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spode@0
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1 #!/bin/sh
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spode@0
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2 # Tazusb - SliTaz LiveUSB
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3 #
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4 # Tazusb is an utility to generate, configure and manipulate SliTaz LiveUSB
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5 # bootable media and/or USB /home partition, such as flash keys, SD card or
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6 # USB harddisk.
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7 #
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8 # Authors : Christophe Lincoln (Pankso) <pankso@slitaz.org>
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9 # Andrew Miller (Spode) <spode@spodesabode.com>
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10 #
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11 VERSION=20080312
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12
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13 COMMAND=$1
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14 TARGET_ROOT=/media/flash
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15 DRIVE_NAME=`cat /proc/sys/dev/cdrom/info | grep "drive name" | cut -f 3`
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16 CDROM=/dev/$DRIVE_NAME
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17
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18 #
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19 # Tazusb functions
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20 #
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21
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22 # Print the usage.
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23 usage ()
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24 {
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25 echo -e "\nSliTaz Live USB - Version: $VERSION\n
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26 \033[1mUsage: \033[0m `basename $0` [command] [compression|device]
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27 \033[1mCommands: \033[0m\n
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28 usage Print this short usage.
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29 writefs Write the current filesystem to rootfs.gz.
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30 tazSupported compression: lzma. gzip, none.
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pankso@3
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31 format Format and label device with ext3 filesystem
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32 (for LiveUSB or /home).
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33 gen-liveusb Generate a bootable LiveUSB using files from the LiveCD.\n"
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34 }
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35
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36 # Status function.
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37 status()
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38 {
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39 local CHECK=$?
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40 echo -en "\\033[70G[ "
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41 if [ $CHECK = 0 ]; then
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42 echo -en "\\033[1;33mOK"
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43 else
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44 echo -en "\\033[1;31mFailed"
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45 fi
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46 echo -e "\\033[0;39m ]"
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47 }
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48
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49 # Exit if user is not root.
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50 check_root()
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51 {
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52 if test $(id -u) != 0 ; then
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53 echo -e "\nThis program requires being run as root.\n"
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54 exit 0
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55 fi
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56 }
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57
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58 # Display a list of available partition.
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59 fdisk_list()
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60 {
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61 echo ""
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62 fdisk -l | grep ^/dev/sd*
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63 echo ""
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64 }
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65
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66 # We need a USB media to install.
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67 ask_for_device()
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68 {
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69 echo -n "\
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70 Please specify the target USB device to $COMMAND. You can type 'list' to
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71 get a list of devices, type 'exit' or give an empty value to exit.
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72
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73 Device to use : "; read anser
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74 while [ "$anser" == "list" ]; do
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75 fdisk_list
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76 echo -n "Device to use : "; read anser
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77 done
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78 if [ "$anser" = "" -o "$anser" = "exit" ]; then
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79 echo -e "\nNo specified device or exit.\n"
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80 exit 0
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81 else
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82 DEVICE=$anser
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83 fi
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84 }
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85
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86 # Verify a device exists before format or install
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87 check_for_device()
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88 {
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89 IFDEV=`fdisk -l | grep $DEVICE`
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90 if [ -z "$IFDEV" ]; then
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91 echo -e "\nUnable to find device: $DEVICE\n"
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92 exit 0
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93 fi
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94 }
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95
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96 #gets the UUID and filesystem type
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97 get_part_info()
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98 {
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99 UUID=`blkid -s UUID -o value $DEVICE`
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100 FSTYPE=`blkid -s TYPE -o value $DEVICE`
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101 }
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102
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103 # Format target device and label partition.
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104 mkfs_ext3()
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105 {
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106 echo -n "Please specify a label for the partition (TazUSB): "
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107 read label
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108
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109 if [ -z $label ]; then
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110 label=TazUSB
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111 fi
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112
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113 echo "Label : $label"
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114 echo "Mkfs : mkfs.ext3 -L \"$label\" $DEVICE"
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115 echo "" && sleep 2
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116 mkfs.ext3 -L "$label" $DEVICE
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117
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118 }
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119
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120 # Mount an existing USB device.
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121 unmount_target_usb()
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122 {
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123 # If mount point is in use, unmount
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124 if mount | grep $TARGET_ROOT; then
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125 umount $TARGET_ROOT
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126 fi
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127
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128 # Device could be mounted elsewhere, so unmount
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129 if mount | grep $DEVICE; then
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130 echo "Unmounting USB target device..."
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131 umount $DEVICE
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132 fi
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133 }
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134
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135 # Mount an existing USB device.
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136 mount_target_usb()
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137 {
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138 echo "Mounting USB target device..."
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139 mkdir -p $TARGET_ROOT
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140 mount $DEVICE $TARGET_ROOT 2>/dev/null
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141 }
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142
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143 # Mount SliTaz LiveCD to get needed files.
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144 mount_cdrom()
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145 {
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146 echo "Mounting cdrom device..."
