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Bumps [rack]( from 2.0.8 to 2.2.3.
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Real Vim ninjas count every keystroke - do you? Head on over to, pick a challenge, and show us what you've got!

  • Each challenge provides an input file, and an output file
  • Your goal is to modify the input file such that it matches the output
  • Once you install the vimgolf CLI, pick a challenge, open a prompt and put away!

When you launch a challenge from the command line, it will be downloaded from the site and a local Vim session will be launched, which will log every keystroke you make. Once you're done, simply :wq (write and quit) the session and we will score your input and upload it back to the site!

Setup & Play

$> gem install vimgolf

(Go to, sign in, and grab your API key)
$> vimgolf setup

(Pick a challenge on
$> vimgolf put [challenge ID]

Playing from other editors


There's a lightly maintained interface to play VimGolf challenges in Emacs over at vimgolf.el web app

# start local server
$> bundle exec unicorn -c config/unicorn.rb -E development

# deploy to Heroku
$> git push heroku web:master

Run tests

Go to the root folder and run bundle exec rake.

How to contribute

This part is for people not familliar with ruby ecosystem


You need :

  • ruby
  • gem bundler
  • mongodb
  • Seed database


You need a ruby version, same as .ruby-version

I recommend using rbenv, see to install and manage ruby version.

rbenv install


Bundler is a gem that aim to manage gem per project.

gem install bundler

Then you need all gems for the apps

bundle install


It is possible to get a fully functionnal mongodb instance through docker.

docker pull mongo

# Database will stay here. So we can stop/delete docker instance
sudo mkdir -p /opt/mongodb/db

# Start container
docker run -p 27017:27017 -v /opt/mongodb/db:/data/db --name my-mongo-dev -d mongo mongod --auth

# connect to database
docker exec -it my-mongo-dev mongo

# create admin user
use admin
  user: "userAdmin",
  pwd: "password",
  roles: [{role: "userAdminAnyDatabase", db: "admin"}]
# exit

# connect to database
docker exec -it my-mongo-dev mongo -u userAdmin -p password --authenticationDatabase admin

# create vimgolf_development user
use vimgolf_development
  user: "vimgolf_development",
  pwd: "vimgolf_development",
  roles: ["dbOwner"]

# create vimgolf_test user
use vimgolf_test
  user: "vimgolf_test",
  pwd: "vimgolf_test",
  roles: ["dbOwner"]
# exit

# test connection
docker exec -it my-mongo-dev mongo -u vimgolf_development -p vimgolf_development --authenticationDatabase vimgolf_development
# we are connected, we can exit

Seed database

Read db/seeds.rb to understand params

# make the index page works - create collection "challenges"
bundle exec rake db:drop db:setup

# or add many challenges users and entries
bundle exec rake db:drop db:setup challenges=40 users=30 entries=20

Run the app

Start mongo-db this way if you are using the docker installation :

docker run -p 27017:27017 -v /opt/mongodb/db:/data/db --name my-mongo-dev -d mongo mongod --auth
# if you see:
# docker: Error response from daemon: Conflict. The container name "/my-mongo-dev" is already in use by container "a9
# then you have to remove the container
docker rm my-mongo-dev

Start the server

bundle exec unicorn -c config/unicorn.rb -E development

open your browser to http://localhost:8080/

If you need more logs, you can

docker logs -f my-mongo-dev
tail -f log/development.log

To see mongodb query :

# log to database
docker exec -it mongo-3.6 mongo -u vimgolf_development -p vimgolf_development --authenticationDatabase vimgolf_development

# Change profile level

# Call this after any query to get the last query


Cannot sign in with twitter

When click on 'sign in with twitter' and you get

401 Authorization Required

As a workaround, you can edit

# in app/controllers/application_controller.rb
# replace
    @current_user ||= User.where(uid: session[:user]).first if session[:user]
# with
    @current_user ||= User.first

Cannot run tests

If you installed mongodb through this tutorial, you created a database 'vimgolf_test' with user and password set to 'vimgolf_test'. You need to update config/mongoid.yml with the credentials :

        user: 'vimgolf_test'
        password: 'vimgolf_test'

Find documentation

It use gem mongoid which is a wrapper for the mongo driver

Mongodb ruby driver :


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