#!/bin/bash
# ~/.bashrc.d/screen
# 2009-12-21
# bpkroth
#
# Auto launch screen on SSH connections
# Sometimes a pain to deal with SSH screen sessions.
# Can be done with C-a a* though.
# Also a good idea to always use a hardstatus or caption line in .screenrc

if [ $EUID != 0 ] && [[ $TERM != screen* ]] && bin_in_path screen; then
	if [ -n "$LC_CSSH" ]; then
		# This special variable was set to denote this
		# connection as a member of a CSSH session.  Use the
		# value of the variable to select or create a screen
		# session with that name.
		if screen -list | grep "[0-9]\+\.$LC_CSSH[ ]*" > /dev/null; then
			screen -x $LC_CSSH
		else
			screen -S $LC_CSSH
		fi
	elif [ -n "$SSH_TTY" ]; then
		# This is a remote session.
		# Connect to the singular screen instance if it is
		# available, else list if there are multiple, else
		# start a new one.
		N=`screen -list | grep -c '[0-9].*tached'`
		if [ $N == 1 ]; then
			screen -x
		elif [ $N == 0 ]; then
			#exec screen # no, i want to be able to detach
			screen
		else
			echo
			screen -list
		fi
	#else # local connection, don't open a screen session
	#	#exec screen
	#	screen
	fi
fi