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@cdce8p cdce8p commented Dec 23, 2022

This PR adds a lookupOnly option to the cache restore function.
It can be used to check if a cache exists without the need to download it.

Especially useful if e.g. dependency install and actual tests are split across multiple jobs. If the cache restore step for the dependency install has an exact hit, the remaining steps in the job can be skipped. Similarly if the cache is created from scratch and it's just necessary to know if a cache entry already exists.

Would help address
actions/cache#901
actions/cache#831
actions/cache#1020 (comment)
actions/cache#1020 (comment)

Alternative to #1207

CC: @kotewar

@cdce8p cdce8p requested a review from a team as a code owner December 23, 2022 11:59
@kotewar kotewar self-requested a review December 26, 2022 04:52
@cdce8p cdce8p mentioned this pull request Jan 30, 2023
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@cdce8p cdce8p changed the title Add cache restore dryRun option Add cache restore lookupOnly option Jan 30, 2023
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Looks good to me.

@kotewar kotewar merged commit 0e8edb0 into actions:main Mar 8, 2023
@cdce8p cdce8p deleted the cache-dry-run branch March 8, 2023 12:18
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2 participants