name: 'Tests on Windows: `nvm install`'

on: [pull_request, push]

permissions:
  contents: read

env:
  NVM_INSTALL_GITHUB_REPO: ${{ github.repository }}
  NVM_INSTALL_VERSION: ${{ github.sha }}

jobs:
  msys_fail_install:
    # Default installation does not work due to npm_config_prefix set to C:\npm\prefix
    permissions:
      contents: none
    name: 'MSYS fail prefix nvm install'
    runs-on: windows-latest
    steps:
      - name: Retrieve nvm
        shell: bash
        run: |
          curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | METHOD=script bash
          . "$HOME/.nvm/nvm.sh"
          ! nvm install --lts

  msys_matrix:
    permissions:
      contents: none
    name: 'MSYS nvm install'
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        npm-node-version:
          - '--lts'
          - '--default 12'
          - '--no-progress 10'
    steps:
      - name: Retrieve nvm
        shell: bash
        run: |
          unset npm_config_prefix
          if [ "${{ matrix.npm-node-version }}" = "--lts" ]; then
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | bash
          else
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | METHOD=script bash
          fi
          . "$HOME/.nvm/nvm.sh"
          nvm install ${{ matrix.npm-node-version }}

  cygwin_matrix:
    continue-on-error: true
    permissions:
      contents: none
    name: 'Cygwin nvm install'
    runs-on: windows-latest
    steps:
      - name: Install Cygwin
        shell: bash
        run: |
          export SITE='https://mirror.clarkson.edu/cygwin/' # see https://archlinux.org/mirrors/clarkson.edu/1603/ for uptime status
          export SITE='https://mirrors.kernel.org/sourceware/cygwin/'
          export LOCALDIR="$(pwd)"
          export ROOTDIR="$USERPROFILE\\cygwin"
          export PACKAGES='bash,git,curl'

          curl -fsSLo setup-x86_64.exe 'https://cygwin.com/setup-x86_64.exe'
          ./setup-x86_64.exe --disable-buggy-antivirus -q -s "$SITE" -l "$LOCALDIR" -R "$ROOTDIR" -P "$PACKAGES"

          cat >~/setup.sh <<EOM
            unset npm_config_prefix
            export NVM_INSTALL_GITHUB_REPO="$NVM_INSTALL_GITHUB_REPO"
            export NVM_INSTALL_VERSION="$NVM_INSTALL_VERSION"
            export HOME="$(cygpath -u "$USERPROFILE")"

            echo "HOME is $HOME"
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | bash
            ls -l $HOME/.nvm
            . "$HOME/.nvm/nvm.sh"
            nvm install --lts

            nvm deactivate
            rm -rf "$HOME/.nvm/nvm.sh"

            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | METHOD=script bash
            . "$HOME/.nvm/nvm.sh"
            nvm install 9
          EOM
      - name: Retrieve nvm
        shell: cmd
        run: |
          cd %USERPROFILE%\cygwin\bin
          bash.exe "%USERPROFILE%\setup.sh"

  wsl_matrix:
    permissions:
      contents: none
    continue-on-error: true
    name: 'WSL nvm install'
    defaults:
      run:
          shell: wsl-bash {0}
    runs-on: windows-latest
    env:
      WSLENV: NVM_INSTALL_GITHUB_REPO:NVM_INSTALL_VERSION:/p
    strategy:
      fail-fast: false
      matrix:
        # each line gets a pin, plus the newest setup-wsl offers for it; the
        # newest only moves when the action's major does, so bumping the `uses:`
        # ref below is what keeps this current
        wsl-distrib:
          - Debian-12
          - Debian-13
        # - Alpine-3.17 # fails
          - Ubuntu-20.04
          - Ubuntu-24.04
          - Ubuntu-18.04
        npm-node-version:
          - '--lts'
          - '21'
          - '18'
          - '16'
          - '14'
          - '12'
          - '10'
        exclude:
          - wsl-distrib: Ubuntu-18.04
            npm-node-version: '--lts'
          - wsl-distrib: Ubuntu-18.04
            npm-node-version: '21'
          - wsl-distrib: Ubuntu-18.04
            npm-node-version: '18'
          # node v24+ doesn't work on WSL1 (exec format error)
          - wsl-distrib: Debian-12
            npm-node-version: '--lts'
          - wsl-distrib: Debian-13
            npm-node-version: '--lts'
          - wsl-distrib: Ubuntu-20.04
            npm-node-version: '--lts'
          - wsl-distrib: Ubuntu-24.04
            npm-node-version: '--lts'
        method:
          - ''
          - 'script'
    steps:
      # For Ubuntu: install with packages directly
      - if: ${{ !startsWith(matrix.wsl-distrib, 'Debian') }}
        uses: Vampire/setup-wsl@v7
        with:
          distribution: ${{ matrix.wsl-distrib }}
          additional-packages: bash git curl ca-certificates wget

