Do not start session twice

diff --git a/bin/bin/start-im b/bin/bin/start-im
index 2e1a39a8ca0a0e329185dcd7514943c78aecf69f..98e1ad3d9cb5712b4e34229dfa496a0eb3fa6862 100755 (executable)
--- a/bin/bin/start-im
+++ b/bin/bin/start-im
@@ -2,6 +2,7 @@
 
 . $HOME/bin/tmux-common.sh
 
+$TMUX has-session -t im && exit
 $TMUX new-session -d -s im
 $TMUX rename-window -t im:1 "mattermost"
 $TMUX split-window -t im:1