Since adding these to the `org.gradle.java.installations.fromEnv` property
is problematic (#1024), this mechanism allows the default toolchains to
be discovered by Gradle via a different mechanism.
The default JDK installations are added to `~/.m2/toolchains.xml` such that
they are discoverable by Gradle toolchain support.
The `setup-java` action also writes to this file, so we merge with any existing
content: this allows both pre-installed and "setup" JDKs to be automatically
detected by Gradle.
Previously, the workflow name was always included when matching a cache entry for the current job.
This can be overly restrictive when job definitions are shared between different workflows.
The workflow name is still encoded in the cache entry key, but not in the restore key searching for entries with a matching job.
Fixes#1017
Instead of a binary true/false option, it is now possible to only add
a Job Summary when the build failed. This applies both to the overall
Job Summary added to the workflow run, and to the new PR comment feature.
Rather than requiring a separate step to add a PR comment,
the `gradle-build-action` can now automatically add the Job Summary
as a PR comment
Fixes#1020
- Don't upload artifacts when using 'generate-and-submit'
- New option 'generate-and-upload' to be used with 'download-and-submit'
- Use Artifact API for downloading in the same and different workflow
- Avoid "Entry not saved: reason unknown" when entry was not restored
- Avoid "Entry not saved: Encryption key not provided" when no config-cache data found
- Avoid spurious log message when no config-cache data found
Earlier versions of Gradle didn't support the `GRADLE_ENCRYPTION_KEY`
for the configuration-cache, and so are either not useful to save,
or are actually unsafe due to unencrypted secrets.
We use semver to compare the Gradle version used to produce the config-cache
entry with the minimum Gradle version required.
- Avoid logging "not restoring" message when no entries exist to restore
- Clear the entries from metadata when they are not restored. This ensures that
the non-restored entries are correctly purged.
This makes it easier for users to enable config-cache saving in their workflow.
Config-cache data will only be saved/restored when the key is provided,
and the key is exported as `GRADLE_ENCRYPTION_KEY` for use in subsequent steps.
The `PluginManager` type wasn't introduced until Gradle 2.x.
Remove this type from the method signature in an attempt to allow this
file to be parsed with Gradle 1.12.
The repository URL used to resolve the `github-dependency-graph-gradle-plugin` is now
configurable, allowing a user to specify an internal proxy if the public portal is not available.
Specify a custom plugin repository using the `GRADLE_PLUGIN_REPOSITORY_URL` env var,
or the `gradle.plugin-repository.url` System property.
Fixes#933
* dd/dependency-updates:
Bumps the npm-dependencies group with 5 updates:
Bump the github-actions group with 2 updates
Bump from Gradle 8.4 to Gradle 8.5
- Added a new `artifact-retention-days` input parameter to control retention of uploaded artifacts
- Artifacts retention will use repository settings if not overridden.
A common issue when submitting a dependency graph is that the required
'contents: write' permission is not set.
We now catch any dependency submission failure and inform the user to check
that the required permissions are available.
When using 'download-and-submit' for dependency graphs, we now run the
submission immediately instead of waiting until the post-action.
This allows a single job to both submit the graph and run the dependency
review action.
- Allow environment variables to be overridden by system properties in dependency-graph initscript
- Set `GITHUB_DEPENDENCY_GRAPH_ENABLED=false` when executing Gradle for cache cleanup
In a pull request, GITHUB_SHA is set to the "last merge commit on the GITHUB_REF branch".
This isn't the correct value to use when generating a dependency graph.
This changes to use the value of `pull_request.head.sha`, which is the correct
value for a dependency graph.
Fixes#882
Adds a new init-script which can enable and configure the Gradle Enterprise plugin(s)
for a build, without needing to modify the settings script for the project.
The functionality is enabled and configured via environment variables or system properties.
Not yet wired into `gradle-build-action`.
- Describe the limitations/properties of the GitHub Actions cache
- Document the algorithm for generating a cache key, and the way that cache entries are matched
- Describe in more detail how entries are de-duplicated
- Explain how cache entries can be optimized in Job pipelines
Fixes#831Fixes#608
Users will currently need to spend some time working out the required regex when using `DEPENDENCY_GRAPH_INCLUDE_PROJECTS`. Providing an example will get users up to speed quicker.
Signed-off-by: Andy Coates <8012398+big-andy-coates@users.noreply.github.com>
Fixes: #840
With Gradle 8.0.2 (not tried other versions) the configuration name is runtimeClasspath not RuntimeClasspath. Using the latter results in an empty set of dependencies being reported (as it matches no configurations).
Signed-off-by: Andy Coates <8012398+big-andy-coates@users.noreply.github.com>
If an existing dependency graph file is present for the configured job correlator,
we now generate a unique correlator value for the invocation. This allows the action
to submit dependency snapshots for a series of Gradle invocations within the same Job.
This commit updates to `github-dependency-graph-gradle-plugin@v0.0.6`, which reduces
redundancy in the mapping of resolved Gradle dependencies to the GitHub Dependency Graph.
Adds a 'dependency-graph' parameter that has 4 options:
1. 'disabled': no dependency graph files generated (the default)
2. 'generate': dependency graph files will be generated and saved as artifacts.
3. 'generate-and-submit': dependency graph files will be generated, saved as artifacts,
and submitted to the Dependency Submission API on job completion.
4. 'download-and-submit': any previously uploaded dependency graph artifacts will be downloaded
and submitted to the Dependency Submission API.
Instead of requiring an action step to generate the graph, configure Gradle User Home
so that subsequent Gradle invocations can generate a graph. Any generated graph files
are uploaded as artifacts on job completion.
- Construct job.correlator from workflow/job/matrix
- Export job.correlator as an environment var
- Upload artifacts at job completion in post-action step
- Specify the location of dependency graph report
- Only apply dependency graph init script when explicitly enabled
Moved reading of all input parameters into a common source: `input-params.ts`.
This centralized all input parameter reads, and allowed an improved implementation
of reading boolean parameters. In particular, the implementation now provides a default
value for a boolean input parameter that isn't declared for an action.
Introducing new actions for the GitHub dependency graph will involve reuse of much of
the action infrastructure. This commit reorganises things a little to facilitate reuse.
The `PluginManager.hasPlugin` method was not detecting the GE plugin when it
was applied during settingsEvaluated.
Switching to `PluginManager.withPlugin` fixes this.
Fixes#626
With Gradle 8.1, the configuration-cache has changed and is now stable.
As a temporary measure, this commit disables save/restore of the configuration-cache
data to avoid issues until we can deal with this change properly.
When configuration-cache is enabled, the invocationId may not be unique, which can result in
mulitple builds writing to the same file. Rather than failing the post-action, we simply
ignore any subsequent build results with the same ID.
Fixes#441
Logging of the AZURE_LOG_LEVEL env var value is considered a security issue,
since any environment variable value could contain sensitive information.
In this case, logging the value is not really necessary.
The included sourcemap-register.js file is triggering a high priority
CodeQL warning, which can prevent users from adopting the action.
Removing this sourcemap support for now, until this can be fixed upstream.
- Bump eslint from 8.23.0 to 8.23.1
- Bump typescript from 4.8.2 to 4.8.3
- Bump eslint-plugin-jest from 27.0.1 to 27.0.4
- Bump @typescript-eslint/parser from 5.36.2 to 5.37.0
- Includes basic implementation as `CacheCleaner`
- Integration test that checks unused files are removed:
- Downloaded dependencies
- Local build cache entries
- Wrapper distributions
Now that `@actions/cache` provides a env var override, we can remove our
custom configuration for setting the timeout on cache restore operations.
If the env var is NOT set, we continue to override the 60min default with 10mins.
It appears that when restoring the Gradle User Home directory, certain empty
directories are being identified by Node as broken symlinks. This results in
`Error: ENOENT: No such file or directory` when attempting to resolve a Glob pattern.
By using the default behaviour of Globber (followSymbolicLinks && ignoreBrokenLinks),
these bad files no longer cause errors when saving the Gradle User Home to cache.
Fixes#408
The fix for #383 introduced a bug that caused the post-action to fail when
attemping to resolve `cache-read-only` for scheduled jobs.
