baffling tmux titles

gistfile1.sh

### ~/.tmux.conf ###
set-option -g default-command "tmux rename-window bash; reattach-to-user-namespace -l bash"

### ~/bin/tmux-project ###
#!/bin/bash

export SESSION=$(basename $PWD)

# set window title
echo -ne "\033]0;${SESSION}\007"

tmux new-session -s $SESSION \; source-file ~/.common-public/sh/.tmux-project.tmux

### ~/.common-public/sh/.tmux-project.tmux ###
unbind-key q
bind-key q send-keys -t lib ":Q" C-m \; kill-session

set-window-option -g automatic-rename off

rename-window git
send-keys "git status" C-m

new-window -n lib
send-keys "if [ -e .session.vim ]; then vim -S .session.vim; else vim; fi" C-m

new-window -n bash

select-window -t git