mirror of
https://github.com/gradle/gradle-build-action
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Adapt README and workflow for new caching
This commit is contained in:
Daz DeBoer
parent
6fca6b3929
commit
986024f0b7
2 changed files with 45 additions and 70 deletions
39
.github/workflows/prod.yml
vendored
39
.github/workflows/prod.yml
vendored
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@ -19,7 +19,12 @@ jobs:
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uses: ./
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with:
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build-root-directory: __tests__/samples/basic
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arguments: test
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arguments: test --no-daemon
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- name: Build with configuration-cache enabled
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uses: ./
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with:
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build-root-directory: __tests__/samples/basic
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arguments: test --no-daemon --configuration-cache
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gradle-execution:
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needs: basic-build
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@ -66,7 +71,6 @@ jobs:
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with:
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build-root-directory: __tests__/samples/basic
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arguments: test --no-daemon
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dependencies-cache-enabled: true
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configuration-cache:
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needs: basic-build
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@ -82,11 +86,8 @@ jobs:
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with:
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build-root-directory: __tests__/samples/basic
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arguments: test --configuration-cache --no-daemon
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configuration-cache-enabled: true
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dependencies-cache-enabled: true
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# Configuration cache requires dependencies cache, since it assumes dependencies are already downloaded.
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cache-read-only:
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read-only-cache:
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needs: basic-build
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strategy:
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matrix:
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@ -95,14 +96,25 @@ jobs:
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steps:
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- name: Checkout sources
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uses: actions/checkout@v2
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- name: Test cache-read-only
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- name: Test caches read-only
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uses: ./
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with:
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build-root-directory: __tests__/samples/basic
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arguments: test --no-daemon
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dependencies-cache-enabled: true
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configuration-cache-enabled: true
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cache-read-only: true
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distributions-cache-enabled: read-only
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gradle-user-home-cache-enabled: read-only
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project-dot-gradle-cache-enabled: read-only
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- name: Test caches disabled
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uses: ./
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with:
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gradle-version: 6.9
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build-root-directory: __tests__/samples/basic
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arguments: test --no-daemon
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distributions-cache-enabled: false
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gradle-user-home-cache-enabled: false
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project-dot-gradle-cache-enabled: false
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failures: # These build invocations are informational only, and are expected to fail
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needs: basic-build
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@ -116,3 +128,10 @@ jobs:
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with:
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build-root-directory: __tests__/samples/no-wrapper
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arguments: help
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- name: Test bad config value
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uses: ./
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continue-on-error: true
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with:
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build-root-directory: __tests__/samples/no-wrapper
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arguments: help
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gradle-user-home-cache-enabled: no
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76
README.md
76
README.md
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@ -74,8 +74,6 @@ If you need to pass environment variables, simply use the GitHub Actions workflo
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gradle-executable: path/to/gradlew
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```
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NOTE: The `wrapper-directory` input has been deprecated. Use `gradle-executable` instead.
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## Setup and use a declared Gradle version
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```yaml
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@ -122,81 +120,39 @@ jobs:
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This action provides 3 levels of caching to help speed up your GitHub Actions:
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- `distributions` caches any downloaded Gradle zips, including any downloaded [wrapper](https://docs.gradle.org/current/userguide/gradle_wrapper.html) versions, saving time downloading Gradle distributions ;
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- `dependencies` caches the [dependencies](https://docs.gradle.org/current/userguide/dependency_resolution.html#sub:cache_copy), saving time downloading dependencies ;
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- `configuration` caches the [build configuration](https://docs.gradle.org/nightly/userguide/configuration_cache.html), saving time configuring the build.
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- `distributions` caches any distributions downloaded to satisfy a `gradle-version` parameter ;
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- `gradle-user-home` caches downloaded dependencies, wrapper distributions, and other stuff from the Gradle User home directory ;
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- `project-dot-gradle` caches stored [configuration-cache](https://docs.gradle.org/nightly/userguide/configuration_cache.html) state, saving time configuring the build.
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Only the first one, caching downloaded distributions, is enabled by default.
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Future versions of this action will enable all caching by default.
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You can control which level is enabled as follows:
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Each of these are enabled by default. To save caching space, you can disable any of them as follows:
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```yaml
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distributions-cache-enabled: true
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dependencies-cache-enabled: true
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configuration-cache-enabled: true
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gradle-user-home-cache-enabled: true
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project-dot-gradle-cache-enabled: true
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```
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NOTE: The `wrapper-cache-enabled` flag has been deprecated, replaced by `distributions-cache-enabled` which enables caching for all downloaded distributions, including Gradle wrapper downloads.
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The distributions cache uses a cache key that is unique to the downloaded distribution. This will not change over time.
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The distributions cache is simple and can't be configured further.
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The `gradle-user-home` and `project-dot-gradle` caches compute a cache key based on the current commit and the Gradle invocation.
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As such, these are likely to change on each subsequent run of GitHub actions, allowing the most recent state to always be available in the GitHub actions cache.
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The dependencies and configuration cache will compute a cache key in a best effort manner.
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Keep reading to learn how to better control how they work.
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By default, this action aims to cache any and all reusable state that may be speed up a subsequent build invocation.
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Note that enabling configuration cache without the dependencies cache is not permitted, since a hit in the configuration cache assumes that dependencies are already present in the local dependencies cache.
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### Configuring the dependencies and configuration caches
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Both the dependencies and configuration caches use the same default configuration:
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They use the following inputs to calculate the cache key:
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```text
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**/*.gradle
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**/*.gradle.kts
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**/gradle.properties
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gradle/**
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```
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This is a good enough approximation.
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They restore cached state even if there isn't an exact match.
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If the defaults don't suit your needs you can override them with the following inputs:
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```yaml
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dependencies-cache-key: |
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**/gradle.properties
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gradle/dependency-locks/**
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dependencies-cache-exact: true
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configuration-cache-key: |
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**/gradle.properties
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gradle/dependency-locks/**
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configuration-cache-exact: true
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```
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Coming up with a good cache key isn't trivial and depends on your build.
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The above example isn't realistic.
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Stick to the defaults unless you know what you are doing.
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If you happen to use Gradle [dependency locking](https://docs.gradle.org/current/userguide/dependency_locking.html) you can make the dependencies cache more precise with the following configuration:
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```yaml
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dependencies-cache-enabled: true
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dependencies-cache-key: gradle/dependency-locks/**
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dependencies-cache-exact: true
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```
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At this time it is not possible to fine-tune this caching. If you have a legitimate use case for fine-grained caching or restricting which files are cached, please raise an issue.
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### Using the caches read-only
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Cache storage space is limited for GitHub actions, and writing new cache entries can trigger the deletion of exising entries.
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In some circumstances, it makes sense for a Gradle invocation to use any existing cache entries but not to write and changes back.
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In some circumstances, it makes sense for a Gradle invocation to read any existing cache entries but not to write changes back.
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For example, you may want to write cache entries for builds on your `main` branch, but not for any PR build invocations.
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Use the following configuration to avoid writing cache entries for the action invocation:
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You can enable read-only caching for any of the caches asfollows:
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```yaml
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cache-read-only: true
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distributions-cache-enabled: read-only
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gradle-user-home-cache-enabled: read-only
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project-dot-gradle-cache-enabled: read-only
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```
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## Build scans
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