SliTaz Repositories

     1.1 --- a/tazlito	Wed Mar 24 20:57:25 2010 +0100
     1.2 +++ b/tazlito	Fri Mar 26 11:54:05 2010 +0100
     1.3 @@ -95,6 +95,7 @@
     1.4    writeiso        Use running system to generate a bootable ISO (with /home).
     1.5    merge           Merge multiple rootfs into one iso.
     1.6    repack          Recompress rootfs into iso with maximum ratio.
     1.7 +  build-loram     Generate a live-CD for low ram systems.
     1.8    frugal-install  Frugal install in /boot/frugal from a distro or ISO.
     1.9    emu-iso         Emulate an ISO image with Qemu.
    1.10    burn-iso        Burn ISO image to a cdrom using Wodim.\n"
    1.11 @@ -238,6 +239,7 @@
    1.12  
    1.13  create_iso()
    1.14  {
    1.15 +	echo "Generating $1"
    1.16  	genisoimage -R -o $1 -b boot/isolinux/isolinux.bin \
    1.17   		-c boot/isolinux/boot.cat -no-emul-boot -boot-load-size 4 \
    1.18  		-V "$VOLUM_NAME" -p "$PREPARED" -input-charset iso8859-1 \
    1.19 @@ -600,6 +602,288 @@
    1.20  	status
    1.21  }
    1.22  
    1.23 +# Install a missing package
    1.24 +install_package()
    1.25 +{
    1.26 +	echo -n "Install package $1 "
    1.27 +	[ -n "$2" ] && echo -n "for kernel $2 "
    1.28 +	echo -n "?"
    1.29 +	read answer
    1.30 +	case "$answer" in
    1.31 +	y*|Y*|o*|O*)	yes y | tazpkg get-install $1;;
    1.32 +	*)		return 1;;
    1.33 +	esac
    1.34 +}
    1.35 +
    1.36 +# Check iso for loram transformation
    1.37 +check_iso_for_loram()
    1.38 +{
    1.39 +	[ -s $TMP_DIR/iso/boot/rootfs.gz ] ||
    1.40 +	[ -s $TMP_DIR/iso/boot/rootfs1.gz ]
    1.41 +}
    1.42 +
    1.43 +# Build initial rootfs for loram ISO ram/cdrom
    1.44 +build_initfs()
    1.45 +{
    1.46 +	version=$(ls $TMP_DIR/iso/boot/vmlinuz-* | sed 's/.*vmlinuz-//')
    1.47 +	need_lib=false
    1.48 +	mkdir -p $TMP_DIR/initfs/bin $TMP_DIR/initfs/dev $TMP_DIR/initfs/lib \
    1.49 +		 $TMP_DIR/initfs/mnt $TMP_DIR/initfs/proc $TMP_DIR/initfs/tmp
    1.50 +	while [ ! -f /lib/modules/$version/kernel/fs/aufs/aufs.ko.gz ]; do
    1.51 +		install_package linux-aufs $version || return 1
    1.52 +	done
    1.53 +	cp /lib/modules/$version/kernel/fs/aufs/aufs.ko.gz \
    1.54 +		$TMP_DIR/initfs/lib
    1.55 +	if [ -f /bin/cromfs-driver ]; then
    1.56 +		cp /bin/cromfs-driver $TMP_DIR/initfs/bin
    1.57 +	else
    1.58 +		[ ! -f /usr/sbin/mksquashfs ] && ! install_package squashfs && return 1
    1.59 +		while [ ! -f /lib/modules/$version/kernel/fs/squashfs/squashfs.ko.gz ]; do
    1.60 +			install_package linux-squashfs $version || return 1
    1.61 +		done
