[polybar] Use bib-due date filter

Utilize the date filter option to display upcoming readings until the
end of the week and no further. Needs gnu date utility.

polybar/.config/polybar/config

@@ -224,9 +224,9 @@ click-right = kill -USR2 %pid%
 ; display information on remaining papers to read for the upcoming week
 [module/papersdue]
 type = custom/script
-exec = bib-due | wc -l
+exec = bib-due -u $(date --date='fri this week' +%Y-%m-%d) | wc -l
 exec-if = type bib-due
-click-left = exist rofi-bib-due normal && rofi-bib-due
+click-left = exist rofi-bib-due normal "opening due papers" && rofi-bib-due -u $(date --date='fri this week' +%Y-%m-%d)
 format-foreground = ${colors.primary}
 format-prefix = ""
 interval = 120

polybar/.local/bin/polybar-launch

@@ -1,4 +1,6 @@
 #!/usr/bin/env bash
+# force start or restart (all) polybar instances
+# if ipc is enabled, can be replaced with `polybar-msg cmd restart`, provided polybar is not stuck
 
 # Terminate already running bar instances
 killall -q polybar