ci.yml

on:
  pull_request:
  push:
    branches:
      - main
  workflow_dispatch:

name: continuous-integration

defaults:
  run:
    shell: bash

jobs:
  tests:
    strategy:
      fail-fast: true
      matrix:
        platform: [windows-latest, macos-latest, ubuntu-20.04]

    runs-on: ${{ matrix.platform }}

    steps:
      - uses: actions/checkout@v3

      - name: Set platform-specific variables
        run: |
          if [ "${{ runner.os }}" = "Linux" ]; then
            echo "ARCH=x86_64-linux-gnu-full" >> $GITHUB_ENV
            echo "EXT=tar.gz" >> $GITHUB_ENV
            echo "NU_BIN=nu" >> $GITHUB_ENV
            echo "NUPM=$HOME/nupm" >> $GITHUB_ENV
          elif [ "${{ runner.os }}" = "Windows" ]; then
            echo "ARCH=x86_64-pc-windows-msvc" >> $GITHUB_ENV
            echo "EXT=zip" >> $GITHUB_ENV
            echo "NU_BIN=nu.exe" >> $GITHUB_ENV
            # NOTE: for some reason, `$HOME` gives an incorrect path on Windows, e.g. it looks like
            # `/c/Users/runneradmin` where it should really be `c:\Users\runneradmin`: this commands
            # changes the `/` into `\` and replaces the first part of the path with "x:\"
            echo "NUPM=$(echo $HOME | tr '/' '\\' | sed 's/^\\\(.\)\\/\1:\\/')/nupm" >> $GITHUB_ENV
          elif [ "${{ runner.os }}" = "macOS" ]; then
            echo "ARCH=x86_64-apple-darwin" >> $GITHUB_ENV
            echo "EXT=tar.gz" >> $GITHUB_ENV
            echo "NU_BIN=nu" >> $GITHUB_ENV
            echo "NUPM=$HOME/nupm" >> $GITHUB_ENV
          fi

      - name: Install Nushell from Nightly
        run: |
          tarball=$(\
            curl -L https://api.github.com/repos/nushell/nightly/releases \
                | jq 'sort_by(.published_at) | reverse | .[0].assets'\
                | jq '.[] | select(.name | test("${{ env.ARCH }}.${{ env.EXT }}")) | {name, browser_download_url}'\
            )
          name=$(echo $tarball | jq '.name' | tr -d '"' | sed 's/.${{ env.EXT }}$//')
          url=$(echo $tarball | jq '.browser_download_url' | tr -d '"')

          curl -fLo $name $url

          if [ "${{ env.EXT }}" = "tar.gz" ]; then
            tar xvf $name --directory /tmp
          elif [ "${{ env.EXT }}" = "zip" ]; then
            unzip $name -d "/tmp/$name"
          fi
          cp "/tmp/$name/${{ env.NU_BIN }}" "$HOME/${{ env.NU_BIN }}"

      - name: Install Nupm from Source
        run: git clone https://github.com/nushell/nupm "${{ env.NUPM }}"

      - name: Show Nushell Version
        run: |
          "$HOME/${{ env.NU_BIN }}" --commands "version"

      - name: Run the tests
        run: |
          "$HOME/${{ env.NU_BIN }}" --commands "use ${{ env.NUPM }}/nupm/; nupm test"