This has been fixed with an explicit (rather than implicit) check for 'event.repository != null'.
Fixes#409
This commit reverts the change in v3.0.0 of @actions/cache, that
causes cache errors to be logged and swallowed. By allowing these
errors to propogate, the action can take appropriate action and
provide useful error messages.
Fixes#407
For scheduled workflows, we don't know the default branch. In this case cannot determine if
the workflow is running on the default branch, and so cannot know when to enable `cache-read-only`.
Fixes#383
The init-scripts added to Gradle User Home were assuming the presence of certain
GitHub Actions environment variables. With this fix, these init scripts behave
better without these env vars.
Fixes#350
Although convenient, the os.homedir() function can return a different value
that the 'user.home' SystemProperty in Java. The latter is used to locate
the Gradle User Home directory.
By switching to use Java to determine the value for 'user.home', we can use
the same process as Gradle to determine Gradle User Home.
Fixes#207
Now that we are stopping all Gradle daemons in the post-job action,
we can allow daemon processes to be re-used across steps in a workflow job.
Fixes#113
Improve init scripts and add test coverage
The build-scan-capture init script will now capture results from builds that do not publish a build-scan, with and without the configuration-cache.
Fixes#292
When enabled, the configuration-cache will cause the build to fail when a
`buildFinished` listener is added. Instead, use a BuildService to listen for task
failures and to write the results on build completion.
The `gradle-build-action` test workflows need to write cache entries,
even when run on non-default branches. This change add explicit configuration
to set `cache-read-only: false` when cache writing is required.
Cache entries _written_ from jobs run on a non-default branch will be private
to other jobs for that branch. When development flow involves working on a
feature branch and then merging into 'main', these branch-private cache
entries can result in eviction of other (shared) cache entries generated
for the default branch.
With this change, we make the recommended setup the default, by running
with `cache-read-only: true` for any jobs run on a non-default branch.
These jobs will be able to read cache entries written from the main branch,
but will not write any cache entries.
Fixes#143
- Bump typescript from 4.7.2 to 4.7.3
- Bump ts-jest from 28.0.3 to 28.0.4
- Added @types/jest which is now required
- Bump eslint from 8.16.0 to 8.17.0
Using `settingsEvaluated` meant that the project root was not recorded
when the build was run with a config-cache hit. This meant that the subsequent
build would not restore the config-cache, resulting in a cache miss.
In order to avoid issues running the init script on older versions of Gradle
the project-collection is extracted into a separate groovy file that is only
applied conditionally on Gradle 7 or higher.
Various improvements to CI workflows
- Compose all integ-test workflow executions into a single calling workflow
- Added a 'quick-check' workflow that provides faster feedback on branches other than main
- Only runs on ubuntu-latest
- Reuses cache entries from previous runs
- Builds distribution outputs so that these don't need to be committed during everyday development
- Added a workflow for purging old workflow executions
Together with the fix for #293, these changes fix#291
The action requires the generated distribution to committed to the 'dist' directory.
During regular development this step causes a number of problems:
- It's easy to forget to add/commit these generated files.
- It's very difficult/impossible to merge/rebase commits that involve generated files
- These file add unnecessary bulk to the git history
With this change, the quick-check workflow will first build the distribution and then
use the generated output for testing. Building and committing these files will only be
required when merging into the 'main' branch.
- Workflow to run all integTest workflows, allowing use of prior cache entries
- Workflow that starts with empty cache
Both of these use workflow_call to combine the existing workflows.
The wrapper zip files are redundant, and not required after extraction.
Gradle 7.5+ will delete these automatically, but we delete them for older
versions to avoid caching the wrapper distributions twice.
Sinc the `gradle-home-cache-excludes` parameter does not support
wildcards, we remove them explicitly.
- Bump @actions/cache from 2.0.4 to 2.0.5
- Bump ts-jest from 28.0.2 to 28.0.3
- Bump typescript from 4.6.4 to 4.7.2
- Bump @vercel/ncc from 0.33.4 to 0.34.0
Production deps:
- Bump @actions/tool-cache from 1.7.2 to 2.0.1
- Bump @actions/http-client from 1.0.11 to 2.0.1
- Bump @actions/github from 5.0.1 to 5.0.3
- Bump @actions/cache from 2.0.2 to 2.0.4
Dev deps:
- Bump eslint from 8.14.0 to 8.15.0
- Bump eslint-plugin-jest from 26.2.0 to 26.2.2
- Bump jest from 27.5.1 to 28.1.0
- Bump ts-jst from 27.1.4 to 28.0.2
- Remove explicit dependency on jest-circus: this is now the default runner
- Remove test timeout setting
- Remove @types/jest from explicit dependencies
Production deps:
- Bump @actions/core:1.6.0 to 1.8.2
Development deps:
- Bump typescript from 4.6.3 to 4.6.4
- Bump @typescript-eslint/parser from 5.20.0 to 5.23.0
- Bump eslint-plugin-jest from 26.1.4 to 26.2.0
- Switch from deprecated @zeit/ncc to @vercel/ncc
To save space, future versions of Gradle are likely to delete the downloaded distribution
after extracting it. See gradle/gradle#3605 and gradle/gradle#19495.
To cater for this we will now save/restore the extracted distribution rather than the
downloaded zip file.
The test Gradle sample apps reference plugins, and it's good to keep these
updated (particularly the GE plugin).
Minor changes to the build scripts were required to satisfy Dependabot.
Now that environment variable reads are auto-detected by Gradle 7.4,
we need a different mechanism to check that the configuration cache is
being used successfully.
MacOS runners are initialized with a Gradle User Home directory including
the `~/.gradle/notifications` directory. This was causing the action to skip
restoring the Gradle User Home on MacOS.
This fix limits the pre-existing GUH check to the `~/.gradle/caches` directory
which isn't pre-initialized in the runner.
Fixes#155
Improves logging for caching, and adds 2 experimental cache options:
- `gradle-home-cache-strict-match`: Avoid re-using a Gradle Home cache entry written by a different job. Only cache entries written by the current Job will be used.
- `cache-write-only`: Do not restore existing cache entries, but still save cache entries in post-action. Fixes#141.
There may be cases where it a "fresh" cache entry would be beneficial,
for example if the Gradle User Home cache entry grows over time.
This setting would run the build as if no prior cache entry exists.
By default, the action will attempt to restore a Gradle User Home
cache entry from a different set of matrix inputs (or a different Job entirely)
if an existing entry is not found for the current Job (including matrix inputs).
By specifying the experimental `gradle-home-cache-strict-match` parameter, a user
can avoid this fuzzy matching and ensure that a job execution starts with an
empty Gradle User Home if no entry from a prior execution is found.
Fix Build Scan capture when cache is disabled
With the change to use init-scripts to inject Build Scan capture, this functionality broke when caching was disabled and Gradle User Home wasn't initialized.
This PR fixes a couple of issues and ensures that the Gradle User Home is initialized even when it is not restored from the GitHub Actions cache.
Fixes#138Fixes#139
This change to the integration tests should properly isolate multiple runs of the same job.
Previously, some jobs would fail if you attempted to re-run them via the UI, because the cache
entries would be re-used from the previous run.
Instead of using a fallback strategy to locate a configuration-cache entry
based on the current job and git SHA, these entries are now keyed based on their
file content with the keys persisted in the primary Gradle User Home entry.
This removes the chance of having a configuration-cache entry restored that is
incompatible with the restored Gradle User Home state, and makes the logic easier
to understand.
This change involved a fairly major refactor, with the CacheEntryExtractor being
split out from the primary cache implementation, and adding a separate extractor
implementation for configuration-cache.
- Remove configuration parameter for cache-entry-definitions. This allows richer modelling of extracted entries.
- Include both *.zip and *.tar.gz in entry definition for java-toolchains.
If the user supplies no 'arguments' parameter, the action will function as a
'setup-gradle' action, adding Gradle to the PATH and enabling other features
without actually running a Gradle build.
