feat(ci): create a new release when necessary

Author: mpsq

.github/workflows/build.yml

@@ -33,16 +33,36 @@ jobs:
     steps:
       - name: Prepare artifacts
         run: |
+          pacman --noconfirm -S jq
           cd /home/pcr
-          mkdir sources
-          ver=$(ls emacs* | sed -r 's/.*([0-9]{2}\.[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{6}).*/\1/gi')
-          #git clone ssh://aur@aur.archlinux.org/emacs-gcc-wayland-devel-bin.git
-          #old_ver=$(cat PKGBUILD | grep "pkgver=" | sed -r 's/pkgver=//')
-          #[[ "$old_ver" == "$ver" ]] && exit 1
-          echo "pkg_version=$ver" >> $GITHUB_ENV
-          tar xf "$(ls emacs*)" -C sources
-          rm sources/.BUILDINFO sources/.MTREE sources/.PKGINFO
-      - uses: actions/upload-artifact@v2
+          version=$(ls emacs* | sed -r 's/.*([0-9]{2}\.[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{6}).*/\1/gi')
+          release=$(curl "$GITHUB_API_URL"/repos/"$GITHUB_REPOSITORY"/releases/latest | jq .tag_name)
+          # Check if a new release is needed
+          [[ "$version" == "$release" ]] && exit 1
+          # Let's build the artifacts then!
+          echo "pkg_version=$version" >> $GITHUB_ENV
+          mkdir pkg
+          tar xf "$(ls emacs*)" -C pkg
+          rm pkg/.BUILDINFO pkg/.MTREE pkg/.PKGINFO
+          tar czf "$version".tar.gz -C pkg .
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          name: emacs-gcc-wayland-devel-${{ env.pkg_version }}
-          path: /home/pcr/sources
+          tag_name: ${{ env.pkg_version }}
+          release_name: Release ${{ env.pkg_version }}
+          body: Check emacs git repository.
+          draft: false
+          prerelease: false
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: /home/pcr/${{ env.pkg_version }}.tar.gz
+          asset_name: ${{ env.pkg_version }}.tar.gz
+          asset_content_type: application/gzip