forked from mirrors/nixpkgs
49f8402876
* Stage 2 init: handle non-read-only roots. svn path=/nixu/trunk/; revision=7014
152 lines
2.9 KiB
Bash
152 lines
2.9 KiB
Bash
#! @shell@
|
|
|
|
# !!! copied from stage 1; remove duplication
|
|
|
|
|
|
# Print a greeting.
|
|
echo
|
|
echo "<<< NixOS Stage 2 >>>"
|
|
echo
|
|
|
|
|
|
# Set the PATH.
|
|
export PATH=/empty
|
|
for i in @path@; do
|
|
PATH=$PATH:$i/bin
|
|
if test -e $i/sbin; then
|
|
PATH=$PATH:$i/sbin
|
|
fi
|
|
done
|
|
|
|
|
|
# Mount special file systems, initialise required directories.
|
|
|
|
if test -z "@readOnlyRoot@"; then
|
|
#rootDev=$(grep "/dev/.* / " /proc/mounts | sed 's/^\([^ ]*\) .*/\1/')
|
|
mount -o remount,rw /dontcare / # !!! check for failure
|
|
fi
|
|
|
|
needWritableDir() {
|
|
if test -n "@readOnlyRoot@"; then
|
|
mount -t tmpfs none $1 $3
|
|
chmod $2 $1
|
|
else
|
|
mkdir -m $2 -p $1
|
|
fi
|
|
}
|
|
|
|
needWritableDir /etc 0755 -n # to shut up mount
|
|
|
|
test -e /etc/fstab || touch /etc/fstab # idem
|
|
|
|
mount -t proc none /proc
|
|
mount -t sysfs none /sys
|
|
needWritableDir /dev 0755
|
|
needWritableDir /tmp 01777
|
|
needWritableDir /var 0755
|
|
needWritableDir /nix/var 0755
|
|
|
|
mkdir -m 0755 -p /nix/var/nix/db
|
|
mkdir -m 0755 -p /nix/var/nix/gcroots
|
|
mkdir -m 0755 -p /nix/var/nix/temproots
|
|
|
|
|
|
# Ensure that the module tools can find the kernel modules.
|
|
export MODULE_DIR=@kernel@/lib/modules/
|
|
|
|
|
|
# Start udev.
|
|
udevd --daemon
|
|
|
|
|
|
# Let udev create device nodes for all modules that have already been
|
|
# loaded into the kernel (or for which support is built into the
|
|
# kernel).
|
|
udevtrigger
|
|
udevsettle # wait for udev to finish
|
|
|
|
|
|
# Start syslogd.
|
|
mkdir -m 0755 -p /var/run
|
|
#mkdir -p /var/log
|
|
#touch /var/log/messages
|
|
echo "*.* /dev/tty10" > /etc/syslog.conf
|
|
echo "syslog 514/udp" > /etc/services # required, even if we don't use it
|
|
@sysklogd@/sbin/syslogd &
|
|
|
|
|
|
# Try to load modules for all PCI devices.
|
|
for i in /sys/bus/pci/devices/*/modalias; do
|
|
echo "Trying to load a module for $(basename $(dirname $i))..."
|
|
modprobe $(cat $i)
|
|
done
|
|
|
|
|
|
# Bring up the network devices.
|
|
modprobe af_packet
|
|
for i in $(cd /sys/class/net && ls -d *); do
|
|
echo "Bringing up network device $i..."
|
|
if ifconfig $i up; then
|
|
if test "$i" != "lo"; then
|
|
mkdir -p /var/state/dhcp
|
|
dhclient $i
|
|
fi
|
|
fi
|
|
done
|
|
|
|
|
|
# login/su absolutely need this.
|
|
test -e /etc/login.defs || touch /etc/login.defs
|
|
|
|
|
|
# Enable a password-less root login.
|
|
if ! test -e /etc/passwd; then
|
|
echo "root::0:0:root:/:@shell@" > /etc/passwd
|
|
fi
|
|
if ! test -e /etc/group; then
|
|
echo "root:*:0" > /etc/group
|
|
fi
|
|
|
|
|
|
# Set up inittab.
|
|
for i in $(seq 1 6); do
|
|
echo "$i:2345:respawn:@mingetty@/sbin/mingetty --noclear tty$i" >> /etc/inittab
|
|
done
|
|
|
|
|
|
# Show a nice greeting on each terminal.
|
|
cat > /etc/issue <<EOF
|
|
|
|
<<< Welcome to NixOS (\m) - Kernel \r (\l) >>>
|
|
|
|
You can log in as \`root'.
|
|
|
|
|
|
EOF
|
|
|
|
|
|
# Additional path for the interactive shell.
|
|
for i in @extraPath@; do
|
|
PATH=$PATH:$i/bin
|
|
if test -e $i/sbin; then
|
|
PATH=$PATH:$i/sbin
|
|
fi
|
|
done
|
|
|
|
cat > /etc/profile <<EOF
|
|
export PATH=$PATH
|
|
export MODULE_DIR=$MODULE_DIR
|
|
EOF
|
|
|
|
|
|
# Set the host name.
|
|
hostname nixos
|
|
|
|
|
|
# Start an interactive shell.
|
|
#exec @shell@
|
|
|
|
|
|
# Start init.
|
|
exec init 2
|