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Releasing

This describes for the maintainers of RGBDS how to publish a new release on GitHub.

  1. Update the following files, then commit and push. You can use git commit -m "Release <version>" and git push origin master.

    • include/version.hpp: set appropriate values for PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCH, and PACKAGE_VERSION_RC Only define PACKAGE_VERSION_RC if you are publishing a release candidate!
    • Dockerfile: update ARG version.
    • test/fetch-test-deps.sh: update test dependency commits (preferably, use the latest available).
    • man/*: update dates and authors.

  2. Create a Git tag formatted as v<MAJOR>.<MINOR>.<PATCH>, or v<MAJOR>.<MINOR>.<PATCH>-rc<RC> for a release candidate. MAJOR, MINOR, PATCH, and RC should match their values from include/version.hpp. You can use git tag <tag>.

  3. Push the tag to GitHub. You can use git push origin <tag>.

    GitHub Actions will run the create-release-artifacts.yaml workflow to detect the tag starting with "v[0-9]" and automatically do the following:

    1. Build 32-bit and 64-bit RGBDS binaries for Windows with cmake.

    2. Package the binaries into zip files.

    3. Package the source code into a tar.gz file with make dist.

    4. Create a draft GitHub release for the tag, attaching the three packaged files. It will be a prerelease if the tag contains "-rc".

      If an error occurred in the above steps, delete the tag and restart the procedure. You can use git push --delete origin <tag> and git tag --delete <tag>.

  4. GitHub Actions will run the create-release-docs.yml workflow to add the release documentation to rgbds-www.

    This is not done automatically for prereleases, since we do not normally publish documentation for them. If you want to manually publish prerelease documentation, such as for an April Fools joke prerelease,

    1. Clone rgbds-www. You can use git clone https://github.com/gbdev/rgbds-www.git.

    2. Make sure that you have installed groff and mandoc. You will need mandoc 1.14.5 or later to support -O toc.

    3. Inside of the man directory, run <path/to/rgbds-www>/maintainer/man_to_html.sh <tag> * then <path/to/rgbds-www>/maintainer/new_release.sh <tag>. This will render the RGBDS documentation as HTML and PDF and copy it to rgbds-www.

      If you do not have groff installed, you can change groff -Tpdf -mdoc -wall to mandoc -Tpdf -I os=Linux in .github/actions/get-pages.sh and it will suffice.

    4. Commit and push the documentation. You can use git commit -m "Create RGBDS <tag> documentation" and git push origin master (within the rgbds-www directory, not RGBDS).

  5. Write a changelog in the GitHub draft release.

  6. Click the "Publish release" button to publish it!

  7. Update the release branch. You can use git push origin release.