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#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.


set -e

# Including common functions
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh

# Setting static variables
DESCRIPTION="Mount /dev/pts"
USAGE="${PROGRAM} {install|remove} [--force]"

# Processing arguments and configuration files
Init_config_data "${@}"

_ACTION="${1}"
shift

# Requiring stage file
Require_stagefiles config bootstrap

case "${_ACTION}" in
	install)
                Echo_message "Begin mounting /dev/pts..."

                # Checking stage file
                Check_stagefile

                # Acquire lock file
                Acquire_lockfile

                # Creating mountpoint
                mkdir -p chroot/dev/pts

                # Mounting /dev/pts
                mount -t devpts -o gid=5,mode=620,x-gvfs-hide devpts-live chroot/dev/pts || true

                # Creating stage file
                Create_stagefile
		;;

	remove)
                Echo_message "Begin unmounting /dev/pts..."

                # Checking stage file
                Ensure_stagefile_exists

                # Acquire lock file
                Acquire_lockfile

                # Unmounting /dev/pts
                if grep -qs "$(pwd)/chroot/dev/pts" /proc/mounts || Find_files chroot/dev/pts/*
                then
                        umount chroot/dev/pts
                else
                        umount -f chroot/dev/pts > /dev/null 2>&1 || true
                fi

                # Removing stage file
                Remove_stagefile
		;;

	*)
		Echo_error "Invalid action parameter: '${_ACTION}'"
		Usage --fail
		;;
esac