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https://github.com/eskopp/github-to-gitlab

Sync GitHub branches with GitLab effortlessly using a custom GitHub Action, featuring seamless error handling and authentication support.
https://github.com/eskopp/github-to-gitlab

action bash git github gitlab gitops workflow

Last synced: about 1 month ago
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Sync GitHub branches with GitLab effortlessly using a custom GitHub Action, featuring seamless error handling and authentication support.

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[![Sync all branches to GitLab](https://github.com/eskopp/github-to-gitlab/actions/workflows/test.yml/badge.svg)](https://github.com/eskopp/github-to-gitlab/actions/workflows/test.yml)

# GitHub to GitLab Sync Action

This action is designed to automatically sync a GitHub repository to a GitLab repository. It ensures that any changes made to the GitHub repository are mirrored on GitLab, keeping both repositories in sync.

## Features

- Automatically syncs all branches and tags from GitHub to GitLab.
- Works with both public and private repositories.
- Supports authentication using GitHub and GitLab tokens.
- Optionally decodes Base64-encoded credentials and repository URLs for security.

## Inputs

| Input Name | Description | Required | Default |
| -------------- | -------------------------------------------------- | -------- | ------- |
| `git_username` | Git username to set up Git. | Yes | N/A |
| `git_email` | Git email to set up Git. | Yes | N/A |
| `gitlab_repo` | The GitLab repository URL where to sync. | Yes | N/A |
| `gitlab_token` | GitLab token for authentication. | Yes | N/A |
| `github_token` | GitHub token for authentication when cloning. | Yes | N/A |
| `base64` | Whether to decode username, email, and GitLab repo | No | `false` |

## Usage

To use this action, add the following to your GitHub Actions workflow file:

```yaml
name: Mirror GitHub to GitLab

on:
push:
branches:
- main # Adjust to the branches you want to sync

jobs:
sync:
runs-on: ubuntu-latest

steps:
- name: Checkout repository
uses: actions/checkout@v3

- name: Sync GitHub to GitLab
uses: eskopp/github-to-gitlab@v1
with:
git_username: ${{ secrets.GIT_USERNAME }}
git_email: ${{ secrets.GIT_EMAIL }}
gitlab_repo: ${{ secrets.GITLAB_REPO }}
gitlab_token: ${{ secrets.GITLAB_TOKEN }}
github_token: ${{ secrets.GITHUB_TOKEN }}
base64: "false" # Set to true if using Base64-encoded values
```

### Input Descriptions

- **git_username**: The username used for Git configuration (must be set correctly to push changes).
- **git_email**: The email address used for Git configuration.
- **gitlab_repo**: The URL of the GitLab repository where the GitHub repository will be mirrored.
- **gitlab_token**: The GitLab access token used to authenticate when pushing branches and tags to the GitLab repository.
- **github_token**: The GitHub access token used to authenticate when cloning the GitHub repository.
- **base64**: If set to `true`, this flag will decode `git_username`, `git_email`, and `gitlab_repo` from Base64 before using them.

## Example Setup

### Prerequisites

You will need to store your GitHub and GitLab tokens as secrets in your repository settings:

- `GIT_USERNAME`: Your Git username.
- `GIT_EMAIL`: Your Git email.
- `GITLAB_REPO`: The URL of the GitLab repository.
- `GITLAB_TOKEN`: The GitLab access token.
- `GITHUB_TOKEN`: The GitHub access token (this is usually provided by GitHub Actions itself).

### Example GitHub Workflow

```yaml
name: Mirror GitHub to GitLab

on:
push:
branches:
- main
- feature/* # Sync specific branches

jobs:
sync:
runs-on: ubuntu-latest

steps:
- name: Checkout repository
uses: actions/checkout@v3

- name: Sync GitHub to GitLab
uses: eskopp/github-to-gitlab@v1
with:
git_username: ${{ secrets.GIT_USERNAME }}
git_email: ${{ secrets.GIT_EMAIL }}
gitlab_repo: ${{ secrets.GITLAB_REPO }}
gitlab_token: ${{ secrets.GITLAB_TOKEN }}
github_token: ${{ secrets.GITHUB_TOKEN }}
base64: "false"
```

## License

This project is licensed under the MIT License. [MIT License](./LICENSE)