From b927aa1d91d50887e3bb5fa4333687d8ab373828 Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Wed, 30 Dec 2020 14:20:21 +0000
Subject: init commit

---
 LICENSE   | 20 ++++++++++++++++++++
 battcheck | 12 ++++++++++++
 conf      |  4 ++++
 run       | 23 +++++++++++++++++++++++
 4 files changed, 59 insertions(+)
 create mode 100644 LICENSE
 create mode 100755 battcheck
 create mode 100644 conf
 create mode 100755 run

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..027c53c
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright 2020 Tomasz Kramkowski <tk@the-tk.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/battcheck b/battcheck
new file mode 100755
index 0000000..4a6ce1f
--- /dev/null
+++ b/battcheck
@@ -0,0 +1,12 @@
+#!/bin/awk -f
+# Copyright (C) 2020 Tomasz Kramkowski <tk@the-tk.com>
+# SDPX-License-Identifier: MIT
+BEGIN { FS = "=" }
+{ a[substr($1, 14)] = $2 }
+END {
+	if (a["STATUS"] != "Discharging") exit 0
+	time_left = a["ENERGY_NOW"] / a["POWER_NOW"] * 3600
+	if (min_time && time_left < min_time) exit 1
+	if (min_pct && a["CAPACITY"] < min_pct) exit 1
+	exit 0
+}
diff --git a/conf b/conf
new file mode 100644
index 0000000..cff836d
--- /dev/null
+++ b/conf
@@ -0,0 +1,4 @@
+battery=/sys/class/power_supply/BAT0/uevent
+interval() { ./battcheck min_time=1200 min_pct=16 "$battery"; }
+check() { ./battcheck min_time=600 min_pct=8 "$battery"; }
+failed() { zzz -H; }
diff --git a/run b/run
new file mode 100755
index 0000000..784c89c
--- /dev/null
+++ b/run
@@ -0,0 +1,23 @@
+#!/bin/sh
+# Copyright (C) 2020 Tomasz Kramkowski <tk@the-tk.com>
+# SDPX-License-Identifier: MIT
+
+. ./conf || exit 1
+trap '. ./conf' HUP
+
+check
+laststatus=$?
+
+while :; do
+	if interval; then
+		sleep "${long_interval-300}"
+	else
+		sleep "${short_interval-30}"
+	fi
+	check
+	status=$?
+	if [ "$laststatus" -eq 0 ] && [ "$status" -ne 0 ]; then
+		failed
+	fi
+	laststatus=$status
+done
-- 
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