    1.62 +		cp /lib/modules/$version/kernel/fs/squashfs/squashfs.ko.gz \
    1.63 +			 $TMP_DIR/initfs/lib
    1.64 +	fi
    1.65 +	if [ "$1" == "cdrom" ]; then
    1.66 +		for i in $(ls /dev/[hs]d[a-f]); do
    1.67 +			cp -a $i $TMP_DIR/initfs/dev
    1.68 +		done
    1.69 +	fi
    1.70 +	if [ -x /usr/share/boot/busybox-static ]; then
    1.71 +		cp /usr/share/boot/busybox-static $TMP_DIR/initfs/bin/busybox
    1.72 +	else
    1.73 +		cp /bin/busybox $TMP_DIR/initfs/bin
    1.74 +		need_lib=true
    1.75 +	fi
    1.76 +	for i in $($TMP_DIR/initfs/bin/busybox | awk \
    1.77 +	  '{ if (s) printf "%s",$0 } /Currently/ { s=1 }' | sed 's/,//g'); do
    1.78 +		ln $TMP_DIR/initfs/bin/busybox $TMP_DIR/initfs/bin/$i
    1.79 +	done
    1.80 +	for i in /dev/console /dev/loop* /dev/null /dev/tty /dev/zero \
    1.81 +		 /dev/kmem /dev/mem /dev/random /dev/urandom; do
    1.82 +		cp -a $i $TMP_DIR/initfs/dev
    1.83 +	done
    1.84 +	$need_lib && for i in /lib/ld-* /lib/lib[cm].so* /lib/lib[cm]-* ; do
    1.85 +		cp -a $i $TMP_DIR/initfs/lib
    1.86 +	done
    1.87 +	cat > $TMP_DIR/initfs/init <<EOTEOT
    1.88 +#!/bin/sh
    1.89 +
    1.90 +getarg()
    1.91 +{
    1.92 +	grep -q " \$1=" /proc/cmdline || return 1
    1.93 +	eval \$2=\$(sed 's/.* loram=\\([^ ]*\\).*/\\1/' < /proc/cmdline)
    1.94 +	return 0
    1.95 +}
    1.96 +
    1.97 +copy_rootfs()
    1.98 +{
    1.99 +	total=\$(grep MemTotal /proc/meminfo | sed 's/[^0-9]//g')
   1.100 +	need=\$(du -c \${path}rootfs* | tail -n 1 | cut -f1)
   1.101 +	[ \$(( \$total / \$need )) -gt 1 ] || return 1
   1.102 +	if ! grep -q " keep-loram" /proc/cmdline && cp \${path}rootfs* /mnt; then
   1.103 +		path=/mnt/
   1.104 +		return 0
   1.105 +	else
   1.106 +		rm -f /mnt/rootfs*
   1.107 +		return 1
   1.108 +	fi
   1.109 +}
   1.110 +
   1.111 +echo "Switching / to tmpfs..."
   1.112 +mount -t proc proc /proc
   1.113 +size="\$(grep rootfssize= < /proc/cmdline | \\
   1.114 +	sed 's/.*rootfssize=\\([0-9]*[kmg%]\\).*/-o size=\\1/')"
   1.115 +[ -n "\$size" ] || size="-o size=90%"
   1.116 +
   1.117 +if [ -f \$(echo /rootfs*.gz | cut -f1 -d' ') ]; then	# loram-ram
   1.118 +
   1.119 +total=\$(grep MemTotal /proc/meminfo | sed 's/[^0-9]//g')
   1.120 +free=\$(grep MemFree /proc/meminfo | sed 's/[^0-9]//g')
   1.121 +if [ \$(( \$total/\$free )) -gt 1 ] || ! mount -t tmpfs \$size tmpfs /mnt; then
   1.122 +	echo "No tmpfs for /mnt"
   1.123 +	mkdir -p /mnt/.rw
   1.124 +	mount -t tmpfs tmpfs /mnt/.rw
   1.125 +	mkdir -p /mnt/.rw/mnt/.rw
   1.126 +	path=/
   1.127 +else
   1.128 +	mkdir -p /mnt/.rw
   1.129 +	path=/mnt/.
