Adding support for iTerm2 tmux integration via option '-CC'

plugins/tmux/tmux.plugin.zsh

@@ -14,6 +14,8 @@ if which tmux &> /dev/null
 	[[ -n "$ZSH_TMUX_AUTOQUIT" ]] || ZSH_TMUX_AUTOQUIT=$ZSH_TMUX_AUTOSTART
 	# Set term to screen or screen-256color based on current terminal support
 	[[ -n "$ZSH_TMUX_FIXTERM" ]] || ZSH_TMUX_FIXTERM=true
+	# Set '-CC' option for iTerm2 tmux integration
+	[[ -n "$$ZSH_TMUX_ITERM2" ]] || ZSH_TMUX_ITERM2=false
 	# The TERM to use for non-256 color terminals.
 	# Tmux states this should be screen, but you may need to change it on
 	# systems without the proper terminfo
@@ -55,11 +57,11 @@ if which tmux &> /dev/null
 		# Try to connect to an existing session.
 		elif [[ "$ZSH_TMUX_AUTOCONNECT" == "true" ]]
 		then
-			\tmux attach || \tmux `[[ "$ZSH_TMUX_FIXTERM" == "true" ]] && echo '-f '$_ZSH_TMUX_FIXED_CONFIG`  new-session
+			\tmux `[[ "$ZSH_TMUX_ITERM2" == "true" ]] && echo '-CC '` attach || \tmux `[[ "$ZSH_TMUX_ITERM2" == "true" ]] && echo '-CC '` `[[ "$ZSH_TMUX_FIXTERM" == "true" ]] && echo '-f '$_ZSH_TMUX_FIXED_CONFIG` new-session
 			[[ "$ZSH_TMUX_AUTOQUIT" == "true" ]] && exit
 		# Just run tmux, fixing the TERM variable if requested.
 		else
-			\tmux `[[ "$ZSH_TMUX_FIXTERM" == "true" ]] && echo '-f '$_ZSH_TMUX_FIXED_CONFIG`
+			\tmux `[[ "$ZSH_TMUX_ITERM2" == "true" ]] && echo '-CC '` `[[ "$ZSH_TMUX_FIXTERM" == "true" ]] && echo '-f '$_ZSH_TMUX_FIXED_CONFIG`
 			[[ "$ZSH_TMUX_AUTOQUIT" == "true" ]] && exit
 		fi
 	}