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Adjust logic for calculating version #1481

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Feb 14, 2024
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@dmikusa dmikusa commented Feb 14, 2024

Summary

In most cases, GITHUB_REF is set to something that starts with refs/*. There is a bug where it's not set and when that happens, we get a bad release. The version calculation happens incorrectly and it uses the git commit hash for the version, but that does not work for an actual release.

There are three scenarios when the version is calculated:

  • When publishing a builder
  • When publishing a buildpack
  • When running tests for publishing a builder (i.e. create-package)

The first two happen on release, and should read the tag and parse out the semver number. The latter should not have a version so it will fallback to running git to obtain the git commit hash and use that for a version.

We were previously trying to detect the case where the variable was unset or empty, but didn't have the logic right. This PR switches things so that we look to make sure GITHUB_REF starts with refs/*. I'm hoping this will be more reliable.

Resolves #1249

In most cases, `GITHUB_REF` is set to something that starts with `refs/*`. There is a bug where it's not set and when that happens, we get a bad release. The version calculation happens incorrectly and it uses the git commit hash for the version, but that does not work for an actual release.

There are three scenarios when the version is calculated:

- When publishing a builder
- When publishing a buildpack
- When running tests for publishing a builder (i.e. create-package)

The first two happen on release, and should read the tag and parse out the semver number. The latter should not have a version so it will fallback to running git to obtain the git commit hash and use that for a version.

We were previously trying to detect the case where the variable was unset or empty, but didn't have the logic right. This PR switches things so that we look to make sure `GITHUB_REF` starts with `refs/*`. I'm hoping this will be more reliable.

Signed-off-by: Daniel Mikusa <[email protected]>
@dmikusa dmikusa added type:bug A general bug semver:patch A change requiring a patch version bump labels Feb 14, 2024
@dmikusa dmikusa requested a review from a team as a code owner February 14, 2024 04:11
@pivotal-david-osullivan pivotal-david-osullivan merged commit b65a8fd into gh-1172 Feb 14, 2024
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pivotal-david-osullivan pushed a commit that referenced this pull request Feb 14, 2024
* Bump action versions

Bump versions for:
- docker/login-action
- mheap/github-action-required-labels
- peter-evans/create-pull-request

Signed-off-by: Daniel Mikusa <[email protected]>

* Adjust logic for calculating version (#1481)

In most cases, `GITHUB_REF` is set to something that starts with `refs/*`. There is a bug where it's not set and when that happens, we get a bad release. The version calculation happens incorrectly and it uses the git commit hash for the version, but that does not work for an actual release.

There are three scenarios when the version is calculated:

- When publishing a builder
- When publishing a buildpack
- When running tests for publishing a builder (i.e. create-package)

The first two happen on release, and should read the tag and parse out the semver number. The latter should not have a version so it will fallback to running git to obtain the git commit hash and use that for a version.

We were previously trying to detect the case where the variable was unset or empty, but didn't have the logic right. This PR switches things so that we look to make sure `GITHUB_REF` starts with `refs/*`. I'm hoping this will be more reliable.

Signed-off-by: Daniel Mikusa <[email protected]>

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Signed-off-by: Daniel Mikusa <[email protected]>
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