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#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_hook () {
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
[ -n "${img_label}" ] && img_dev="/dev/disk/by-label/${img_label}"
[ -z "${img_flags}" ] && img_flags="defaults"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${img_dev}" ] && [ -n "${img_loop}" ]; then
export mount_handler="parabolaiso_loop_mount_handler"
fi
}
parabolaiso_loop_mount_handler () {
newroot="${1}"
local _dev_loop
msg ":: Setup a loop device from ${img_loop} located at device ${img_dev}"
_mnt_dev "${img_dev}" "/run/parabolaiso/img_dev" "-r" "${img_flags}"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" != "y" ]; then
readlink -f "${img_dev}" >> /run/parabolaiso/used_block_devices
fi
if _dev_loop=$(losetup --find --show --read-only "/run/parabolaiso/img_dev/${img_loop}"); then
export parabolaisodevice="${_dev_loop}"
else
echo "ERROR: Setting loopback device for file '/run/parabolaiso/img_dev/${img_loop}'"
launch_interactive_shell
fi
parabolaiso_mount_handler "${newroot}"
if [ "${copytoram}" = "y" ]; then
losetup -d "${_dev_loop}" 2>/dev/null
umount /run/parabolaiso/img_dev
fi
}
# vim: set ft=sh:
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