slitaz-boot-scripts annotate etc/init.d/bootopts.sh @ rev 30

Add option: swap=size (size must be in Mb)
author Christophe Lincoln <pankso@slitaz.org>
date Sat Feb 23 02:26:15 2008 +0100 (2008-02-23)
parents 1e2fdd797456
children 7bcff1537b8a
rev   line source
pankso@6 1 #!/bin/sh
pankso@6 2 # /etc/init.d/bootopts.sh - SliTaz boot options from the cmdline.
pankso@6 3 #
pankso@6 4 . /etc/init.d/rc.functions
pankso@6 5
pankso@6 6 # Mount /home and check for user hacker home dir.
pankso@6 7 #
pankso@6 8 mount_home()
pankso@6 9 {
pankso@6 10 echo "Home has been specified to $DEVICE..."
pankso@12 11 echo "Sleeping 10 s to let the kernel detect the device... "
pankso@6 12 sleep 10
pascal@25 13
pascal@25 14 DEVID=$DEVICE
pascal@25 15 if [ -x /sbin/blkid ]; then
pascal@25 16 #can be label, uuid or devname
pascal@25 17 DEVID=`/sbin/blkid | grep $DEVICE | cut -d: -f1`
pascal@25 18 fi
pascal@25 19 if [ -n "$DEVID" ] && grep -q "$DEVID" /proc/partitions ; then
pascal@25 20 echo "Mounting /home on /dev/$DEVID... "
pankso@6 21 mv /home/hacker /tmp/hacker-home
pascal@25 22 mount -o uid=500,gid=500 /dev/$DEVID /home
pankso@6 23 else
pascal@26 24 echo "Unable to find $DEVICE... "
pankso@6 25 fi
pankso@6 26 # Move all hacker dir if needed.
pankso@6 27 if [ ! -d "/home/hacker" ] ; then
pankso@6 28 mv /tmp/hacker-home /home/hacker
pankso@6 29 chown -R hacker.hacker /home/hacker
pankso@6 30 else
pankso@6 31 rm -rf /tmp/hacker-home
pankso@6 32 fi
pankso@6 33 }
pankso@6 34
pankso@6 35 # Parse /proc/cmdline with grep.
pankso@6 36 #
pankso@6 37
pankso@6 38 echo "Parsing kernel cmdline for SliTaz live options... "
pankso@6 39
pankso@6 40 # Check for a specified home directory on cmdline (home=*).
pankso@6 41 #
pankso@6 42 if grep -q "home=usb" /proc/cmdline; then
pankso@6 43 DEVICE=sda1
pankso@6 44 mount_home
pankso@6 45 elif grep -q "home=" /proc/cmdline; then
pankso@6 46 DEVICE=`cat /proc/cmdline | sed 's/.*home=\([^ ]*\).*/\1/'`
pankso@6 47 mount_home
pankso@6 48 fi
pankso@6 49
pankso@30 50 # Check if swap file must be generated: swap=size (Mb).
pankso@30 51 #
pankso@30 52 if grep -q "swap=[1-9]*" /proc/cmdline; then
pankso@30 53 SWAP_SIZE=`cat /proc/cmdline | sed 's/.*swap=\([^ ]*\).*/\1/'`
pankso@30 54 # DD to gen a virtual disk.
pankso@30 55 echo -n "Generating swap file: /home/swap ($SWAP_SIZE)..."
pankso@30 56 dd if=/dev/zero of=/home/swap bs=1M count=$SIZE 2>/dev/null
pankso@30 57 status
pankso@30 58 # Make the Linux swap filesystem.
pankso@30 59 mkswap /home/swap
pankso@30 60 fi
pankso@30 61
pankso@6 62 # Active an eventual swap file in /home and on local hd.
pankso@6 63 #
pankso@6 64 if [ -f "/home/swap" ]; then
pankso@6 65 echo "Activing swap (/home/swap) memory..."
pankso@6 66 swapon /home/swap
pankso@6 67 fi
pankso@6 68 if [ "`fdisk -l | grep swap`" ]; then
pankso@6 69 for SWAP_DEV in `fdisk -l | grep swap | awk '{ print $1 }'`; do
pankso@27 70 echo "Swap memory detected on: $SWAP_DEV"
pankso@6 71 swapon $SWAP_DEV
pankso@6 72 done
pankso@6 73 fi
pankso@6 74
pankso@6 75 # Check for a specified locale (lang=*).
pankso@6 76 #
pankso@6 77 if grep -q "lang=*" /proc/cmdline; then
pankso@6 78 LANG=`cat /proc/cmdline | sed 's/.*lang=\([^ ]*\).*/\1/'`
pankso@6 79 echo -n "Setting system locale to: $LANG... "
pankso@6 80 echo "LANG=$LANG" > /etc/locale.conf
pankso@6 81 echo "LC_ALL=$LANG" >> /etc/locale.conf
pankso@6 82 status
pankso@6 83 fi
pankso@6 84
pankso@6 85 # Check for a specified keymap (kmap=*).
pankso@6 86 #
pankso@6 87 if grep -q "kmap=*" /proc/cmdline; then
pankso@6 88 KMAP=`cat /proc/cmdline | sed 's/.*kmap=\([^ ]*\).*/\1/'`
pankso@6 89 echo -n "Setting system keymap to: $KMAP..."
pankso@6 90 echo "KMAP=$KMAP.kmap" > /etc/kmap.conf
pankso@6 91 status
pankso@6 92 fi
pankso@6 93
pankso@27 94 # Check for a specified screen (screen=*).
pankso@27 95 #
pankso@27 96 if grep -q "screen=*" /proc/cmdline; then
pankso@27 97 SCREEN=`cat /proc/cmdline | sed 's/.*screen=\([^ ]*\).*/\1/'`
pankso@27 98 if [ "$SCREEN" = "text" ];
pankso@27 99 echo -n "Disabling X login manager: slim..."
pankso@27 100 sed -i s/'slim'/''/ /etc/rcS.conf
pankso@27 101 status
pankso@27 102 else
pankso@27 103 echo "Option not yet implemented: screen=$SCREEN"
pankso@27 104 sleep 2
pankso@27 105 fi
pankso@27 106 fi
pankso@27 107
pankso@29 108 # Laptop option to load ac and battery Kernel modules.
pankso@29 109 if grep -q "laptop" /proc/cmdline; then
pankso@29 110 echo -n "Laptop modules: ac battery..."
pankso@29 111 . /etc/rcS.conf
pankso@29 112 sed -i s/"LOAD_MODULES=\"$LOAD_MODULES\""/"LOAD_MODULES=\"$LOAD_MODULES ac battery\""/\
pankso@29 113 /etc/rcS.conf
pankso@29 114 status
pankso@29 115 modprobe ac
pankso@29 116 modprobe battery
pankso@29 117 fi