      # For Debian, install without packages: `additional-packages` would run
      # `apt-get update` before we get to fix up sources.list
      # see https://github.com/Vampire/setup-wsl/issues/76
      - if: ${{ startsWith(matrix.wsl-distrib, 'Debian') }}
        uses: Vampire/setup-wsl@v7
        with:
          distribution: ${{ matrix.wsl-distrib }}
      # Debian's mirror layout shifts as a release ages out of LTS: main moves to
      # archive.debian.org, and the security suite is both renamed and moved, on
      # its own schedule. Offer every layout and let `apt-get update` discard the
      # ones that 404, so this needs no edits as the image's release ages.
      - if: ${{ startsWith(matrix.wsl-distrib, 'Debian') }}
        name: 'Point apt at whichever mirrors still carry this release'
        shell: 'wsl-bash {0}'
        run: |
          codename="$(. /etc/os-release && printf '%s' "${VERSION_CODENAME-}")"
          if [ -z "${codename}" ]; then
            echo 'no VERSION_CODENAME in /etc/os-release' >&2
            exit 1
          fi
          # Debian 13 moved to deb822; drop both formats so what we write is the
          # only thing apt reads, whichever release is pinned
          rm -f /etc/apt/sources.list.d/*.list /etc/apt/sources.list.d/*.sources
          {
            echo "deb http://deb.debian.org/debian ${codename} main"
            echo "deb http://archive.debian.org/debian ${codename} main"
            echo "deb http://security.debian.org/debian-security ${codename}-security main"
            echo "deb http://archive.debian.org/debian-security ${codename}-security main"
            echo "deb http://archive.debian.org/debian-security ${codename}/updates main"
          } >/etc/apt/sources.list
          cat /etc/apt/sources.list
      - if: ${{ startsWith(matrix.wsl-distrib, 'Debian') }}
        name: 'Install packages with retries'
        shell: 'wsl-bash {0}'
        run: |
          retry() {
            local n=0
            local max=3
            local delay=5
            while true; do
              "$@" && break || {
                n=$((n+1))
                if [ $n -lt $max ]; then
                  echo "Command failed. Attempt $n/$max. Retrying in $delay seconds..."
                  sleep $delay
                else
                  echo "Command failed after $max attempts."
                  return 1
                fi
              }
            done
          }
          packages=(bash git curl ca-certificates wget)
          retry apt-get update || true
          if ! retry apt-get install --yes "${packages[@]}"; then
            # a security index can outlive the pool objects it advertises, which
            # no retry resolves; main is complete once a release is archived
            sed -i '/debian-security/d' /etc/apt/sources.list
            retry apt-get update || true
            retry apt-get install --yes "${packages[@]}"
          fi

      - name: Retrieve nvm on WSL
        run: |
          if [ -z "${{ matrix.method }}" ]; then
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | bash
          else
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | METHOD="${{matrix.method}}" bash
          fi
          . "$HOME/.nvm/nvm.sh"
          nvm install ${{ matrix.npm-node-version }}
          node -v

  wsl_matrix_unofficial:
    permissions:
      contents: none
    continue-on-error: true
    name: 'WSL nvm install'
    defaults:
      run:
          shell: wsl-bash {0}
    runs-on: windows-latest
    env:
      WSLENV: NVM_INSTALL_GITHUB_REPO:NVM_INSTALL_VERSION:/p
      NVM_NODEJS_ORG_MIRROR: https://unofficial-builds.nodejs.org/download/release
    strategy:
      fail-fast: false
      matrix:
        wsl-distrib:
          - Alpine-3.17
          - Alpine-3.23
        npm-node-version:
          - '--lts'
          - '21'
          - '18'
          - '16'
          - '14'
          - '12'
          - '11'
          - '10'
        method:
          - ''
          - 'script'
    steps:
      - uses: Vampire/setup-wsl@v7
        with:
          distribution: ${{ matrix.wsl-distrib }}
          additional-packages: bash git curl ca-certificates wget

      - name: Retrieve nvm on WSL
        run: |
          if [ -z "${{ matrix.method }}" ]; then
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | bash
          else
            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | METHOD="${{matrix.method}}" bash
          fi
          . "$HOME/.nvm/nvm.sh"
          NVM_NODEJS_ORG_MIRROR=${{ env.NVM_NODEJS_ORG_MIRROR }} nvm install ${{ matrix.npm-node-version }}

  nvm_windows:
    name: 'tests, on windows'
    permissions:
      contents: none
    needs: [wsl_matrix, wsl_matrix_unofficial, cygwin_matrix, msys_matrix, msys_fail_install]
    runs-on: ubuntu-latest
    steps:
      - run: true