Add build workflow

.github/workflows/build.yaml

@@ -0,0 +1,84 @@
+name: build
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build:
+    strategy:
+      max-parallel: 1
+      matrix:
+        arch: [x86_64, x86_64-musl]
+    runs-on: ubuntu-22.04
+    env:
+      XBPS_PASSPHRASE: ${{ secrets.SIGN_PASS }}
+      XBPS_TARGET_ARCH: ${{ matrix.arch }}
+
+    steps:
+      - name: checkout local templates
+        uses: actions/checkout@v4
+        with:
+          ref: master
+          path: added-packages
+
+      - name: checkout void-packages
+        uses: classabbyamp/treeless-checkout-action@v1
+        with:
+          repository: void-linux/void-packages
+          ref: master
+          path: void-packages
+
+      - name: copy
+        run: cp -rv added-packages/srcpkgs/* void-packages/srcpkgs
+
+      - name: prepare xbps-static
+        run: |
+          mkdir -p /opt/xbps
+          curl -LO http://repo-default.voidlinux.org/static/xbps-static-latest.x86_64-musl.tar.xz
+          tar xvf xbps-static-latest.x86_64-musl.tar.xz -C /opt/xbps
+          rm xbps-static-latest.x86_64-musl.tar.xz
+
+      - name: Prepare masterdir
+        run: |
+          export PATH="/tmp/bin:/opt/xbps/usr/bin/:$PATH"
+          common/travis/set_mirror.sh &&
+          common/travis/fetch-xtools.sh
+
+      - name: free space
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+          sudo rm -rf /opt/hostedtoolcache/CodeQL
+
+      - name: build
+        run: |
+          export PATH="/tmp/bin:/opt/xbps/usr/bin/:$PATH"
+          cd void-packages
+          ./xbps-src -m masterdir-${{ matrix.arch }} -A ${{ matrix.arch }} binary-bootstrap
+          ./xbps-src pkg -j4 -m masterdir-${{ matrix.arch }} dotter-bin
+
+      - name: sign
+        working-directory: void-packages/hostdir/binpkgs/
+        run: |
+          export PATH="/tmp/bin:/opt/xbps/usr/bin/:$PATH"
+          xbps-rindex -r $PWD
+          xbps-rindex -s --signedby <(printf '%s' "${{ secrets.SIGNER }}") --privkey <(printf '%s' "${{ secrets.PRIV_KEY }}") $PWD
+          xbps-rindex -S --privkey <(printf '%s' "${{ secrets.PRIV_KEY }}") $PWD/*.xbps
+          xbps-rindex -c $PWD
+
+      - name: checksum
+        working-directory: void-packages/hostdir/binpkgs/
+        run: |
+          sha256sum $(echo dotter-bin-*.${{ matrix.arch }}.xbps) | tee $(echo dotter-bin-*.${{ matrix.arch }}.xbps).sha256sum
+          sha512sum $(echo dotter-bin-*.${{ matrix.arch }}.xbps) | tee $(echo dotter-bin-*.${{ matrix.arch }}.xbps).sha512sum
+
+      - name: release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            void-packages/hostdir/binpkgs/*.xbps
+            void-packages/hostdir/binpkgs/*.sig2
+            void-packages/hostdir/binpkgs/*repodata