feat: add battery monitoring convenience script

README.md

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+Thing

scripts/adpon.sh

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+[ "$(cat /sys/class/power_supply/ADP*/online 2>/dev/null)" = "1" ] && echo "ADP Online" || echo "ADP Offline; using battery"

scripts/ereport.sh

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+#!/bin/bash
+set -euo pipefail
+DATE=$(date -I)
+REPORT_PATH=$HOME/ereport-$(date -I).txt
+if [[ -f "$REPORT_PATH" ]]; then
+	echo "Today's report already exists at $REPORT_PATH!"
+else
+	echo "Syncing repositories..."
+	# sudo emerge --sync >> "$REPORT_PATH"
+	echo "Writing update report..."
+	sudo emerge --update --newuse --deep @world --pretend >> "$REPORT_PATH"
+fi