ci: add a docker workflow

Author: aeltorio

.github/workflows/docker.yml

@@ -63,3 +63,75 @@ jobs:
                   password: ${{ secrets.DOCKER_PASSWORD }}
                   repository: sctg/libtermcap
                   readme-filepath: ./DOCKER.md
+
+    release:
+        needs: docker
+        runs-on: ubuntu-latest
+        permissions:
+            contents: write
+        if: startsWith(github.ref, 'refs/tags/v')
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v6
+
+            - name: Extract version from tag
+              id: version
+              run: |
+                  VERSION=${GITHUB_REF#refs/tags/v}
+                  echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+            - name: Set up QEMU
+              uses: docker/setup-qemu-action@v3
+
+            - name: Log in to Docker Hub
+              uses: docker/login-action@v3
+              with:
+                  username: ${{ secrets.DOCKER_USERNAME }}
+                  password: ${{ secrets.DOCKER_PASSWORD }}
+
+            - name: Build aarch64 release package
+              run: |
+                  mkdir -p build-aarch64/libtermcap-${{ steps.version.outputs.version }}-aarch64/lib
+                  mkdir -p build-aarch64/libtermcap-${{ steps.version.outputs.version }}-aarch64/include
+                  mkdir -p build-aarch64/libtermcap-${{ steps.version.outputs.version }}-aarch64/lib/pkgconfig
+
+                  docker run --platform linux/arm64 --rm \
+                      -v $(pwd)/build-aarch64/libtermcap-${{ steps.version.outputs.version }}-aarch64:/extract \
+                      sctg/libtermcap:musl-${{ steps.version.outputs.version }} \
+                      sh -c "cp /usr/local/lib/libtermcap.a /extract/lib/ && cp /usr/local/include/termcap.h /extract/include/"
+
+                  cp termcap.pc build-aarch64/libtermcap-${{ steps.version.outputs.version }}-aarch64/lib/pkgconfig/
+
+                  cd build-aarch64
+                  tar -czf libtermcap-${{ steps.version.outputs.version }}-aarch64.tar.gz \
+                      libtermcap-${{ steps.version.outputs.version }}-aarch64/
+                  cd ..
+
+            - name: Build x86_64 release package
+              run: |
+                  mkdir -p build-x86_64/libtermcap-${{ steps.version.outputs.version }}-x86_64/lib
+                  mkdir -p build-x86_64/libtermcap-${{ steps.version.outputs.version }}-x86_64/include
+                  mkdir -p build-x86_64/libtermcap-${{ steps.version.outputs.version }}-x86_64/lib/pkgconfig
+
+                  docker run --platform linux/amd64 --rm \
+                      -v $(pwd)/build-x86_64/libtermcap-${{ steps.version.outputs.version }}-x86_64:/extract \
+                      sctg/libtermcap:musl-${{ steps.version.outputs.version }} \
+                      sh -c "cp /usr/local/lib/libtermcap.a /extract/lib/ && cp /usr/local/include/termcap.h /extract/include/"
+
+                  cp termcap.pc build-x86_64/libtermcap-${{ steps.version.outputs.version }}-x86_64/lib/pkgconfig/
+
+                  cd build-x86_64
+                  tar -czf libtermcap-${{ steps.version.outputs.version }}-x86_64.tar.gz \
+                      libtermcap-${{ steps.version.outputs.version }}-x86_64/
+                  cd ..
+
+            - name: Create Release
+              run: |
+                  gh release create v${{ steps.version.outputs.version }} \
+                    --title "Release v${{ steps.version.outputs.version }}" \
+                    --draft=false \
+                    build-aarch64/libtermcap-${{ steps.version.outputs.version }}-aarch64.tar.gz \
+                    build-x86_64/libtermcap-${{ steps.version.outputs.version }}-x86_64.tar.gz
+              env:
+                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

termcap.pc

@@ -0,0 +1,10 @@
+prefix=/usr/local
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: termcap
+Description: GNU termcap library - Terminal capability database library
+Version: 1.3.2
+Libs: -L${libdir} -ltermcap
+Cflags: -I${includedir}