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archfs

By: a guest on Oct 12th, 2012  |  syntax: None  |  size: 1.90 KB  |  hits: 50  |  expires: Never
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  1. #!/bin/sh
  2. #
  3. # Archfs - entirely copied from part of the Tazusb utility supplied with
  4. # SLiTaz GNU Linux - with some cosmetic changes.
  5. #
  6. #
  7. ### Tazusb - SliTaz LiveUSB
  8. ###
  9. ### Tazusb is an utility to generate, configure and manipulate SliTaz LiveUSB
  10. ### bootable media and/or USB /home partition, such as flash keys, SD card or
  11. ### USB harddisk.
  12. ###
  13. ### Authors : Christophe Lincoln (Pankso) <pankso@slitaz.org>
  14. ###           Andrew Miller (Spode) <spode@spodesabode.com>
  15. #
  16. COMMAND=$1
  17.  
  18. case $COMMAND in
  19.         writefs)
  20.                 # Writefs to rootfs.gz
  21.                 if [ -z $2 ]; then
  22.                         COMPRESSION=none
  23.                 else
  24.                         COMPRESSION=$2
  25.                 fi
  26.                 # Start info
  27.                 echo ""
  28.                 echo -e "\033[1mWrite filesystem\033[0m
  29. ===============================================================================
  30. The command writefs will write all the current filesystem into a suitable cpio
  31. archive (rootfs.gz) usable on a bootable LiveUSB media.
  32.  
  33. Archive compression: $COMPRESSION"
  34.                 echo ""
  35. # Create list of files
  36.                 find /bin /etc /init /sbin /var /lib /lib64 /root /usr >/tmp/list
  37.  
  38.                 for dir in /boot /dev /home /proc /sys /tmp /mnt /media /run
  39.                 do
  40.                         echo $dir >>/tmp/list
  41.                 done
  42.                
  43.        
  44.                 # Generate initramfs with specified compression
  45.                 if [ "$COMPRESSION" = "lzma" ]; then
  46.                         echo -n "Creating archfs.gz with lzma compression... "
  47.                         cat /tmp/list | cpio -o -H newc | lzma > /archfs.gz
  48.  
  49.                 elif [ "$COMPRESSION" = "gzip" ]; then
  50.                         echo -n "Creating archfs.gz with gzip compression... "
  51.                         cat /tmp/list | cpio -o -H newc | gzip -9 > /archfs.gz
  52.  
  53.                 else
  54.                         echo -n "Creating archfs.gz without compression... "
  55.                         cat /tmp/list | cpio -o -H newc > /archfs.gz
  56.                 fi
  57.  
  58.  
  59.                 # Get initramfs size
  60.                 size=`du -sh /archfs.gz | cut -f 1`
  61.  
  62.        
  63.                 echo "==============================================================================="
  64.                 echo "Root filesystem size: $size"
  65.                 echo ""
  66.                 echo -en "----\nENTER to continue..."; read i
  67.                 ;;
  68. esac
  69.  
  70. exit 0