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|
#!/bin/sh
# Replicant GTA04 Install script
#
# Copyright (C) 2012 Paul Kocialkowski, GPLv2
#
# Based on mkcard.sh v0.5
# Copyright (C) 2009 Graeme Gregory <dp@xora.org.uk>, GPLv2
# Parts of the procudure base on the work of Denys Dmytriyenko
# http://wiki.omap.com/index.php/MMC_Boot_Format
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Env vars
export LC_ALL=C
# Global vars
DRIVE=""
DRIVE_NAME=""
DRIVE_SIZE=""
DRIVE_CYLINDERS=""
DRIVE_PART=""
SYSTEM_AR=""
MOUNT_BASE="/media"
# Functions
display_banner() {
echo "Replicant GTA04 installer"
echo ""
}
display_help() {
echo "Usage: $0 [DRIVE] [SYSTEM]"
echo ""
echo "Notes: "
echo "- The [DRIVE] argument can be omitted"
echo "- The [SYSTEM] argument must be a tar archive"
}
drive_select_list()
{
drives_dir="/dev/disk/by-id/"
count=0
list=$( ls "$drives_dir" )
for drive in $list
do
drive_nopart=$( echo "$drive" | sed "s/-part[0-9]*$//g" )
if [ "$drive" = "$drive_nopart" ]
then
ls $drives_dir/$drive-part* 2> /dev/null > /dev/null
if [ $? -eq 0 ]
then
count=$(( $count + 1 ))
name=$( echo "$drive" | sed "s/^[^-]*-\(.*\)$/\1/g" )
case "$1" in
"show")
echo "$count - $name"
;;
"store")
if [ $count -eq $2 ]
then
DRIVE=$( readlink -f "$drives_dir/$drive" )
DRIVE_NAME="$name"
fi
;;
esac
fi
fi
done
}
drive_select()
{
echo "Available devices:"
drive_select_list "show"
echo -n "Choice: "
read choice
drive_select_list "store" $choice
echo ""
}
drive_write_confirm() {
if [ "$DRIVE" = "" ]
then
echo "Wrong drive block"
exit 1
fi
echo "This is going to erase the following drive:"
if [ "$DRIVE_NAME" != "" ]
then
echo "- $DRIVE_NAME ($DRIVE)"
else
echo "- $DRIVE"
fi
echo ""
echo -n "Are you sure? "
read confirm
if [ "$confirm" = "y" ] || [ "$confirm" = "Y" ]
then
echo ""
return
else
exit 0
fi
}
drive_umount() {
umount $DRIVE* 2> /dev/null
}
drive_empty() {
dd if=/dev/zero of="$DRIVE" bs=1024 count=1024
}
drive_infos_get() {
DRIVE_SIZE=$( fdisk -l "$DRIVE" | grep Disk | grep bytes | awk '{print $5}' )
DRIVE_CYLINDERS=$( echo "$DRIVE_SIZE/255/63/512" | bc )
}
drive_partitions_set() {
system_size=$( echo "(250 * 1024 * 1024) / ($DRIVE_SIZE/$DRIVE_CYLINDERS)" | bc )
data_size=$( echo "(250 * 1024 * 1024) / ($DRIVE_SIZE/$DRIVE_CYLINDERS)" | bc )
cache_size=$( echo "(100 * 1024 * 1024) / ($DRIVE_SIZE/$DRIVE_CYLINDERS)" | bc )
{
echo ",$system_size,83"
echo ",$data_size,83"
echo ",$cache_size,83"
echo ",,0c"
} | sfdisk -D -H 255 -S 63 -C "$DRIVE_CYLINDERS" "$DRIVE"
mkfs.ext2 -L "system" "${DRIVE}1"
mkfs.ext2 -L "data" "${DRIVE}2"
mkfs.ext2 -L "cache" "${DRIVE}3"
mkfs.vfat -F 32 -n "storage" "${DRIVE}4"
}
system_write() {
echo "Writing system files"
mkdir -p "$MOUNT_BASE/system"
mount "${DRIVE}1" "$MOUNT_BASE/system"
tar -p -xf $SYSTEM_AR -C "$MOUNT_BASE/system" "system"
dir=$( pwd )
echo "Syncing files"
cd "$MOUNT_BASE/system"
sync
cd "$dir"
umount "$MOUNT_BASE/system"
rmdir "$MOUNT_BASE/system"
}
display_end() {
echo ""
echo "Your drive is now ready to be used!"
}
drive_eject() {
eject "$DRIVE"
}
# Script start
if [ $# -eq 0 ]
then
display_help
exit 1
fi
if [ $# -eq 1 ]
then
SYSTEM_AR=$1
fi
if [ $# -eq 2 ]
then
DRIVE=$1
SYSTEM_AR=$2
fi
display_banner
if [ "$DRIVE" = "" ]
then
drive_select
fi
drive_write_confirm
drive_umount
drive_empty
drive_infos_get
drive_partitions_set
system_write
display_end
drive_eject
|