   1.130 +	for i in rootfs* ; do
   1.131 +		mv /\$i \$path\$i 
   1.132 +	done
   1.133 +fi
   1.134 +insmod /lib/squashfs.ko.gz
   1.135 +
   1.136 +else				# loram-cdrom
   1.137 +
   1.138 +getarg cdrom DRIVE_NAME ||
   1.139 +DRIVE_NAME=\$(grep "drive name" < /proc/sys/dev/cdrom/info | cut -f 3)
   1.140 +DEVICE=/dev/\$DRIVE_NAME
   1.141 +DIR=fs
   1.142 +if getarg loram DIR; then
   1.143 +	DEVICE=\${DIR%,*}
   1.144 +	DIR=/\${DIR#*,}
   1.145 +fi
   1.146 +mount -t tmpfs \$size tmpfs /mnt
   1.147 +mkdir -p /mnt/.rw /mnt/.cdrom /mnt/mnt/.cdrom
   1.148 +i=0
   1.149 +while [ \$i -lt 5 ] && ! mount -r \$DEVICE /mnt/.cdrom; do
   1.150 +	case "\$DEVICE" in
   1.151 +	/dev/sd*|UUID=*|LABEL=*)
   1.152 +		mount -t sysfs sysfs /sys
   1.153 +		USBDELAY=\$(cat /sys/module/usb_storage/parameters/delay_use)
   1.154 +		umount /sys
   1.155 +		sleep \$((1+\$USBDELAY)) ;;
   1.156 +	esac
   1.157 +	i=\$((i+1))
   1.158 +done
   1.159 +path=/mnt/.cdrom/
   1.160 +copy_rootfs && insmod /lib/squashfs.ko.gz && umount -d /mnt/.cdrom
   1.161 +
   1.162 +fi
   1.163 +
   1.164 +memfree=\$(grep MemFree /proc/meminfo | sed 's/[^0-9]//g')
   1.165 +umount /proc
   1.166 +branch=br=/mnt/.rw:/mnt/.cdrom/\$DIR
   1.167 +if [ ! -d /mnt/.cdrom/fs/etc ]; then
   1.168 +branch=br=/mnt/.rw
   1.169 +for i in \${path}rootfs* ; do
   1.170 +	fs=\${i#*root}
   1.171 +	branch=\$branch:/mnt/.\$fs
   1.172 +	mkdir -p /mnt/.rw/mnt/.\$fs /mnt/.\$fs
   1.173 +	if [ -f /bin/cromfs-driver ]; then
   1.174 +		cromfs-driver \${path}root\$fs /mnt/.\$fs -o ro,dev,suid,allow_other
   1.175 +	else
   1.176 +		mount -o loop,ro -t squashfs \${path}root\$fs /mnt/.\$fs
   1.177 +	fi
   1.178 +done
   1.179 +fi
   1.180 +insmod /lib/aufs.ko.gz
   1.181 +mount -t aufs -o \$branch none /mnt
   1.182 +[ \$memfree -lt 30000 ] && sed -i 's/ slim//' /mnt/etc/rcS.conf
   1.183 +[ -x /mnt/sbin/init ] && exec /bin/switch_root mnt /sbin/init || sh
   1.184 +EOTEOT
   1.185 +	chmod +x $TMP_DIR/initfs/init
   1.186 +	( cd $TMP_DIR/initfs ; find | busybox cpio -o -H newc 2> /dev/null) | \
   1.187 +	lzma e $TMP_DIR/initfs.gz -si
   1.188 +	rm -rf $TMP_DIR/initfs
   1.189 +	rem=$(( $(stat -c "%s" $TMP_DIR/initfs.gz) % 4 ))
   1.190 +	[ $rem -ne 0 ] &&
   1.191 +	dd if=/dev/zero bs=1 count=$(( 4 - $rem )) >> $TMP_DIR/initfs.gz 2> /dev/null
   1.192 +	return 0
   1.193 +}
   1.194 +
   1.195 +# Move each initramfs to squashfs (or cromfs)
   1.196 +build_loram_rootfs()
   1.197 +{
   1.198 +	rootfs_sizes=""
   1.199 +	for i in $TMP_DIR/iso/boot/rootfs*.gz; do
   1.200 +		mkdir -p $TMP_DIR/fs
