With the latest MacOS release, Catalina, the default operating shell was switched from bash
to zsh
. This was announced pretty early on, so it wasn't a surprise and I had "Learn ZSH" on my to do list for quite some time but now that I have updated my machines, it reminds you that you need to switch to zsh. And while it is possible to hide that message, this is as good opportunity as ever to make the switch.
There are several frameworks that make it easy to switch as well. The most popular of them is Robby Russell's Oh My Zsh. It seems easy to install and but at first glance, it doesn't have the customization and control I want. I instead chose to try Antigen first. It is similar to a Vim framework called Vundle in philosophy and even allows you to build off OMZ. Antigen is a package manager for zsh
and keeps its plugins in what it calls "bundles".
Setting up Antigen took less than 10 minutes. I first installed all of the requirements:
$ brew install zsh
$ brew install antigen
and then I copied the the .zshrc
example from the website:
source $(brew --prefix)/share/antigen/antigen.zsh
antigen use oh-my-zsh
antigen bundle git
# Syntax highlighting bundle.
antigen bundle zsh-users/zsh-syntax-highlighting
# Fish-like auto suggestions
antigen bundle zsh-users/zsh-autosuggestions
# Extra zsh completions
antigen bundle zsh-users/zsh-completions
# Load the theme
antigen theme robbyrussell
antigen apply
This does several things. The first two lines start antigen and set it up with a default set of configurations. Then, I add several bundles to add functionality to the shell. These often come in the form of auto-completion or set up commands that are typically in a .bash_profile
or .bashrc
file. Lastly, I chose a built-in theme and told antigen
to apply those changes. When a session is started, it will install those bundles and themes, if they are not already installed, and then sets up the session.
Now you can just start a zsh
session by running
$ zsh
This won't switch your shell permanently, it just starts a new session over your current session. This is nice because it allows you to add or remove things to your .zshrc
file before entering entering the command that Apple gives to switch your shell over permanently.
That is just a basic zsh configuration. The next step is to move over the rest of my current bash shell functionality. My current set up is not too complex, so there are probably plugins or themes that have what I want out of the box.
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