I started using the Zsh a few years ago and I’ve liked its completion features. I tried out Oh-my-zsh for a while and I liked the stock Robby Russel prompt. It gave me all the information I cared about: the status of the last command, current directory, and the state of the current Git repository. However, I didn’t like how slow Oh-my-zsh was making my shell startup. This mattered especially, I think, because my Emacs config would fire up a shell on startup to read the ENV so it could con...