nixpkgs/test/boot-stage-2-init.sh

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#! @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:$i/sbin
fi
done
# Mount special file systems.
if test -z "@readOnlyRoot@"; then
#rootDev=$(grep "/dev/.* / " /proc/mounts | sed 's/^\([^ ]*\) .*/\1/')
if ! mount -t dontcare -o remount,rw /dontcare /; then
echo "Couldn't remount / read-writable, starting emergency shell!"
exec @shell@
fi
fi
needWritableDir() {
if test -n "@readOnlyRoot@"; then
mount -t tmpfs -o "mode=$2" none $1 $3
else
mkdir -m $2 -p $1
fi
}
needWritableDir /etc 0755 -n # to shut up mount
test -e /etc/fstab || touch /etc/fstab # idem
mount -n -t proc none /proc
cat /proc/mounts > /etc/mtab
# Process the kernel command line.
for o in $(cat /proc/cmdline); do
case $o in
debugtrace)
# Show each command.
set -x
;;
debug2)
echo "Debug shell called from @out@"
exec @shell@
;;
S|s|single)
# !!! argh, can't pass a startup event to Upstart yet.
exec @shell@
;;
esac
done
# More special file systems, initialise required directories.
mount -t sysfs none /sys
mount -t tmpfs -o "mode=0755" none /dev
needWritableDir /tmp 01777
needWritableDir /var 0755
needWritableDir /nix/var 0755
mkdir -m 0755 -p /nix/var/nix/db
mkdir -m 0755 -p /nix/var/nix/gcroots
mkdir -m 0755 -p /nix/var/nix/temproots
mkdir -m 0755 -p /var/log
ln -sf /nix/var/nix/profiles /nix/var/nix/gcroots/
# Ensure that the module tools can find the kernel modules.
export MODULE_DIR=@kernel@/lib/modules/
# Start udev.
udevd --daemon
# Let udev create device nodes for all modules that have already been
# loaded into the kernel (or for which support is built into the
# kernel).
udevtrigger
udevsettle # wait for udev to finish
# Necessary configuration for syslogd.
mkdir -m 0755 -p /var/run
echo "*.* /dev/tty10" > /etc/syslog.conf
echo "syslog 514/udp" > /etc/services # required, even if we don't use it
# login/su absolutely need this.
test -e /etc/login.defs || touch /etc/login.defs
# Enable a password-less root login.
if ! test -e /etc/passwd; then
echo "root::0:0:root:/:@shell@" > /etc/passwd
fi
if ! test -e /etc/group; then
echo "root:*:0" > /etc/group
fi
# We need "localhost" (!!! destructive hack for NIXOS-41).
echo "127.0.0.1 localhost" > /etc/hosts
echo "hosts: files dns" > /etc/nsswitch.conf
# Set up the Upstart jobs.
export UPSTART_CFG_DIR=/etc/event.d
rm -f /etc/event.d
ln -sf @upstartJobs@/etc/event.d /etc/event.d
# Show a nice greeting on each terminal.
cat > /etc/issue <<EOF
<<< Welcome to NixOS (\m) - Kernel \r (\l) >>>
EOF
# Additional path for the interactive shell.
for i in @extraPath@; do
PATH=$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
if test -f /etc/profile.local; then
source /etc/profile.local
fi
EOF
# Set the host name.
hostname nixos
# Start an interactive shell.
#exec @shell@
# Start Upstart's init.
exec @upstart@/sbin/init -v