[[ -o interactive ]] || return 91
[[ -z "$ITERM_SHELL_INTEGRATION_INSTALLED" ]] || return 91
[[ "${ITERM_ENABLE_SHELL_INTEGRATION_WITH_TMUX-}$TERM" =~ "^screen" ]] && return 91
+[[ "${ITERM_ENABLE_SHELL_INTEGRATION_WITH_TMUX-}$TERM" =~ "^tmux" ]] && return 91
# Add iTerm2 commands to PATH, when available.
[[ -d ~/.iterm2 ]] && path+=(~/.iterm2)