From ea734d22e2a3f16dd53362cd7d69ee905261a722 Mon Sep 17 00:00:00 2001
From: Siraaj Khandkar <siraaj@khandkar.net>
Date: Fri, 27 Jul 2018 14:52:11 -0400
Subject: [PATCH] Take disk and screen devices from CLI options

---
 bin/khatus_show | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/bin/khatus_show b/bin/khatus_show
index b06ae1f..12263e1 100755
--- a/bin/khatus_show
+++ b/bin/khatus_show
@@ -6,9 +6,31 @@ BIN=$HOME/bin
 STATUS_DIR=$HOME/var/run/status
 STATUS_FILE__WIFI=$STATUS_DIR/wifi
 STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF=$STATUS_DIR/notified_energy_bellow_half
-DISK_IO_DEVICE='dm-1'
-DISK_SPACE_DEVICE='/dev/mapper/kubuntu--vg-root'
-SCREEN_BRIGHTNESS_DEVICE_NAME='acpi_video0'
+while getopts ":b:d:s:" opt
+do
+    case "$opt" in
+        b)
+            SCREEN_BRIGHTNESS_DEVICE_NAME="$OPTARG"
+            ;;
+        d)
+            DISK_IO_DEVICE="$OPTARG"
+            ;;
+        s)
+            DISK_SPACE_DEVICE="$OPTARG"
+            ;;
+        \?)
+            echo "Unknown option: $OPTARG" >&2
+            exit 1
+            ;;
+        :)
+            echo "Missing argument for option: $OPTARG" >&2
+            exit 1
+            ;;
+    esac
+done
+if [ "$SCREEN_BRIGHTNESS_DEVICE_NAME" == '' ]; then echo 'Missing -b' >&2; exit 1; fi
+if [ "$DISK_IO_DEVICE" == '' ];                then echo 'Missing -d' >&2; exit 1; fi
+if [ "$DISK_SPACE_DEVICE" == '' ];             then echo 'Missing -s' >&2; exit 1; fi
 SCREEN_BRIGHTNESS_DEVICE_PATH="/sys/class/backlight/$SCREEN_BRIGHTNESS_DEVICE_NAME"
 
 
-- 
2.20.1