workflow reworked

- Replace unmaintained actions which used deprecated functions (Node.js 12,
  "set-output"), they may stop working soon:
  - https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/
  - https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

- Remove all hardcoded version numbers:
  To trigger a release, push a tag that starts with 'v', e.g. 'v1.1'.
  The release and filenames will be named accordingly (with the 'v'
  stripped from filenames, e.g. 'gx_plugins_1.1_src.atr.bz2')

- Disable 'Latest' tag
  Normal pushes (without a tag) will create pre-releases named after its
  branch, e.g. 'master'. 'Latest' only pointed to the latest workflow-run,
  and could even refer to older codebases.

- This code is heavily based on the workflow file from the Aether project
  https://github.com/Dougal-s/Aether/blob/master/.github/workflows/build.yml

.github/workflows/build.yml

@@ -1,74 +1,84 @@
 name: build
 
 on: [push]
+#on:
+#  push:
+#    tags:
+#      - 'v*'
 
-env:
-  VERSION: "1.0"
+defaults:
+  run:
+    shell: bash
 
 jobs:
-  build:
+  ####################
+  create-source-archive:
+    runs-on: ubuntu-20.04
+
     outputs:
-      upload_url: ${{ steps.create_release.outputs.upload_url }}
+      artifact-name: ${{ env.ARCHIVE_NAME }}
+
+    steps:
+    - name: Check out sources
+      uses: actions/[email protected]
+      with:
+        path: GxPlugins.lv2
+        submodules: recursive
+
+    - name: create source package
+      run: tar --exclude=.git* -cjf GxPlugins.tar.bz2 GxPlugins.lv2
+
+    - name: Set Archive Name
+      run: echo "ARCHIVE_NAME=gxplugins-source-code" >> "$GITHUB_ENV"
 
+    - uses: actions/[email protected]
+      with:
+        name: ${{ env.ARCHIVE_NAME }}
+        path: GxPlugins.tar.bz2
+
+  ####################
+  build-linux:
     runs-on: ubuntu-latest
 
+    outputs:
+      artifact-name: ${{ env.ARCHIVE_NAME }}
+
     steps:
-    - name: remove tag
-      uses: dev-drprasad/delete-tag-and-release@master
+    - name: Check out sources
+      uses: actions/[email protected]
       with:
-        delete_release: false
-        tag_name: Latest
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-    - uses: actions/checkout@master
-    - name: submodule update
-      run: git submodule update --init
-    - name: create source package
-      run: tar -C .. --exclude=.git* -cjf ../GxPlugins.tar.bz2 $(basename $(pwd))
+        submodules: recursive
+
     - name: install lv2
       run: |
         sudo apt-get install lv2-dev debhelper fakeroot
     - name: build deb
       run: dpkg-buildpackage -rfakeroot -uc -us -b
-    - name: Create Release
-      id: create_release
-      uses: actions/create-release@master
-      env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-          tag_name: Latest
-          release_name: Release latest
-          draft: false
-          prerelease: true
-    - name: Upload Release Asset (Source code)
-      id: upload-release-asset-src
-      uses: actions/upload-release-asset@master
-      env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: ../GxPlugins.tar.bz2
-          asset_name: gxplugins_${{ env.VERSION }}_src.tar.bz2
-          asset_content_type: application
-    - name: Upload Release Asset (Debian package)
-      id: upload-release-asset-deb
-      uses: actions/upload-release-asset@master
-      env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - name: copy deb
+      run: cp ../gxplugins_*_amd64.deb .
+
+    - name: Set Archive Name
+      run: echo "ARCHIVE_NAME=gxplugins-linux" >> "$GITHUB_ENV"
+
+    - uses: actions/[email protected]
       with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: ../gxplugins_${{ env.VERSION }}_amd64.deb
-          asset_name: gxplugins_${{ env.VERSION }}_amd64.deb
-          asset_content_type: application
+        name: ${{ env.ARCHIVE_NAME }}
+        path: gxplugins_*_amd64.deb
 
-  build-win:
-    needs: build
+  ####################
+  build-windows:
     runs-on: windows-latest
+
     defaults:
       run:
         shell: msys2 {0}
+
+    outputs:
+      artifact-name: ${{ env.ARCHIVE_NAME }}
+
     steps:
-    - uses: msys2/setup-msys2@v2
+    - name: Prepare MSys2
+      uses: msys2/setup-msys2@v2
       with:
         update: true
         install: >-
@@ -81,22 +91,71 @@ jobs:
           mingw-w64-x86_64-pkgconf
           pkgconf
           mingw-w64-x86_64-7zip
-    - uses: actions/checkout@master
-    - name: submodule update
-      run: git submodule update --init
+
+    - name: Check out sources
+      uses: actions/[email protected]
+      with:
+        submodules: recursive
+
     - name: make
       run: make -j && make DESTDIR=$(pwd)/_bin install
     - name: add license and readme
       run: cp LICENSE README.md _bin~/.lv2/
     - name: zip
       run: mv _bin~/.lv2 _bin~/lv2 ; cd _bin~ ; 7z a -mx9 ../plugin.7z lv2 ; cd ..
-    - name: upload
-      id: upload-release-asset
-      uses: actions/upload-release-asset@master
-      env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set Archive Name
+      run: echo "ARCHIVE_NAME=gxplugins-windows" >> "$GITHUB_ENV"
+
+    - uses: actions/[email protected]
+      with:
+        name: ${{ env.ARCHIVE_NAME }}
+        path: plugin.7z
+
+  ####################
+  release:
+    runs-on: ubuntu-20.04
+
+    outputs:
+      tag-short: ${{ env.TAG_SHORT }}
+
+    needs:
+      - create-source-archive
+      - build-linux
+      - build-windows
+
+    steps:
+    - name: Set short tag name
+      run: |
+        TAG_SHORT=${{ github.ref_name }} # branch or tag
+        if [[ ${{ github.ref_type }} == 'tag' ]] \
+        && [[ $TAG_SHORT =~ ^v[0-9] ]] ; then
+          TAG_SHORT=${TAG_SHORT:1} # remove leading 'v' from tag (v1.0 -> 1.0)
+        fi
+        echo "TAG_SHORT=$TAG_SHORT" >> "$GITHUB_ENV"
+
+# required?
+#    - name: Move 'Latest' tag
+#      uses: richardsimko/[email protected]
+#      with:
+#        tag_name: Latest
+#      env:
+#        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Download all artifacts
+      uses: actions/[email protected]
+
+    - name: Create Archives
+      run: |
+        mv gxplugins-source-code/GxPlugins.tar.bz2 ./gxplugins_${{ env.TAG_SHORT }}_src.tar.bz2
+        mv gxplugins-linux/gxplugins_*_amd64.deb   ./gxplugins_${{ env.TAG_SHORT }}_amd64.deb
+        mv gxplugins-windows/plugin.7z             ./gxplugins_${{ env.TAG_SHORT }}_win64.7z
+
+    - uses: softprops/action-gh-release@v1
       with:
-          upload_url: ${{ needs.build.outputs.upload_url }}
-          asset_path: plugin.7z
-          asset_name: gxplugins_${{ env.VERSION }}_win64.7z
-          asset_content_type: application
+        tag_name: ${{ github.ref_name }}
+        prerelease: true
+        files: |
+          gxplugins_${{ env.TAG_SHORT }}_src.tar.bz2
+          gxplugins_${{ env.TAG_SHORT }}_amd64.deb
+          gxplugins_${{ env.TAG_SHORT }}_win64.7z