mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-26 15:44:20 +00:00
178 lines
3.5 KiB
Bash
178 lines
3.5 KiB
Bash
#! @shell@
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# !!! copied from stage 1; remove duplication
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# Print a greeting.
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echo
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echo "<<< NixOS Stage 2 >>>"
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echo
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# Set the PATH.
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export PATH=/empty
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for i in @startPath@; do
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PATH=$PATH:$i/bin
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if test -e $i/sbin; then
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PATH=$PATH:$i/sbin
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fi
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done
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# Mount special file systems.
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needWritableDir() {
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if test -n "@readOnlyRoot@"; then
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mount -t tmpfs -o "mode=$2" none $1 $3
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else
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mkdir -m $2 -p $1
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fi
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}
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needWritableDir /etc 0755 -n # to shut up mount
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test -e /etc/fstab || touch /etc/fstab # idem
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mount -n -t proc none /proc
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cat /proc/mounts > /etc/mtab
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# Process the kernel command line.
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for o in $(cat /proc/cmdline); do
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case $o in
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debugtrace)
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# Show each command.
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set -x
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;;
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debug2)
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echo "Debug shell called from @out@"
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exec @shell@
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;;
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S|s|single)
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# !!! argh, can't pass a startup event to Upstart yet.
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exec @shell@
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;;
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esac
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done
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# More special file systems, initialise required directories.
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mount -t sysfs none /sys
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mount -t tmpfs -o "mode=0755" none /dev
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needWritableDir /tmp 01777
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needWritableDir /var 0755
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needWritableDir /nix/var 0755
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mkdir -m 0755 -p /nix/var/nix/db
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mkdir -m 0755 -p /nix/var/nix/gcroots
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mkdir -m 0755 -p /nix/var/nix/temproots
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mkdir -m 0755 -p /var/log
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ln -sf /nix/var/nix/profiles /nix/var/nix/gcroots/
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# Ensure that the module tools can find the kernel modules.
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export MODULE_DIR=@kernel@/lib/modules/
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# Miscellaneous cleanup.
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rm -rf /var/run
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mkdir -m 0755 -p /var/run
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echo -n > /var/run/utmp # must exist
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chmod 664 /var/run/utmp
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# Start udev.
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udevd --daemon
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# Let udev create device nodes for all modules that have already been
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# loaded into the kernel (or for which support is built into the
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# kernel).
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udevtrigger
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udevsettle # wait for udev to finish
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# Necessary configuration for syslogd.
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echo "*.* /dev/tty10" > /etc/syslog.conf
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echo "syslog 514/udp" > /etc/services # required, even if we don't use it
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# login/su absolutely need this.
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test -e /etc/login.defs || touch /etc/login.defs
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# Enable a password-less root login.
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if ! test -e /etc/passwd; then
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echo "root::0:0:root:/:@shell@" > /etc/passwd
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fi
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if ! test -e /etc/group; then
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echo "root:*:0" > /etc/group
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fi
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# We need "localhost" (!!! destructive hack for NIXOS-41).
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echo "127.0.0.1 localhost" > /etc/hosts
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echo "hosts: files dns" > /etc/nsswitch.conf
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# Set up the Upstart jobs.
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export UPSTART_CFG_DIR=/etc/event.d
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rm -f /etc/event.d
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ln -sf @upstartJobs@/etc/event.d /etc/event.d
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# Show a nice greeting on each terminal.
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cat > /etc/issue <<EOF
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<<< Welcome to NixOS (\m) - Kernel \r (\l) >>>
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EOF
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# Additional path for the interactive shell.
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PATH=@wrapperDir@:@fullPath@/bin:@fullPath@/sbin
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cat > /etc/profile <<EOF
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export PATH=$PATH
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export MODULE_DIR=$MODULE_DIR
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export NIX_CONF_DIR=/nix/etc/nix
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source $(dirname $(readlink -f $(type -tp nix-env)))/../etc/profile.d/nix.sh
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alias ll="ls -l"
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if test -f /etc/profile.local; then
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source /etc/profile.local
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fi
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EOF
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# Make a few setuid programs work.
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wrapperDir=@wrapperDir@
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if test -d $wrapperDir; then rm -f $wrapperDir/*; fi
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mkdir -p $wrapperDir
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for i in passwd su; do
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program=$(type -tp $i)
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cp $(type -tp setuid-wrapper) $wrapperDir/$i
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echo -n $program > $wrapperDir/$i.real
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chown root.root $wrapperDir/$i
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chmod 4755 $wrapperDir/$i
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done
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# Set the host name.
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hostname @hostName@
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# Start an interactive shell.
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#exec @shell@
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# Start Upstart's init.
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exec @upstart@/sbin/init -v
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