Any subsequent Gradle invocations in the workflow will benefit from:
- Save/restore of Gradle User Home
- Save/restore of configuration-cache data
- Capture of build-scan URLs
These features are enabled via Gradle User Home, so any Gradle invocation that
uses the same Gradle User Home will be included.
Restore/save configuration-cache data in first action step. This will enable the use of the action for caching without managing all gradle invocations.
Previously, the action was restoring/saving the configuration-cache data for each
step that applied the action. In order to support Gradle invocations that are _not_
managed by the action, the configuration-cache restore is now performed in the initial
action step, and save is performed in the final post-action step.
The build root directories are recorded for each invocation via an init script.
Instead of relying on the separate cache implementations to check for the
existence of cached products, we now explicitly track whether or not the execution
is the first time the action has been invoked for a job.
Using a single cache entry for all files of a type is necessary to avoid
overloading the cache service. However, this mechanism is not very efficient
for certain artifacts like wrapper zips and generated-gradle-jars, where the
same individual files are often shared between different jobs.
With this change, any configured file patterns that do not end in '*' will
be cached as individual files. At this time this includes downloaded wrapper
zips and generated-gradle-jars.
Fixes#78
This is a pure refactor, moving from a separate .cache file per bundle to a single cache-metadata.json file describing all bundles. Instead of storing cache metadata in a separate .cache file per artifact bundle, all of the metadata is now stored in a single `.json` file.
This will make it easier to implement more flexible artifact-caching strategies, such as caching each wrapper zip separately.
* Always include cache protocol version in cache key
* Store all cache metadata in a single JSON file
* Rename cache-metadata file and bump protocol version
* Polish and documentation
Instead of writing the URL to a file on disk, reading it later and
using the Actions API to record the output parameter and write the notice,
these things are now done directly via Actions commands emitted directly
from the init script.
Instead of writing this file to a temp directory and referencing it
on the Gradle command line, the init script is now written to Gradle
User Home so that it is picked up automatically.
Instead of passing `--no-daemon` on the command line, the same
functionality is now acheived by writing a gradle.properties file
when initializing Gradle User Home.
Failures to store cache entries should not fail the action or the Job.
This fix attempts to catch and log any unexpected errors that occur when
saving cache entries.
Fixes: #119Fixes: #120
- Warn and continue on failure to restore a Gradle distribution from cache
- Warn and continue on failure to save a Gradle distribution to cache
- Extract common functionality for consistent handling of cache failures
Fixes#116
There's no easy way to get the size of restored/saved cache entries
using the @actions/cache library. Rather than reimplement it, this commit
adds a patch that will be applied whenever 'npm install' is run.
The work is done by 'patch-package'.
Fix issues for 2.0-rc.2
- Support multi-line strings for cache-tuning parameters #106
- Include all downloaded files in `dependencies` bundle #100
- Only restore configuration-cache if Gradle User Home is fully restored #107
Instead of tracking a single 'fully-restored' flag, track the restore status of each
cache entry restore. If any of these are requested but not restored, then the overall
Gradle User Home cache is not fully restored.
Added special handling for the case when zero artifact bundles are set: this is used
in tests to simulate a not-fully-restored state.
Previously, only .jar files were bundled, with other files (modules, POMs, zips, etc)
being left in Gradle User Home. All downloaded files are now included in the bundle.
Fixes#100
The `gradle-home-cache-includes` and `gradle-home-cache-excludes` parameters were initially implemented
as JSON string inputs. This makes these inputs non-idiomatic and easier to get wrong.
This change converts them to multi-line input parameters.
Fixes#106
Add some internal options for fine-tuning the gradle-build-action cache
- Can specify cache-paths to override the default directories cached from Gradle User Home
- Can specify cache-exclude-paths to exclude files from the Gradle User Home cache
- Files under caches/<gradle-version>/kotlin-dsl are now cached as a bundle
Ensure all-or-nothing restore of cached instrumented-jars
Leaving the .lock and .receipt files lying around was causing issues when the actual jar files were not restored. Now the entire directory will either be missing, or completely restored.
Fixes#91
Leaving the `.lock` and `.receipt` files lying around was causing
issues when the actual jar files were not restored. Now the entire
directory will either be missing, or completely restored.
Instead of parsing the log output, we instead register a
buildScanPublished listener and record the build scan URL
to a file. This file is subsequently read to report the
build scan URL.
Fixes#30
# This Action will scan dependency manifest files that change as part of a Pull Request, surfacing known-vulnerable versions of the packages declared or updated in the PR. Once installed, if the workflow run is marked as required, PRs introducing known-vulnerable packages will be blocked from merging.
# Public documentation: https://docs.github.com/en/code-security/supply-chain-security/understanding-your-software-supply-chain/about-dependency-review#dependency-review-enforcement
# Execute Gradle builds in GitHub Actions workflows
This GitHub Action can be used to execute a Gradle build on any platform supported by GitHub Actions.
This GitHub Action can be used to configure Gradle and optionally execute a Gradle build on any platform supported by GitHub Actions.
## Usage
## Why use the `gradle-build-action`?
It is possible to directly invoke Gradle in your workflow, and the `actions/setup-java@v4` action provides a simple way to cache Gradle dependencies.
However, the `gradle-build-action` offers a number of advantages over this approach:
- Easily [configure your workflow to use a specific version of Gradle](#choose-a-specific-gradle-version) using the `gradle-version` parameter. Gradle distributions are automatically downloaded and cached.
- More sophisticated and more efficient caching of Gradle User Home between invocations, compared to `setup-java` and most custom configurations using `actions/cache`. [More details below](#caching-build-state-between-jobs).
- Detailed reporting of cache usage and cache configuration options allow you to [optimize the use of the GitHub actions cache](#optimizing-cache-effectiveness).
- [Generate and Submit a GitHub Dependency Graph](#github-dependency-graph-support) for your project, enabling Dependabot security alerts.
- [Automatic capture of Build Scan® links](#build-reporting) from the build, making these easier to locate for workflow run.
The `gradle-build-action` is designed to provide these benefits with minimal configuration.
These features work both when Gradle is executed via the `gradle-build-action` and for any Gradle execution in subsequent steps.
## Use the action to setup Gradle
The recommended way to use the `gradle-build-action` is in an initial "Setup Gradle" step, with subsequent steps invoking Gradle directly with a `run` step. This makes the action minimally invasive, and allows a workflow to configure and execute a Gradle execution in any way.
The `gradle-build-action` works by configuring environment variables and by adding a set of Gradle init-scripts to the Gradle User Home. These will apply to all Gradle executions on the runner, no matter how Gradle is invoked.
This means that if you have an existing workflow that executes Gradle with a `run` step, you can add an initial "Setup Gradle" Step to benefit from caching, build-scan capture and other features of the gradle-build-action.
The following workflow will run `./gradlew build` using the wrapper from the repository on ubuntu, macos and windows. The only prerequisite is to have Java installed: you define the version of Java you need to run the build using the `actions/setup-java` action.
```yaml
# .github/workflows/gradle-build-pr.yml
name:Run Gradle on PRs
on:pull_request
jobs:
@@ -17,72 +35,31 @@ jobs:
os:[ubuntu-latest, macos-latest, windows-latest]
runs-on:${{ matrix.os }}
steps:
- uses:actions/checkout@v2
- uses:actions/setup-java@v1
- uses:actions/checkout@v4
- uses:actions/setup-java@v4
with:
distribution:temurin
java-version:11
- uses:gradle/gradle-build-action@v1
with:
arguments:build
- name:Setup Gradle
uses:gradle/gradle-build-action@v2
- name:Execute Gradle build
run:./gradlew build
```
## Gradle arguments
## Choose a specific Gradle version
The `arguments` input can used to pass arbitrary arguments to the `gradle` command line.
Here are some valid examples:
```yaml
arguments:build
arguments:check --scan
arguments:some arbitrary tasks
arguments:build -PgradleProperty=foo
arguments:build -DsystemProperty=bar
....
```
See `gradle --help` for more information.
If you need to pass environment variables, simply use the GitHub Actions workflow syntax:
The `gradle-build-action` can download and install a specified Gradle version, adding this installed version to the PATH.