   1.201 +		cd $TMP_DIR/fs
   1.202 +		( zcat $i 2> /dev/null || unlzma -c $i) | cpio -idm
   1.203 +		cd - > /dev/null
   1.204 +		rootfs=$TMP_DIR/$(basename $i)
   1.205 +		if [ -x /usr/bin/mkcromfs ]; then
   1.206 +			/usr/bin/mkcromfs -qq -f 262144 -b 16384 $TMP_DIR/fs $rootfs
   1.207 +		else
   1.208 +			/usr/sbin/mksquashfs $TMP_DIR/fs $rootfs -comp lzma
   1.209 +		fi
   1.210 +		cd $TMP_DIR
   1.211 +		rootfs_sizes="$rootfs_sizes $(( $(du -s $TMP_DIR/fs | cut -f1) - $(du -s $rootfs | cut -f1) ))"
   1.212 +		if [ "$1" != "cdrom" ]; then
   1.213 +			( cd $(dirname $rootfs); echo $(basename $rootfs) | \
   1.214 +			  cpio -o -H newc ) > $rootfs.cpio
   1.215 +			rm -f $rootfs
   1.216 +			mv $rootfs.cpio $rootfs
   1.217 +		fi
   1.218 +		cd - > /dev/null
   1.219 +		rm -rf $TMP_DIR/fs
   1.220 +	done
   1.221 +}
   1.222 +
   1.223 +# Move meta boot configuration files to basic configuration files
   1.224 +# because meta loram flavor is useless when rootfs is not load in ram
   1.225 +unmeta_boot()
   1.226 +{
   1.227 +	if [ -f $TMP_DIR/loramiso/boot/isolinux/noram.cfg ]; then
   1.228 +		# We keep enough information to do unloram...
   1.229 +		sed -i 's/label slitaz/label orgslitaz/' \
   1.230 +			$TMP_DIR/loramiso/boot/isolinux/common.cfg
   1.231 +		sed -i	-e 's|=/boot/rootfs\(.*\).gz |=/boot/rootfs.gz |' \
   1.232 +			-e 's|label slitaz1|label slitaz|' \
   1.233 +			-e '/label slitaz[1-9]/{NNNd}' \
   1.234 +			$TMP_DIR/loramiso/boot/isolinux/*.cfg
   1.235 +	fi
   1.236 +}
   1.237 +
   1.238 +# Move rootfs to squashfs filesystem(s) in the cdrom writeable with aufs.
   1.239 +# These squashfs may be load in ram a boot time.
   1.240 +# Rootfs are also copied to cdrom for tiny ramsize systems.
   1.241 +# Meta flavors are converted to normal flavors.
   1.242 +build_loram_cdrom()
   1.243 +{
   1.244 +	build_initfs cdrom || return 1
   1.245 +	build_loram_rootfs cdrom
   1.246 +	cp -a $TMP_DIR/iso $TMP_DIR/loramiso
   1.247 +	mkdir $TMP_DIR/loramiso/fs
   1.248 +	cd $TMP_DIR/loramiso/fs
   1.249 +	for i in $( ls ../boot/root* | sort -r ) ; do
   1.250 +		( zcat $i 2> /dev/null || unlzma -c $i ) | cpio -idmu
   1.251 +		rm -f $i
   1.252 +	done
   1.253 +	cd - > /dev/null
   1.254 +	mv $TMP_DIR/initfs.gz $TMP_DIR/loramiso/boot/rootfs.gz
   1.255 +	mv $TMP_DIR/rootfs*.gz $TMP_DIR/loramiso
   1.256 +	mkdir -p $TMP_DIR/loramiso/fs/mnt/.cdrom
   1.257 +	unmeta_boot
   1.258 +	create_iso $OUTPUT $TMP_DIR/loramiso
   1.259 +}
   1.260 +
   1.261 +# Update meta flavor selection sizes.
   1.262 +# Reduce sizes with rootfs gains.
