Mercurial > hg > aboriginal
view sources/root-filesystem/sbin/init.sh @ 1217:1a24dc2bb3cb
Make sure PATH and CONSOLE are properly exported even when kernel command line doesn't provide the right data.
author | Rob Landley <rob@landley.net> |
---|---|
date | Sat, 21 Aug 2010 01:33:02 -0500 |
parents | 224038785a93 |
children | 84ea1b53b73c |
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#!/bin/sh # Otherwise, building source packages wants things like /bin/bash and # running the results wants /lib/ld-uClibc.so.0, so set up some directories # and symlinks to let you easily compile source packages. export HOME=/home # Populate /dev mountpoint -q sys || mount -t sysfs sys sys mountpoint -q dev || mount -t tmpfs -o noatime dev dev mdev -s # Make sure /proc is there mountpoint -q proc || mount -t proc proc proc [ -z "$CPUS" ] && export CPUS=1 export PS1='($HOST:$CPUS) \w \$ ' # Make sure $PATH is exported, even if not set on kernel command line. # (The shell gives us a default, but it's local, not exported.) export PATH # If we're running under qemu, do some more setup if [ $$ -eq 1 ] then # Note that 10.0.2.2 forwards to 127.0.0.1 on the host. # Setup networking for QEMU (needs /proc) ifconfig eth0 10.0.2.15 route add default gw 10.0.2.2 # If we have no RTC, try rdate instead: [ "$(date +%s)" -lt 1000 ] && rdate 10.0.2.2 # or time-b.nist.gov mount -t tmpfs /tmp /tmp # If there's a /dev/hdb or /dev/sdb, mount it on home [ -b /dev/hdb ] && HOMEDEV=/dev/hdb [ -b /dev/sdb ] && HOMEDEV=/dev/sdb if [ ! -z "$HOMEDEV" ] then mount -o noatime $HOMEDEV /home else # Only mount a tmpfs if / isn't writeable. touch /.temp 2>/dev/null [ $? -ne 0 ] && mount -t tmpfs /home /home || rm /.temp fi cd /home [ -b /dev/hdc ] && MNTDEV=/dev/hdc [ -b /dev/sdc ] && MNTDEV=/dev/sdc if [ ! -z "$MNTDEV" ] then mount -o ro $MNTDEV /mnt fi [ -z "$CONSOLE" ] && CONSOLE="$(sed -n 's@.* console=\(/dev/\)*\([^ ]*\).*@\2@p' /proc/cmdline)" [ -z "$CONSOLE" ] && CONSOLE=console if [ -z "$DISTCC_HOSTS" ] then echo "Not using distcc." else echo "Distcc acceleration enabled." fi echo Type exit when done. HANDOFF=/bin/ash if [ -e /mnt/init ] then X=xx echo "Press any key for command line..." read -t 3 -n 1 X if [ "$X" == xx ] then echo "Running automated build." HANDOFF=/mnt/init fi fi exec /sbin/oneit -c /dev/"$CONSOLE" "$HANDOFF" # If we're not PID 1, it's probably a chroot. else [ ! -z "$(grep "default for QEMU" /etc/resolv.conf)" ] && echo "nameserver 8.8.8.8" > /etc/resolv.conf # If we have no RTC, try using ntp to set the clock [ "$(date +%s)" -lt 10000000 ] && ntpd -nq -p north-america.pool.ntp.org # Switch to a shell with command history. echo Type exit when done. /bin/ash cd / umount ./dev umount ./sys umount ./proc sync fi