Downloaded Gradle versions are stored in the GitHub Actions cache, to avoid requiring downloading again later.
```yaml
- uses:gradle/gradle-build-action@v1
env:
CI:true
```
## Run a build from a different directory
```yaml
- uses:gradle/gradle-build-action@v1
with:
build-root-directory:some/subdirectory
```
## Use a specific `gradle` executable
```yaml
- uses:gradle/gradle-build-action@v1
with:
gradle-executable:path/to/gradle
```
## Use a Gradle wrapper from a different directory
```yaml
- uses:gradle/gradle-build-action@v1
with:
gradle-executable:path/to/gradlew
```
## Setup and use a declared Gradle version
```yaml
- uses:gradle/gradle-build-action@v1
- uses:gradle/gradle-build-action@v2
with:
gradle-version:6.5
```
`gradle-version` can be set to any valid Gradle version.
The `gradle-version` parameter can be set to any valid Gradle version.
Moreover, you can use the following aliases:
@@ -94,10 +71,11 @@ Moreover, you can use the following aliases:
| `nightly` | The latest [nightly](https://gradle.org/nightly/), fails if none. |
| `release-nightly` | The latest [release nightly](https://gradle.org/release-nightly/), fails if none. |
This can be handy to, for example, automatically test your build with the next Gradle version once a release candidate is out:
This can be handy to automatically verify your build works with the latest release candidate of Gradle:
The actual Gradle version used is available as an action output: `gradle-version`.
```yaml
# .github/workflows/test-gradle-rc.yml
name:Test latest Gradle RC
on:
schedule:
@@ -106,92 +84,761 @@ jobs:
gradle-rc:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v2
- uses:actions/setup-java@v1
- uses:actions/checkout@v4
- uses:actions/setup-java@v4
with:
distribution:temurin
java-version:11
- uses:gradle/gradle-build-action@v1
- uses:gradle/gradle-build-action@v2
id:setup-gradle
with:
gradle-version:release-candidate
arguments:build --dry-run# just test build configuration
- run:gradle build --dry-run# just test build configuration
- run:echo "The release-candidate version was ${{ steps.setup-gradle.outputs.gradle-version }}"
```
## Caching
## Caching build state between Jobs
This action provides 3 levels of caching to help speed up your GitHub Actions:
The `gradle-build-action` will use the GitHub Actions cache to save and restore reusable state that may be speed up a subsequent build invocation. This includes most content that is downloaded from the internet as part of a build, as well as expensive to create content like compiled build scripts, transformed Jar files, etc.
-`distributions` caches any distributions downloaded to satisfy a `gradle-version` parameter ;
-`gradle-user-home` caches downloaded dependencies, wrapper distributions, and other stuff from the Gradle User home directory ;
-`project-dot-gradle` caches stored [configuration-cache](https://docs.gradle.org/nightly/userguide/configuration_cache.html) state, saving time configuring the build.
The state that is cached includes:
-Any distributions downloaded to satisfy a `gradle-version` parameter ;
-A subset of the Gradle User Home directory, including downloaded dependencies, wrapper distributions, and the local build cache ;
Each of these are enabled by default. To save caching space, you can disable any of them as follows:
To reduce the space required for caching, this action makes a best effort to reduce duplication in cache entries.
State will be restored from the cache during the first `gradle-build-action` step for any workflow job, and cache entries will be written back to the cache at the end of the job, after all Gradle executions have completed.
### Disabling caching
Caching is enabled by default. You can disable caching for the action as follows:
```yaml
cache-disabled:true
```
### Using the cache read-only
By default, the `gradle-build-action` will only write to the cache from Jobs on the default (`main`/`master`) branch.
Jobs on other branches will read entries from the cache but will not write updated entries.
See [Optimizing cache effectiveness](#optimizing-cache-effectiveness) for a more detailed explanation.
In some circumstances it makes sense to change this default, and to configure a workflow Job to read existing cache entries but not to write changes back.
You can configure read-only caching for the `gradle-build-action` as follows:
```yaml
distributions-cache-enabled:true
gradle-user-home-cache-enabled:true
project-dot-gradle-cache-enabled:true
cache-read-only:true
```
The distributions cache uses a cache key that is unique to the downloaded distribution. This will not change over time.
The `gradle-user-home` and `project-dot-gradle` caches compute a cache key based on the current commit and the Gradle invocation.
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.
By default, this action aims to cache any and all reusable state that may be speed up a subsequent build invocation.
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.
### Using the caches read-only
Cache storage space is limited for GitHub actions, and writing new cache entries can trigger the deletion of exising entries.
In some circumstances, it makes sense for a Gradle invocation to read any existing cache entries but not to write changes back.
For example, you may want to write cache entries for builds on your `main` branch, but not for any PR build invocations.
You can enable read-only caching for any of the caches asfollows:
You can also configure read-only caching only for certain branches:
```yaml
distributions-cache-enabled:read-only
gradle-user-home-cache-enabled:read-only
project-dot-gradle-cache-enabled:read-only
# Only write to the cache for builds on the 'main' and 'release' branches. (Default is 'main' only.)
# Builds on other branches will only read existing entries from the cache.
If your build publishes a [build scan](https://gradle.com/build-scans/) the `gradle-build-action` action will emit the link to the published build scan as an output named `build-scan-url`.
In certain circumstances it may be desirable to start with a clean Gradle User Home state, but to save that state at the end of a workflow Job:
You can then use that link in subsequent actions of your workflow.
```yaml
cache-write-only:true
```
### Overwriting an existing Gradle User Home
When the action detects that the Gradle User Home caches directory already exists (`~/.gradle/caches`), then by default it will not overwrite the existing content of this directory.
This can occur when a prior action initializes this directory, or when using a self-hosted runner that retains this directory between uses.
In this case the Job Summary will display a message like:
> Caching for gradle-build-action was disabled due to pre-existing Gradle User Home
If you want override the default and have the `gradle-build-action` caches overwrite existing content in the Gradle User Home, you can set the `cache-overwrite-existing` parameter to 'true':
```yaml
cache-overwrite-existing:true
```
### Saving configuration-cache data
When Gradle is executed with the [configuration-cache](https://docs.gradle.org/current/userguide/configuration_cache.html) enabled, the configuration-cache data is stored
in the project directory, at `<project-dir>/.gradle/configuration-cache`. Due to the way the configuration-cache works, [this file may contain stored credentials and other
secrets](https://docs.gradle.org/release-nightly/userguide/configuration_cache.html#config_cache:secrets), and this data needs to be encrypted in order to be safely stored in the GitHub Actions cache.
In order to benefit from configuration caching in your GitHub Actions workflow, you must:
- Execute your build with Gradle 8.6 or newer. This can be achieved directly, or via the Gradle Wrapper.
- Enable the configuration cache for your build.
- Generate a [valid Gradle encryption key](https://docs.gradle.org/8.6-rc-1/userguide/configuration_cache.html#config_cache:secrets:configuring_encryption_key) and save it as a [GitHub Actions secret](https://docs.github.com/en/actions/security-guides/using-secrets-in-github-actions).
- Provide the secret key via the `cache-encryption-key` action parameter.
When using `gradle-build-action` we recommend that you avoid using other mechanisms to save and restore the Gradle User Home.
Specifically:
- Avoid using `actions/cache` configured to cache the Gradle User Home, [as described in this example](https://github.com/actions/cache/blob/main/examples.md#java---gradle).
- Avoid using `actions/setup-java` with the `cache: gradle` option, [as described here](https://github.com/actions/setup-java#caching-gradle-dependencies).
Using either of these mechanisms may interfere with the caching provided by this action. If you choose to use a different mechanism to save and restore the Gradle User Home, you should disable the caching provided by this action, as described above.
### Cache debugging and analysis
A report of all cache entries restored and saved is printed to the Job Summary when saving the cache entries.
This report can provide valuable insight into how much cache space is being used.
It is possible to enable additional debug logging for cache operations. You do via the `GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED` environment variable:
```yaml
env:
GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED:true
```
Note that this setting will also prevent certain cache operations from running in parallel, further assisting with debugging.
