Merge branch 'github-actions'

.github/workflows/release.yaml

+name: Create Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  draft_release:
+    name: Draft Release
+    runs-on: ubuntu-latest
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
+
+    steps:
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: |
+            Changes in this Release
+            - First Change
+            - Second Change
+          draft: true
+          prerelease: false
+
+  release-mac:
+    name: Create Release
+    needs: draft_release
+    runs-on: ${{ matrix.os }}
+    env:
+      MACOSX_DEPLOYMENT_TARGET: 10.13
+    strategy:
+      matrix:
+        os:
+          - macOS-10.15
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - uses: haskell/actions/setup@v1.2
+        with:
+          ghc-version: 8.10.4
+          cabal-version: 3.4.0.0
+
+      - name: create ~/.local/bin
+        run: mkdir -p "$HOME/.local/bin"
+        shell: bash
+
+      - name: Add ~/.local/bin to PATH
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
+        shell: bash
+
+      - name: Update cabal cache
+        run: cabal update
+        shell: bash
+
+      - name: Install cabal dependencies
+        run: cabal build --only-dependencies --constraint="zlib +bundled-c-zlib" --constraint="lzma +static" -ftui
+        shell: bash
+
+      - name: Build
+        run: cabal build --constraint="zlib +bundled-c-zlib" --constraint="lzma +static" -ftui
+        shell: bash
+
+      - name: Install
+        run: cp "$(cabal list-bin exe:ghcup)" ~/.local/bin/ghcup
+        shell: bash
+
+      - name: Strip
+        run: strip ~/.local/bin/ghcup
+        shell: bash
+
+      - name: Run tests
+        run: cabal test --constraint="zlib +bundled-c-zlib" --constraint="lzma +static" all
+        shell: bash
+
+      - name: Install git
+        run: brew install git
+
+      - name: set HOME
+        run: echo "HOME=$HOME" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set ASSET_PATH
+        run: echo "ASSET_PATH=$HOME/.local/bin/ghcup" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.draft_release.outputs.upload_url }}
+          asset_path: ${{ env.ASSET_PATH }}
+          asset_name: ghcup-${{ matrix.os }}
+          asset_content_type: application/octet-stream
+
+      - if: always()
+        uses: actions/upload-artifact@v2
+        with:
+          name: plan.json
+          path: ./dist-newstyle/cache/plan.json
+