Trouble installing Swift in GitHub Actions Ubuntu

Question

I'm unable to successfully install and run Swift on GitHub Actions on Ubuntu.

Here's my Actions code:

name: SwiftPlot Ubuntu

on:
  push:
    branches: master
  pull_request:

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - name: Install Freetype
      run: sudo apt-get install libfreetype6-dev
    - name: Install Swift Dependencies
      run: sudo apt-get install clang libicu-dev
    - name: Download Swift
      run: wget "https://swift.org/builds/swift-5.1.3-release/ubuntu1804/swift-5.1.3-RELEASE/swift-5.1.3-RELEASE-ubuntu18.04.tar.gz"
    - name: Install Swift
      run: |
        tar xzf swift-5.1.3-RELEASE-ubuntu18.04.tar.gz
        export PATH=$(pwd)/swift-5.1.3-RELEASE-ubuntu18.04/usr/bin:"${PATH}"
    - name: Build
      run: swift build -v
    - name: Run tests
      run: swift test -v

But it's unable to find swift. Any idea why this is happening?

peterevans · Accepted Answer · 2020-01-28 00:26:59Z

1

Setting environment variables with export does not work in GitHub Actions. There is a special function you can use to add a path instead.

See the documentation for add-path here.

    - name: Install Swift
      run: |
        tar xzf swift-5.1.3-RELEASE-ubuntu18.04.tar.gz
        echo "::add-path::$(pwd)/swift-5.1.3-RELEASE-ubuntu18.04/usr/bin"

answered Jan 28, 2020 at 0:26

peterevans

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