157 lines
4.3 KiB
Bash
Executable File
157 lines
4.3 KiB
Bash
Executable File
#! @shell@
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set -x
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echo "--- starting stage 2 ---"
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systemConfig=@systemConfig@
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export HOME=/root PATH="@path@"
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if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
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# Process the kernel command line.
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for o in $(</proc/cmdline); do
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case $o in
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boot.debugtrace)
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# Show each command.
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set -x
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;;
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debug2)
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@shellDebug@ -i
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;;
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esac
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done
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# Print a greeting.
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echo
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echo -e "\e[1;32m<<< @distroName@ Stage 2 >>>\e[0m"
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echo
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# Normally, stage 1 mounts the root filesystem read/writable.
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# However, in some environments, stage 2 is executed directly, and the
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# root is read-only. So make it writable here.
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if [ -z "$container" ]; then
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mount -n -o remount,rw none /
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fi
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fi
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# Likewise, stage 1 mounts /proc, /dev and /sys, so if we don't have a
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# stage 1, we need to do that here.
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if [ ! -e /proc/1 ]; then
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specialMount() {
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local device="$1"
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local mountPoint="$2"
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local options="$3"
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local fsType="$4"
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# We must not overwrite this mount because it's bind-mounted
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# from stage 1's /run
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if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" = true ] && [ "${mountPoint}" = /run ]; then
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return
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fi
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install -m 0755 -d "$mountPoint"
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mount -n -t "$fsType" -o "$options" "$device" "$mountPoint"
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}
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source @earlyMountScript@
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fi
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if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" = true ] || [ ! -c /dev/kmsg ] ; then
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echo "booting system configuration ${systemConfig}"
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else
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echo "booting system configuration $systemConfig" > /dev/kmsg
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fi
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# Make /nix/store a read-only bind mount to enforce immutability of
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# the Nix store. Note that we can't use "chown root:nixbld" here
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# because users/groups might not exist yet.
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# Silence chown/chmod to fail gracefully on a readonly filesystem
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# like squashfs.
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chown -f 0:30000 /nix/store
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chmod -f 1775 /nix/store
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if [ -n "@readOnlyNixStore@" ]; then
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if ! [[ "$(findmnt --noheadings --output OPTIONS /nix/store)" =~ ro(,|$) ]]; then
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if [ -z "$container" ]; then
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mount --bind /nix/store /nix/store
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else
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mount --rbind /nix/store /nix/store
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fi
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mount -o remount,ro,bind /nix/store
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fi
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fi
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if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
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# Use /etc/resolv.conf supplied by systemd-nspawn, if applicable.
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if [ -n "@useHostResolvConf@" ] && [ -e /etc/resolv.conf ]; then
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resolvconf -m 1000 -a host </etc/resolv.conf
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fi
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# # Log the script output to /dev/kmsg or /run/log/stage-2-init.log.
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# # Only at this point are all the necessary prerequisites ready for these commands.
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# exec {logOutFd}>&1 {logErrFd}>&2
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# if test -w /dev/kmsg; then
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# exec > >(tee -i /proc/self/fd/"$logOutFd" | while read -r line; do
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# if test -n "$line"; then
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# echo "<7>stage-2-init: $line" > /dev/kmsg
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# fi
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# done) 2>&1
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# else
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# mkdir -p /run/log
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# exec > >(tee -i /run/log/stage-2-init.log) 2>&1
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# fi
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fi
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# Required by the activation script
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install -m 0755 -d /etc
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if [ ! -h "/etc/nixos" ]; then
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install -m 0755 -d /etc/nixos
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fi
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install -m 01777 -d /tmp
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# Run the script that performs all configuration activation that does
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# not have to be done at boot time.
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echo "running activation script..."
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#strace -f $systemConfig/activate
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$systemConfig/activate
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echo "activation script OK"
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# Record the boot configuration.
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ln -sfn "$systemConfig" /run/booted-system
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# Run any user-specified commands.
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@shell@ @postBootCommands@
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# Ensure systemd doesn't try to populate /etc, by forcing its first-boot
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# heuristic off. It doesn't matter what's in /etc/machine-id for this purpose,
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# and systemd will immediately fill in the file when it starts, so just
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# creating it is enough. This `: >>` pattern avoids forking and avoids changing
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# the mtime if the file already exists.
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: >> /etc/machine-id
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# No need to restore the stdout/stderr streams we never redirected and
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# especially no need to start systemd
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if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
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# Reset the logging file descriptors.
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#exec 1>&$logOutFd 2>&$logErrFd
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#exec {logOutFd}>&- {logErrFd}>&-
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# Start systemd in a clean environment.
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echo "starting systemd..."
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exec @systemdExecutable@ "$@"
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fi
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