Support installation to different directoy

Introduce configuration file to set a custom seqs collection

README.md

@@ -32,12 +32,16 @@ ln -s /opt/sequencer/seqs /opt
 ```
 or
 
-use the simple bash installation script in the repository:
+use the simple bash installation script in the repository which installs git and performs the steps above:
 
 ```
 curl -L https://winklerfamilie.eu/git/efelon/shell_sequencer/raw/branch/master/install.sh | bash
 ```
 
+You may override the default installation path `/opt/sequencer` by appending `-s /custom/path` to the command above:
+
+e.g. `curl -L https://winklerfamilie.eu/git/efelon/shell_sequencer/raw/branch/master/install.sh | bash -s /usr/lib/sequencer`
+
 ## Bash-completion
 
 The included optional bash-completion script `sqnall-completion.bash` provides aliases to all available sequences as well as completion for sequencer.sh options and steps (including aliases) individually for each sequence. The aliases have the prefix `sqn_` which stands for _sequence name_.
@@ -50,6 +54,19 @@ source /opt/sequencer/sqnall-completion.bash
 
 e.g. `/opt/sequencer/seqs/kodi.sh` can be started anyhere with `sqn_kodi` 
 
+### Custom sequence directory
+
+To control which seqs are available for bash-completion, copy `sequencer.cfg.dist` to `sequencer.cfg` and adjust the value of the variable `SEQUENCER_USER_SEQS`.
+
+To make these changes active run the following commands. You don't need the last step if you already used `installCompletion.sh`.
+
+```
+unalias -a
+source ~/.bashrc
+source /opt/sequencer/sqnall-completion.bash
+```
+
+or simply logout from the current session and login again.
 
 ### Automatic setup after login
 
@@ -60,3 +77,11 @@ source /opt/sequencer/installCompletion.sh
 ```
 
 This sources the bash-completion script in the users .bashrc file.
+
+## Default text editor
+
+Sequencer uses the Debian alternatives system to the select which editor to use. To change the default editor, which by default is most likely _nano_:
+
+```
+update-alternatives --config editor
+```

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:"

installCompletion.sh

@@ -1,9 +1,11 @@
 #!/bin/bash
 
+# Get script working directory
+WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+
 _sequencerCompletion() {
-  local SEQBASE="/opt/sequencer"
-  local SEQCOMP_LOC="$SEQBASE/sqnall-completion.bash"
-  local SEQCOMP_LOADER="$(realpath ~/.bashrc)"
+  local SEQCOMP_LOC="${WDIR}/sqnall-completion.bash"
+  local SEQCOMP_LOADER="$HOME/.bashrc)"
   local SEQCOMP_SOURCE="source \"$SEQCOMP_LOC\""
 
   grep "$SEQCOMP_SOURCE" "$SEQCOMP_LOADER" >>/dev/null 2>&1

sequencer.cfg.dist

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+## Bash completion ##
+# Where uses store own seqs or selected distribution selected seqs
+SEQUENCER_USER_SEQS="/opt/seqs"

sqnall-completion.bash

@@ -36,9 +36,19 @@ _sqnall_completions()
 }
 
 installCompletion() {
-  local SEQBASE="/opt/sequencer/seqs"
+  # Get script working directory
+  # (when called from a different directory)
+  local WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+  
+  . ${WDIR}/sequencer.cfg &>/dev/null
+
+  local SEQBASE="${WDIR}/seqs"
   local SEQPREFIX="sqn_"
   local SEQSHORT=()
+  
+  # Check for user selected sequences
+  [ -e "$SEQUENCER_USER_SEQS" ] && SEQBASE="$SEQUENCER_USER_SEQS"
+
   # Create aliases and command (alias) list for "complete" command"
   SEQLIST=($(ls "$SEQBASE/$cur"*.sh))
   for i in "${!SEQLIST[@]}"; do