Repoman

This is a GitHub client library with a focus on performing bulk operations across several repos. The aim is to expose multi file commits purely via the Github Data API to remove the need to clone repositories to disk for bulk operations.

Example Use Cases

Some example use cases which this library can be used for are:

• Updating the version of some dependency (package.json, pom.xml, build.gradle) across several repos.
• Adding a .gitignore file to multiple repos
• Removing unused files across several repos
• Updating broken links in MarkDown files across several repos

In general, it enables you to quickly set up a multi-repo automation which makes file modifications, issues a PR, merges and deletes the branch -- all without cloning a single file to disk.

Feature Highlights

• a high level API for making multi-file commits
• output a diff of file changes from a commit
• do a dry run of changes to a repo with a diff output of potential changes
• create and merge pull requests
• use glob patterns to modify files in a git repo
• make changes to files without local clone
• delete branches
• load a list of repositories from a YAML file
• get a list of repositories matching a GitHub Code Search
• get a list of repositories filtered by attributes such as language, star count, etc.
• save a list of repositories to a YAML file

Docs

For details on usage and examples visit the docs page: Documentation

Installation

$ npm i @ukayani/repoman --save

Sample Code

Below is an automation which reads a list of repos from a file and then removes all Maven Wrapper files from them. It then creates a PR for each change and optionally merges the PR.

import { Config, GitHub } from "@ukayani/repoman";

async function main() {
  const github = await GitHub.init();
  const config = await Config.load("services.yaml");
  const repos = await github.getRepositories(config.repos);
  const automerge = false;

  for (const repo of repos) {
    const result = await repo
      .checkout("maven-wrapper-removal")
      .deleteFile(".mvn")
      .deleteFile("mvnw")
      .deleteFile("mvnw.cmd")
      .commit("Remove maven wrapper");
    console.log(`Changes for ${repo.name}`);
    console.log(result.changelog());

    if (result.hasChanges()) {
      const pr = await repo.createPullRequest(
        result.branch,
        "PR Title",
        "body",
        ["ukayani"]
      );
      if (automerge) {
        await repo.mergePullRequest(pr);
      }
      console.log(pr);
    }
  }
}

main().catch(console.error);