bin/svtree-run


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#!/bin/execlineb -P

importas -D "/etc" -S XDG_CONFIG_HOME
importas -D "/run" -S XDG_RUNTIME_DIR

define STATE_DIR "${XDG_CONFIG_HOME}/s6-rc"
define LIVE_DIR "${XDG_RUNTIME_DIR}/s6-rc"
define SCAN_DIR "${XDG_RUNTIME_DIR}/service"
define SOURCE_DIR "${STATE_DIR}/src"
define COMPILED_DIR "${STATE_DIR}/compiled"
define GENERATED_DIR "${XDG_RUNTIME_DIR}/svtree-generated"

# generate additional services
if { /opt/svtree/bin/svtree-generate }

# compile s6-rc db
if { /opt/svtree/bin/svtree-compile }

# check that we have the db
if { eltest -e ${COMPILED_DIR} }

# TODO: cgroup support
#define CG /sys/fs/cgroup/usr
#if { test -d ${CG} }
#if { test -w ${CG}/cgroup.procs }

# nuke any other svscan process
foreground { s6-svscanctl -qN ${SCAN_DIR} }
foreground { s6-svwait -D ${SCAN_DIR}/s6rc-fdholder }

# cleanup
foreground { rm -rf ${SCAN_DIR} }
foreground { elglob l ${LIVE_DIR}* rm -rf ${l} }

# setup rundir
if { cp -va -- /opt/svtree/run-image/service ${SCAN_DIR} }

background {
	# setup s6-rc
	if { s6-rc-init -c ${COMPILED_DIR} -l ${LIVE_DIR} -db -- ${SCAN_DIR} }

	# launch default target
	if { s6-rc -v2 -l ${LIVE_DIR} -pu change default }
}

# catch-all logger
fdmove -c 4 2
redirfd -wnb 2 ${SCAN_DIR}/s6-svscan-log/fifo
fdmove -c 1 2

# run s6
exec s6-svscan ${SCAN_DIR}