Change stuff to make it work on more systems (error/exception handling in bspwm startup etc.)

.config/bspwm/bspwmrc

@@ -1,6 +1,25 @@
 #!/usr/bin/env bash
 
+command -v sxhkd >/dev/null 2>&1
+return_val=$?
+if [ $return_val -ne 0 ]; then
+    echo >&2 "Can't seem to find the sxhkd executable. Exiting!"
+    bspc quit && exit 1
+else
     sxhkd &
+    return_val=$?
+    if [ $return_val -ne 0 ]; then
+        echo >&2 "Couldn't fire up sxhkd: $return_val. Exiting!"
+        bspc quit && exit 1
+    fi
+fi
+
+command -v alacritty >/dev/null 2>&1
+return_val=$?
+if [ $return_val -ne 0 ]; then
+    echo >&2 "Can't seem to find the alacritty executable. Exiting!"
+    bspc quit && exit 1
+fi
 
 for monitor in $(bspc query -M); do
     bspc monitor $monitor -d \~
@@ -32,7 +51,37 @@ bspc config presel_feedback_color "#6272a4"
 bspc rule -a Screenkey manage=off
 bspc rule -a Zathura state=tiled manage=on
 
+command -v nitrogen >/dev/null 2>&1
+return_val=$?
+if [ $return_val -ne 0 ]; then
+    echo >&2 "Can't seem to find the nitrogen executable"
+else
     nitrogen --restore &
-/usr/lib/xfce-polkit/xfce-polkit &
+    return_val=$?
+    if [ $return_val -ne 0 ]; then
+        echo >&2 "Couldn't fire up nitrogen: $return_val"
+    fi
+fi
 
-$HOME/.config/polybar/launch.sh
+command -v /usr/lib/xfce-polkit/xfce-polkit >/dev/null 2>&1
+return_val=$?
+if [ $return_val -ne 0 ]; then
+    echo >&2 "Can't seem to find the /usr/lib/xfce-polkit/xfce-polkit executable"
+else
+    /usr/lib/xfce-polkit/xfce-polkit &
+    return_val=$?
+    if [ $return_val -ne 0 ]; then
+        echo >&2 "Couldn't fire up xfce-polkit: $return_val"
+    fi
+fi
+
+command -v polybar >/dev/null 2>&1
+if [ $? -ne 0 ]; then
+    echo >&2 "Can't seem to find the polybar executable. Starting barless!"
+    bspc config top_padding 0
+else
+    $HOME/.config/polybar/launch
+    if [ $? -ne 0 ]; then
+        echo >&2 "Couldn't fire up polybar: $?"
+    fi
+fi

.config/polybar/launch

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 killall -q polybar
 

.gitignore

@@ -13,6 +13,7 @@
 !/.xinitrc
 !/.Xmodmap.example
 !/.Xresources
+!/.xsession
 !/.zshenv
 !/.zshpath.example
 !/.zshrc

.xinitrc

@@ -10,4 +10,5 @@ fi
 setxkbmap "us,us" ",intl" "grp:shifts_toggle"
 [ -f ~/.Xmodmap ] && xmodmap ~/.Xmodmap
 
-exec bspwm
+mkdir -p $HOME/.local/share/bspwm
+exec bspwm >$HOME/.local/share/bspwm/output.log 2>$HOME/.local/share/bspwm/error.log

.xsession

@@ -0,0 +1 @@
+bspwm