Update bluetooth script to handle non-dwm dwm's

1 files changed, 25 insertions, 10 deletions

diff --git a/.local/bin/bt b/.local/bin/bt
index 9d40a67..bda82c9 100755
--- a/.local/bin/bt
+++ b/.local/bin/bt
@@ -2,30 +2,45 @@
 
 set -e
 
+die() {
+  echo "${1}"
+  exit 1
+}
+
+sigdwm() {
+  which sigdwmblocks>/dev/null || return
+  sigdwmblocks 4
+}
+
+# Check if bluetoothctl is in $PATH
+which bluetoothctl>/dev/null || die 'No bluetoothctl in $PATH'
+
 # Check if bluetooth is blocked
 (rfkill | grep -E "bluetooth.*\<blocked\>" >/dev/null) && echo "Please check rfkill and unblock bluetooth module." && exit || true
 
-[ "$1" = "stop" ] && systemctl stop bluetooth.service && sigdwmblocks 4 && exit
+# If "stop" is the first argument, stop bluetooth service
+[ "$1" = "stop" ] && systemctl stop bluetooth.service && sigdwm && exit
+
+# Start bluetooth service if it's not started
 systemctl is-active bluetooth.service >/dev/null || systemctl start bluetooth.service
 
+# If the bluetooth module is powered off, power it on
 [ "$(bluetoothctl show | awk '/Powered/ {print $2}')" = "no" ] && bluetoothctl power on && bluetoothctl agent on
 
+# BTID regex (just a MAC address)
 BTID='^([A-F0-9]{2}:){5}[A-F0-9]{2}$'
 
 if [ $# -gt 0 ]; then
-  if [ "$#" -eq 1 ]; then
-    PAIRED=$(bluetoothctl devices Paired | grep "$1" | awk '/Device/ {print $2}')
+  PAIRED=$(bluetoothctl devices Paired | grep "$1" | awk '/Device/ {print $2}')
 
-    if   [ $(echo "$1"      | grep -E $BTID) ]; then bluetoothctl connect $1
-    elif [ $(echo "$PAIRED" | grep -E $BTID) ]; then bluetoothctl connect $PAIRED
-    else                                             bluetoothctl $*
-    fi
-  else bluetoothctl $*
+  if   [ $(echo "$1"      | grep -E $BTID) ]; then bluetoothctl connect $1
+  elif [ $(echo "$PAIRED" | grep -E $BTID) ]; then bluetoothctl connect $PAIRED
+  else                                             bluetoothctl $*
   fi
-else
+else # If no arguments are provided, print available devices
   CONNECTED="$(bluetoothctl info | awk '/Name/ {print $2}')" || true
 
   bluetoothctl devices Paired | awk "/Device/ {if(\"$CONNECTED\"==\$3) print \"\033[1;32m\" \$2 \"\t\" \$3 \"\033[0m\"; else print \$2 \"\t\" \$3;}"
 fi
 
-sigdwmblocks 4
+sigdwm