## How Gradle User Home caching works
### Properties of the GitHub Actions cache
The GitHub Actions cache has some properties that present problems for efficient caching of the Gradle User Home.
- Immutable entries: once a cache entry is written for a key, it cannot be overwritten or changed.
- Branch scope: cache entries written for a Git branch are not visible from actions running against different branches. Entries written for the default branch are visible to all. https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#restrictions-for-accessing-a-cache
- Restore keys: if no exact match is found, a set of partial keys can be provided that will match by cache key prefix. https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#matching-a-cache-key
Each of these properties has influenced the design and implementation of the caching in `gradle-build-action`, as described below.
### Which content is cached
Using experiments and observations, we have attempted to identify which Gradle User Home content is worth saving and restoring between build invocations. We considered both the respective size of the content and the impact this content has on build times. As well as the obvious candidates like downloaded dependencies, we saw that compiled build scripts, transformed Jar files and other content can also have a significant impact.
In the end, we opted to save and restore as much content as is practical, including:
-`caches/<version>/generated-gradle-jars`: These files are generated on first use of a particular Gradle version, and are expensive to recreate
-`caches/<version>/kotlin-dsl` and `caches/<version>/scripts`: These are the compiled build scripts. The Kotlin ones in particular can benefit from caching.
-`caches/modules-2`: The downloaded dependencies
-`caches/transforms-3`: The results of artifact transforms
-`caches/jars-9`: Jar files that have been processed/instrumented by Gradle
-`caches/build-cache-1`: The local build cache
In certain cases a particular section of Gradle User Home will be too large to make caching effective. In these cases, particular subdirectories can be excluded from caching. See [Exclude content from Gradle User Home cache](#exclude-content-from-gradle-user-home-cache).
### Cache keys
The actual content of the Gradle User Home after a build is the result of many factors, including:
- The entire content of `buildSrc` or any included builds that provide plugins.
- The entire content of the repository, in the case of the local build cache.
- The actual build command that was invoked, including system properties and environment variables.
For this reason, it's very difficult to create a cache key that will deterministically map to a saved Gradle User Home state. So instead of trying to reliably hash all of these inputs to generate a cache key, the Gradle User Home cache key is based on the currently executing Job and the current commit hash for the repository.
The Gradle User Home cache key is composed of:
- The current operating system (`RUNNER_OS`)
- The workflow name and Job ID
- A hash of the Job matrix parameters
- The git SHA for the latest commit
Specifically, the cache key is: `${cache-protocol}-gradle|${runner-os}|${workflow-name}-${job-id}[${hash-of-job-matrix}]-${git-sha}`
As such, the cache key is likely to change on each subsequent run of GitHub actions.
This allows the most recent state to always be available in the GitHub actions cache.
### Finding a matching cache entry
In most cases, no exact match will exist for the cache key. Instead, the Gradle User Home will be restored for the closest matching cache entry, using a set of "restore keys". The entries will be matched with the following precedence:
- An exact match on OS, workflow name, job id, matrix and Git SHA
- The most recent entry saved for the same OS, workflow name, job id and matrix values
- The most recent entry saved for the same OS and job id
- The most recent entry saved for the same OS
Due to branch scoping of cache entries, the above match will be first performed for entries from the same branch, and then for the default ('main') branch.
After the Job is complete, the current Gradle User Home state will be collected and written as a new cache entry with the complete cache key. Old entries will be expunged from the GitHub Actions cache on a least-recently-used basis.
Note that while effective, this mechanism is not inherently efficient. It requires the entire Gradle User Home directory to be stored separately for each branch, for every OS+Job+Matrix combination. In addition, a new cache entry to be written on every GitHub Actions run.
This inefficiency is effectively mitigated by [Deduplication of Gradle User Home cache entries](#deduplication-of-gradle-user-home-cache-entries), and can be further optimized for a workflow using the techniques described in [Optimizing cache effectiveness](#optimizing-cache-effectiveness).
### Deduplication of Gradle User Home cache entries
To reduce duplication between cache entries, certain artifacts in Gradle User Home are extracted and cached independently based on their identity. This allows each Gradle User Home cache entry to be relatively small, sharing common elements between them without duplication.
Artifacts that are cached independently include:
- Downloaded dependencies
- Downloaded wrapper distributions
- Generated Gradle API jars
- Downloaded Java Toolchains
For example, this means that all jobs executing a particular version of the Gradle wrapper will share a single common entry for this wrapper distribution and one for each of the generated Gradle API jars.
### Stopping the Gradle daemon
By default, the action will stop all running Gradle daemons in the post-action step, prior to saving the Gradle User Home state.
This allows for any Gradle User Home cleanup to occur, and avoid file-locking issues on Windows.
If caching is disabled or the cache is in read-only mode, the daemon will not be stopped and will continue running after the job is completed.
## Optimizing cache effectiveness
Cache storage space for GitHub actions is limited, and writing new cache entries can trigger the deletion of existing entries.
Eviction of shared cache entries can reduce cache effectiveness, slowing down your `gradle-build-action` steps.
There are a number of actions you can take if your cache use is less effective due to entry eviction.
At the end of a Job, the `gradle-build-action` will write a summary of the Gradle builds executed, together with a detailed report of the cache entries that were read and written during the Job. This report can provide valuable insights that may help to determine the right way to optimize the cache usage for your workflow.
### Select which jobs should write to the cache
Consider a workflow that first runs a Job "compile-and-unit-test" to compile the code and run some basic unit tests, which is followed by a matrix of parallel "integration-test" jobs that each run a set of integration tests for the repository. Each "integration test" Job requires all of the dependencies required by "compile-and-unit-test", and possibly one or 2 additional dependencies.
By default, a new cache entry will be written on completion of each integration test job. If no additional dependencies were downloaded then this cache entry will share the "dependencies" entry with the "compile-and-unit-test" job, but if a single dependency was downloaded then an entire new "dependencies" entry would be written. (The `gradle-build-action` does not _yet_ support a layered cache that could do this more efficiently). If each of these "integration-test" entries with their different "dependencies" entries is too large, then it could result in other important entries being evicted from the GitHub Actions cache.
There are some techniques that can be used to avoid/mitigate this issue:
- Configure the "integration-test" jobs with `cache-read-only: true`, meaning that the Job will use the entry written by the "compile-and-unit-test" job. This will avoid the overhead of cache entries for each of these jobs, at the expense of re-downloading any additional dependencies required by "integration-test".
- Add an additional step to the "compile-and-unit-test" job which downloads all dependencies required by the integration-test jobs but does not execute the tests. This will allow the "dependencies" entry for "compile-and-unit-test" to be shared among all cache entries for "integration-test". The resulting "integration-test" entries should be much smaller, reducing the potential for eviction.
- Combine the above 2 techniques, so that no cache entry is written by "integration-test" jobs, but all required dependencies are already present from the restored "compile-and-unit-test" entry.
### Select which branches should write to the cache
GitHub cache entries are not shared between builds on different branches.
This means that each PR branch will have it's own Gradle User Home cache, and will not benefit from cache entries written by other PR branches.
An exception to this is that cache entries written in parent and upstream branches are visible to child branches, and cache entries for the default (`master`/`main`) branch can be read by actions invoked for any other branch.
By default, the `gradle-build-action` will only _write_ to the cache for builds run on the default (`master`/`main`) branch.
Jobs run on other branches will only read from the cache. In most cases, this is the desired behaviour,
because Jobs run against other branches will benefit from the cache Gradle User Home from `main`,
without writing private cache entries that could lead to evicting shared entries.
If you have other long-lived development branches that would benefit from writing to the cache,
you can configure these by overriding the `cache-read-only` action parameter.
See [Using the cache read-only](#using-the-cache-read-only) for more details.
Similarly, you could use `cache-read-only` for certain jobs in the workflow, and instead have these jobs reuse the cache content from upstream jobs.
### Exclude content from Gradle User Home cache
As well as any wrapper distributions, the action will attempt to save and restore the `caches` and `notifications` directories from Gradle User Home.
Each build is different, and some builds produce more Gradle User Home content than others.
