feat: add battery monitoring convenience script

Makefile

@@ -1,16 +0,0 @@
-PREFIX ?= /usr/local
-BINDIR ?= $(PREFIX)/bin
-SRCDIR ?= .
-
-SCRIPTS := $(wildcard $(SRCDIR)/*.sh)
-
-install:
-	@mkdir -p $(BINDIR)
-	for f in $(SCRIPTS); do \
-		install -m 755 "$$f" "$(BINDIR)/$$(basename $$f .sh)"; \
-	done
-
-uninstall:
-	for f in $(SCRIPTS); do \
-		rm -f "$(BINDIR)/$$(basename $$f .sh)"; \
-	done

README.md

@@ -0,0 +1 @@
+Thing

scripts/adpon.sh

@@ -0,0 +1 @@
+[ "$(cat /sys/class/power_supply/ADP*/online 2>/dev/null)" = "1" ] && echo "ADP Online" || echo "ADP Offline; using battery"

scripts/ereport.sh

@@ -0,0 +1,12 @@
+#!/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