Implement previews for GitHub pull requests #9
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ekohl
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The PR preview for 6b820be is available at ekohl-tutorial-preview-pr-9.surge.sh No diff compared to the current website |
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When a contributor submits a PR, we always perform a build. This takes it a step further and uploads that a custom surge.sh domain. It adds a sticky comment to link to that preview while also generating some diffs. This means reviews easier. In the implementation an additional preview step is added. This first builds the base (target of the PR) as the current. Then it downloads the generated preview that was added as an artifact in the original build step. Creating a reasonably sized diff was tricky, because there's a long Javascript line that includes the mtime, making it indeterministic. That line isn't relevant anyway, so it's removed. The diff command also ignores the search index. All of that is placed in the preview, making it readable. A sticky comment is added with a summary, making it easy to use. The sticky comment is updated for every push, rather than added a comment for every push. This keeps the PR conversation usable.
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This was for testing. Proper PR is in DjangoGirls#1835. |
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When a contributor submits a PR, we always perform a build. This takes it a step further and uploads that a custom surge.sh domain. It adds a sticky comment to link to that preview while also generating some diffs. This means reviews easier.