[script] Add simple due script for bibtex file

Scrapes a bibtex file for 'due' field, and outputs all found entries
with their priority and sorted for date.

polybar/.config/polybar/config

@@ -17,10 +17,8 @@
 ;==========================================================
 
 [colors]
-;background = ${xrdb:color0:#222}
 background = ${xrdb:background}
 background-alt = ${xrdb:color8}
-;foreground = ${xrdb:color7:#222}
 foreground = ${xrdb:foreground}
 foreground-alt = ${xrdb:color3}
 primary = ${xrdb:color1}
@@ -46,6 +44,10 @@ margin-top = 0
 margin-bottom = 0
 
 [bar/simple-top]
+; enable inter process communication, so that we can send messages
+; to polybar via polybar-msg command
+enable-ipc = true
+
 ; Put the bar at the bottom of the screen
 bottom=false
 
@@ -56,7 +58,7 @@ padding-right = 0
 module-margin-left = 2
 
 modules-left = workspaces
-modules-center = mprisdisplay date
+modules-center = music date papersdue
 modules-right = networkspeed archupdates cpu temp backlight volume battery
 ; do not use offsets for the bar, would only work with override-redirect
 ; and will mess up tray https://github.com/polybar/polybar/issues/1355
@@ -85,7 +87,7 @@ fixed-center = true
 ; See the Fonts wiki page for more details
 font-0 = Comic Neue
 font-1 = NotoSans
-font-2 = Iosevka:size=18
+font-2 = Iosevka:size=18;1
 
 cursor-click = pointer
 
@@ -177,12 +179,12 @@ interval = 1.0
 ; To list all the zone types, run
 ; $ for i in /sys/class/thermal/thermal_zone*; do echo "$i: $(<$i/type)"; done
 ; Default: 0
-thermal-zone = 0
+thermal-zone = 2
 ; Use `sensors` to find preferred temperature source, then run
 ; $ for i in /sys/class/hwmon/hwmon*/temp*_input; do echo "$(<$(dirname $i)/name): $(cat ${i%_*}_label 2>/dev/null || echo $(basename ${i%_*})) $(readlink -f $i)"; done
 ; hwmon-path = /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_input
 ; Base temperature for where to start the ramp (in degrees celsius)
-base-temperature = 40
+base-temperature = 50
 ; Threshold temperature to display warning label (in degrees celsius)
 warn-temperature = 70
 units = true
@@ -209,26 +211,44 @@ date-alt = %A, %d %B %Y (W %V)
 time-alt = %H:%M
 label = %date% %{T2} %{T-}%time%
 
+; display information on currently playing track, allows simple track manipulation
+[module/music]
+type = custom/script
+exec = $XDG_CONFIG_HOME/polybar/scripts/poly-mprisdisplay
+exec-if = type $XDG_CONFIG_HOME/polybar/scripts/poly-mprisdisplay
+tail = true
+click-left = kill -USR1 %pid%
+click-right = kill -USR2 %pid%
+; TODO: add album art display (on click?) - retrieved by playerctl metadata mpris:artUrl
+
+; display information on remaining papers to read for the upcoming week
+[module/papersdue]
+type = custom/script
+exec = $XDG_CONFIG_HOME/polybar/scripts/poly-papersdue
+exec-if = type bib-due
+tail = true
+click-left = exist rofi-bib-due normal "opening due papers" && rofi-bib-due -p1 -u $(date --date='fri this week' +%Y-%m-%d)
+; format-foreground = ${colors.primary}
+format-prefix = " "
+interval = 120
+
+; display unified available packages for update on arch from repos/aur
+; uses pacman-contrib/checkupdates if available to avoid partial arch upgrades
 [module/archupdates]
 type = custom/script
 exec = $XDG_CONFIG_HOME/polybar/scripts/poly-archupdates
+exec-if = type $XDG_CONFIG_HOME/polybar/scripts/poly-archupdates
 interval = 600
 format = <label>
-format-foreground = ${colors.primary}
-label = %output%
+format-padding = 2
+format-prefix = " "
+; format-foreground = ${colors.primary}
 
 [module/networkspeed]
 type = custom/script
 exec = $XDG_CONFIG_HOME/polybar/scripts/poly-networkspeed
 tail = true
 
-[module/mprisdisplay]
-type = custom/script
-exec = $XDG_CONFIG_HOME/polybar/scripts/poly-mprisdisplay
-interval = 3
-click-left = playerctl play-pause &
-; TODO: add album art display (on click?) - retrieved by playerctl metadata mpris:artUrl
-
 [module/volume]
 type = internal/pulseaudio
 ; Available tags: