Merico Dev Build Save

Merico Build is a web app empowering open source developers, maintainers, and communities with metrics from Git, GitHub, and more.

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Merico Build is a web app empowering open source developers, maintainers, and communities with metrics from Git, GitHub, and more. The application uses novel static analysis to more accurately measure the value and impact of code contribution.

  • For maintainers, Merico Build renders these metrics to track community growth and to identify rising star contributors.
  • For developers, Merico Build automatically showcases your contributions in an evolving and sharable profile.

Why Merico Build?

  1. Code contribution is analyzed with more perceptive static code analysis, including ELOC, an enhanced noise-proof metric drastically improving upon Lines of Code (LOC.)
  2. Multidimensional signals extracted directly from the code, accounting for volume, dependencies, redundancy, test coverage, comment coverage, and more.
  3. Contributions get translated into badges. Share badges and celebrate accomplishments with proof.

We invite you to join us to improve the transparency, health, and sustainability of open source. Merico began as research in UC Berkeley's computer science department, we are excited to welcome contributors from around the world to join us in advancing this technology to empower developers everywhere to build better!

To use the app, go to https://merico.build/. To contribute, scroll down for instructions to set up for development.

If you have a feature request, feel free to create an issue in this repo or join us on Discord!

Summary


Requirements

Postgres 12.5 https://www.postgresql.org/download/

NodeJS 14.x https://nodejs.org/


Installation

To get the entire Merico Build application running on your computer, you'll need to clone and configure two different repositories: build-backend and build-frontend.


Installing build-frontend

Clone

Clone the repo

git clone https://github.com/merico-dev/build-frontend.git

Install dependencies

npm i

Installing build-backend

Clone

Clone the repo

git clone https://github.com/merico-dev/build-backend.git

Install dependencies

npm i

Initialize the submodule.

git submodule init
git submodule update

Install common-backend dependencies.

cd common-backend
npm i

Create the config file

Rename config/local.example.js to config/local.js

Set up the DB

Requirement: Postgres 12.5

  1. Create the DB
psql postgres -c "CREATE DATABASE your_db_name"
psql postgres -c "CREATE SCHEMA your_db_name"
psql postgres -c "CREATE USER merico PASSWORD 'merico'"
psql postgres -c "ALTER USER merico WITH SUPERUSER"
psql postgres -c "GRANT ALL ON ALL TABLES IN SCHEMA your_db_name to merico"
psql postgres -c "GRANT ALL ON ALL TABLES IN SCHEMA public to merico"
psql postgres -c "GRANT ALL ON SCHEMA your_db_name to merico"
  1. Rename or copy /config/database.example.json to /config/database.json

  2. Update the development config object in database.json:

{
  "development": {
    "user": "merico",
    "host": "localhost",
    "database": "your_db_name",
    "password": "merico",
    "port": 5432,
    "dialect": "postgres"
  },
  ...
}
  1. Create the tables
psql -f db/schema-only.sql -d your_db_name -U merico
psql -f db/badge-types.sql -d your_db_name -U merico
psql -f db/refresh-views.sql -d your_db_name -U merico

Configuration

build-backend requires a good deal of configuration. Most of it is required to make it work. For this section you'll be editing config/local.js.

Please note, the Analytics Engine, RabbitMQ, and Minio are all shared resources for our open source developers. As such, you may receive other contributors' RabbitMQ messages. We are working towards making the Analytics Engine open source, but in the meantime we are offering this shared service.


GitHub Auth

Merico Build uses GitHub for Oauth and for access to the the user's public repo data.

  1. Create a GitHub OAuth app with the following settings:
Property Value
Application name your-github-username-merico
Homepage URL http://localhost:1337/
Authorization callback URL http://localhost:1337/auth/github/callback
  1. Once your app is created, on the Settings page for your GitHub app, Generate a new client secret.

  2. Copy and paste your GitHub OAuth App Client ID and Client Secret to the githubAuth config object in config/local.js.

GitLab Auth

  1. As a logged-in Gitlab user, go to Preferences > Applications.
  2. Create a new application.
  3. Name it whatever you like.
  4. Check the read_api and read_user permissions.
  5. Set the Redirect URI to http://localhost:1337/auth/gitlab/callback
  6. Save the Application Id and Secret and paste them into the gitlabAuth config object in config/local.js

Analytics Engine

Merico Build uses GRPC to execute functions on the Analytics Engine (AE). Merico will soon be making AE open source. Keep your eye out for it!

Update CA_GRPC_SERVER config value in config/local.js to the following:

'52.41.108.240:30006'


Minio

Merico Build uses Minio to store the protobuf files created by the Analytics Engine. The common-backend submodule reads these protobuf files and enters the data in the Build DB.

Update the minio config object in config/local.js to the following:

minio: {
  endPoint: '52.41.108.240',
  port: 30003,
  useSSL: false,
  accessKey: 'GmXnuzA3a27uO8RU',
  secretKey: 'ahx57GhFwZhEBlNENkz0TgVn',
  bucketAE: 'merico-analysis'
},

RabbitMQ

Build uses RabbitMQ to receive messages from the Analytics Engine about report progress and completion.

Update the RABBIT_MQ_URL config value in config/local.js to the following:

'amqp://rabbitmq:[email protected]:30001/rabbitmq'


AWS S3

You'll need an AWS account for this. If you don't already have one, sign up for a free AWS account.

  1. Create a bucket. Use the following access settings:
  1. Create a folder called badges within the new bucket.
  2. Use an existing IAM user, or create a new one, and give them at least the S3 permission to putObject (for testing purposes you can just give them full S3 access if you like). Copy their Access Key and Secret Access Key.
  3. Update the AWS_S3 settings in config/local.js with the newly created bucket name, Access Key, Secret Access Key, and Region.

AWS SES

*Merico Build can function without SES. It will fail to send emails, but the app can handle these errors. If you do want to get email sending functionality working, follow these steps:

You'll need an AWS account for this. If you don't already have one, sign up for a free AWS account.

  1. Go to the AWS Simple Email Service console.
  2. Verify your email domain.
  3. Once your domain is verified, click on SMTP Settings.
  4. Click on Create my SMTP Credentials
  5. Copy the Access Key and Secret Access Key
  6. Paste them in the SES section of config/local.js

Encryption Key

Update the ENCRYPTION_KEY config value in config/local.js to a random string of your choosing. We use this for various encryption functions.

Usage

build-backend

npm run dev

build-frontend

npm run dev

After you've started the frontend app and the code has compiled, you should be able to visit http://localhost:3000/ and see the Merico Build homepage.

Sign up with your GitHub account, authorize the app, and submit a repository for analysis.

Note: it's best to stick with smaller repositories for now. We do limit analysis to the latest 2,500 commits, but even still, a really large repo (e.g. Django) can take up to a day to process. Try to limit your analyses to repos with under 5,000 commits.


Screenshots

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Contributing

We welcome and appreciate contributions. Feel free to find your own way and put up a pull request, or join us on our discord and we can help.


License

Build is Apache 2.0 licensed

Open Source Agenda is not affiliated with "Merico Dev Build" Project. README Source: merico-dev/build
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