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Merge pull request #961 from actions/kotewar/doc-update

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Update README with clearer info about cache-hit and its value
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Sankalp Kotewar 2022-10-26 17:10:10 +05:30 committed by GitHub
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@ -34,17 +34,18 @@ If you are using this inside a container, a POSIX-compliant `tar` needs to be in
* `path` - A list of files, directories, and wildcard patterns to cache and restore. See [`@actions/glob`](https://github.com/actions/toolkit/tree/main/packages/glob) for supported patterns. * `path` - A list of files, directories, and wildcard patterns to cache and restore. See [`@actions/glob`](https://github.com/actions/toolkit/tree/main/packages/glob) for supported patterns.
* `key` - An explicit key for restoring and saving the cache * `key` - An explicit key for restoring and saving the cache
* `restore-keys` - An ordered list of prefix-matched keys to use for restoring stale cache if no cache hit occurred for key. Note * `restore-keys` - An ordered list of prefix-matched keys to use for restoring stale cache if no cache hit occurred for key.
`cache-hit` returns false in this case.
#### Environment Variables #### Environment Variables
* `SEGMENT_DOWNLOAD_TIMEOUT_MINS` - Segment download timeout (in minutes, default `60`) to abort download of the segment if not completed in the defined number of minutes. [Read more](#cache-segment-restore-timeout) * `SEGMENT_DOWNLOAD_TIMEOUT_MINS` - Segment download timeout (in minutes, default `60`) to abort download of the segment if not completed in the defined number of minutes. [Read more](#cache-segment-restore-timeout)
### Outputs ### Outputs
* `cache-hit` - A boolean value to indicate an exact match was found for the key * `cache-hit` - A boolean value to indicate an exact match was found for the key.
> See [Skipping steps based on cache-hit](#Skipping-steps-based-on-cache-hit) for info on using this output > Note: `cache-hit` will be set to `true` only when 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
### Cache scopes ### Cache scopes
The cache is scoped to the key and branch. The default branch cache is available to other branches. The cache is scoped to the key and branch. The default branch cache is available to other branches.
@ -152,7 +153,7 @@ A repository can have up to 10GB of caches. Once the 10GB limit is reached, olde
## Skipping steps based on cache-hit ## Skipping steps based on cache-hit
Using the `cache-hit` output, subsequent steps (such as install or build) can be skipped when a cache hit occurs on the key. Using the `cache-hit` output, subsequent steps (such as install or build) can be skipped when a cache hit occurs on the key. It is recommended to install the missing/updated dependencies in case of a partial key match when the key is dependent on the `hash` of the package file.
Example: Example:
```yaml ```yaml