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GitHub WebHook for Git subsplits managed by dflydev-git-subsplit.
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README.md

Git Subsplit GitHub WebHook

GitHub WebHook for Git subsplits managed by git-subsplit.

Automates the process of keeping one-way read-only subtree splits up to date with the source repository.

The WebHook works in two parts, a web listener and a worker. The web listener adds requests to Redis and the worker processes the requests.

The worker will interact with the system's git as the user running the worker. This means that the user running the worker should have its key added to the appropriate GitHub accounts.

During testing it would make sense to run the worker manually. For production deployments it would probably make more sense to runt he worker using something along the lines of upstart or supervisor.

Usage

git-subsplit

Ensure that git-subsplit is installed correctly. If is not available in your version of git (likely true for versions older than 1.7.11) please install it manually from here.

You should initialize subsplit with a git repository:

cd /home/myuser
git subsplit init git@github.com:orga/repo.git

It will create a .subsplit working directory that you will use later.

Installation

git clone git@github.com:dflydev/dflydev-git-subsplit-github-webhook.git
mv dflydev-git-subsplit-github-webhook/ webhook/
cd webhook
composer install

N.B. If you need composer : https://getcomposer.org/download/

Redis

Ensure that the Redis server is running.

Configure

Copy config.json.dist to config.json and edit it accordingly. Please make sure to pay special attention to setting working-directory correctly. Don't forget to change the webhook-secret to secure your webhook.

Web Server

Setup a virtual host pointing to web/ as its docroot. Assuming the virtual host is webhook.example.com, test the WebHook by visiting the following URL: http://webhook.example.com/subsplit-webhook.php

Worker

Start the worker by running php bin/subsplit-worker.php.

GitHub

From your repository go to Settings / Service Hooks / WebHook URLs. Enter the URL to your WebHook and your secret. Then click Update Settings.

Click WebHook URLs again and click Test Hook.

If everything is setup correctly the Worker should give you some sort of feedback.

Configuration

Example

{
    "working-directory": "/home/myuser/.subsplit",
    "webhook-secret": "ThisTokenIsNotSoSecretChangeIt",
    "projects": {
        "project-1": {
            "url": "git@github.com:orga/private-repo.git",
            "splits": [
                "src/public:git@github.com:orga/public-repo.git"
            ]
        }
    }
}

Schema

working-directory

String. Default: None. Required.

The directory in which the subsplits will be processed. This is more or less a temporary directory in which all projects will have their subsplit initialized.

webhook-secret

String. Default: "ThisTokenIsNotSoSecretChangeIt". Required.

This is a secret string that should be unique to your webhook. It's used to secure communication between the webhook and github. You can use a secret generator if you want a strong string.

projects

Object. Required.

An object whose keys are project names and values are a project description object.

Project names should only contain a-z, A-Z, 0-9, ., _, and -.

Each project description object can have the following properties:

  • url: The URL for the project. The WebHook will check each incoming request's url property against each project's listed url property to determine which project the request is for.

    This URL should be like: git@github.com:orga/repo.git

  • repository-url: The URL that git will use to check out the project. This setting is optional. If it is not defined the repository URL will be read from the incoming request.

  • splits: An array of subsplit definitions as defined by git-subsplit. The pattern for the splits is ${subPath}:${url}.

License

MIT, see LICENSE.

Community

If you have questions or want to help out, join us in the #dflydev channel on irc.freenode.net.

Not Invented Here

This project is based heavily on work originally done by igorw. Thanks Igor. :)

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