Improve release flow

[dentarg]

It is too much cruft, it is time to make it easier and more automated

• Stop generating the gemspec, update it by hand instead
• Remove all the old rake tasks no longer needed
• Probably use https://github.com/svenfuchs/gem-release
• Push new versions to RubyGems.org from GitHub Actions (OIDC support for short-lived API keys rubygems/rubygems.org#4126)
  • already possible to use, I've tested at https://github.com/spinels/spinels/blob/main/.github/workflows/release.yml
  • see notes at Improve release workflow sinatra/sinatra#1920 (comment)

[dentarg]

Examples

• All PRs wanting to change the gemspec (misses there's a rake task to update)

• gemspec: more #freeze and rubygems_version bump #526

• $ b e rake --trace clobber
  ** Invoke clobber (first_time)
  rake aborted!
  Don't know how to build task 'spec:clobber_simplecov' (See the list of available tasks with `rake --tasks`)
  Did you mean?  spec:simplecov
  ...

[dentarg]

https://blog.rubygems.org/2023/12/14/trusted-publishing.html

[sporkmonger]

The new trusted publishing flow is the way to go I think.

[sporkmonger]

Might be worth exploring SLSA provenance too if we're making release changes.

[dentarg]

Might be worth exploring SLSA provenance too if we're making release changes.

It will come: rubygems/rubygems.org#4286 (comment)

[dentarg]

I tested "Trusted Publishers" with a dummy gem over at https://github.com/spinels/slenips