[Cache debugging ](#cache-debugging-and-analysis) can provide insight into which cache entries are the largest,
and the contents to be cached can be fine tuned by including and excluding certain paths within Gradle User Home.
```yaml
# Cache downloaded JDKs in addition to the default directories.
gradle-home-cache-includes:|
caches
notifications
jdks
# Exclude the local build-cache and keyrings from the directories cached.
gradle-home-cache-excludes:|
caches/build-cache-1
caches/keyrings
```
You can specify any number of fixed paths or patterns to include or exclude.
File pattern support is documented at https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions#patterns-to-match-file-paths.
### Remove unused files from Gradle User Home before saving to cache
The Gradle User Home directory has a tendency to grow over time. When you switch to a new Gradle wrapper version or upgrade a dependency version
the old files are not automatically and immediately removed. While this can make sense in a local environment, in a GitHub Actions environment
it can lead to ever-larger Gradle User Home cache entries being saved and restored.
In order to avoid this situation, the `gradle-build-action` supports the `gradle-home-cache-cleanup` parameter.
When enabled, this feature will attempt to delete any files in the Gradle User Home that were not used by Gradle during the GitHub Actions workflow,
prior to saving the Gradle User Home to the GitHub Actions cache.
Gradle Home cache cleanup is considered experimental and is disabled by default. You can enable this feature for the action as follows:
```yaml
gradle-home-cache-cleanup:true
```
## Build reporting
The `gradle-build-action` collects information about any Gradle executions that occur in a workflow, including the root project,
requested tasks, build outcome and any Build Scan link generated. Details of cache entries read and written are also collected.
These details are compiled into a Job Summary, which is visible in the GitHub Actions UI.
Generation of a Job Summary is enabled by default for all Jobs using the `gradle-build-action`. This feature can be configured
so that a Job Summary is never generated, or so that a Job Summary is only generated on build failure:
```yaml
add-job-summary:'on-failure'# Valid values are 'always' (default), 'never', and 'on-failure'
```
### Adding Job Summary as a Pull Request comment
It is sometimes more convenient to view the results of a GitHub Actions Job directly from the Pull Request that triggered
the Job. For this purpose you can configure the action so that Job Summary data is added as a Pull Request comment.
```yaml
name:CI
on:
pull_request:
permissions:
pull-requests:write
jobs:
run-gradle-build:
runs-on:ubuntu-latest
steps:
- name:Checkout project sources
uses:actions/checkout@v4
- name:Setup Gradle
uses:gradle/gradle-build-action@v3
with:
add-job-summary-as-pr-comment:on-failure# Valid values are 'never' (default), 'always', and 'on-failure'
- run:./gradlew build --scan
```
Note that in order to add a Pull Request comment, the workflow must be configured with the `pull-requests: write` permission.
### Build Scan® link as Step output
As well as reporting all [Build Scan](https://gradle.com/build-scans/) links in the Job Summary,
the `gradle-build-action` action makes this link available an an output of any Step that executes Gradle.
The output name is `build-scan-url`. You can then use the build scan link in subsequent actions of your workflow.
### Saving arbitrary build outputs
By default, a GitHub Actions workflow using `gradle-build-action` will record the log output and any Build Scan
links for your build, but any output files generated by the build will not be saved.
To save selected files from your build execution, you can use the core [Upload-Artifact](https://github.com/actions/upload-artifact) action.
### Use of custom init-scripts in Gradle User Home
Note that the action collects information about Gradle invocations via an [Initialization Script](https://docs.gradle.org/current/userguide/init_scripts.html#sec:using_an_init_script)
located at `USER_HOME/.gradle/init.d/gradle-build-action.build-result-capture.init.gradle`.
If you are adding any custom init scripts to the `USER_HOME/.gradle/init.d` directory, it may be necessary to ensure these files are applied prior to `gradle-build-action.build-result-capture.init.gradle`.
Since Gradle applies init scripts in alphabetical order, one way to ensure this is via file naming.
## Support for GitHub Enterprise Server (GHES)
You can use the `gradle-build-action` on GitHub Enterprise Server, and benefit from the improved integration with Gradle. Depending on the version of GHES you are running, certain features may be limited:
- Build Scan links are captured and displayed in the GitHub Actions UI
- Easily run your build with different versions of Gradle
- Save/restore of Gradle User Home (requires GHES v3.5+ : GitHub Actions cache was introduced in GHES 3.5)
- Support for GitHub Actions Job Summary (requires GHES 3.6+ : GitHub Actions Job Summary support was introduced in GHES 3.6). In earlier versions of GHES the build-results summary and caching report will be written to the workflow log, as part of the post-action step.
# GitHub Dependency Graph support
The `gradle-build-action` has support for submitting a [GitHub Dependency Graph](https://docs.github.com/en/code-security/supply-chain-security/understanding-your-software-supply-chain/about-the-dependency-graph) snapshot via the [GitHub Dependency Submission API](https://docs.github.com/en/rest/dependency-graph/dependency-submission?apiVersion=2022-11-28).
The dependency graph snapshot is generated via integration with the [GitHub Dependency Graph Gradle Plugin](https://plugins.gradle.org/plugin/org.gradle.github-dependency-graph-gradle-plugin), and saved as a workflow artifact. The generated snapshot files can be submitted either in the same job, or in a subsequent job (in the same or a dependent workflow).
The generated dependency graph snapshot reports all of the dependencies that were resolved during a build execution, and is used by GitHub to generate [Dependabot Alerts](https://docs.github.com/en/code-security/dependabot/dependabot-alerts/about-dependabot-alerts) for vulnerable dependencies, as well as to populate the [Dependency Graph insights view](https://docs.github.com/en/code-security/supply-chain-security/understanding-your-software-supply-chain/exploring-the-dependencies-of-a-repository#viewing-the-dependency-graph).
## Enable Dependency Graph generation for a workflow
You enable GitHub Dependency Graph support by setting the `dependency-graph` action parameter. Valid values are:
| Option | Behaviour |
| --- | --- |
| `disabled` | Do not generate a dependency graph for any build invocations.<p>This is the default. |
| `generate` | Generate a dependency graph snapshot for each build invocation, saving as a workflow artifact. |
| `generate-and-submit` | As per `generate`, but any generated dependency graph snapshots will be submitted at the end of the job. |
| `download-and-submit` | Download any previously saved dependency graph snapshots, submitting them via the Dependency Submission API. This can be useful to collect all snapshots in a matrix of builds and submit them in one step. |
Example of a CI workflow that generates and submits a dependency graph:
```yaml
name:CI build
on:
push:
permissions:
contents:write
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate-and-submit
- name:Run the usual CI build (dependency-graph will be generated and submitted post-job)
run:./gradlew build
```
The `contents: write` permission is required in order to submit (but not generate) the dependency graph file.
Depending on [repository settings](https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token), this permission may be available by default or may need to be explicitly enabled in the workflow file (as above).
> [!IMPORTANT]
> The above configuration will work for workflows that run as a result of commits to a repository branch,
> but not when a workflow is triggered by a PR from a repository fork.
> This is because the `contents: write` permission is not available when executing a workflow
> for a PR submitted from a forked repository.
> For a configuration that supports this setup, see [Dependency Graphs for pull request workflows](#dependency-graphs-for-pull-request-workflows).
### Using a custom plugin repository
By default, the action downloads the `github-dependency-graph-gradle-plugin` from the Gradle Plugin Portal (https://plugins.gradle.org). If your GitHub Actions environment does not have access to this URL, you can specify a custom plugin repository to use.
Do so by setting the `GRADLE_PLUGIN_REPOSITORY_URL` environment variable with your Gradle invocation.
```yaml
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate-and-submit
- name:Run a build, resolving the 'dependency-graph' plugin from the plugin portal proxy
The GitHub [dependency-review-action](https://github.com/actions/dependency-review-action) helps you
understand dependency changes (and the security impact of these changes) for a pull request.
For the `dependency-review-action` to succeed, it must run _after_ the dependency graph has been submitted for a PR.
