[New] maybe support Windows with WSL, MSYS, Cygwin

.github/workflows/windows-npm.yml

@@ -0,0 +1,106 @@
+name: 'Tests on Windows: `nvm install`'
+
+on: [pull_request, push]
+
+env:
+  NVM_INSTALL_GITHUB_REPO: ${{ github.repository }}
+  NVM_INSTALL_VERSION: ${{ github.sha }}
+
+jobs:
+  node_fail_install:
+    # Default installation does not work due to npm_config_prefix set to C:\npm\prefix
+    name: 'MSYS fail prefix nvm install'
+    runs-on: windows-latest
+    steps:
+      - name: Retrieve nvm
+        shell: bash
+        run: |
+          curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | METHOD=script bash
+          . "$HOME/.nvm/nvm.sh"
+          ! nvm install --lts
+  nodes:
+    name: 'MSYS nvm install'
+    runs-on: windows-latest
+    strategy:
+      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 ${{ matrix.npm-node-version }}
+  node_cygwin:
+    name: 'Cygwin nvm install'
+    runs-on: windows-latest
+    steps:
+      - name: Install Cygwin
+        shell: bash
+        run: |
+          export SITE='https://mirror.clarkson.edu/cygwin/'
+          export LOCALDIR="$(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="$NVM_INSTALL_VERSION"
+
+            curl -fsSLo- "https://raw.githubusercontent.com/${NVM_INSTALL_GITHUB_REPO}/${NVM_INSTALL_VERSION}/install.sh" | bash
+            . "$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_nodes:
+    name: 'WSL nvm install'
+    runs-on: windows-latest
+    env:
+      WSLENV: NVM_INSTALL_GITHUB_REPO:NVM_INSTALL_VERSION:/p
+    strategy:
+      matrix:
+        wsl-distrib:
+          - Debian
+          - Alpine
+          - Ubuntu-18.04
+        npm-node-version:
+          - '--lts'
+          - '11'
+    steps:
+      - uses: Vampire/setup-wsl@v1
+        with:
+          distribution: ${{ matrix.wsl-distrib }}
+          additional-packages: bash git curl ca-certificates
+      - name: Retrieve nvm on WSL
+        shell: wsl-bash {0}
+        run: |
+          if [ "${{ matrix.wsl-distrib }}" = "Ubuntu-18.04" ] && [ "${{ matrix.npm-node-version }}" = "--lts" ]; then
+            curl -fsSLo- "https://raw.githubusercontent.com/${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 }}