The config file is only run when the server is started.
Your best bet is to put something in your .profile along the lines of:
if [ -n "$TMUX" ]; then
case "$(tmux showenv TERM 2>/dev/null)" in
*-256color)
export TERM=screen-256color
;;
*)
export TERM=screen
;;
esac
fi
On Thu, Aug 21, 2014 at 12:58:52AM +0800, Izumi Natsuka wrote:
> Hello,
>
> I'm trying to enable 256color support in tmux(v1.9a), I have put the
> following in my tmux.conf:
>
> > set -g update-environment 'DISPLAY SSH_ASKPASS SSH_AGENT_PID
> SSH_CONNECTION WINDOWID XAUTHORITY TERM'
> > if "[[ ${TERM} =~ 256color || ${TERM} == fbterm ]]" 'set -g
> default-terminal screen-256color'
> > set -g default-command "${SHELL}"
>
> It works fine, except when there is another session have created in a
> different terminal:
> 1. Ensure that there's no tmux session available, create a new tmux session
> on tty(I'm using agetty, so TERM=linux), in this tmux session, TERM=screen
> 2. Switch to another tty where Xfce is running on, run
> xfce4-terminal(TERM=xterm-256color) and create a new tmux session, in this
> tmux session, the TERM variable should be 'screen-256color', however it is
> 'screen'.
>
> Similarly, without creating first session on tty(agetty) but in
> xfce4-terminal, create second session on tty, both of the TERM variable in
> tmux session are 'screen-256color'
>
> Is it possible to fix this?
>
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