git-secret/CONTRIBUTING.md

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# Contributing
Your contributions are always welcome!
## Process
### Environment
Before starting make sure you have:
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- git
- bash
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- bundler
- docker
- gawk
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- gnupg (or gnupg2)
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- ruby
- sha256sum
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- [shellcheck](https://github.com/koalaman/shellcheck)
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- test-kitchen
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Only required if dealing with manuals, `gh-pages` or releases:
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- ruby, ruby-dev
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### Getting started
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1. Create your own or pick an opened issue from the [tracker][tracker]. Take a look at the [`help-wanted` tag][help-wanted]
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2. Fork and clone your repository: `git clone https://github.com/${YOUR_NAME}/git-secret.git`
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3. Make sure that everything works on the current platform by running `make test`
4. [Run local CI tests](#running-local-ci-tests) to verify functionality on supported platforms `bundle exec kitchen verify --test-base-path="$PWD/.ci/integration"`.
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### Development Process
1. Firstly, you will need to setup development hooks with `make install-hooks`
2. Make changes to the files that need to be changed
3. When making changes to any files inside `src/` you will need to rebuild the binary `git-secret` with `make clean && make build` command
4. Run [`shellcheck`][shellcheck] against all your changes with `make lint`
5. Now, add all your files to the commit with `git add --all` and commit changes with `git commit`, make sure you write a good message, which will explain your work
6. When running `git commit` the tests will run automatically, your commit will be canceled if they fail
7. Push to your repository, make a pull-request against `develop` branch. Please, make sure you have **one** commit per pull-request, it will be merge into one anyways
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### Branches
We have three long-live branches: `master`, `develop` and `gh-pages` for static site.
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It basically looks like that:
> `your-branch` -> `develop` -> `master`
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- `master` branch is protected. So only fully tested code goes there. It is also used to create a new `git` tag and a `github` release
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- `develop` is where the development is done and the branch you should send your pull-requests to
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### Continuous integration
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Local CI is done with the help [`test-kitchen`](http://kitchen.ci/). `test-kitchen` handles multiple test-suites on various platforms.
`bundle exec kitchen list` will output the list of test suites to be run aginst supported platforms.
Cloud CI is done with the help of `travis`. `travis` handles multiple environments:
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- `Docker`-based jobs or so-called 'integration tests', these tests create a local release, install it with the package manager and then run unit-tests and system checks
- `OSX` jobs, which handle basic unit-tests on `OSX`
- Native `travis` jobs, which handle basic unit-tests and stylechecks
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### Running local ci-tests
1. Install requied gems with `bundle install`.
2. Run ci-tests with `bundle exec kitchen verify --test-base-path="$PWD/.ci/integration"`
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### Release process
The release process is defined in the `git`-hooks and `.travis.yml`.
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When creating a commit inside the `master` branch (it is usually a documentation and changelog update with the version bump inside `src/version.sh`) it will trigger two main events.
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Firstly, new manuals will be created and added to the current commit with `make build-man` on `pre-commit` hook.
Secondly, after the commit is successfully created it will also trigger `make build-gh-pages` target on `post-commit` hook, which will push new manuals to the [git-secret site][git-secret-site]. And the new `git` tag will be automatically created if the version is changed:
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```bash
if [[ "$NEWEST_TAG" != "v${SCRIPT_VERSION}" ]]; then
git tag -a "v${SCRIPT_VERSION}" -m "version $SCRIPT_VERSION"
fi
```
#### Travis releases
When creating a commit inside `master` branch, `travis` on successful build will publish new `deb` and `rpm` packages to [`bintray`][bintray].
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If you wish to override a previous release (*be careful*) you will need to add `"override": 1` into `matrixParams`, see `deb-deploy.sh` and `rpm-deploy.sh`
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#### Manual releases
Releases to `brew` are made manually.
#### Dockerhub releases
[`Dockerhub`][Dockerhub] contains `Docker` images with different OS'es used for testing. It is updated via a `github` webhook on commit into `master`.
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[tracker]: https://github.com/sobolevn/git-secret/issues
[help-wanted]: https://github.com/sobolevn/git-secret/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22
[shellcheck]: https://github.com/koalaman/shellcheck
[git-secret-site]: http://git-secret.io
[bintray]: https://bintray.com/sobolevn
[Dockerhub]: https://hub.docker.com/r/sobolevn/git-secret/