Script to initiate (or connect to) a tmux session running a rails project

trails.sh

#!/usr/bin/env bash
#
# Script to initiate (or connect to) a rails project
# tmux session. 

if [[ "$1" != "" ]]; then
  app=$1
  APPDIR=$HOME/src/$app
  cd $APPDIR
else
  app=`echo $PWD | sed -e 's|^.*/||'`
  APPDIR=$PWD
fi
export APPDIR
SESSION=$app

tmux start-server
tmux has-session -t $SESSION
if [ $? -eq 0 ]; then
  echo "Session $SESSION already exists.exists Attaching."
  sleep 1
  tmux attach -t $SESSION
  exit 0;
fi

echo "Starting rails app $SESSION session..."
tmux new-session -d -s $SESSION 

# Setup Windows. Note `cd $APPDIR` is necessary to fire .rvmrc
tmux new-window -t $SESSION:0 -k -n server "cd $APPDIR;bundle exec rails s"
tmux new-window -t $SESSION:1 -n edit      "cd $APPDIR;bundle exec vim README.rdoc"
tmux new-window -t $SESSION:2 -n test      "cd $APPDIR;bundle exec guard"
tmux new-window -t $SESSION:3 -n console   "cd $APPDIR;bundle exec rails c"
tmux new-window -t $SESSION:4 -n database  "cd $APPDIR;bundle exec rails db"
tmux new-window -t $SESSION:5 -n shell     "cd $APPDIR;zsh"

tmux attach -t $SESSION
exit