feat(zsh): add tmux_attach function and alias to t

zsh/aliases.zsh

@@ -1,5 +1,5 @@
 alias z="exec zsh"
-alias t="tmux a || ~/.config/tmux/tmux-sessionizer ~"
+alias t=tmux_attach
 alias n=nvim_ve
 # alias vim=nvim_ve
 alias s="ssh-menu"

zsh/scripts.zsh

@@ -79,3 +79,19 @@ function tssh {
     ssh -t "$@" "command -v tmux && (tmux a || tmux new-session -s gorazd -c ~) || bash"
 }
 
+
+function tmux_attach {
+    tmux_running=$(pgrep tmux)
+
+    if ! [[ -z ${TMUX} ]]; then
+        echo "already attached; refreshing env"
+        source <(tmux show-environment | sed -n 's/^\(.*\)=\(.*\)$/export \1="\2"/p')
+        return 1
+    fi
+
+    if [[ -z $tmux_running ]]; then
+        ~/.config/tmux/tmux-sessionizer ~
+    else
+        tmux a
+    fi
+}