Fix normal install without arguments

install.sh

@@ -4,16 +4,14 @@ SEQGITURL="https://winklerfamilie.eu/git/efelon/shell_sequencer.git"
 SEQUENCER_DIR=
 
 # Get script working directory
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+WDIR="$(cd "$(dirname -- "$(realpath ${BASH_SOURCE[0]})")" >>/dev/null 2>&1 && pwd)"
   
 SEQUENCER_DIR="$1"
 
 # Installation directory was not set by argument -d
 if [ -z "$SEQUENCER_DIR" ]; then
   # Fallback to working directory
-  if [ $? -ne 0 ]; then 
-    SEQUENCER_DIR="${WDIR}"
-  fi
+  SEQUENCER_DIR="${WDIR}"
 fi
 
 echo $SEQUENCER_DIR