actions/cache
1
0
Fork 0
mirror of https://github.com/actions/cache.git synced 2024-11-15 14:53:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add examples for creating a cache key (#312)

Browse Source
This commit is contained in:
Josh Gross 2020-05-20 10:54:39 -04:00 committed by GitHub
parent 16a133d9a7
commit 2b83e91661
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 34 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
README.md
View File

@ -25,10 +25,10 @@ Create a workflow `.yml` file in your repositories `.github/workflows` directory
> See [Skipping steps based on cache-hit](#Skipping-steps-based-on-cache-hit) for info on using this output
### Branch scope
### Cache scopes
The cache is scoped to the key and branch. The default branch cache is available to other branches.
See https://help.github.com/en/actions/configuring-and-managing-workflows/caching-dependencies-to-speed-up-workflows#matching-a-cache-key for more info.
See [Matching a cache key](https://help.github.com/en/actions/configuring-and-managing-workflows/caching-dependencies-to-speed-up-workflows#matching-a-cache-key) for more info.
### Example workflow
@ -86,6 +86,37 @@ See [Examples](examples.md) for a list of `actions/cache` implementations for us
- [Swift, Objective-C - CocoaPods](./examples.md#swift-objective-c---cocoapods)
- [Swift - Swift Package Manager](./examples.md#swift---swift-package-manager)
## Creating a cache key
A cache key can include any of the contexts, functions, literals, and operators supported by GitHub Actions.
For example, using the [`hashFiles`](https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#hashfiles) function allows you to create a new cache when dependencies change.
```yaml
- uses: actions/cache@v1
with:
path: path/to/dependencies
key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
```
Additionally, you can use arbitrary command output in a cache key, such as a date or software version:
```yaml
# http://man7.org/linux/man-pages/man1/date.1.html
- name: Get Date
id: get-date
run: |
echo "::set-output name=date::$(/bin/date -u "+%Y%m%d")"
shell: bash
- uses: actions/cache@v1
with:
path: path/to/dependencies
key: ${{ runner.os }}-${{ steps.get-date.outputs.date }}-${{ hashFiles('**/lockfiles') }}
```
See [Using contexts to create cache keys](https://help.github.com/en/actions/configuring-and-managing-workflows/caching-dependencies-to-speed-up-workflows#using-contexts-to-create-cache-keys)
## Cache Limits
A repository can have up to 5GB of caches. Once the 5GB limit is reached, older caches will be evicted based on when the cache was last accessed. Caches that are not accessed within the last week will also be evicted.
@ -113,7 +144,7 @@ steps:
> Note: The `id` defined in `actions/cache` must match the `id` in the `if` statement (i.e. `steps.[ID].outputs.cache-hit`)
## Contributing
We would love for you to contribute to `@actions/cache`, pull requests are welcome! Please see the [CONTRIBUTING.md](CONTRIBUTING.md) for more information.
We would love for you to contribute to `actions/cache`, pull requests are welcome! Please see the [CONTRIBUTING.md](CONTRIBUTING.md) for more information.
## License
The scripts and documentation in this project are released under the [MIT License](LICENSE)