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147
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148 if mount | grep /media/cdrom; then
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149 umount /media/cdrom
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150 fi
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151
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152 mkdir -p /media/cdrom
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153 mount -r -t iso9660 $CDROM /media/cdrom 2>/dev/null
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154
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155 if [ ! -f /media/cdrom/boot/rootfs.gz ]; then
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156 echo -e "\nUnable to mount cdrom or to find a filesystem on it (rootfs.gz).\n"
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157 exit 0
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158 fi
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159 }
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160
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161 # All needed files are in the boot direcory of the cdrom.
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162 copy_cdrom_files()
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163 {
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164 echo -n "Copying needed files from cdrom..."
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165 mkdir -p $TARGET_ROOT/boot
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166 cp /media/cdrom/boot/bzImage $TARGET_ROOT/boot
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167 cp /media/cdrom/boot/rootfs.gz $TARGET_ROOT/boot
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168 status
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169 }
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170
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171 install_mbr()
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172 {
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173 # MBR
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174 DISK=${DEVICE%[1-99]}
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175 if [ -f /usr/share/syslinux/mbr.bin ]; then
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176 echo -n "Installing a new MBR to: $DISK"
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177 cat /usr/share/syslinux/mbr.bin > $DISK
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178 status
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179 else
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180 # Skip MBR install (tazpkg get-install syslinux-extra ? and then cat)
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181 echo "No new MBR installed to: $DISK"
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182 fi
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183 }
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184
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185 # ext/syslinux install
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186 install_boot()
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187 {
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188 #decide if we're installing syslinux or extlinux
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189 if [ "$FSTYPE" = "vfat" ]; then
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190 ST=syslinux
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191 STC="syslinux -d /boot/syslinux/ $DEVICE"
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192 STE=cfg
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193 else
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194 ST=extlinux
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195 STC="extlinux --install $TARGET_ROOT/boot/$ST"
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196 STE=conf
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197 fi
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198
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199 echo "Installing bootloader: $ST"
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200 mkdir -p $TARGET_ROOT/boot/$ST
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201 $STC
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202
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203 # extlinux.conf / syslinux.cfg
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204 cat > $TARGET_ROOT/boot/$ST/$ST.$STE << _EOT_
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205 display display.txt
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206 default slitaz
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207 timeout 20
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208 label slitaz
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209 kernel /boot/bzImage
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210 append initrd=/boot/rootfs.gz rw root=/dev/null home=$UUID
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211
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212 label previous
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213 kernel /boot/bzImage
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214 append initrd=/boot/previous.gz rw root=/dev/null home=$UUID
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215
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216 _EOT_
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217
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218 # display.txt
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219 cat > $TARGET_ROOT/boot/$ST/display.txt << "EOT"
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220 _______. __ __ .___________. ___ ________
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221 / || | | | | | / \ | /
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222 | (----`| | | | `---| |---` / ^ \ `---/ /
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223 \ \ | | | | | | / /_\ \ / /
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224 .----) | | `----.| | | | / _____ \ / /----.
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225 |_______/ |_______||__| |__| /__/ \__\ /________|
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226
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227
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228 SliTaz GNU/Linux LiveUSB
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229 Simple Light Incredible Temporary Autonomus Zone
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230
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231
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232 EOT
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233 status
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234 }
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235
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236 # Let user exit or reboot.
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237 exit_or_reboot()
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238 {
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239 echo ""
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240 echo -n "Do you want to exit Tazusb or reboot system (Exit/reboot) ? "
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241 read anser
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242 if [ "$anser" == "reboot" ]; then
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243 umount $TARGET_ROOT
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244 umount /media/cdrom
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245 reboot || reboot -f
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246 else
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247 umount /media/cdrom
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248 echo "==============================================================================="
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249 echo ""
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250 exit 0
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251 fi
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252 }
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253
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254 set_bootable()
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255 {
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256 # As the boot flag is toggable, need to check it before hand
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257 ISSET=`fdisk -l $DEVICE | grep $DEVICE | grep "*"`
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258
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259 # If not set, set bootable
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260 if [ -z "$ISSET" ]; then
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261 umount $DEVICE
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262 echo "Setting $DEVICE as bootable..."
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263 fdisk $DEVICE >/dev/null << EOF
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264 a
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265 1
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266 w
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267 EOF
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268 status
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269 fi
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270 }
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271
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272 #
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273 # Tazusb sequence
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274 #
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275
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276 case $COMMAND in
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277 writefs)
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278 #writefs to rootfs.gz
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279 check_root
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280 if [ -z $2 ]; then
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281 COMPRESSION=none
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282 else
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283 COMPRESSION=$2
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284 fi
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spode@0
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285 #start info
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286 echo ""
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287 echo -e "\033[1mWrite filesystem\033[0m
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288 ===============================================================================
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289 The command writefs will write all the current filesystem into a suitable cpio
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290 archive (rootfs.gz) usable on a bootable LiveUSB media.
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291
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292 Archive compression: $COMPRESSION"
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293 echo ""
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294
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295 #clear out tazpkg cache
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296 rm /var/cache/tazpkg/* -r -f
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297
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298 #optionally remove sound card selection
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299 echo -n "Do you wish to remove the sound card selection (Yes/no/exit) ? "
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pankso@5
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300 read anser
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pankso@5
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301 case $anser in
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pankso@5
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302 e|E|"exit"|Exit)
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pankso@5
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303 exit 0
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pankso@5
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304 ;;
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pankso@5
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305 y|Y|yes|Yes)
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pankso@5
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306 echo -n "Removing current sound card selection..."
