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Release Information

Releases shall be tagged following semantic version guidelines found at:

The general release process will be one of two models:

  • Tag releases off of branch master.
  • Tag releases off of a release specific branch.
    • Release specific branch names can be for long-running major versions, IE 3.1, 3.2, 3.3, etc. and SHALL be named <major-version>.X.
    • Release specific branch names can be for long-running minor versions, IE 3.1.1, 3.1.2, etc. and SHALL be named <major-version>.<minor-version>.X.

Release candidates will be announced on the mailing list. When a RC has gone 1 week without new substantive changes, a release will be conducted. Substantive changes are generally not editorial in nature and they do not contain changes to the CI system. Substantive changes are changes to the man-pages, code or tests.

When a release is cut, the process is the same as a Release Candidate (RC), with the exception that it is not marked as "pre-release" on GitHub. The release notes should include everything from the last release to the latest release.

Updating the CHANGELOG for release candidates and final releases

When a first release candidate is cut, a new entry will be added to the CHANGELOG file. This entry will have the release candidate version and the date on which the release candidate was released. The entry will list all the changes that happened between the latest final release and the first release candidate.

The commit that made the change will be tagged with a release version and a -rc0 suffix as an indication that is not a final release but a first release candidate. If after a week the -rc has no changes, then a final release can be made as explained above. But if changes are made, then a new releases candidate will be released and the -rc suffix will be incremented.

For each release candidate, the changes that happened between the previous release candidate will be appended to the CHANGELOG entry, and both the release candidate version and the date of the release will be updated to reflect the latest release candidate.

The commit that updated the CHANGELOG entry will be tagged as the latest release candidate.

When a final version will be released, there will not be changes to append to the CHANGELOG entry since otherwise a new release candidate should be cut. So only the release version and date should be updated in the CHANGELOG.

The commit that updated the CHANGELOG entry will be tagged as the final release.

For a final release, change the version to the final release version (i.e: 3.0.5-rc3 -> 3.0.5) and update the date. The commit for this change will be tagged as $version.

Testing

The tools code MUST pass the Github Actions testing and have a clean Coverity scan result performed on every release. The CI testing not only tests for valid outputs, but also runs tests uses clang's ASAN feature to detect memory corruption issues.

Release Checklist

The steps, in order, required to make a release.

  • Ensure current HEAD is pointing to the last commit in the release branch.

  • Ensure GitHub Actions has conducted a passing build of HEAD.

  • Update version and date information in CHANGELOG.md and commit.

  • Create a signed tag for the release. Use the version number as the title line in the tag commit message and use the CHANGELOG.md contents for that release as the body.

    git tag -s <tag-name>

  • Build a tarball for the release and check the dist tarball. Note: The file name of the tarball should include a match for the git tag name.

    make distcheck

  • Generate a detached signature for the tarball.

    gpg --armor --detach-sign <tarball>

  • Push both the current git HEAD (should be the CHANGELOG edit) and tag to the release branch.

    git push origin HEAD:<release-branch>
git push origin <tag-name>

  • Verify that the GitHub Actions build passes. Note: GitHub Actions will have two builds, one for the push to master and one for the tag push. Both should succeed.

  • Create a release on Github, using the <release-tag> uploaded. If it is a release candidate, ensure you check the "pre-release" box on the GitHub UI. Use the CHANGELOG.md contents for that release as the message for the GitHub release. Add the dist tarball and signature file to the release.

  • Update the version matrix in the wiki ensuring that the CI is building against a released version of:

    Configuration can be modified via docker-prelude.sh.

  • After the release (not a release candidate) add a commit to master updating the News section of the README to point to the latest release.

  • Send announcement on mailing list.

Verifying git signature

Valid known public keys can be reached via a PGP public keyring server like:

Example for William Roberts (key 5B482B8E3E19DA7C978E1D016DE2E9078E1F50C1:

curl 'https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x5b482b8e3e19da7c978e1d016de2e9078e1f50c1' | \
  gpg --import

Verify the release tag:

git tag --verify [signed-tag-name]

Local Release Configuration

Below you will find information how to configure your machine locally to conduct releases.

Signing Key Setup

Signing keys should have these four properties going forward:

  • belong to a project maintainer.
  • be discoverable using a public GPG key server.
  • be associated with the maintainers GitHub account.
  • be discoverable via an annotated tag within the repository itself.

Ensure you have a key set up:

gpg --list-keys

If you don't generate one:

gpg --gen-key

Add that key to the gitconfig:

git config user.signingkey [gpg-key-id]

Make sure that key is reachable as an object in the repository:

gpg -a --export [gpg-key-id] | git hash-object -w --stdin [object SHA]
git tag -a [your-name-here]-pub [object SHA]

Make sure you push the tag referencing your public key:

git push origin [your-name-here]-pub

Make sure you publish your key by doing:

After that, you can sign tags:

git tag --sign [signed-tag-name]