When using `generate-and-submit`, dependency graph files are submitted at the end of the job, after all steps have been
executed. For this reason, the `dependency-review-action` must be executed in a dependent job,
and not as a subsequent step in the job that generates the dependency graph.
Example of a pull request workflow that executes a build for a pull request and runs the `dependency-review-action`:
```yaml
name:PR check
on:
pull_request:
permissions:
contents:write
# Note that this permission will not be available if the PR is from a forked repository
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate-and-submit
- name:Run a build and generate the dependency graph which will be submitted post-job
run:./gradlew build
dependency-review:
needs:build
runs-on:ubuntu-latest
- name:Perform dependency review
uses:actions/dependency-review-action@v3
```
See [Dependency Graphs for pull request workflows](#dependency-graphs-for-pull-request-workflows) for a more complex
(and less functional) example that will work for pull requests submitted from forked repositories.
## Limiting the scope of the dependency graph
At times it is helpful to limit the dependencies reported to GitHub, in order to security alerts for dependencies that don't form a critical part of your product.
For example, a vulnerability in the tool you use to generate documentation is unlikely to be as important as a vulnerability in one of your runtime dependencies.
There are a number of techniques you can employ to limit the scope of the generated dependency graph:
- [Don't generate a dependency graph for all Gradle executions](#choosing-which-gradle-invocations-will-generate-a-dependency-graph)
- [For a Gradle execution, filter which Gradle projects and configurations will contribute dependencies](#filtering-which-gradle-configurations-contribute-to-the-dependency-graph)
- [Use a separate workflow that only resolves the required dependencies](#use-a-dedicated-workflow-for-dependency-graph-generation)
> [!NOTE]
> Ideally, all dependencies involved in building and testing a project will be extracted and reported in a dependency graph.
> These dependencies would be assigned to different scopes (eg development, runtime, testing) and the GitHub UI would make it easy to opt-in to security alerts for different dependency scopes.
> However, this functionality does not yet exist.
### Choosing which Gradle invocations will generate a dependency graph
Once you enable the dependency graph support for a workflow job (via the `dependency-graph` parameter), dependencies will be collected and reported for all subsequent Gradle invocations.
If you have a Gradle build step that you want to exclude from dependency graph generation, you can set the `GITHUB_DEPENDENCY_GRAPH_ENABLED` environment variable to `false`.
```yaml
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate-and-submit
- name:Build the app, generating a graph of dependencies required
run:./gradlew :my-app:assemble
- name:Run all checks, disabling dependency graph generation
run:./gradlew check
env:
GITHUB_DEPENDENCY_GRAPH_ENABLED:false
```
### Filtering which Gradle Configurations contribute to the dependency graph
If you do not want the dependency graph to include every dependency configuration in every project in your build, you can limit the
dependency extraction to a subset of these.
To restrict which Gradle subprojects contribute to the report, specify which projects to include via a regular expression.
You can provide this value via the `DEPENDENCY_GRAPH_INCLUDE_PROJECTS` environment variable or system property.
To restrict which Gradle configurations contribute to the report, you can filter configurations by name using a regular expression.
You can provide this value via the `DEPENDENCY_GRAPH_INCLUDE_CONFIGURATIONS` environment variable or system property.
For example, if you want to exclude dependencies in the `buildSrc` project, and only report on dependencies from the `runtimeClasspath` configuration,
you would use the following configuration:
```yaml
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate-and-submit
- name:Run a build, generating the dependency graph from any resolved 'runtimeClasspath' configurations
### Use a dedicated workflow for dependency graph generation
Instead of generating a dependency graph from your existing CI workflow, it's possible to create a separate dedicated workflow (or Job) that is intended for generating a dependency graph.
Such a workflow will still need to execute Gradle, but can do so in a way that is targeted at resolving the specific dependencies required.
For example, the following workflow will report those dependencies that are resolved in order to build the `distributionZip` for the `my-app` project. Test dependencies and other dependencies not required by the `distributionZip` will not be included.
```yaml
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate-and-submit
- name:Build the distribution Zip for `my-app`
run:./gradlew :my-app:distributionZip
```
Note that the above example will also include any `buildSrc` dependencies, dependencies resolved when configuring your Gradle build or dependencies resolved while applying plugin. All of these dependencies are resolved in the process of running the `distributionZip` task, and thus will form part of the generated dependency graph.
If this isn't desirable, you will still need to use the filtering mechanism described above.
## Dependency Graphs for pull request workflows
This `contents: write` permission is not available for any workflow that is triggered by a pull request submitted from a forked repository, since it would permit a malicious pull request to make repository changes.
Because of this restriction, it is not possible to `generate-and-submit` a dependency graph generated for a pull-request that comes from a repository fork. In order to do so, 2 workflows will be required:
1. The first workflow runs directly against the pull request sources and will generate the dependency graph snapshot.
2. The second workflow is triggered on `workflow_run` of the first workflow, and will submit the previously saved dependency snapshots.
Note: when `download-and-submit` is used in a workflow triggered via [workflow_run](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#workflow_run), the action will download snapshots saved in the triggering workflow.
***Main workflow file***
```yaml
name:run-build-and-generate-dependency-snapshot
on:
pull_request:
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle to generate and submit dependency graphs
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate# Only generate in this job
- name:Run a build, generating the dependency graph snapshot which will be submitted
- name:Retrieve dependency graph artifact and submit
uses:gradle/gradle-build-action@v2
with:
dependency-graph:download-and-submit
```
### Integrating `dependency-review-action` for pull request workflows
The GitHub [dependency-review-action](https://github.com/actions/dependency-review-action) helps you
understand dependency changes (and the security impact of these changes) for a pull request.
To integrate the `dependency-review-action` into the pull request workflows above, a separate workflow should be added.
This workflow will be triggered directly on `pull_request`, but will need to wait until the dependency graph results are
submitted before the dependency review can complete. How long to wait is controlled by the `retry-on-snapshot-warnings` input parameters.
Here's an example of a separate "Dependency Review" workflow that will wait for 10 minutes for the PR check workflow to complete.
```yaml
name:dependency-review
on:
pull_request:
permissions:
contents:read
pull-requests:write
jobs:
dependency-review:
runs-on:ubuntu-latest
steps:
- name:'Dependency Review'
uses:actions/dependency-review-action@v3
with:
retry-on-snapshot-warnings:true
retry-on-snapshot-warnings-timeout:600
```
The `retry-on-snapshot-warnings-timeout` (in seconds) needs to be long enough to allow the entire `run-build-and-generate-dependency-snapshot` and `submit-dependency-snapshot` workflows (above) to complete.
## Gradle version compatibility
The GitHub Dependency Graph plugin should be compatible with all versions of Gradle >= 5.0, and has been tested against
Gradle versions "5.6.4", "6.9.4", "7.0.2", "7.6.2", "8.0.2" and the current Gradle release.
The plugin is compatible with running Gradle with the configuration-cache enabled. However, this support is
limited to Gradle "8.1.0" and later:
- With Gradle "8.0", the build should run successfully, but an empty dependency graph will be generated.
- With Gradle <= "7.6.4", the plugin will cause the build to fail with configuration-cache enabled.
To use this plugin with versions of Gradle older than "8.1.0", you'll need to invoke Gradle with the
configuration-cache disabled.
## Reducing storage costs for saved dependency graph artifacts
When `generate` or `generate-and-submit` is used with the action, the dependency graph that is generated is stored as a workflow artifact.
By default, these artifacts are retained for a period of 30 days (or as configured for the repository).
To reduce storage costs for these artifacts, you can set the `artifact-retention-days` value to a lower number.
```yaml
steps:
- name:Generate dependency graph, but only retain artifact for one day
uses:gradle/gradle-build-action@v2
with:
dependency-graph:generate
artifact-retention-days:1
```
# Gradle Enterprise plugin injection
The `gradle-build-action` provides support for injecting and configuring the Gradle Enterprise Gradle plugin into any Gradle build, without any modification to the project sources.
This is achieved via an init-script installed into Gradle User Home, which is enabled and parameterized via environment variables.
The same auto-injection behavior is available for the Common Custom User Data Gradle plugin, which enriches any build scans published with additional useful information.