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pankso@5
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307 rm -f /var/lib/sound-card-driver
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pankso@5
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308 rm -f /etc/asound.state
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pankso@5
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309 ;;
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pankso@5
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310 *)
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pankso@5
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311 echo -n "Keeping current sound card selection..."
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pankso@5
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312 ;;
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pankso@5
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313 esac
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314 status
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315
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316 #create list of files
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317 find /bin /etc /init /sbin /var /dev /lib /mnt /root /usr >/tmp/list
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318
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319 for dir in /home /proc /sys /tmp /media /media/cdrom /media/flash /media/usbdisk
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320 do
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321 echo $dir >>/tmp/list
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322 done
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323
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spode@0
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324 #gen initramfs with specified compression
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325 if [ "$COMPRESSION" = "lzma" ]; then
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326 echo -n "Creating rootfs.gz with lzma compression... "
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327 cat /tmp/list | cpio -o -H newc | lzma e -si -so > /rootfs.gz
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328
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329 elif [ "$COMPRESSION" = "gzip" ]; then
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330 echo -n "Creating rootfs.gz with gzip compression... "
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331 cat /tmp/list | cpio -o -H newc | gzip -9 > /rootfs.gz
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spode@0
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332
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spode@0
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333 else
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spode@0
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334 echo -n "Creating rootfs.gz without compression... "
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spode@0
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335 cat /tmp/list | cpio -o -H newc > /rootfs.gz
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spode@0
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336 fi
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spode@0
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337
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spode@0
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338 #get initramfs size
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339 size=`du -sh /rootfs.gz | cut -f 1`
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340
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spode@0
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341 #if the bootable medium is where it should be, copy across
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spode@0
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342
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spode@0
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343 if (test -e /home/boot/bzImage); then
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spode@0
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344 echo "Moving rootfs.gz to media. Remember to unmount for delayed writes!"
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spode@0
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345
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spode@0
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346 #move the old filesystem with the unix timestamp for reference
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spode@0
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347 if (test -e /home/boot/previous.gz); then
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spode@0
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348 mv /home/boot/previous.gz /home/boot/rootfs.gz.$(date +%s)
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spode@0
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349 fi
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spode@0
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350
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spode@0
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351 mv /home/boot/rootfs.gz /home/boot/previous.gz
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spode@0
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352 mv /rootfs.gz /home/boot/.
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spode@0
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353 else
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spode@0
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354 echo "rootfs.gz is located in /"
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spode@0
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355 fi
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spode@0
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356
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spode@0
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357 echo "==============================================================================="
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spode@0
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358 echo "Root filesystem size: $size"
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spode@0
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359 echo ""
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spode@0
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360 ;;
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spode@0
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361 format)
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spode@0
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362 # Format a partitions in ext3.
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spode@0
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363 check_root
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spode@0
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364 echo ""
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spode@0
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365 echo -e "\033[1mFormat a device\033[0m"
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spode@0
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366 echo "==============================================================================="
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spode@0
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367 DEVICE=$2
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spode@0
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368 if [ -z $DEVICE ]; then
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hacker@12
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369 ask_for_device
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hacker@12
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370 check_for_device
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hacker@12
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371 else
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hacker@12
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372 echo "Device : $DEVICE"
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spode@0
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373 fi
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spode@0
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374 mkfs_ext3
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spode@0
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375 echo "==============================================================================="
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spode@9
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376 echo "Device $label ($DEVICE) is ready to use as LiveUSB and/or /home partition."
|
spode@0
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377 echo ""
|
spode@0
|
378 ;;
|
spode@0
|
379 gen-liveusb)
|
spode@0
|
380 # Generate a LiveUSB media using files from a LiveCD.
|
spode@0
|
381 check_root
|
spode@0
|
382 echo ""
|
spode@0
|
383 echo -e "\033[1mGen a LiveUSB media\033[0m"
|
spode@0
|
384 echo "==============================================================================="
|
spode@0
|
385 DEVICE=$2
|
spode@0
|
386 if [ -z $DEVICE ]; then
|
hacker@12
|
387 ask_for_device
|
spode@0
|
388 fi
|
spode@0
|
389
|
spode@0
|
390 check_for_device
|
pankso@11
|
391 mount_cdrom
|
spode@0
|
392 get_part_info
|
spode@0
|
393 unmount_target_usb
|
spode@0
|
394 install_mbr
|
spode@0
|
395 set_bootable
|
spode@0
|
396 mount_target_usb
|
spode@0
|
397 copy_cdrom_files
|
spode@0
|
398 install_boot
|
spode@0
|
399 exit_or_reboot
|
spode@0
|
400 ;;
|
spode@0
|
401 usage|*)
|
spode@0
|
402 # Display usage by default.
|
spode@0
|
403 usage
|
spode@0
|
404 ;;
|
spode@0
|
405 esac
|
spode@0
|
406
|
spode@0
|
407 exit 0
|