**Is your feature request related to a problem? Please describe.** ```Shell $git difftool --tool=gitui Viewing (1/2): ... Launch 'gitui' [Y/n]? Y Unknown merge tool gitui ``` **Describe the solution you'd like** A shortcut(?) of gitui-status[1], then we can alias this like `guid` or some things. **Describe alternatives you've considered** ``` gitui --status gitui -d ``` **Additional context** Just COOL!