Avoid sbt cache being invalidated for a library that is only incrementing its own version
#564
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rtyley
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Dec 6, 2023
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Interesting, perhaps it would be a good idea to have an action parameter that allows you to complete the pattern by default? This would give us finer control over the specifics of our projects. |
…ting it's own version While working on https://github.com/guardian/gha-scala-library-release-workflow I noticed that no matter how many times I ran the workflow, `actions/setup-java` would always report `sbt cache is not found`, even if there had been no substantial change in the project - simply that `version.sbt` (the file used by https://github.com/sbt/sbt-release) had the version number in it incremented (as in guardian/play-secret-rotation@b215232). This meant that turning on `cache: sbt` would actually slow the workflow considerably, as it would never benefit from the cache being present, and would always have to save it, which could take 2-3 minutes - even though it can't take advantage of the data it's saving. As such, it would be great to exclude `version.sbt` files from the cache hash key. Background: `cache: sbt` was orginally introduced with actions#302
rtyley
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Dec 7, 2023
JamieB-gu
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Dec 10, 2024
Installs `sbt`. We need this because GitHub no longer includes `sbt` in its base images, so we have to set it up separately. We can't use `guardian/setup-scala` because this mandates caching of `sbt` resources, which slows down builds in this workflow as seen in 137fd0a due to actions/setup-java#564
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Description:
While working on
guardian/gha-scala-library-release-workflowI noticed that no matter how many times I ran the workflow,actions/setup-javawould always reportsbt cache is not found, even if there had been no substantial change in the project - simply that the version number inversion.sbt(the file used bysbt/sbt-release) had been incremented (as in guardian/play-secret-rotation@b215232).This meant that turning on
cache: sbtwould actually slow the workflow considerably, as it would never benefit from the cache being present, and would always have to save it, which could take 2-3 minutes - even though it can't take advantage of the data it's saving.As such, it would be great to exclude
version.sbtfiles from the cache hash key.Background:
cache: sbtwas originally introduced with #302 - cc @fmeriaux 🙇♂️Check list: