tab completion for attaching to tmux sessions

ba.sh

# Tab completion for tmux sessions.
# Quickly open new tmux sessions in your projects dir.

# Setup:
# Source this code in your bash shell.
# Update the code_dir var with the root directory of your source code.

# Usage:

# Use the tab to open an existing session.
# $ tat [TAB]

# Arguments that are passed to tat will be used to create a new session.
# Tat will open a new tmux session and set the default path to the found dir. 
# $ tat payments
# $ pwd
# /code_dir/payments 

tat()
{
  local session_name="$1"
  tmux attach-session -t "$session_name"
  if [ $? -ne 0 ]; then
    local code_dir="/home/ryandotsmith/src"
    local list_of_dirs=( $(find "$code_dir" -name "$session_name" -type d ) )
    local first_found="${dirs[0]}"
    cd "$first_found"
    echo "tat() is creating new tmux session with name=$session_name"
    tmux new-session -d -s "$session_name"
    echo "tat() is setting default path with dir=$first_found"
    tmux set default-path "$first_found"
    tmux attach-session -t "$session_name"
  fi
}
_tat()
{
  COMPREPLY=()
  local session="${COMP_WORDS[COMP_CWORD]}"
  COMPREPLY=( $(compgen -W "$(tmux list-sessions 2>/dev/null | awk -F: '{ print $1 }')" -- "$session") )
}
complete -F _tat tat