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tahoe-lafs/docs/release-checklist.rst

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Release Checklist

This release checklist specifies a series of checks that anyone engaged in releasing a version of Tahoe should follow.

Any contributor can do the first part of the release preparation. Only certain contributors can perform other parts. These are the two main sections of this checklist (and could be done by different people).

A final section describes how to announce the release.

This checklist is based on the original instructions (in old revisions in the file docs/how_to_make_a_tahoe-lafs_release.org).

Any Contributor

Anyone who can create normal PRs should be able to complete this portion of the release process.

Prepare for the Release

The master branch should always be releasable.

It may be worth asking (on IRC or mailing-ist) if anything will be merged imminently (for example, "I will prepare a release this coming Tuesday if you want to get anything in").

  • Create a ticket for the release in Trac
  • Ticket number needed in next section
  • Making first release? See GPG Setup Instructions to make sure you can sign releases. [One time setup]

Get a clean checkout

The release proccess involves compressing source files and putting them in formats suitable for distribution such as .tar.gz and zip. That said, it's neccesary to the release process begins with a clean checkout to avoid making a release with previously generated files.

  • Inside the tahoe root dir run git clone . ../tahoe-release-x.x.x where (x.x.x is the release number such as 1.16.0).

Note

The above command would create a new directory at the same level as your original clone named tahoe-release-x.x.x. You can name this folder however you want but it would be a good practice to give it the release name. You MAY also discard this directory once the release process is complete.

Get into the release directory and install dependencies by running:

  • cd ../tahoe-release-x.x.x (assuming you are still in your original clone)
  • python -m venv venv
  • ./venv/bin/pip install --editable .[test]

Create Branch and Apply Updates

  • Create a branch for the release/candidate: git checkout -b XXXX.release-1.16.0
  • produce a new NEWS.txt file (this does a commit): tox -e news
  • create the news for the release:
    • touch newsfragments/<ticket number>.minor
    • git add newsfragments/<ticket number>.minor
    • git commit -m news
  • manually fix NEWS.txt:
    • proper title for latest release ("Release 1.16.0" instead of "Release ...post1432")
    • double-check date (maybe release will be in the future)
    • spot-check the release notes (these come from the newsfragments files though so don't do heavy editing)
    • commit these changes
  • update relnotes.txt:
    • update all mentions of 1.16.0 to new and higher release version for example 1.16.1
    • update "previous release" statement and date
    • summarize major changes
    • commit it
  • update nix/tahoe-lafs.nix:
    • change the value given for version from OLD.post1 to NEW.post1
  • update docs/known_issues.rst if appropriate
  • Push the branch to github
  • Create a (draft) PR; this should trigger CI (note that github doesn't let you create a PR without some changes on the branch so running + committing the NEWS.txt file achieves that without changing any code)
  • Confirm CI runs successfully on all platforms

Create The Release

  • build all code locally

    • these should all pass:
      • tox -e py311,codechecks,docs,integration
    • these can fail (ideally they should not of course):
      • tox -e deprecations,upcoming-deprecations

  • install build dependencies

    • pip install -e .[build]

  • build tarball + wheel (should be built into dist/)

    • hatchling build

  • inspect and test the tarballs

    • install each in a fresh virtualenv
    • run tahoe command

  • when satisfied, sign the tarballs:

    • gpg --pinentry=loopback --armor -u 0xE34E62D06D0E69CFCA4179FFBDE0D31D68666A7A --detach-sign dist/tahoe_lafs-1.20.0rc0-py2.py3-none-any.whl
    • gpg --pinentry=loopback --armor --detach-sign dist/tahoe_lafs-1.20.0rc0.tar.gz

Privileged Contributor

Steps in this portion require special access to keys or infrastructure. For example, access to tahoe-lafs.org to upload binaries or edit HTML.

Hack Tahoe-LAFS

Did anyone contribute a hack since the last release? If so, then https://tahoe-lafs.org/hacktahoelafs/ needs to be updated.

Sign Git Tag

  • git tag -s -u 0xE34E62D06D0E69CFCA4179FFBDE0D31D68666A7A -m "release Tahoe-LAFS-X.Y.Z" tahoe-lafs-X.Y.Z

Upload Artifacts

Any release plus signature (.asc file) need to be uploaded to https://tahoe-lafs.org in ~source/downloads

  • secure-copy all release artifacts to the download area on the tahoe-lafs.org host machine. ~source/downloads on there maps to https://tahoe-lafs.org/downloads/ on the Web:

  • the following developers have access to do this:

    • exarkun
    • meejah
    • warner

Push the signed tag to the main repository:

  • git push origin tahoe-lafs-1.20.0

For the actual release, the tarball and signature files need to be uploaded to PyPI as well.

  • ls dist/1.20.0
  • twine upload --username __token__ --password cat SECRET-pypi-tahoe-publish-token dist/1.20.0

The following developers have access to do this:

  • warner
  • meejah
  • exarkun (partial?)

Merge the Release Branch

Once the release has been signed and uploaded the release branch should be merged to master (thus deleting newsfragments, etc).

Announcing the Release

The release-candidate should be announced by posting to the mailing-list (tahoe-dev@lists.tahoe-lafs.org).

mailing-lists

A new Tahoe release is traditionally announced on our mailing-list (tahoe-dev@lists.tahoe-lafs.org). For example: https://lists.tahoe-lafs.org/pipermail/tahoe-dev/2020-October/009978.html

The former version of these instructions also announced the release on the following other lists:

wiki

Edit the "News" section of the front page of https://tahoe-lafs.org with a link to the mailing-list archive of the announcement message.