## Enabling Gradle Enterprise injection
In order to enable Gradle Enterprise for your build, you must provide the required configuration via environment variables.
Here's a minimal example:
```yaml
name:Run build with Gradle Enterprise injection
env:
GRADLE_ENTERPRISE_INJECTION_ENABLED:true
GRADLE_ENTERPRISE_URL:https://ge.gradle.org
GRADLE_ENTERPRISE_PLUGIN_VERSION:3.16.1
GRADLE_ENTERPRISE_ACCESS_KEY:${{ secrets.GE_ACCESS_KEY }}# Required to publish scans to ge.gradle.org
jobs:
build:
runs-on:ubuntu-latest
steps:
- uses:actions/checkout@v4
- name:Setup Gradle
uses:gradle/gradle-build-action@v2
- name:Run a Gradle build with Gradle Enterprise injection enabled
run:./gradlew build
```
This configuration will automatically apply `v3.16.1` of the [Gradle Enterprise Gradle plugin](https://docs.gradle.com/enterprise/gradle-plugin/), and publish build scans to https://ge.gradle.org.
Note that the `ge.gradle.org` server requires authentication in order to publish scans. The provided `GRADLE_ENTERPRISE_ACCESS_KEY` isn't required by the Gradle Enterprise injection script,
but will be used by the GE plugin in order to authenticate with the server.
## Configuring Gradle Enterprise injection
The `init-script` supports a number of additional configuration parameters that you may fine useful. All configuration options (required and optional) are detailed below:
| GRADLE_ENTERPRISE_URL | :white_check_mark: | the URL of the Gradle Enterprise server |
| GRADLE_ENTERPRISE_ALLOW_UNTRUSTED_SERVER | | allow communication with an untrusted server; set to _true_ if your Gradle Enterprise instance is using a self-signed certificate |
| GRADLE_ENTERPRISE_ENFORCE_URL | | enforce the configured Gradle Enterprise URL over a URL configured in the project's build; set to _true_ to enforce publication of build scans to the configured Gradle Enterprise URL |
| GRADLE_ENTERPRISE_PLUGIN_VERSION | :white_check_mark: | the version of the [Gradle Enterprise Gradle plugin](https://docs.gradle.com/enterprise/gradle-plugin/) to apply |
| GRADLE_ENTERPRISE_CCUD_PLUGIN_VERSION | | the version of the [Common Custom User Data Gradle plugin](https://github.com/gradle/common-custom-user-data-gradle-plugin) to apply, if any |
| GRADLE_ENTERPRISE_PLUGIN_REPOSITORY_URL | | the URL of the repository to use when resolving the GE and CCUD plugins; the Gradle Plugin Portal is used by default |
## Publishing to scans.gradle.com
Gradle Enterprise injection is designed to enable publishing of build scans to a Gradle Enterprise instance,
and is not suitable for publishing to the public Build Scans instance (https://scans.gradle.com).
In order to publish Build Scans to scans.gradle.com, you need to:
- Apply the Gradle Enterprise plugin to your build configuration ([see docs](https://docs.gradle.com/enterprise/get-started/#applying_the_plugin))
- Programmatically accept the Terms of Service for scans.gradle.com ([see docs](https://docs.gradle.com/enterprise/gradle-plugin/#connecting_to_scans_gradle_com))
- Execute the build with `--scan` or configure your build with `publishAlways()` ([see docs](https://docs.gradle.com/enterprise/get-started/#always_publishing_a_build_scan))
When 'true', entries will not be restored from the cache but will be saved at the end of the Job.
Setting this to 'true' implies cache-read-only will be 'false'.
required:false
default:false
cache-overwrite-existing:
description:When 'true', a pre-existing Gradle User Home will not prevent the cache from being restored.
required:false
default:false
cache-encryption-key:
description:|
A base64 encoded AES key used to encrypt the configuration-cache data. The key is exported as 'GRADLE_ENCRYPTION_KEY' for later steps.
A suitable key can be generated with `openssl rand -base64 16`.
Configuration-cache data will not be saved/restored without an encryption key being provided.
required:false
gradle-home-cache-includes:
description:Paths within Gradle User Home to cache.
required:false
default:|
caches
notifications
gradle-home-cache-excludes:
description:Paths within Gradle User Home to exclude from cache.
required:false
# e.g. Use the following setting to prevent the local build cache from being saved/restored
# gradle-home-cache-excludes: |
# caches/build-cache-1
gradle-home-cache-cleanup:
description:When 'true', the action will attempt to remove any stale/unused entries from the Gradle User Home prior to saving to the GitHub Actions cache.
required:false
default:false
add-job-summary:
description:Specifies when a Job Summary should be inluded in the action results. Valid values are 'never', 'always' (default), and 'on-failure'.
required:false
default:'always'
add-job-summary-as-pr-comment:
description:Specifies when each Job Summary should be added as a PR comment. Valid values are 'never' (default), 'always', and 'on-failure'. No action will be taken if the workflow was not triggered from a pull request.
required:false
default:'never'
dependency-graph:
description:Specifies if a GitHub dependency snapshot should be generated for each Gradle build, and if so, how. Valid values are 'disabled' (default), 'generate', 'generate-and-submit', 'generate-and-upload' and 'download-and-submit'.
required:false
default:'disabled'
artifact-retention-days:
description:Specifies the number of days to retain any artifacts generated by the action. If not set, the default retention settings for the repository will apply.
required:false
# DEPRECATED ACTION INPUTS
arguments:
description:Gradle command line arguments (supports multi-line input)
required:false
deprecation-message:Using the action to execute Gradle directly is deprecated in favor of using the action to setup Gradle, and executing Gradle in a subsequent Step. See https://github.com/gradle/gradle-build-action?tab=readme-ov-file#use-the-action-to-setup-gradle.
build-root-directory:
description:Path to the root directory of the build. Default is the root of the GitHub workspace.
required:false
deprecation-message:Using the action to execute Gradle directly is deprecated in favor of using the action to setup Gradle, and executing Gradle in a subsequent Step. See https://github.com/gradle/gradle-build-action?tab=readme-ov-file#use-the-action-to-setup-gradle.
gradle-executable:
description:Path to the Gradle executable. If specified, this executable will be added to the PATH and used for invoking Gradle.
required:false
deprecation-message:Using the action to execute Gradle directly is deprecated in favor of using the action to setup Gradle, and executing Gradle in a subsequent Step. See https://github.com/gradle/gradle-build-action?tab=readme-ov-file#use-the-action-to-setup-gradle.
generate-job-summary:
description:When 'false', no Job Summary will be generated for the Job.
required:false
default:true
deprecation-message:Superceded by the new 'add-job-summary' and 'add-job-summary-as-pr-comment' parameters.
# EXPERIMENTAL & INTERNAL ACTION INPUTS
# The following action properties allow fine-grained tweaking of the action caching behaviour.
# These properties are experimental and not (yet) designed for production use, and may change without notice in a subsequent release of `gradle-build-action`.
# Use at your own risk!
gradle-home-cache-strict-match:
description:When 'true', the action will not attempt to restore the Gradle User Home entries from other Jobs.
required:false
default:false
workflow-job-context:
description:Used to uniquely identify the current job invocation. Defaults to the matrix values for this job; this should not be overridden by users.
description:Used to uniquely identify the current job invocation. Defaults to the matrix values for this job; this should not be overridden by users (INTERNAL).
required:false
default:${{ toJSON(matrix) }}
github-token:
description:The GitHub token used to authenticate when submitting via the Dependency Submission API.
default:${{ github.token }}
required:false
outputs:
build-scan-url:
description:Link to the build scan if any
description:Link to the Build Scan® generated by a Gradle build. Note that this output applies to a Step executing Gradle, not to the `gradle-build-action` Step itself.
dependency-graph-file:
description:Path to the GitHub Dependency Graph snapshot file generated by a Gradle build. Note that this output applies to a Step executing Gradle, not to the `gradle-build-action` Step itself.
gradle-version:
description:Version of Gradle that was setup by the action
Some files were not shown because too many files have changed in this diff
Show More
Reference in New Issue
Block a user
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
