From 6f9e094ceb48f74e37bcd8f222d8887a602b8af5 Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@firemail.cc>
Date: Sat, 24 Jun 2023 21:10:11 +0530
Subject: caffeine: keep your computer awake

---
 .local/bin/caffeine | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100755 .local/bin/caffeine

(limited to '.local/bin/caffeine')

diff --git a/.local/bin/caffeine b/.local/bin/caffeine
new file mode 100755
index 0000000..10b26e0
--- /dev/null
+++ b/.local/bin/caffeine
@@ -0,0 +1,118 @@
+#!/bin/sh
+
+cfpid="${XDG_RUNTIME_DIR:-${TMPDIR:-/tmp}}/caffeine.pid"
+
+usage()
+{
+	cat <<- EOF
+	Usage: ${0##*/} [ -s ] [ -t timeout ]
+	Keep your computer awake
+
+	Options:
+	  -s silent or quiet mode
+	  -t <timeout in minutes>
+
+	EOF
+}
+
+note()
+{
+	command -v notify-send > /dev/null &&
+		notify-send "  caffeine" "$1"
+}
+
+die()
+{
+	note "err: $1"
+	printf "\033[31;1merr: %b\033[0m\n" "$1" 1>&2
+	exit "${2:-1}"
+}
+
+dep_check()
+{
+	: "${1:?}"
+
+	for dep; do
+		command -v "$dep" > /dev/null ||
+			die "${dep} not installed"
+	done
+
+	unset dep
+}
+
+set_menu()
+{
+	if [ -n "$WAYLAND_DISPLAY" ]; then
+		menu="wmenu"
+	elif [ -n "$DISPLAY" ]; then
+		menu="dmenu"
+	else
+		die "can't be ran from tty, setup xorg or wayland"
+	fi
+}
+
+caf_time()
+{
+	dep_check "$menu"
+
+	printf "1\n3\n5\n10\n15\n30" | "$menu" -p " sleep after "
+}
+
+drink()
+{
+	# usage: drink <time in mins>
+	: "${1:?}"
+	disp=
+
+	dep_check swayidle wlr-randr brightnessctl swaylock
+
+	[ -s "$cfpid" ] &&
+		kill "$(cat "$cfpid")"
+
+	disp="$(wlr-randr  | grep  -om1 '^[^ ]*')"
+	swayidle \
+		timeout "$(($1 - 5))" "brightnessctl --save; brightnessctl set 10%-" \
+		resume "brightnessctl --restore" \
+		timeout "$1" "wlr-randr --output ${disp} --off; swaylock" \
+		resume "wlr-randr --output ${disp} --on --adaptive-sync enabled" &
+	echo $! > "$cfpid"
+	
+	[ "$silent" != true ] &&
+		note "$(uname -n) will sleep after $(($1 / 60)) m of inactivity"
+}
+
+########
+# MAIN #
+########
+
+timeout=
+silent=
+menu=
+
+set_menu
+
+while getopts "t:sh" f; do
+	case "$f" in
+	t)
+		timeout="$OPTARG"
+		;;
+	s)
+		silent=true
+		;;
+	h)
+		usage
+		exit
+		;;
+	?)
+		printf "try '%s -h' for more information\n" "${0##*/}"
+		exit 1
+		;;
+	esac
+done
+
+[ -z "$timeout" ] &&
+	timeout="$(caf_time)"
+[ "$((timeout))" -le 0 ] &&
+	die "invalid input time"
+
+drink "$((timeout * 60))"
-- 
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