Second attempt at setting up CI

Author: jacereda

.github/workflows/build.yml

@@ -13,7 +13,6 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
     strategy:
       matrix:
         target: [
@@ -28,44 +27,50 @@ jobs:
 
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Nix
-        uses: cachix/install-nix-action@v15
+        uses: cachix/install-nix-action@v22
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
 
       - name: Build and Create ZIP Archive
         run: |
           nix build .#${{ matrix.target }}
-          cp -rP result fina-${{ matrix.target }}
-          tar cvfz fina-${{ matrix.target }}.tar.gz fina-${{ matrix.target }}
+          cp -rL result/ fina-${{ matrix.target }}
+          tar -cvzf fina-${{ matrix.target }}.tar.gz fina-${{ matrix.target }}
+          rm -rf fina-${{ matrix.target }}
 
-      - name: Upload ZIP Files as Artifacts
-        uses: actions/upload-artifact@v3
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
         with:
-          name: fina-binaries
-          path: *.tar.gz
+          name: bin-${{ matrix.target }}
+          path: fina-${{ matrix.target }}.tar.gz
 
   release:
     runs-on: ubuntu-latest
     needs: build
     if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      contents: write
 
     steps:
-      - name: Checkout the repository
-        uses: actions/checkout@v3
-
-      - name: Set up Nix
-        uses: cachix/install-nix-action@v15
-
-      - name: Create GitHub Release
-        uses: gh-actions/create-release@v1
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
         with:
-          tag_name: ${{ github.ref_name }}
-          release_name: "Release ${{ github.ref_name }}"
-          draft: false
-          prerelease: false
+          path: artifacts
+          pattern: bin-*
+          merge-multiple: true
+
+      - name: Generate Checksums
+        working-directory: artifacts
+        run: |
+          sha256sum *.tar.gz > SHA256SUMS.txt
 
       - name: Upload release assets
         uses: softprops/action-gh-release@v1
         with:
-          files: *.tar.gz
+          files: |
+            artifacts/*.tar.gz
+            artifacts/SHA256SUMS.txt