 ];then
 		printf "Using $1 as CF/USB disk for installation\n"
-		printf "This will destroy all data on $1, are you sure?\n"
-		printf "Type "y" to continue\n"
-		read y
-		if [ "$y" = "y" ];then
-			$sfdisk -l $1 2>&1 |grep 'No medium'
-			if [ $? -eq 0 ];then
-				exit 1
-			else
-				printf "Starting with installation\n"
-			fi
-		else
-			printf "Exiting.\n"
-			exit 1
+		if [ $quiet -eq 0 ];then
+			printf "This will destroy all data on $1, are you sure?\n"
+			printf "Type "y" to continue\n"
+			read y
 		fi
 	else
 		printf "Sorry $1 is not a block device\n"
@@ -112,26 +66,11 @@ else
 	fi
 fi
 	
-
 if [ $(mount | grep $1| wc -l) -ne 0 ];then
 	printf "Block device $1 is in use, please umount first.\n"
 	exit 1
 fi
 
-
-if [ $($sfdisk -l $1 2>/dev/null|grep Empty|wc -l) -ne 4 ];then
-	printf "Partitions already exist, should I wipe them?\n"
-	printf "Type y to continue\n"
-	read y
-	if [ $y = "y" ];then
-		printf "Wiping existing partitions\n"
-		dd if=/dev/zero of=$1 bs=512 count=1 >/dev/null 2>&1
-	else
-		printf "Exiting.\n"
-		exit 1
-	fi
-fi
-
 case $2 in
 	wrap*)
 		speed=38400
@@ -141,102 +80,51 @@ case $2 in
 		;;
 esac
 
-if [ $rb532 -ne 0 ];then
-	printf "Create partition and filesystem for rb532\n"
-	rootpart=${1}2
-	$parted -s $1 mklabel msdos
-	sleep 2
-	maxsize=$(env LC_ALL=C $parted $1 -s unit cyl print |awk '/^Disk/ { print $3 }'|sed -e 's/cyl//')
-	rootsize=$(($maxsize-2))
-
-	$parted -s $1 unit cyl mkpart primary ext2 0 1
-	$parted -s $1 unit cyl mkpart primary ext2 1 $rootsize
-	$parted -s $1 unit cyl mkpart primary fat32 $rootsize $maxsize
-	$parted -s $1 set 1 boot on
-	$sfdisk --change-id $1 1 27
-	$sfdisk --change-id $1 3 88
-	sleep 2
-	$mke2fs ${1}2
-	sync
-	dd if=$3 of=${1}1 bs=2048
-	sync
-else
-	rootpart=${1}1
-	if [ $cfgfs -eq 0 ];then
-		printf "Create partition and filesystem without cfgfs\n"
-$sfdisk $1 << EOF
-,,L
-;
-;
-;
-y
-EOF
-		$mke2fs ${rootpart}
-	else
-		printf "Create partition and filesystem with cfgfs\n"
-		$parted -s $1 mklabel msdos
-		sleep 2
-		maxsize=$(env LC_ALL=C $parted $1 -s unit cyl print |awk '/^Disk/ { print $3 }'|sed -e 's/cyl//')
-		rootsize=$(($maxsize-2))
-
-		$parted -s $1 unit cyl mkpart primary ext2 0 $rootsize
-		$parted -s $1 unit cyl mkpart primary fat32 $rootsize $maxsize
-		$parted -s $1 set 1 boot on
-		$sfdisk --change-id $1 2 88
-		$mke2fs ${1}1
-	fi
-fi
-
-if [ $? -eq 0 ];then
-	printf "Successfully created partition ${rootpart}\n"
-else
-	printf "Partition creation failed, Exiting.\n"
-	exit 1
-fi
-
-sleep 2
-$tune2fs -c 0 -i 0 -m 1 ${rootpart} >/dev/null
-if [ $? -eq 0 ];then
-	printf "Successfully disabled filesystem checks on ${rootpart}\n"
-else	
-	printf "Disabling filesystem checks failed, Exiting.\n"
-	exit 1
-fi	
-
+rootpart=${1}1
+pt=$TOPDIR/bin/tools/pt
+# get sector size from block device
+maxsector=$(sudo $pt -g $1)
+head=16
+sect=63
+rsize=$(($maxsector / 2))
+
+printf "Creating partition table ...\n"
+table=$(mktemp)
+# generate partition table
+$pt -o $table -s $sect -h $head -p ${rsize}K
+# write partition table to block device
+dd if=$table of=$1 bs=512 count=1 2> /dev/null
+printf "Creating ext2 filesystem ...\n"
+$mke2fs -q ${1}1
+
+printf "Extracting install archive ...\n"
 tmp=$(mktemp -d)
 mount -t ext2 ${rootpart} $tmp
-printf "Extracting install archive\n"
 tar -C $tmp -xzpf $2 
-printf "Fixing permissions\n"
+printf "Fixing permissions ...\n"
 chmod 1777 $tmp/tmp
 chmod 4755 $tmp/bin/busybox
 
-if [ $rb532 -eq 0 ];then
-	printf "Installing GRUB bootloader\n"
-	mkdir -p $tmp/boot/grub
-	mount -o bind /dev $tmp/dev
-	chroot $tmp mount -t proc /proc /proc
-	chroot $tmp mount -t sysfs /sys /sys
+printf "Installing GRUB bootloader ...\n"
+mkdir -p $tmp/boot/grub
 cat << EOF > $tmp/boot/grub/grub.cfg
 set default=0
 set timeout=1
-serial --unit=0 --speed=$speed
-terminal_output serial 
-terminal_input serial 
+terminal_output console
+terminal_input console
 
 menuentry "GNU/Linux (OpenADK)" {
 	insmod ext2
 	set root=(hd0,1)
-	linux /boot/vmlinuz-adk root=/dev/sda1 ro init=/init console=ttyS0,$speed console=tty0 panic=10
+	linux /boot/vmlinuz-adk init=/init
 }
 EOF
-	chroot $tmp grub-install $1
-	umount $tmp/proc
-	umount $tmp/sys
-	umount $tmp/dev
-fi
-
+./bin/tools/sbin/grub-install \
+	--grub-setup=./bin/tools/sbin/grub-setup \
+	--grub-mkimage=./bin/tools/bin/grub-mkimage \
+	--grub-mkdevicemap=./bin/tools/sbin/grub-mkdevicemap \
+	--no-floppy --root-directory=$tmp $1
 umount $tmp
-
 printf "Successfully installed.\n"
+rm -rf $tmp
 exit 0