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README: clarify that cache-hit returns a string and not a boolean

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Rationale: if `cache-hit` was a boolean, then `!` could be used to get the opposite.
However, it is really a string, and this should be pointed out clearly in the documentation.
Because both `!'true'` and `!'false'` are `false`, so customers can shoot themselves in the foot here.

Closes #1262.
This commit is contained in:
Andreas Abel 2023-10-17 22:36:00 +02:00
parent 0c45773b62
commit 8fc291c114
2 changed files with 4 additions and 4 deletions
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README.md
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@ -65,9 +65,9 @@ If you are using a `self-hosted` Windows runner, `GNU tar` and `zstd` are requir
### Outputs
* `cache-hit` - A boolean value to indicate an exact match was found for the key.
* `cache-hit` - A string `'true'` or `'false'` indicating whether an exact match was found for the key.
> **Note** `cache-hit` will only be set to `true` when a cache hit occurs for the exact `key` match. For a partial key match via `restore-keys` or a cache miss, it will be set to `false`.
> **Note** `cache-hit` will only be set to `'true'` when a cache hit occurs for the exact `key` match. For a partial key match via `restore-keys` or a cache miss, it will be set to `'false'`.
See [Skipping steps based on cache-hit](#skipping-steps-based-on-cache-hit) for info on using this output