tmux + iterm2 Create or Resume Session based on project dir

.sh

#!/bin/bash
# tmux-session
# 
# Author: Dave Hulihan
# Description: Create/attach tmux session based on project directory. Works in bash, zsh.
# 
function tmux-session {
	SESSION_NAME=$(basename $PWD)

	# set iterm2 title
	iterm-tab-title $SESSION_NAME

	# set iterm2 color
	iterm-tab-color green

	# attempt to attach to
	tmux a -t $SESSION_NAME

	if [[ $? -ne 0 ]] ; then
		tmux new -s $SESSION_NAME -d

		# create windows (one for git, one for your editor, one for builds/runtime)
    DEFAULT_EDITOR=vim
    EDITOR=${EDITOR:-$DEFAULT_EDITOR}
		tmux new-window -t $SESSION_NAME -n $EDITOR
		tmux new-window -t $SESSION_NAME -n zsh

		# open vim on second window
		tmux send-keys -t $SESSION_NAME:2 "$EDITOR" C-m
		tmux select-window -t $SESSION_NAME:2

		tmux a -t $SESSION_NAME
	fi
}

function iterm-tab-title {
	echo -ne "\033]0;"$1"\007"
}

function iterm-tab-color {
    case $1 in
    green)
    echo -e "\033]6;1;bg;red;brightness;0\a"
    echo -e "\033]6;1;bg;green;brightness;128\a"
    echo -e "\033]6;1;bg;blue;brightness;0\a"
    ;;
    red)
    echo -e "\033]6;1;bg;red;brightness;270\a"
    echo -e "\033]6;1;bg;green;brightness;60\a"
    echo -e "\033]6;1;bg;blue;brightness;83\a"
    ;;
    orange)
    echo -e "\033]6;1;bg;red;brightness;227\a"
    echo -e "\033]6;1;bg;green;brightness;143\a"
    echo -e "\033]6;1;bg;blue;brightness;10\a"
    ;;
    blue)
    echo -e "\033]6;1;bg;red;brightness;16\a"
    echo -e "\033]6;1;bg;green;brightness;221\a"
    echo -e "\033]6;1;bg;blue;brightness;255\a"
    ;;
    esac
 }