tazlito rev 101
Add tazlito merge
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Sat Aug 08 10:07:24 2009 +0200 (2009-08-08) |
| parents | 9b31f28a4eb0 |
| children | 329dcaa0bd9b |
| files | tazlito |
line diff
1.1 --- a/tazlito Fri Aug 07 11:57:01 2009 +0200 1.2 +++ b/tazlito Sat Aug 08 10:07:24 2009 +0200 1.3 @@ -88,6 +88,7 @@ 1.4 gen-distro Generate a Live distro and ISO from a list of packages. 1.5 clean-distro Remove all files generated by gen-distro. 1.6 check-distro Help to check if distro is ready to release. 1.7 + merge Merge multiple rootfs into one iso. 1.8 burn-iso Burn ISO image to a cdrom using Wodim.\n" 1.9 } 1.10 1.11 @@ -102,6 +103,7 @@ 1.12 echo -en "\\033[1;31mFailed" 1.13 fi 1.14 echo -e "\\033[0;39m ]" 1.15 + return $CHECK 1.16 } 1.17 1.18 yesorno() 1.19 @@ -226,6 +228,19 @@ 1.20 fi 1.21 } 1.22 1.23 +create_iso() 1.24 +{ 1.25 + genisoimage -R -o $1 -b boot/isolinux/isolinux.bin \ 1.26 + -c boot/isolinux/boot.cat -no-emul-boot -boot-load-size 4 \ 1.27 + -V "$VOLUM_NAME" -p "$PREPARED" -input-charset iso8859-1 \ 1.28 + -boot-info-table $2 1.29 + if [ -x /usr/bin/isohybrid ]; then 1.30 + echo -n "Create hybrid ISO..." 1.31 + /usr/bin/isohybrid $1 2> /dev/null 1.32 + status 1.33 + fi 1.34 +} 1.35 + 1.36 # Generate a new ISO image using isolinux. 1.37 gen_livecd_isolinux() 1.38 { 1.39 @@ -251,15 +266,7 @@ 1.40 echo "" 1.41 echo -e "\033[1mGenerating ISO image\033[0m" 1.42 echo "================================================================================" 1.43 - genisoimage -R -o $ISO_NAME.iso -b boot/isolinux/isolinux.bin \ 1.44 - -c boot/isolinux/boot.cat -no-emul-boot -boot-load-size 4 \ 1.45 - -V "$VOLUM_NAME" -p "$PREPARED" -input-charset iso8859-1 \ 1.46 - -boot-info-table $ROOTCD 1.47 - if [ -x /usr/bin/isohybrid ]; then 1.48 - echo -n "Create hybrid ISO..." 1.49 - /usr/bin/isohybrid $ISO_NAME.iso 2> /dev/null 1.50 - status 1.51 - fi 1.52 + create_iso $ISO_NAME.iso $ROOTCD 1.53 echo -n "Creating the ISO md5sum..." 1.54 md5sum $ISO_NAME.iso > $ISO_NAME.md5 1.55 status 1.56 @@ -268,6 +275,22 @@ 1.57 genisohooks final 1.58 } 1.59 1.60 +# Pack rootfs 1.61 +pack_rootfs() 1.62 +{ 1.63 + ( cd $1 ; find . -print | cpio -o -H newc ) | \ 1.64 + if [ "$COMPRESSION" = "none" ]; then 1.65 + echo -n "Generating uncompressed initramfs... " 1.66 + cat > $2 1.67 + elif [ -x /usr/bin/lzma -a "$COMPRESSION" != "gzip" ]; then 1.68 + echo -n "Generating lzma'ed initramfs... " 1.69 + lzma e -si -so -d24 > $2 1.70 + else 1.71 + echo -n "Generating gziped initramfs... " 1.72 + gzip -9 > $2 1.73 + fi 1.74 +} 1.75 + 1.76 # Generate a new initramfs from the root filesystem. 1.77 gen_initramfs() 1.78 { 1.79 @@ -296,16 +319,7 @@ 1.80 ) 1.81 1.82 # Use lzma if installed 1.83 - if [ "$COMPRESSION" = "none" ]; then 1.84 - echo -n "Generating uncompressed initramfs... " 1.85 - find . -print | cpio -o -H newc > $DISTRO/$INITRAMFS 1.86 - elif [ -x /usr/bin/lzma -a "$COMPRESSION" != "gzip" ]; then 1.87 - echo -n "Generating lzma'ed initramfs... " 1.88 - find . -print | cpio -o -H newc | lzma e -si -so -d24 > $DISTRO/$INITRAMFS 1.89 - else 1.90 - echo -n "Generating gziped initramfs... " 1.91 - find . -print | cpio -o -H newc | gzip -9 > $DISTRO/$INITRAMFS 1.92 - fi 1.93 + pack_rootfs . $DISTRO/$INITRAMFS 1.94 cd $DISTRO 1.95 mv $INITRAMFS $ROOTCD/boot 1.96 } 1.97 @@ -367,6 +381,51 @@ 1.98 EOF 1.99 } 1.100 1.101 +# extract rootfs.gz somewhere 1.102 +extract_rootfs() 1.103 +{ 1.104 + (zcat $1 || unlzma -c $1 || cat $1) 2>/dev/null | \ 1.105 + (cd $2; cpio -idm > /dev/null) 1.106 +} 1.107 + 1.108 +# Remove duplicate files 1.109 +mergefs() 1.110 +{ 1.111 + # merge symlinks files and devices 1.112 + ( cd $1; find ) | while read file; do 1.113 + if [ -L $1/$file ]; then 1.114 + [ -L $2/$file ] && 1.115 + [ "$(readlink $1/$file)" == "$(readlink $2/$file)" ] && 1.116 + rm -f $2/$file 1.117 + elif [ -f $1/$file ]; then 1.118 + [ -f $2/$file ] && 1.119 + cmp $1/$file $2/$file > /dev/null 2>&1 && rm -f $2/$file 1.120 + [ -f $2/$file ] && 1.121 + [ "$(basename $file)" == "volatile.cpio.gz" ] && 1.122 + [ "$(dirname $(dirname $file))" == \ 1.123 + "./var/lib/tazpkg/installed" ] && rm -f $2/$file 1.124 + elif [ -b $1/$file ]; then 1.125 + [ -b $2/$file ] && rm -f $2/$file 1.126 + elif [ -c $1/$file ]; then 1.127 + [ -c $2/$file ] && rm -f $2/$file 1.128 + fi 1.129 + done 1.130 + 1.131 + # cleanup directories 1.132 + ( cd $1; find ) | while read file; do 1.133 + if [ -d $1/$file ]; then 1.134 + [ -d $2/$file ] && rmdir $2/$file 2> /dev/null 1.135 + fi 1.136 + done 1.137 + true 1.138 +} 1.139 + 1.140 +cleanup_merge() 1.141 +{ 1.142 + rm -rf $TMP_DIR 1.143 + exit 1 1.144 +} 1.145 + 1.146 #################### 1.147 # Tazlito commands # 1.148 #################### 1.149 @@ -532,9 +591,7 @@ 1.150 # Extract initramfs. 1.151 cd $TARGET/rootfs 1.152 echo -n "Extracting the rootfs... " 1.153 - ( zcat ../rootcd/boot/rootfs.gz 2>/dev/null || \ 1.154 - lzma d ../rootcd/boot/rootfs.?z -so 2>/dev/null || \ 1.155 - cat ../rootcd/boot/rootfs.gz ) | cpio -id 1.156 + extract_rootfs ../rootcd/boot/rootfs.gz $TARGET/rootfs 1.157 # unpack /usr 1.158 for i in etc/tazlito/*.extract; do 1.159 [ -f "$i" ] && . $i ../rootcd 1.160 @@ -1043,6 +1100,144 @@ 1.161 fi 1.162 echo "" 1.163 ;; 1.164 + merge) 1.165 + # Merge multiple rootfs into one iso. 1.166 + # 1.167 + if [ -z "$2" ]; then 1.168 + cat << EOT 1.169 +Usage: tazlito merge size1 iso size2 rootfs2 [sizeN rootfsN]... 1.170 + 1.171 +Merge multiple rootfs into one iso. Rootfs are like russian doll 1.172 +i.e: rootfsN is a subset of rootfsN-1 1.173 +rootfs1 is found in iso, sizeN is the RAM size need to launch rootfsN. 1.174 +The boot loader will select the rootfs according to the RAM size detected. 1.175 + 1.176 +Example: 1.177 +$ tazlito merge 160M slitaz-core.iso 96M rootfs-justx.gz 32M rootfs-base.gz 1.178 + 1.179 +Will start slitaz-core with 160M+ RAM, slitaz-justX with 96M-160M RAM, 1.180 +slitaz-base with 32M-96M RAM and display an error message if RAM < 32M. 1.181 +EOT 1.182 + exit 2 1.183 + fi 1.184 + 1.185 + shift # skip merge 1.186 + append="append $(( (${1%M} - 3) * 1024 )) slitaz1" 1.187 + shift # skip size1 1.188 + mkdir -p $TMP_DIR/mnt $TMP_DIR/rootfs1 1.189 + 1.190 + ISO=$1.merged 1.191 + # Extract filesystems 1.192 + echo -n "Mount $1" 1.193 + mount -o loop,ro $1 $TMP_DIR/mnt 2> /dev/null 1.194 + status || cleanup_merge 1.195 + cp -a $TMP_DIR/mnt $TMP_DIR/iso 1.196 + rm -f $TMP_DIR/iso/boot/bzImage 1.197 + ln $TMP_DIR/iso/boot/vmlinuz* $TMP_DIR/iso/boot/bzImage 1.198 + umount -d $TMP_DIR/mnt 1.199 + if [ -f $TMP_DIR/iso/boot/rootfs1.gz ]; then 1.200 + echo "$1 is already a merged iso. Abort." 