ISO/archiso/initcpio/hooks/archiso_loop_mnt
David Runge e264b44682
Add license and basic documentation
LICENSE:
Add GPL-3.0 license.

{{archiso,configs}/*,.editorconfig,.gitlab-ci.yml}:
Add SPDX license identifier.

Makefile:
Add SPDX license identifier.
Install the `run_archiso.sh` script as global executable `run_archiso`.
Use -D and -t flags to install to install files more generically (without a previous call to install the directory).

README.rst:
Add README outlining the project's scope, how to build images from the profiles and how to test.

AUTHORS.rst:
Add list of all direct contributors to the repository.

CONTRIBUTING.rst:
Add basic contribution guidelines, explaining the linter and the license in use.

Closes #7
Closes #3
2020-07-29 14:27:48 +02:00

46 lines
1.3 KiB
Bash

#!/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 "${img_loop}" ]; then
export mount_handler="archiso_loop_mount_handler"
fi
}
archiso_loop_mount_handler () {
newroot="${1}"
local _dev_loop
msg ":: Setup a loop device from ${img_loop} located at device ${img_dev}"
_mnt_dev "${img_dev}" "/run/archiso/img_dev" "-r" "${img_flags}"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" != "y" ]; then
readlink -f "${img_dev}" >> /run/archiso/used_block_devices
fi
if _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
export archisodevice="${_dev_loop}"
else
echo "ERROR: Setting loopback device for file '/run/archiso/img_dev/${img_loop}'"
launch_interactive_shell
fi
archiso_mount_handler "${newroot}"
if [ "${copytoram}" = "y" ]; then
losetup -d "${_dev_loop}" 2>/dev/null
umount /run/archiso/img_dev
fi
}
# vim: set ft=sh: