wmstartup: Add custom service definition, leverage subshells better

.config/dtfscripts/services/common.bash

@@ -17,7 +17,7 @@ function svc_log() {
 }
 
 function prestart() {
-	if pgrep $service_proccess > /dev/null 2>&1; then
+	if pgrep $service_process > /dev/null 2>&1; then
 		svc_log "Already running"
 		return 1
 	fi

.config/dtfscripts/wmstartup.sh

@@ -23,6 +23,8 @@
 ## Clean up some variables
 # General
 unset TERMINAL
+# Specific to these dtfscripts
+unset DTF_SERVICES
 # Polybar
 unset PB_MONITOR
 unset PB_WM_RESTACK
@@ -68,18 +70,38 @@ if [[ -x "$XDG_CONFIG_HOME/dtfscripts/devices/$(hostname).rc" ]]; then
 	source $HOME/.config/dtfscripts/devices/$(hostname).rc
 fi
 
+## Determine which services to run
+# If DTF_SERVICES is set, use that
+# Otherwise, populate it with every service
+if [[ "$DTF_SERVICES" == "" ]]; then
+	dtf_log "Starting all available services"
+	for service in $DTF_SEVICES_DIR/*.dtf; do
+		export DTF_SERVICES="$DTF_SERVICES $(basename $service)"
+	done
+else
+	dtf_log "Starting a subset of available services"
+fi
+
 ## Run startup scripts
 for service in $DTF_SERVICES_DIR/*.dtf; do
+	service_full="$DTF_SERVICES_DIR/$service"
 	(
-	source $service
+	if ! [ -r $service ]; then
-	if ! prestart; then
+		dtf_log "Service is unreadable or missing: $service"
-		svc_log "Failed pre-start checks"
+		exit 1
-	else
-		if isup && [[ "$service_kill_on_reload" == "true" ]] ; then
-			stop
-		fi
-		start
 	fi
+	if ! [ -x $service ]; then
+		dtf_log "Service is unexecutable: $service"
+		exit 1
+	fi
+	source $service
+	if isup && [[ "$service_kill_on_reload" == "true" ]] ; then
+		stop
+	fi
+	if ! prestart; then
+		exit 1
+	fi
+	start
 	)
 done