Add: workflow for nightly builds.

.github/workflows/build-plugin.yml

@@ -0,0 +1,158 @@
+name: Build VCV Rack Plugin
+on: [push, pull_request]
+
+env:
+  rack-sdk-version: latest
+  rack-plugin-toolchain-dir: /home/build/rack-plugin-toolchain
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+
+  modify-plugin-version:
+    name: Modify plugin version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
+        id: plugin-version-cache
+        with:
+          path: plugin.json
+          key: ${{ github.sha }}-${{ github.run_id }}
+      - run: |
+          gitrev=`git rev-parse --short HEAD`
+          pluginversion=`jq -r '.version' plugin.json`
+          echo "Set plugin version from $pluginversion to $pluginversion-$gitrev"
+          cat <<< `jq --arg VERSION "$pluginversion-$gitrev" '.version=$VERSION' plugin.json` > plugin.json
+        # only modify plugin version if no tag was created
+        if: "! startsWith(github.ref, 'refs/tags/v')"
+
+  build:
+    name: ${{ matrix.platform }}
+    needs: modify-plugin-version
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/qno/rack-plugin-toolchain-win-linux
+      options: --user root
+    strategy:
+      matrix:
+        platform: [win-x64, lin-x64]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - uses: actions/cache@v4
+        id: plugin-version-cache
+        with:
+          path: plugin.json
+          key: ${{ github.sha }}-${{ github.run_id }}
+      - name: Build plugin
+        run: |
+          export PLUGIN_DIR=$GITHUB_WORKSPACE
+          pushd ${{ env.rack-plugin-toolchain-dir }}
+          make plugin-build-${{ matrix.platform }}
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          path: ${{ env.rack-plugin-toolchain-dir }}/plugin-build
+          name: ${{ matrix.platform }}
+
+  build-mac:
+    name: mac
+    needs: modify-plugin-version
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [x64, arm64]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - uses: actions/cache@v4
+        id: plugin-version-cache
+        with:
+          path: plugin.json
+          key: ${{ github.sha }}-${{ github.run_id }}
+      - name: Get Rack-SDK
+        run: |
+          pushd $HOME
+          wget -O Rack-SDK.zip https://vcvrack.com/downloads/Rack-SDK-${{ env.rack-sdk-version }}-mac-x64+arm64.zip
+          unzip Rack-SDK.zip
+      - name: Build plugin
+        run: |
+          CROSS_COMPILE_TARGET_x64=x86_64-apple-darwin
+          CROSS_COMPILE_TARGET_arm64=arm64-apple-darwin
+          export RACK_DIR=$HOME/Rack-SDK
+          export CROSS_COMPILE=$CROSS_COMPILE_TARGET_${{ matrix.platform }}
+          make dep
+          make dist
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          path: dist/*.vcvplugin
+          name: mac-${{ matrix.platform }}
+
+#  publish:
+#    name: Publish plugin
+#    # only create a release if a tag was created that is called e.g. v1.2.3
+#    # see also https://vcvrack.com/manual/Manifest#version
+#    if: startsWith(github.ref, 'refs/tags/v')
+#    runs-on: ubuntu-latest
+#    needs:  [build, build-mac]
+#    steps:
+#      - uses: actions/checkout@v4
+#      - uses: FranzDiebold/github-env-vars-action@v2
+#      - name: Check if plugin version matches tag
+#        run: |
+#          pluginversion=`jq -r '.version' plugin.json`
+#          if [ "v$pluginversion" != "${{ env.CI_REF_NAME }}" ]; then
+#            echo "Plugin version from plugin.json 'v$pluginversion' doesn't match with tag version '${{ env.CI_REF_NAME }}'"
+#            exit 1
+#          fi
+#      - name: Create Release
+#        uses: softprops/action-gh-release@v2
+#        with:
+#          tag_name: ${{ github.ref }}
+#          name: Release ${{ env.CI_REF_NAME }}
+#          body: |
+#            ${{ env.CI_REPOSITORY_NAME }} VCV Rack Plugin ${{ env.CI_REF_NAME }}
+#          draft: false
+#          prerelease: false
+#      - uses: actions/download-artifact@v4
+#        with:
+#          path: _artifacts
+#      - name: Upload release assets
+#        uses: svenstaro/upload-release-action@v2
+#        with:
+#          repo_token: ${{ secrets.GITHUB_TOKEN }}
+#          file: _artifacts/**/*.vcvplugin
+#          tag: ${{ github.ref }}
+#          file_glob: true
+
+  publish-nightly:
+    name: Publish Nightly
+    # only create a release if a tag was created that is called e.g. v1.2.3
+    # see also https://vcvrack.com/manual/Manifest#version
+    if: ${{ github.ref == 'refs/heads/mutantsdev' && github.repository_owner == 'Bloodbat' }}
+    runs-on: ubuntu-latest
+    needs: [build, build-mac]
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          path: _artifacts
+      - name: Delete old release assets
+        uses: mknejp/delete-release-assets@v1
+        with:
+          token: ${{ github.token }}
+          tag: Nightly # This may also be of the form 'refs/tags/staging'
+          assets: '*'
+      - name: Upload release assets
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: _artifacts/**/*.vcvplugin
+          tag: Nightly
+          file_glob: true