IT has been my SCM tool of choice for white a number of years. Along with it, VIM has always been my intermediate editor for doing commit messages, viewing diffs and resolving merge conflicts. Recently, I have made the switch to Neovim as modern replacement for VIM. The nice thing with vim is that it came with a number of handy aliases, such as vimdiff. Which was unfortunate, because I really liked VIM's diff support for GIT. I wanted to replicate that, but that would require some manual work on my part to get the two to play nice. Luckily, it isn't really that hard - turns out you can define any custom diff / merge tool for GIT. Here