   1.263 +update_metaiso_sizes()
   1.264 +{
   1.265 +	local append="$(grep append $TMP_DIR/loramiso/boot/isolinux/common.cfg)"
   1.266 +	local new
   1.267 +	[ -n "$append" ] || return
   1.268 +	set -- $append
   1.269 +	shift
   1.270 +	new=""
   1.271 +	while [ -n "$2" ]; do
   1.272 +		local s
   1.273 +		case "$1" in
   1.274 +		*G) s=$(( ${1%G} * 1024 * 1024 ));;
   1.275 +		*M) s=$(( ${1%M} * 1024 ));;
   1.276 +		*)  s=${1%K};;
   1.277 +		esac
   1.278 +		rootfs_sizes=${rootfs_sizes#* }
   1.279 +		for i in $rootfs_sizes ; do
   1.280 +			s=$(( $s - $i ))
   1.281 +		done
   1.282 +		new="$new $s $2"
   1.283 +		shift 2
   1.284 +	done
   1.285 +	sed -i "s/append .*/append$new $1/" $TMP_DIR/loramiso/boot/isolinux/common.cfg 
   1.286 +}
   1.287 +
   1.288 +# Move rootfs to a squashfs filesystem into the initramfs writeable with aufs.
   1.289 +# Meta flavor selection sizes are updated.
   1.290 +build_loram_ram()
   1.291 +{
   1.292 +	build_initfs ram || return 1
   1.293 +	build_loram_rootfs
   1.294 +	cp -a $TMP_DIR/iso $TMP_DIR/loramiso
   1.295 +	rm -f $TMP_DIR/loramiso/boot/bzImage
   1.296 +	ln $TMP_DIR/loramiso/boot/vmlinuz* $TMP_DIR/loramiso/boot/bzImage
   1.297 +	rootfs=$(ls $TMP_DIR/rootfs* | sort | tail -n 1)
   1.298 +	cat $rootfs >> $TMP_DIR/initfs.gz
   1.299 +	mv $TMP_DIR/initfs.gz $rootfs
   1.300 +	cp $TMP_DIR/rootfs* $TMP_DIR/loramiso/boot
   1.301 +	update_metaiso_sizes
   1.302 +	create_iso $OUTPUT $TMP_DIR/loramiso
   1.303 +}
   1.304 +
   1.305  ####################
   1.306  # Tazlito commands #
   1.307  ####################
   1.308 @@ -1743,7 +2027,6 @@
   1.309  		status
   1.310  		rm -f $TMP_DIR/iso/boot/rootfs.gz
   1.311  		update_bootconfig $TMP_DIR/iso/boot/isolinux "$append"
   1.312 -		echo "Generating $ISO"
   1.313  		create_iso $ISO $TMP_DIR/iso
   1.314  		rm -rf $TMP_DIR
   1.315  		;;
   1.316 @@ -1764,16 +2047,38 @@
   1.317  		
   1.318  		for i in $TMP_DIR/iso/boot/rootfs* ; do
   1.319  			echo -n "Repacking $(basename $i)"
   1.320 -			(zcat $i || unlzma -c $i || cat $i) \
   1.321 +			(zcat $i 2> /dev/null || unlzma -c $i || cat $i) \
   1.322  				2>/dev/null > $TMP_DIR/rootfs
   1.323  			lzma e $TMP_DIR/rootfs $i \
   1.324  				 $(lzma_switches $TMP_DIR/rootfs)
   1.325  			status
   1.326  		done
   1.327  		
   1.328 -		echo "Generating $ISO"
   1.329  		create_iso $ISO $TMP_DIR/iso
   1.330  		rm -rf $TMP_DIR ;;
   1.331 +
   1.332 +	build-loram)
   1.333 +		# Build a Live CD for low ram systems.
   1.334 +		#
   1.335 +
   1.336 +		ISO=$2
   1.337 +		OUTPUT=$3
   1.338 +		mkdir -p $TMP_DIR/iso
   1.339 +		mount -o loop,ro -t iso9660 $ISO $TMP_DIR/iso
   1.340 +		if ! check_iso_for_loram ; then
   1.341 +			echo "$2 is not a valid SliTaz live CD. Abort."
   1.342 +			umount -d $TMP_DIR/iso
   1.343 +			rm -rf $TMP_DIR
   1.344 +			exit 1
   1.345 +		fi
   1.346 +
   1.347 +		case "$4" in
   1.348 +		cdrom)	build_loram_cdrom ;;
   1.349 +		*)	build_loram_ram ;;
   1.350 +		esac
   1.351 +		umount -d $TMP_DIR/iso
   1.352 +		rm -rf $TMP_DIR ;;
   1.353 +
   1.354  	
   1.355  	frugal-install|-fi)
   1.356  		ISO_IMAGE="$2"

     2.1 --- a/tazlitobox	Wed Mar 24 20:57:25 2010 +0100
     2.2 +++ b/tazlitobox	Fri Mar 26 11:54:05 2010 +0100
     2.3 @@ -111,6 +111,17 @@
     2.4  	editor $DISTRO_SCRIPT
     2.5  }
     2.6  
     2.7 +loram_action()
     2.8 +{
     2.9 +	case "$LORAM_RAM$LORAM_CDROM" in
    2.10 +	falsetrue)	type=cdrom ;;
    2.11 +	*)		type=ram ;;
    2.12 +	esac
    2.13 +	xterm -geometry 80x16 \
    2.14 +		-title "build loram iso image $LORAM_OUT" \
    2.15 +		-e "tazlito build-loram $LORAM_IN $LORAM_OUT $type ; echo -e \"----\nENTER to continue...\" && read close"
    2.16 +}
    2.17 +
    2.18  merge_input()
    2.19  {
    2.20  	set -- $(cat /tmp/tazlito.mergelist 2> /dev/null)
    2.21 @@ -265,7 +276,7 @@
    2.22  	</pixmap>
    2.23  	</hbox>
    2.24  
    2.25 -	<notebook labels="Writeiso|Live flavor|Flavors list|Gen flavor|Meta|Configuration">
    2.26 +	<notebook labels="Writeiso|Live flavor|Flavors list|Gen flavor|Meta|Low RAM|Configuration">
    2.27  
    2.28  	<frame Filesystem to ISO>
    2.29  
    2.30 @@ -496,6 +507,62 @@
    2.31  	
    2.32  	</frame>
    2.33  	
    2.34 +	<frame Low RAM ISO image>
    2.35 +
    2.36 +	<vbox>
    2.37 +		<hbox>
    2.38 +	<text wrap="true" width-chars="25" use-markup="true">
    2.39 +		<label>
    2.40 +"
    2.41 +Build a low RAM version
    2.42 +of a SliTaz ISO image.
    2.43 +The root filesystem is
    2.44 +compressed and slower.
    2.45 +"
    2.46 +		</label>
    2.47 +	</text>
    2.48 +
    2.49 +			<vbox>
    2.50 +		<radiobutton>
    2.51 +			<label>The filesystem is always in RAM.</label>
    2.52 +			<variable>LORAM_RAM</variable>
    2.53 +		</radiobutton>
    2.54 +		<radiobutton>
    2.55 +			<label>The filesystem may be on CDROM.</label>
    2.56 +			<variable>LORAM_CDROM</variable>
    2.57 +		</radiobutton>
    2.58 +			</vbox>
    2.59 +		</hbox>
    2.60 +		<hbox>
    2.61 +			<text use-markup="true">
    2.62 +				<label>"<b>ISO input: </b>"</label>
    2.63 +			</text>
    2.64 +			<entry accept="filename">
    2.65 +				<variable>LORAM_IN</variable>
    2.66 +			</entry>
    2.67 +			<button>
    2.68 +				<input file stock="gtk-open"></input>
    2.69 +				<action type="fileselect">LORAM_IN</action>
    2.70 +			</button>
    2.71 +		</hbox>
    2.72 +		<hbox>
    2.73 +			<text use-markup="true">
    2.74 +				<label>"<b>ISO ouput:</b>"</label>
    2.75 +			</text>
    2.76 +			<entry accept="filename">
    2.77 +				<default>loram.iso</default>
    2.78 +				<variable>LORAM_OUT</variable>
    2.79 +			</entry>
    2.80 +			<button>
    2.81 +				<input file icon="go-next"></input>
    2.82 +				<label>"Build ISO"</label>
    2.83 +				<action>$BIN loram_action</action>
    2.84 +			</button>
    2.85 +		</hbox>
    2.86 +	</vbox>
    2.87 +	
    2.88 +	</frame>
    2.89 +	
    2.90  	<frame Flavor config and packages list>
    2.91  
    2.92  	<text wrap="true" width-chars="60" use-markup="true">