pmaports/main/postmarketos-initramfs/init.sh
Caleb Connolly 672224a813
postmarketos-initramfs: probe libcomposite + make myself maintainer (MR 5328)
This won't be loaded automatically, so let's modprobe it.

Additionally, make myself maintainer to reflect CODEOWNERS

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>

[ci:skip-build] already built successfully in CI
2024-07-23 17:15:06 -07:00

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#!/bin/sh
# shellcheck disable=SC1091
IN_CI="false"
LOG_PREFIX="[pmOS-rd]"
[ -e /hooks/10-verbose-initfs.sh ] && set -x
[ -e /hooks/05-ci.sh ] && IN_CI="true"
[ -e /etc/unudhcpd.conf ] && . /etc/unudhcpd.conf
. ./init_functions.sh
. /usr/share/misc/source_deviceinfo
[ -e /etc/os-release ] && . /etc/os-release
# provide a default for os-release's VERSION in case the file doesn't exist
VERSION="${VERSION:-unknown}"
# This is set during packaging and is used when triaging bug reports
INITRAMFS_PKG_VERSION="<<INITRAMFS_PKG_VERSION>>"
export PATH=/usr/bin:/bin:/usr/sbin:/sbin
/bin/busybox --install -s
/bin/busybox-extras --install -s
# Mount everything, set up logging, modules, mdev
mount_proc_sys_dev
setup_log
setup_firmware_path
modprobe libcomposite
# Run udev early, before splash, to make sure any relevant display drivers are
# loaded in time
setup_udev
if [ "$IN_CI" = "false" ]; then
setup_framebuffer
show_splash "Loading..."
fi
setup_dynamic_partitions "${deviceinfo_super_partitions:=}"
run_hooks /hooks
if [ "$IN_CI" = "true" ]; then
echo "PMOS: CI tests done, disabling console and looping forever"
dmesg -n 1
fail_halt_boot
fi
setup_usb_network
start_unudhcpd
if grep -q "pmos.debug-shell" /proc/cmdline; then
debug_shell
fi
check_keys
mount_subpartitions
wait_boot_partition
mount_boot_partition /boot
extract_initramfs_extra /boot/initramfs-extra
run_hooks /hooks-extra
# For testing the mass storage gadget log export function. We use a flag
# file on /boot so that we can test it on all devices as modifying the
# kernel cmdline is not always possible.
if [ -e /boot/.pmos_export_logs ]; then
echo "PMOS: Exporting logs via mass storage gadget"
show_splash "Exporting boot logs..."
# Delete the flag so we don't soft-brick the device by always booting
# to the log export mode.
mount -o remount,rw /boot
rm -f /boot/.pmos_export_logs
fail_halt_boot
fi
wait_root_partition
delete_old_install_partition
resize_root_partition
unlock_root_partition
resize_root_filesystem
mount_root_partition
# Mount boot partition into sysroot, so we do not depend on /etc/fstab, as
# not all old installations have a proper /etc/fstab file. See #2800
umount /boot
mount_boot_partition /sysroot/boot "rw"
init="/sbin/init"
setup_bootchart2
# Switch root
run_hooks /hooks-cleanup
echo "Switching root"
# Restore stdout and stderr to their original values if they
# were stashed
if [ -e "/proc/1/fd/3" ]; then
exec 1>&3 2>&4
elif ! grep -q "pmos.debug-shell" /proc/cmdline; then
echo "$LOG_PREFIX Disabling console output again (use 'pmos.debug-shell' to keep it enabled)"
exec >/dev/null 2>&1
fi
# Make it clear that we're at the end of the initramfs
show_splash "Starting..."
# Re-enable kmsg ratelimiting (might have been disabled for logging)
echo ratelimit > /proc/sys/kernel/printk_devkmsg
killall mdev udevd syslogd 2>/dev/null
# Kill any getty shells that might be running
for pid in $(pidof sh); do
if ! [ "$pid" = "1" ]; then
kill -9 "$pid"
fi
done
# shellcheck disable=SC2093
exec switch_root /sysroot "$init"
echo "$LOG_PREFIX ERROR: switch_root failed!" > /dev/kmsg
echo "$LOG_PREFIX Looping forever. Install and use the debug-shell hook to debug this." > /dev/kmsg
echo "$LOG_PREFIX For more information, see <https://postmarketos.org/debug-shell>" > /dev/kmsg
fail_halt_boot