потом сделаю целый манагер, но пока залью это, а то чёт теряется.

tmux-start

#!/bin/sh

session_name='project'
path=~/work/project
pg=project_db

set -euC
cd $path

att() {
    [ -n "${TMUX:-}" ] &&
        tmux switch-client -t $session_name ||
        tmux attach-session -t $session_name
}

if tmux has-session -t $session_name 2> /dev/null; then
    att
    exit 0

fi

tmux new-session -d -s $session_name

tmux rename-window -t $session_name":1" shell
tmux send-keys -t $session_name":shell" 'source $(poetry env info --path)/bin/activate' Enter
tmux send-keys -t $session_name":shell" 'clear' Enter
tmux send-keys -t $session_name":shell" 'ipython3' Enter
tmux split-window -t $session_name":shell"
tmux send-keys -t $session_name":shell" 'clear' Enter
tmux send-keys -t $session_name":shell" 'figlet '$session_name'| lolcat' Enter

tmux new-window -d -t $session_name -c $path -n editor
tmux send-keys -t $session_name":editor" 'source $(poetry env info --path)/bin/activate' Enter
tmux send-keys -t $session_name":editor" 'source venv/bin/activate' Enter
tmux send-keys -t $session_name":editor" 'source env/bin/activate' Enter
tmux send-keys -t $session_name":editor" 'clear' Enter
tmux send-keys -t $session_name":editor" 'nvim' Enter

tmux new-window -d -t $session_name -c $path -n db
tmux send-keys -t $session_name":db" 'source $(poetry env info --path)/bin/activate' Enter
tmux send-keys -t $session_name":db" 'source venv/bin/activate' Enter
tmux send-keys -t $session_name":db" 'source env/bin/activate' Enter
tmux send-keys -t $session_name":db" 'clear' Enter
tmux send-keys -t $session_name":db" 'pgcli ' $pg Enter

tmux select-window -t editor

att