Support installation to different directoy

Introduce configuration file to set a custom seqs collection

install.sh

@@ -1,19 +1,42 @@
 #!/bin/bash
 
-SEQLOC="/opt"
-SEQHOME="${SEQLOC}/sequencer"
 SEQGITURL="https://winklerfamilie.eu/git/efelon/shell_sequencer.git"
+SEQUENCER_DIR=
 
-if [ -d "$SEQHOME" ]; then
-  echo " [E] Sequencer seems to be installed already at:"
-  echo "     $SEQHOME"
+# Get script working directory
+WDIR="$(cd "$(dirname "${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
+fi
+
+echo $SEQUENCER_DIR
+exit 0
+  
+# If available use configuration
+. ${WDIR}/sequencer.cfg &>/dev/null
+
+# Set to default if not configured
+[ -z "$SEQUENCER_USER_SEQS" ] && SEQUENCER_USER_SEQS="/opt/seqs"
+
+# Check if already installed
+if [ -d "$SEQUENCER_DIR" ]; then
+  echo " [E] Sequencer seems to be already installed at:"
+  echo "     $SEQUENCER_DIR"
   exit 1
 fi
-if [ ! -w "$SEQLOC" ]; then
-  echo " [E] Your user has no permission to write to $SEQLOC"
+if [ ! -w "$(dirname $SEQUENCER_DIR)" ]; then
+  echo " [E] Your user has no permission to write to $(dirname $SEQUENCER_DIR)"
   exit 2
 fi
 
+# Install git if neccessary
 which git >>/dev/null 2>&1
 if [ $? != 0 ]; then
   echo " [W] Git not found and will be installed"
@@ -24,19 +47,23 @@ if [ $? != 0 ]; then
   apt install git -y
   if [ $? != 0 ]; then
     echo " [E] Cannot install git via apt"
-    exit 4
+    exit 3
   fi
 fi
 
-git clone $SEQGITURL "$SEQHOME"
-if [ $? != 0 ]; then
+# Clone sequncer to target directory
+git clone $SEQGITURL "$SEQUENCER_DIR"
+if [ $? -ne 0 ]; then
   echo " [E] Error cloning git repository:"
   echo "     $SEQGITURL"
-  exit 6
+  exit 4
 fi
 
-ln -s "${SEQHOME}/sequencer/sequencer.sh" "/usr/local/bin"
-ln -s "${SEQHOME}/seqs" "/opt"
+# Install sequncer script
+ln -s "${SEQUENCER_DIR}/sequencer/sequencer.sh" "/usr/local/bin"
+if [ "$SEQUENCER_USER_SEQS" != "$SEQUENCER_DIR/seqs" ]; then
+  ln -s "${SEQUENCER_DIR}/seqs" "${SEQUENCER_USER_SEQS}"
+fi
 
 echo " [I] Successfully installed shell sequencer"
 echo "     Don't forget to set git user variables:"