From d327ddf79b66def57f01b2193cbe638607f51870 Mon Sep 17 00:00:00 2001
From: Julian Prein <druckdev@protonmail.com>
Date: Sun, 16 Oct 2022 01:09:59 +0200
Subject: [PATCH] polybar: Ignore/abort on missing commands/files

Catch if the files needed in the battery module are missing and exit
early.

Do not mess up the bar by printing error messages. Instead abort.
---
 .config/polybar/scripts/battery.sh | 4 ++--
 .config/polybar/scripts/media.sh   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.config/polybar/scripts/battery.sh b/.config/polybar/scripts/battery.sh
index 3206227..52b6423 100755
--- a/.config/polybar/scripts/battery.sh
+++ b/.config/polybar/scripts/battery.sh
@@ -11,8 +11,8 @@ red='%{F#f00}'
 green='%{F#0f0}'
 end='%{F-}'
 
-bat="$(cat /sys/class/power_supply/BAT0/capacity)"
-ac="$(cat /sys/class/power_supply/AC/online)"
+bat="$(cat /sys/class/power_supply/BAT0/capacity 2>/dev/null)" || exit
+ac="$(cat /sys/class/power_supply/AC/online 2>/dev/null)"
 declare -a ramp
 ramp=(          )
 
diff --git a/.config/polybar/scripts/media.sh b/.config/polybar/scripts/media.sh
index 4dcc641..daa948e 100755
--- a/.config/polybar/scripts/media.sh
+++ b/.config/polybar/scripts/media.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-command -v playerctl >/dev/null 2>&1 || { printf "playerctl not found.\n" >&2; exit 1; }
+command -v playerctl >/dev/null 2>&1 || exit 1
 
 metadata="$(playerctl metadata --format '{{status}} {{artist}}' 2>/dev/null)"
 title="$(playerctl metadata --format '{{title}}' 2>/dev/null)"