[wp-trac] [WordPress Trac] #59416: Add a GitHub Action which alerts contributors to a WordPress Playground link to use for testing PRs

[WordPress Trac]

#59416: Add a GitHub Action which alerts contributors to a WordPress Playground
link to use for testing PRs
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 Reporter:  JeffPaul          |       Owner:  (none)
     Type:  enhancement       |      Status:  new
 Priority:  normal            |   Milestone:  6.5
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  has-patch         |     Focuses:
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Comment (by zieladam):

 I've merged https://github.com/WordPress/wordpress-develop/pull/5737 that
 launches the PR commenting workflow using the same mechanism as the "First
 contribution" workflow.

 This fixes the CI checks for wordpress-develop PRs that failed due to the
 403 error encountered by the previous version of that workflow.

 Caveat: The comment with the preview link is now posted before the build
 artifact is ready, which could cause confusion if it led the user to an
 error page. This is why I also adjusted the user experience on WordPress
 Playground side of things to communicate how the build artifact is not
 ready yet, and that the previewer will auto-retry every 30 seconds.

 Here's a PR I prepared to showcase how it works:

 https://github.com/WordPress/wordpress-develop/pull/5752

 Let's let this ticket sit for a bit to and gather feedback before closing.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59416#comment:49>
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