Setting up Emacs for Clojure Programming Within Seconds

Photo by Fernando Hernandez on Unsplash

This is a short note how you can set up your Emacs editor for programming in Clojure within seconds.

The settings are explained in the Brave Clojure tutorial.

I personally in my Ubuntu Linux home folder created a folder named emacs to put there all kind of settings for my emacs. Here, I create a folder for clojurein this folder and enter:

$ mkdir -p ~/emacs/clojure
$ cd ~/emacs/clojure

Then, I git clone a folder containing the init.el file with all necessary settings for clojure programming by:

$ git clone https://github.com/flyingmachine/emacs-for-clojure

And now comes the step and knowledge which took most of the time to find it out:

Usually emacs people do something like

$ mv ~/.emacs.d ~/.emacs.d.orig
$ mv ~/some_settings_folder ~/.emacs.d

And later have to name the renamed folders back. This is quite error prone.

A better solution is to start your emacs by:

$ env HOME=$HOME/emacs/clojure/emacs-for-clojure emacs &

This defines the folder containing the init.el for emacs as $HOME for the command emacs &. The disadvantage however is, if you call system commands from within your script using absolute paths or paths requiring your actual $HOME.

The advantage however is that you don’t have to rename folders which can mess things up a lot.

Since I want to call emacs for ruby programming by the command cljem (for cljemacs), I add to my ~/.bashrc file:

alias cljemacs="env HOME=$HOME/emacs/clojure/emacs-for-clojure emacs &"
alias cljem="cljemacs"

And source the ~/.bashrc, and can call my emacs with ruby settings by:

$ cljem

In my particular case, since I have my emacs locally installed in a conda envrionment named emacs, I entered into my ~/.bashrc:

alias cljemacs="source activate emacs && env HOME=$HOME/emacs/clojure/emacs-for-clojure emacs &"
alias cljem="cljemacs"

This activates first the conda environment by source activate emacs (or conda activate emacs, before it calls emacs with the newly defined $HOME.

The init.el file of emacs-for-clojuretakes care of all necessary installations in emacs’ site.

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Code tweaker + Human Geneticist (Ph.D.) | Join medium by: https://gwang-jin-kim.medium.com/membership

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Gwang Jin Kim

Gwang Jin Kim

Code tweaker + Human Geneticist (Ph.D.) | Join medium by: https://gwang-jin-kim.medium.com/membership

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