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@ -5,28 +5,30 @@ systemConfig=@systemConfig@ |
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export HOME=/root PATH="@path@" |
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# Process the kernel command line. |
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for o in $(</proc/cmdline); do |
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case $o in |
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boot.debugtrace) |
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# Show each command. |
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set -x |
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;; |
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esac |
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done |
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# Print a greeting. |
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echo |
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echo -e "\e[1;32m<<< NixOS Stage 2 >>>\e[0m" |
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echo |
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# Normally, stage 1 mounts the root filesystem read/writable. |
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# However, in some environments, stage 2 is executed directly, and the |
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# root is read-only. So make it writable here. |
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if [ -z "$container" ]; then |
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mount -n -o remount,rw none / |
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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 $o in |
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boot.debugtrace) |
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# Show each command. |
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set -x |
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;; |
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esac |
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done |
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# Print a greeting. |
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echo |
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echo -e "\e[1;32m<<< NixOS Stage 2 >>>\e[0m" |
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echo |
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# Normally, stage 1 mounts the root filesystem read/writable. |
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# However, in some environments, stage 2 is executed directly, and the |
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# root is read-only. So make it writable here. |
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if [ -z "$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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@ -39,6 +41,12 @@ if [ ! -e /proc/1 ]; then |
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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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@ -46,7 +54,11 @@ if [ ! -e /proc/1 ]; then |
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fi |
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echo "booting system configuration $systemConfig" > /dev/kmsg |
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if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" = true ]; then |
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echo "booting system configuration ${systemConfig}" |
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else |
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echo "booting system configuration $systemConfig" > /dev/kmsg |
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fi |
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# Make /nix/store a read-only bind mount to enforce immutability of |
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@ -68,24 +80,26 @@ if [ -n "@readOnlyStore@" ]; then |
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fi |
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# Use /etc/resolv.conf supplied by systemd-nspawn, if applicable. |
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if [ -n "@useHostResolvConf@" ] && [ -e /etc/resolv.conf ]; then |
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resolvconf -m 1000 -a host </etc/resolv.conf |
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fi |
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if [ "${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: $line" > /dev/kmsg |
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fi |
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done) 2>&1 |
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else |
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mkdir -p /run/log |
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exec > >(tee -i /run/log/stage-2-init.log) 2>&1 |
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# Log the script output to /dev/kmsg or /run/log/stage-2-init.log. |
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# Only at this point are all the necessary prerequisites ready for these commands. |
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exec {logOutFd}>&1 {logErrFd}>&2 |
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if test -w /dev/kmsg; then |
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exec > >(tee -i /proc/self/fd/"$logOutFd" | while read -r line; do |
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if test -n "$line"; then |
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echo "<7>stage-2-init: $line" > /dev/kmsg |
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fi |
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done) 2>&1 |
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else |
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mkdir -p /run/log |
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exec > >(tee -i /run/log/stage-2-init.log) 2>&1 |
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fi |
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fi |
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@ -116,11 +130,15 @@ ln -sfn "$systemConfig" /run/booted-system |
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: >> /etc/machine-id |
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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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# 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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# 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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Lassulus
2 years ago
committed by