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@@ -185,6 +185,7 @@ See [Examples](examples.md) for a list of `actions/cache` implementations for us
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* [Go - Modules](./examples.md#go---modules)
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* [Haskell - Cabal](./examples.md#haskell---cabal)
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* [Haskell - Stack](./examples.md#haskell---stack)
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* [Hugo - Resources](./examples.md#hugo---resources)
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* [Java - Gradle](./examples.md#java---gradle)
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* [Java - Maven](./examples.md#java---maven)
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* [Node - npm](./examples.md#node---npm)
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@@ -102,7 +102,7 @@ The [GitHub Context](https://docs.github.com/en/actions/learn-github-actions/con
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While setting paths for caching dependencies it is important to give correct path depending on the hosted runner you are using or whether the action is running in a container job. Assigning different `path` for save and restore will result in cache miss.
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Below are GiHub hosted runner specific paths one should take care of when writing a workflow which saves/restores caches across OS.
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Below are GitHub hosted runner specific paths one should take care of when writing a workflow which saves/restores caches across OS.
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#### Ubuntu Paths
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10
examples.md
10
examples.md
@@ -18,6 +18,7 @@
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- [Windows](#windows-2)
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- [Haskell - Cabal](#haskell---cabal)
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- [Haskell - Stack](#haskell---stack)
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- [Hugo - Resources](#hugo---resources)
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- [Java - Gradle](#java---gradle)
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- [Java - Maven](#java---maven)
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- [Node - npm](#node---npm)
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@@ -300,6 +301,15 @@ We cache the elements of the Cabal store separately, as the entirety of `~/.caba
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${{ runner.os }}-stack-work-
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```
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## Hugo - Resources
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```yaml
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- uses: actions/cache@v3
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with:
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path: resources
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key: ${{ runner.os }}-hugo-resources
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```
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## Java - Gradle
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> **Note** Ensure no Gradle daemons are running anymore when your workflow completes. Creating the cache package might fail due to locks being held by Gradle. Refer to the [Gradle Daemon documentation](https://docs.gradle.org/current/userguide/gradle_daemon.html) on how to disable or stop the Gradle Daemons.
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@@ -79,8 +79,10 @@ To avoid saving a cache that already exists, the `cache-hit` output from a resto
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The `cache-primary-key` output from the restore step should also be used to ensure
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the cache key does not change during the build if it's calculated based on file contents.
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Here's an example where we imagine we're calculating a lot of prime numbers and want to cache them:
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```yaml
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name: Always Caching Primes
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name: Always Caching Prime Numbers
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on: push
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@@ -91,23 +93,23 @@ jobs:
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steps:
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- uses: actions/checkout@v4
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- name: Restore cached Primes
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id: cache-primes-restore
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- name: Restore cached Prime Numbers
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id: cache-prime-numbers-restore
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uses: actions/cache/restore@v4
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with:
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key: ${{ runner.os }}-primes
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key: ${{ runner.os }}-prime-numbers
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path: |
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path/to/dependencies
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some/other/dependencies
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# Intermediate workflow steps
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- name: Always Save Primes
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id: cache-primes-save
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if: always() && steps.cache-primes-restore.outputs.cache-hit != 'true'
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- name: Always Save Prime Numbers
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id: cache-prime-numbers-save
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if: always() && steps.cache-prime-numbers-restore.outputs.cache-hit != 'true'
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uses: actions/cache/save@v4
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with:
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key: ${{ steps.cache-primes-restore.outputs.cache-primary-key }}
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key: ${{ steps.cache-prime-numbers-restore.outputs.cache-primary-key }}
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path: |
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path/to/dependencies
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some/other/dependencies
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@@ -37,9 +37,8 @@ From `v3.2.3` cache is cross-os compatible when `enableCrossOsArchive` input is
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## Force deletion of caches overriding default cache eviction policy
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Caches have [branch scope restriction](https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#restrictions-for-accessing-a-cache) in place. This means that if caches for a specific branch are using a lot of storage quota, it may result into more frequently used caches from `default` branch getting thrashed. For example, if there are many pull requests happening on a repo and are creating caches, these cannot be used in default branch scope but will still occupy a lot of space till they get cleaned up by [eviction policy](https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#usage-limits-and-eviction-policy). But sometime we want to clean them up on a faster cadence so as to ensure default branch is not thrashing. In order to achieve this, [gh-actions-cache cli](https://github.com/actions/gh-actions-cache/) can be used to delete caches for specific branches.
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Caches have [branch scope restriction](https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#restrictions-for-accessing-a-cache) in place. This means that if caches for a specific branch are using a lot of storage quota, it may result into more frequently used caches from `default` branch getting thrashed. For example, if there are many pull requests happening on a repo and are creating caches, these cannot be used in default branch scope but will still occupy a lot of space till they get cleaned up by [eviction policy](https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#usage-limits-and-eviction-policy). But sometime we want to clean them up on a faster cadence so as to ensure default branch is not thrashing.
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This workflow uses `gh-actions-cache` to delete all the caches created by a branch.
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<details>
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<summary>Example</summary>
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@@ -60,29 +59,23 @@ jobs:
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actions: write
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contents: read
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steps:
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- name: Check out code
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uses: actions/checkout@v4
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- name: Cleanup
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run: |
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gh extension install actions/gh-actions-cache
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REPO=${{ github.repository }}
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BRANCH=refs/pull/${{ github.event.pull_request.number }}/merge
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echo "Fetching list of cache key"
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cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 )
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cacheKeysForPR=$(gh cache list --ref $BRANCH --limit 100 --json id --jq '.[].id')
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## Setting this to not fail the workflow while deleting cache keys.
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## Setting this to not fail the workflow while deleting cache keys.
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set +e
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echo "Deleting caches..."
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for cacheKey in $cacheKeysForPR
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do
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gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
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gh cache delete $cacheKey
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done
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echo "Done"
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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GH_REPO: ${{ github.repository }}
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BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge
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```
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</details>
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