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#!/sbin/runscript
# $Header: $
# Copyright 2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EMACS="/usr/bin/emacs"
USER="${RC_SVCNAME#*.}"
PIDFILE_DIR="/var/run/emacs-daemon/${USER}"
PIDFILE="${PIDFILE_DIR}/emacs.pid"
checkconfig() {
if [ "${USER}" = "${RC_SVCNAME}" ]; then
eerror "You have to create an init script for each user:"
eerror "ln -s emacs-daemon /etc/init.d/emacs-daemon.<user>"
return 1
fi
if ! id -u "${USER}" >/dev/null; then
eerror "${USER}: No such user"
return 1
fi
# Executing Emacs here also ensures a warm cache, which later helps
# to create the pid file in a timely manner (within 0.5 seconds).
local has_daemon=$(${EMACS} -batch -q --no-site-file \
--eval "(princ (fboundp 'daemonp))")
if [ "${has_daemon}" != t ]; then
eerror "${EMACS} does not support running as a daemon"
return 1
fi
if [ ! -d "${PIDFILE_DIR}" ]; then
ewarn "${PIDFILE_DIR} does not exist - creating it"
mkdir -p "${PIDFILE_DIR}"
chown "${USER}" "${PIDFILE_DIR}"
fi
return 0
}
start() {
local home
checkconfig || return 1
ebegin "Starting Emacs daemon for ${USER}"
eval home="~${USER}"
start-stop-daemon --start --user "${USER}" --chdir "${home}" \
--quiet --pidfile "${PIDFILE}" --exec "${EMACS}" -- --daemon
eend $?
}
stop() {
ebegin "Stopping Emacs daemon for ${USER}"
start-stop-daemon --stop --user "${USER}" \
--pidfile "${PIDFILE}" --exec "${EMACS}"
eend $?
}
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