gradle-build-action/README.md
2019-09-21 16:01:53 +02:00

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# Execute Gradle commands in Github Actions workflows
This Github Action can be used to run arbitrary Gradle commands on any platform supported by Github Actions.
## Usage
The following workflow will run `gradle build` using the wrapper from the repository on ubuntu, macos and windows:
```yaml
// .github/workflows/gradle-build-pr.yml
name: Run Gradle on PRs
on: pull-request
jobs:
gradle:
strategy:
matrix:
os: [ubuntu-latest, macos-latest, windows-latest]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v1
- uses: actions/setup-java@v1
with:
java-version: 11
- uses: eskatos/gradle-command-action@v1
with:
arguments: build
```
## Gradle arguments
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:
```yaml
- uses: eskatos/gradle-command-action@v1
env:
CI: true
```
## Run a build from a different directory
```yaml
- uses: eskatos/gradle-command-action@v1
with:
build-root-directory: some/subdirectory
```
## Use a Gradle wrapper from a different directory:
```yaml
- uses: eskatos/gradle-command-action@v1
with:
wrapper-directory: path/to/wrapper-directory
```
## Use a specific `gradle` executable
```yaml
- uses: eskatos/gradle-command-action@v1
with:
gradle-executable: path/to/gradle
```
## Setup and use a declared Gradle version:
```yaml
- uses: eskatos/gradle-command-action@v1
with:
gradle-version: 5.6.2
```
`gradle-version` can be set to any valid Gradle version.
Moreover, you can use the following aliases:
| Alias | Selects |
| --- |---|
| `current` | The current [stable release](https://gradle.org/install/) |
| `rc` | The current [release candidate](https://gradle.org/release-candidate/) if any, otherwise fallback to `current` |
| `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 automatically test your build with the next Gradle version once a release candidate is out:
```yaml
// .github/workflows/test-gradle-rc.yml
name: Test latest Gradle RC
on:
schedule:
- cron: 0 0 * * * # daily
jobs:
gradle-rc:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v1
- uses: actions/setup-java@v1
with:
java-version: 11
- uses: eskatos/gradle-command-action@v1
with:
gradle-version: rc
arguments: build --dry-run # just test build configuration
```
# Build scans
If your build publishes a [build scan](https://gradle.com/build-scans/) the `gradle-command-action` action will emit the link to the published build scan as an output named `build-scan-url`.
You can then use that link in subsequent actions of your workflow.