live-build/scripts/build/chroot_hostname

#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
##
## live-build 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
. "${LH_BASE:-/usr/share/live/build}"/scripts/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'manage /bin/hostname')"
HELP=""
USAGE="${PROGRAM} {install|remove} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults

# Requiring stage file
Require_stagefile .stage/config .stage/bootstrap

case "${1}" in
	install)
		Echo_message "Configuring file /etc/hostname"

		# Checking stage file
		Check_stagefile .stage/chroot_hostname

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		# Save hostname
		mv chroot/bin/hostname chroot/bin/hostname.orig

		# Create hostname file
		echo "localhost.localdomain" > chroot/etc/hostname

		Echo_message "Configuring file /bin/hostname"

		# Create hostname program

cat > chroot/bin/hostname << EOF
#!/bin/sh

echo "localhost.localdomain"
EOF

		chmod 755 chroot/bin/hostname

		# Creating stage file
		Create_stagefile .stage/chroot_hostname
		;;

	remove)
		Echo_message "Deconfiguring file /etc/hostname"

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		# Copying hostname from local-includes, if existing
		if [ -e config/chroot_local-includes/etc/hostname ]
		then
			cp -a config/chroot_local-includes/etc/hostname chroot/etc/hostname
		fi

		Echo_message "Deconfiguring file /bin/hostname"

		# Restore hostname file
		if [ -e chroot/bin/hostname.orig ]
		then
			mv chroot/bin/hostname.orig chroot/bin/hostname
		fi

		# Removing stage file
		rm -f .stage/chroot_hostname
		;;

	*)
		Usage
		;;
esac