1.201 + cleanup_merge 1.202 + fi 1.203 + if [ ! -f $TMP_DIR/iso/boot/isolinux/ifmem.c32 ]; then 1.204 + if [ ! -f /boot/isolinux/ifmem.c32 ]; then 1.205 + cat <<EOT 1.206 +No file /boot/isolinux/ifmem.c32 1.207 +Please install syslinux package ! 1.208 +EOT 1.209 + rm -rf $TMP_DIR 1.210 + exit 1 1.211 + fi 1.212 + cp /boot/isolinux/ifmem.c32 $TMP_DIR/iso/boot/isolinux 1.213 + fi 1.214 + 1.215 + echo -n "Extract iso/rootfs.gz" 1.216 + extract_rootfs $TMP_DIR/iso/boot/rootfs.gz $TMP_DIR/rootfs1 && 1.217 + [ -d $TMP_DIR/rootfs1/etc ] 1.218 + status || cleanup_merge 1.219 + n=1 1.220 + while [ -n "$2" ]; do 1.221 + shift # skip rootfs N-1 1.222 + p=$n 1.223 + n=$(($n + 1)) 1.224 + append="$append $(( (${1%M} - 3) * 1024 )) slitaz$n" 1.225 + shift # skip size N 1.226 + mkdir -p $TMP_DIR/rootfs$n 1.227 + echo -n "Extract $1" 1.228 + extract_rootfs $1 $TMP_DIR/rootfs$n && 1.229 + [ -d $TMP_DIR/rootfs$n/etc ] 1.230 + status || cleanup_merge 1.231 + echo -n "Merge rootfs$n into rootfs$p" 1.232 + mergefs $TMP_DIR/rootfs$n $TMP_DIR/rootfs$p 1.233 + status 1.234 + echo "Create rootfs$p.gz" 1.235 + pack_rootfs $TMP_DIR/rootfs$p $TMP_DIR/iso/boot/rootfs$p.gz 1.236 + status 1.237 + done 1.238 + echo "Create rootfs$n.gz" 1.239 + pack_rootfs $TMP_DIR/rootfs$n $TMP_DIR/iso/boot/rootfs$n.gz 1.240 + status 1.241 + rm -f $TMP_DIR/iso/boot/rootfs.gz 1.242 + 1.243 + echo -n "Update boot files" 1.244 + grep -l 'include common' $TMP_DIR/iso/boot/isolinux/*.cfg | \ 1.245 + while read file ; do 1.246 + awk -v n=$n '{ 1.247 +if (/label/) label=$0; 1.248 +else if (/kernel/) kernel=$0; 1.249 +else if (/append/) { 1.250 + i=index($0,"rootfs.gz"); 1.251 + append=substr($0,i+9); 1.252 +} 1.253 +else if (/include/) { 1.254 + for (i = 1; i <= n; i++) { 1.255 + print label i 1.256 + print kernel; 1.257 + initrd="initrd=/boot/rootfs" n ".gz" 1.258 + for (j = n - 1; j >= i; j--) { 1.259 + initrd=initrd ",/boot/rootfs" j ".gz"; 1.260 + } 1.261 + printf "\tappend %s%s\n",initrd,append; 1.262 + print ""; 1.263 + } 1.264 + print; 1.265 +} 1.266 +else print; 1.267 +}' < $file > $file.$$ 1.268 + mv -f $file.$$ $file 1.269 + done 1.270 + cat >> $TMP_DIR/iso/boot/isolinux/common.cfg <<EOT 1.271 +label slitaz 1.272 + kernel /boot/isolinux/ifmem.c32 1.273 + $append noram 1.274 + 1.275 +label noram 1.276 + config noram.cfg 1.277 + 1.278 +EOT 1.279 + cat >> $TMP_DIR/iso/boot/isolinux/noram.cfg <<EOT 1.280 +display isolinux.msg 1.281 +say Not enough RAM to boot slitaz. 1.282 +default reboot 1.283 +label reboot 1.284 + com32 reboot.c32 1.285 + 1.286 +implicit 0 1.287 +prompt 1 1.288 +timeout 80 1.289 +F1 help.txt 1.290 +F2 options.txt 1.291 +F3 isolinux.msg 1.292 +F4 display.txt 1.293 +F5 enhelp.txt 1.294 +F6 enopts.txt 1.295 +EOT 1.296 + status 1.297 + echo "Generate $ISO" 1.298 + create_iso $ISO $TMP_DIR/iso 1.299 + rm -rf $TMP_DIR 1.300 + ;; 1.301 + 1.302 usage|*) 1.303 # Clear and print usage also for all unknown commands. 1.304 #