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- $cat /usr/lib/initcpio/init
- #!/usr/bin/ash
- udevd_running=0
- mount_handler=default_mount_handler
- init=/sbin/init
- rd_logmask=0
- . /init_functions
- mount -t proc proc /proc -o nosuid,noexec,nodev
- mount -t sysfs sys /sys -o nosuid,noexec,nodev
- mount -t devtmpfs dev /dev -o mode=0755,nosuid
- mkdir /dev/pts
- mount -t devpts -o noexec,nosuid,gid=5,mode=0620 devpts /dev/pts || true
- mount -t tmpfs run /run -o nosuid,nodev,mode=0755
- mkdir -m755 /run/initramfs
- # parse the kernel command line
- parse_cmdline </proc/cmdline
- # setup logging as early as possible
- rdlogger_start
- for d in ${disablehooks//,/ }; do
- [ -e "/hooks/$d" ] && chmod 644 "/hooks/$d"
- done
- . /config
- run_hookfunctions 'run_earlyhook' 'early hook' $EARLYHOOKS
- if [ -n "$earlymodules$MODULES" ]; then
- modprobe -qab ${earlymodules//,/ } $MODULES
- fi
- run_hookfunctions 'run_hook' 'hook' $HOOKS
- # honor the old behavior of break=y as a synonym for break=premount
- if [ "${break}" = "y" ] || [ "${break}" = "premount" ]; then
- echo ":: Pre-mount break requested, type 'exit' to resume operation"
- launch_interactive_shell
- fi
- rootdev=$(resolve_device "$root") && root=$rootdev
- unset rootdev
- fsck_root
- # Mount root at /new_root
- "$mount_handler" /new_root
- run_hookfunctions 'run_latehook' 'late hook' $LATEHOOKS
- run_hookfunctions 'run_cleanuphook' 'cleanup hook' $CLEANUPHOOKS
- mount -n -o move /run /new_root/run
- mount -n -o move /sys /new_root/sys
- mount -n -o move /proc /new_root/proc
- if [ "$(stat -c %D /)" = "$(stat -c %D /new_root)" ]; then
- # Nothing got mounted on /new_root. This is the end, we don't know what to do anymore
- # We fall back into a shell, but the shell has now PID 1
- # This way, manual recovery is still possible.
- err "Failed to mount the real root device."
- echo "Bailing out, you are on your own. Good luck."
- echo
- launch_interactive_shell --exec
- elif [ ! -x "/new_root${init}" ]; then
- # Successfully mounted /new_root, but ${init} is missing
- # The same logic as above applies
- err "Root device mounted successfully, but ${init} does not exist."
- echo "Bailing out, you are on your own. Good luck."
- echo
- launch_interactive_shell --exec
- fi
- if [ "${break}" = "postmount" ]; then
- echo ":: Post-mount break requested, type 'exit' to resume operation"
- launch_interactive_shell
- fi
- # this should always be the last thing we do before the switch_root.
- rdlogger_stop
- exec env -i \
- "TERM=$TERM" \
- /usr/bin/switch_root /new_root $init "$@"
- # vim: set ft=sh ts=4 sw=4 et:
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