Polybar launchscript more generalized and solved bug that made many GTK apps hanging for seconds or minutes

polybar/.config/polybar/config

@@ -151,14 +151,14 @@ ramp-volume-3 = 
 
 [module/wired-network]
 type = internal/network
-interface = enp0s25
+interface = ${env:POLY_ENP}
 
 format-connected = <label-connected>
 label-connected = 
 
 [module/wireless-network]
 type = internal/network
-interface = wlp3s0
+interface = ${env:POLY_WLP}
 
 format-connected = <ramp-signal>
 format-disconnected = <label-disconnected>
@@ -187,7 +187,7 @@ animation-packetloss-framerate = 500
 type = internal/temperature
 interval = 5
 thermal-zone = 0
-hwmon-path = /sys/devices/platform/coretemp.0/hwmon/hwmon4/temp1_input
+hwmon-path = ${env:POLY_HWMON:}
 
 base-temperature = 40
 warn-temperature = 80

polybar/.config/polybar/launch.sh

@@ -1,10 +1,10 @@
-#!/bin/bash
+#!/bin/sh
 
 # Terminate already running bar instances
 killall -q polybar
 
 # Wait until the processes have been shut down
-while pgrep -u $UID -x polybar >/dev/null; do sleep 1; done
+while pgrep -u "$(id -u)" -x polybar >/dev/null; do sleep 1; done
 
 # Launch polybar
 #polybar main -c $HOME/.config/polybar/config &
@@ -12,10 +12,23 @@ while pgrep -u $UID -x polybar >/dev/null; do sleep 1; done
 # Set Monitors
 #xrandr --output HDMI1 --auto --left-of LVDS1
 
+POLY_IFACES="$(ip link show | awk '/^[0-9]+:/ {sub(/:/,"",$2); print $2}')"
+
+for NET_IFACE in $POLY_IFACES ; do
+  echo "$NET_IFACE"
+  case $NET_IFACE in
+    wlp* ) POLY_WLP=$NET_IFACE ;;
+    enp* ) POLY_ENP=$NET_IFACE ;;
+  esac
+done
+
+HWMON_BASEDIR="$(find "/sys/devices/platform/coretemp.0/hwmon/" -maxdepth 1 -type d -name 'hwmon*' | tail -n +2 | head -1)"
+POLY_HWMON="$HWMON_BASEDIR"/temp1_input
+
 if type "xrandr"; then
   for m in $(xrandr --query | grep " connected" | cut -d" " -f1); do
-    MONITOR=$m polybar main --reload -c $HOME/.config/polybar/config &
+    POLY_WLP=$POLY_WLP POLY_ENP=$POLY_ENP POLY_HWMON=$POLY_HWMON MONITOR=$m polybar main --reload -c "$HOME/.config/polybar/config" &
   done
 else
-  polybar main --reload -c $HOME/.config/polybar/config &
+  polybar main --reload -c "$HOME/.config/polybar/config" &
 fi

x/.xinitrc

@@ -10,10 +10,26 @@
 # startx $HOME/.xinitrc i3
 # xinit -- $DISPLAY -nolisten tcp vt$XDG_VTNR
 
-if [ -f $HOME/.Xresources ]; then
+if [ -f "$HOME/.Xresources" ]; then
-    xrdb -merge $HOME/.Xresources
+    xrdb -merge "$HOME/.Xresources"
 fi
 
-# invoke local X session script
+# NOTE: this stinks a bit, and everything works without this... BUT there are
-. $HOME/.xsession
+#       some parameters set in this collection of scripts of which at the
+#       moment I don't have the time (and will) to grasp the secuirty
+#       consequences of removing them.
+# run all system xinitrc shell scripts.
+if [ -d /etc/X11/xinit/xinitrc.d ]; then
+    for i in /etc/X11/xinit/xinitrc.d/* ; do
+        if [ -x "$i" ]; then
+      . "$i"
+        fi
+    done
+fi
 
+# To avoid very solw startup of many GTK apps
+# https://dbus.freedesktop.org/doc/dbus-update-activation-environment.1.html
+#dbus-update-activation-environment --systemd DISPLAY
+
+# invoke local X session script
+. "$HOME/.xsession"