mirror of
https://github.com/ruby/setup-ruby.git
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91 lines
2.2 KiB
Markdown
91 lines
2.2 KiB
Markdown
# use-ruby
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This action downloads a prebuilt ruby and adds it to `$PATH`.
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It currently supports the latest stable versions of MRI, JRuby and TruffleRuby.
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See https://github.com/eregon/ruby-install-builder/blob/metadata/versions.json
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for the available Ruby versions.
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The action works for the `ubuntu-16.04`, `ubuntu-18.04` and `macos-latest` GitHub-hosted runners.
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`windows-latest` is not yet supported.
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The prebuilt rubies are generated by https://github.com/eregon/ruby-install-builder.
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## Usage
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### Single Job
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```yaml
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name: My workflow
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on: [push]
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- uses: eregon/use-ruby-action@master
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with:
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ruby-version: ruby-2.6.5
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- run: ruby -v
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```
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### Matrix
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```yaml
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name: My workflow
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on: [push]
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jobs:
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test:
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strategy:
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fail-fast: false
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matrix:
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os: [ 'ubuntu-latest', 'macos-latest' ]
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ruby: [ 'ruby-2.6.5', 'ruby-2.7.0', 'truffleruby-19.3.0', 'jruby-9.2.9.0' ]
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runs-on: ${{ matrix.os }}
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steps:
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- uses: actions/checkout@v2
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- uses: eregon/use-ruby-action@master
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with:
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ruby-version: ${{ matrix.ruby }}
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- run: ruby -v
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```
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If a specific version is not given, it uses the latest stable release of that implementation.
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For instance `truffleruby` is currently the same as `truffleruby-19.3.0`.
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If it's just a version number (e.g., `2.6.5`), then MRI is assumed (same as `ruby-2.6.5`).
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### All Stable Versions
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With that, we can test on all stable releases of MRI, JRuby and TruffleRuby with:
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```yaml
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name: My workflow
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on: [push]
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jobs:
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test:
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strategy:
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fail-fast: false
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matrix:
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os: [ 'ubuntu-latest', 'macos-latest' ]
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ruby: [ '2.4.9', '2.5.7', '2.6.5', '2.7.0', 'truffleruby', 'jruby' ]
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runs-on: ${{ matrix.os }}
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steps:
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- uses: actions/checkout@v2
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- uses: eregon/use-ruby-action@master
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with:
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ruby-version: ${{ matrix.ruby }}
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- run: ruby -v
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```
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## Efficiency
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It takes about 5 seconds to setup the given Ruby.
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## Limitations
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* Currently does not work on Windows since the builder doesn't build on Windows.
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https://github.com/MSP-Greg/actions-ruby is an alternative on Windows.
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* This action currently only works with GitHub-hosted runners, not private runners.
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