wmstartup: Add tasks frameworking

Because one-off services are kind of hacky

.config/dtfscripts/common_task.sh

@@ -0,0 +1,14 @@
+#! /usr/bin/env bash
+#
+# wmstartup service common functions
+# Copyright (C) 2018 salt <salt@lap-th-e560-0>
+#
+# Distributed under terms of the MIT license.
+#
+
+# Basic logging service. Do not override unless necessary
+function tsk_log() {
+	if [ -z ${1+x} ]; then return 1; fi
+	dtf_log "$task: $1"
+}
+

.config/dtfscripts/services/0_kill_krunner.dtf

@@ -1,15 +0,0 @@
-#! /usr/bin/env bash
-#
-# Simple wmstartup service
-# Copyright (C) 2018 salt <salt@lap-th-e560-0>
-#
-# Distributed under terms of the MIT license.
-#
-
-service_name="Krunner"
-service_process="krunner"
-
-function start() {
-	return 0
-}
-

.config/dtfscripts/services/0_xrdbupdate.dtf

@@ -1,22 +0,0 @@
-#! /usr/bin/env bash
-#
-# Simple wmstartup service
-# Copyright (C) 2018 salt <salt@lap-th-e560-0>
-#
-# Distributed under terms of the MIT license.
-#
-
-service_name="Xresources"
-service_process="xrdbupdate"
-service_kill_on_reload="false"
-
-function start() {
-	svc_log "Updating"
-	$service_process $service_flags > /dev/null 2>&1 &
-	return 0
-}
-
-function stop() {
-	return 1
-}
-

.config/dtfscripts/tasks/kill_krunner.sh

@@ -0,0 +1,20 @@
+#! /bin/sh
+if ! pgrep krunner > /dev/null 2>&1; then
+	exit 0
+fi
+killall krunner
+for i in {1..100}; do
+	if ! pgrep krunner; then break ;fi
+	sleep 0.01
+	if (( $i > 99 )); then
+		killall -9 krunner
+	fi
+done
+if pgrep krunner > /dev/null 2>&1; then
+	tsk_log "Failed to kill krunner"
+	exit 1
+else
+	tsk_log "Killed krunner"
+	exit 0
+fi
+

.config/dtfscripts/tasks/monitorset.sh

@@ -0,0 +1,80 @@
+#! /bin/bash
+#
+# monitorset.sh
+# Copyright (C) 2018 salt <salt@dsk-cstm-0>
+#
+# Distributed under terms of the MIT license.
+#
+
+if ! pgrep bspwm > /dev/null 2>&1; then
+	tsk_log "Not running in bspwm"
+	exit 1
+fi
+
+monitor_primary=$(xrandr -q | awk '/primary/{print $1}')
+monitors_secondary=($(xrandr -q | grep ' connected' | grep -v 'primary' | awk '{print $1}'))
+
+desktops_total=${BSPWM_DESKTOPS_TOTAL:-8}
+desktops_primary=${BSPWM_DESKTOPS_PRIMARY:-6}
+desktops_secondary=$(($desktops_total - $desktops_primary))
+
+# Sanity checks
+if ! [[ "$desktops_total" -ge 1 ]]; then
+	tsk_log "desktops_total cannot be $desktops_total, defaulting to 8"
+	desktops_total=8
+fi
+if ! [[ "$desktops_primary" -ge 1 ]]; then
+	tsk_log "desktops_primary cannot be $desktops_primary, defaulting to 6"
+	desktops_primary=6
+fi
+
+# Do we have enough desktops for all monitors?
+# We can correct this without defaulting, so don't error
+if [[ $desktops_secondary -lt ${#monitors_secondary[@]} ]]; then
+	tsk_log "Configuration would leave some monitors without desktops; adding more"
+	desktops_secondary=${#monitors_secondary[@]}
+	desktops_total=$(($desktops_secondary + $desktops_primary))
+	deskpermon=1
+	tsk_log "Remaining desktops set to $desktops_secondary, highest desktop is now $desktops_total"
+fi
+
+# Can we actually reach all of these desktops via keybinds?
+if [[ $desktops_total -gt 10 ]]; then
+	tsk_log "More than ten desktops were allocated! Not all of these can be reached via keybinds!"
+	if [[ $(($desktops_total - $desktops_secondary)) -gt 0 ]]; then
+		tsk_log "Adjusting primary desktop reservation"
+		desktops_primary=$(($desktops_total - $desktops_secondary))
+		tsk_log "Set reserved desktops to $desktops_primary"
+	else
+		tsk_log "Cannot resolve this situation without starving the primary monitor of desktops!"
+		tsk_log "This may result in desktops being allocated that cannot be easily accessed!"
+	fi
+fi
+
+
+# The code that actually sets the monitors up
+# First, do we actually have any secondaries?
+if [[ $(echo ${monitors_secondary:-0}) == "0" ]]; then
+	# We only have one monitor, so give it everything
+	layout=$(seq --separator=" " 1 $desktops_total)
+	tsk_log "Found one monitor: $monitor_primary, so giving it layout \"$layout\""
+	bspc monitor $monitor_primary -d $layout
+else
+	deskpermon=$(($desktops_secondary / ${#monitors_secondary[@]}))
+	layout=$(seq --separator=" " 1 $desktops_primary)
+	tsk_log "Giving primary monitor $monitor_primary layout \"$layout\""
+	bspc monitor $monitor_primary -d $layout
+	unset layout
+	tsk_log "Attempting to put $desktops_secondary desktops across ${#monitors_secondary[@]} monitors, $deskpermon each"
+	for m in $(seq 0 $((${#monitors_secondary[@]} - 1))); do
+		layout=$(seq --separator=" " $((1 + $m + $desktops_primary)) ${#monitors_secondary[@]} "$desktops_total")
+		tsk_log "Giving monitor $m (${monitors_secondary[$m]}) layout \"$layout\""
+		bspc monitor ${monitors_secondary[$m]} -d $layout
+	done
+fi
+unset monitor_primary
+unset monitors_secondary
+unset desktops_total
+unset desktops_primary
+unset desktops_secondary
+

