Detect whether a release is being rolled back#13
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If a commit is pushed which rolls back a release candidate and hence downgrades the version of the package in question, then this action will regard it as a release commit. This isn't right, and we should do something about it. However, we don't simply want to ignore this information, because it may come in handy (for instance, if we want to automatically remove the GitHub release/tag or verify the changelog in a different way). Therefore, this commit adds a new output, `COMMIT_TYPE`, which can either be `release`, `release-rollback`, or unset (not a release or a release rollback). In fact, this commit makes this output recommended and deprecates `IS_RELEASE`.
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Bug: Semver Prerelease Parsing Fails
The semver comparison script incorrectly handles prerelease versions that contain dots (e.g., "1.0.0-alpha.1"). It splits the full version string by dots before extracting the prerelease, causing parts of the prerelease identifier (like the '1' in 'alpha.1') to be incorrectly parsed as numeric version components. This leads to erroneous version comparisons.
scripts/compare-semver-versions.sh#L9-L30
action-is-release/scripts/compare-semver-versions.sh
Lines 9 to 30 in e0c2c5f
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If a commit is pushed which rolls back a release candidate and hence downgrades the version of the package in question, then this action will regard it as a release commit. Now, this doesn't affect
core(e.g. https://github.com/MetaMask/core/actions/runs/16173551572/job/45653343692) because we also pass a commit message prefix, and release rollbacks don't follow that pattern, so they get rejected by this action.However, we may actually want to know about release rollbacks. For instance, it would be useful to automatically remove the GitHub release/tag if a release is rolled back, or verify that the version being rolled back is also removed from the changelog. We can't do this well right now without repeating logic.
Therefore, this commit adds a new output,
COMMIT_TYPE, which can either berelease,release-rollback, or "normal" (not a release or a release rollback). In fact, this commit promotes this output as the one to use in the README and deprecatesIS_RELEASE.Closes #1.