.tmux.conf

# Set Ctrl-a as control instead of ctrl-b
unbind C-b
set -g prefix C-a
bind C-a send-prefix

# Nested Multiplexers
bind-key a send-prefix

# Switch to last window with two C-a
bind-key C-a last-window

# Start numbering at 1
set -g base-index 1

# Highlight active window
set-window-option -g window-status-current-bg white
set-window-option -g window-status-current-fg red

# Faster commands
#set -s escape-time 0

# Resize to smallest client, but per window and not per session
setw -g aggressive-resize on

#set -g default-terminal "screen-256color" 

# Big scrollback
set -g history-limit 10000

# Red status line, because you are on the live server!
set status-utf8 on
set -g utf8 on
set -g default-terminal "screen-256color"
set -g status-bg red
set -g status-fg white

# Load in status line
set -g status-right "#[fg=black]#(uptime | cut -d ',' -f 4-)"

# Select window with mouse click
#set -g mode-mouse on
#set -g mouse-select-window on
#set -g mouse-select-pane on

# Activity monitoring
#setw -g monitor-activity on
#set -g visual-activity on

# Ctrl+Arrows skip words
set-window-option -g xterm-keys on

# VI keybindings
set -g status-keys vi
setw -g mode-keys vi

tmx_clean.sh

#!/bin/bash

#
# Modified TMUX start script from:
#     http://forums.gentoo.org/viewtopic-t-836006-start-0.html
#
# Store it to `~/bin/tmx` and issue `chmod +x`.
#

# Works because bash automatically trims by assigning to variables and by 
# passing arguments
trim() { echo $1; }

if [[ -z "$1" ]]; then
    echo "Specify session name as the first argument"
    exit
fi

# Only because I often issue `ls` to this script by accident
if [[ "$1" == "ls" ]]; then
    tmux ls
    exit
fi

base_session="$1"
# This actually works without the trim() on all systems except OSX
tmux_nb=$(trim `tmux ls | grep "^$base_session" | wc -l`)
if [[ "$tmux_nb" == "0" ]]; then
    echo "Launching tmux base session $base_session ..."
    tmux new-session -s $base_session
else
    # Make sure we are not already in a tmux session
    if [[ -z "$TMUX" ]]; then
        # Kill defunct sessions first
        old_sessions=$(tmux ls 2>/dev/null | egrep "^[0-9]{14}.*[0-9]+\)$" | cut -f 1 -d:)
        for old_session_id in $old_sessions; do
            tmux kill-session -t $old_session_id
        done

        echo "Launching copy of base session $base_session ..."
        # Session is is date and time to prevent conflict
        session_id=`date +%Y%m%d%H%M%S`
        # Create a new session (without attaching it) and link to base session 
        # to share windows
        tmux new-session -d -t $base_session -s $session_id
        # Create a new window in that session
        #tmux new-window
        # Attach to the new session
        tmux attach-session -t $session_id
        # When we detach from it, kill the session
        tmux kill-session -t $session_id
    fi
fi