.config/dtfscripts/tasks/xrdbupdate.sh

@@ -0,0 +1,14 @@
+#! /bin/sh
+if [ -r ~/.Xresources ]; then
+	tsk_log "Loading .Xresources"
+	xrdb ~/.Xresources
+fi
+for file in $XDG_CONFIG_HOME/xrdb/*.xresources; do
+	if ! [ -r "$file" ]; then
+		tsk_log "Could not read file \"$file\""
+	else
+		tsk_log "Merging in file \"$file\""
+		xrdb -merge "$file"
+	fi
+done
+

.config/dtfscripts/wmstartup.sh

@@ -25,6 +25,7 @@
 unset TERMINAL
 # Specific to these dtfscripts
 unset DTF_SERVICES
+unset DTF_TASKS
 # Polybar
 unset PB_MONITOR
 unset PB_WM_RESTACK
@@ -64,6 +65,7 @@ fi
 ## Set some more variables
 export DTF_CONFIG_HOME="$XDG_CONFIG_HOME/dtfscripts"
 export DTF_SERVICES_DIR="$DTF_CONFIG_HOME/services"
+export DTF_TASKS_DIR="$DTF_CONFIG_HOME/tasks"
 
 ## Load device-specific scripts
 if [[ -x "$DTF_CONFIG_HOME/devices/$(hostname).rc" ]]; then
@@ -71,9 +73,20 @@ if [[ -x "$DTF_CONFIG_HOME/devices/$(hostname).rc" ]]; then
 	source $HOME/.config/dtfscripts/devices/$(hostname).rc
 fi
 
+## Determine which tasks to run
+# If DTF_TASKS is set, use that
+# Otherwise, run everything
+if [[ "$DTF_TASKS" == "" ]]; then
+	dtf_log "Performing all tasks"
+	for task in $DTF_TASKS_DIR/*; do
+		export DTF_TASKS="$DTF_TASKS $(basename "$task")"
+	done
+else
+	dtf_log "Performing a subset of all tasks"
+fi
+
 ## Determine which services to run
-# If DTF_SERVICES is set, use that
-# Otherwise, populate it with every service
+# Same as above
 if [[ "$DTF_SERVICES" == "" ]]; then
 	dtf_log "Starting all available services"
 	for service in $DTF_SERVICES_DIR/*.dtf; do
@@ -83,6 +96,23 @@ else
 	dtf_log "Starting a subset of available services"
 fi
 
+## Run tasks
+for task in $DTF_TASKS; do
+	task_full="$DTF_TASKS_DIR/$task"
+	(
+	if ! [ -r "$task_full" ]; then
+		dtf_log "Task is unreadable or missing: $task"
+		exit 1
+	fi
+	if ! [ -x "$task_full" ]; then
+		dtf_log "Task is unexecutable: $task"
+		exit 1
+	fi
+	source "$DTF_CONFIG_HOME/common_task.sh"
+	source "$task_full"
+	)
+done
+
 ## Run startup scripts
 for service in $DTF_SERVICES; do
 	service_full="$DTF_SERVICES_DIR/$service"