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docs: update with new Linux workflow

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docs/Homebrew-linuxbrew-core-Maintainer-Guide.md
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@ -217,9 +217,9 @@ running `git push your-fork master`
## Building bottles for updated formulae ## Building bottles for updated formulae
After merging changes, we must rebuild bottles for all the PRs that After merging changes, we must rebuild bottles for all the PRs that
had conflicts. had conflicts. There is an automatic workflow job that handles this
when the merge commit is pushed to the repository; however, to do it
To do this, tap `Homebrew/homebrew-linux-dev` and run the following manually, tap `Homebrew/homebrew-linux-dev` and run the following
command where the merge commit is `HEAD`: command where the merge commit is `HEAD`:
```sh ```sh
@ -245,16 +245,29 @@ run `brew find-formulae-to-bottle --verbose` separate to the `for`
loop above. loop above.
The `request-bottle` script kicks off a GitHub Action to build the The `request-bottle` script kicks off a GitHub Action to build the
bottle. If successful, it pushes the bottle to BinTray and a commit with the SHA to `master`. There are no bottle. If successful, it pushes the bottle to BinTray and a commit
PRs, and no manual steps unless the formula fails to build. with the SHA to `master`. There are no pull requests, and no manual
steps unless the formula fails to build. Check that the build was
successful from the [Actions tab](https://github.com/homebrew/linuxbrew-core/actions).
If the formula fails to build, we open and merge a PR with the fix, If the formula fails to build, we open a pull request with the fix,
and run `brew request-bottle $formula` again. which will build (but not publish) bottles for that formula. Once the
formula builds correctly, we merge that pull request from the GitHub
web interface, which starts a workflow job to publish the bottle and
push a bottle commit to Homebrew/linuxbrew-core.
## Creating new Linux-specific formula ## Creating new Linux-specific formula
Make a PR to `Homebrew/linuxbrew-core` containing one commit named like this: `name (new formula)`. Keep only one commit in this PR, squash and force push to your branch if needed. Include a comment: `# tag "linux"` in the formula after the `url` stanza, so maintainers can easily find Linux only formulae. Make a PR to `Homebrew/linuxbrew-core` containing one commit named
For `brew pull` to be successful when new formulae are added, we have to insert an empty bottle block into the formula code. This usually goes after the `linux` tag. like this: `name (new formula)`. Keep only one commit in this PR,
squash and force push to your branch if needed. Include a comment: `#
tag "linux"` in the formula after the `url` stanza, so maintainers can
easily find Linux only formulae.
For the bottle commit to be successful when new formulae are added, we
have to insert an empty bottle block into the formula code. This
usually goes after the `linux` tag.
```ruby ```ruby
bottle do bottle do
end end