do not attempt to delete existing cache #1183
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It introduces a TOCTOU issue, and is not needed because `restoreCache` returns `undefined` if the cache does not exist https://github.com/actions/toolkit/tree/main/packages/cache
This was referenced Oct 17, 2024
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CI results available in https://github.com/ericLemanissier/stale/pull/21/checks |
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@suyashgaonkar what do you think of this change ? |
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Description:
I don't think it's necessary to delete existing cache before overwriting it. https://github.com/actions/cache does not seem to do it. The problem with deleting a cache entry is that it requires to give
actions: writepermissions, which means the workflow has all these permissions and this is way too much, and not acceptable for a lot of projects.Also, do not check if cache exists during restore. It introduces a TOCTOU issue, and is not needed because
restoreCachereturnsundefinedif the cache does not exist, cf https://github.com/actions/toolkit/tree/main/packages/cacheRelated issue:
fixes #1159
fixes #1133
fixes #1131
Check list: