ci(workflow): Hasten checkout with blobless clones #693
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In v4.1.0, actions/checkout recently introduced support for Git's partial clones. Partial clones are smaller than full clones (`fetch-depth: 0`), because they don't clone historical blobs and/or trees. Partial clones do clone all historical commits and tags though, so they are larger than depth 1 shallow clones, the default when `fetch-depth` isn't specified. In partial clones, unlike shallow clones, Git operations will typically fetch data that isn't available locally as needed. Hence, prefer blobless clones, the partial clones that give the best performance overall, to full clones, but continue using shallow clones when historical commits and tags aren't needed (e.g., by Commitizen).
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I experimented with both treeless and blobless clones, and they increased the runtime of the entire workflow by about 50% and 10%, respectively, so I am closing this pull request. |
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In v4.1.0, actions/checkout recently introduced support for Git's partial clones. Partial clones are smaller than full clones (
fetch-depth: 0), because they don't clone historical blobs and/or trees. Partial clones do clone all historical commits and tags though, so they are larger than depth 1 shallow clones, the default whenfetch-depthisn't specified. In partial clones, unlike shallow clones, Git operations will typically fetch data that isn't available locally as needed. Hence, prefer blobless clones, the partial clones that give the best performance overall, to full clones, but continue using shallow clones when historical commits and tags aren't needed (e.g., by Commitizen).