Add GitHub Action workflows for release automation

.github/workflows/deploy.yml

@@ -0,0 +1,117 @@
+name: Deploy
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  macos:
+    name: Upload macOS Catalina release binary
+    runs-on: macos-10.15
+
+    strategy:
+      matrix:
+        xcode:
+          - "12" # Swift 5.3
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.release.tag_name }}
+      - name: Build and Package
+        run: |
+          make swift-doc
+          tar -cf swift-doc-${{ github.event.release.tag_name }}.catalina.bottle.tar swift-doc
+          gzip -f swift-doc-${{ github.event.release.tag_name }}.catalina.bottle.tar
+        env:
+          DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
+      - name: Upload
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ github.event.release.upload_url }}
+          asset_path: ./swift-doc
+          asset_name: swift-doc-${{ github.event.release.tag_name }}.catalina.bottle.tar.gz
+          asset_content_type: application/gzip
+
+  linux:
+    name: Upload Linux release binary
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        swift: ["5.3"]
+
+    container:
+      image: swift:${{ matrix.swift }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.release.tag_name }}
+      - name: Install System Dependencies
+        run: |
+          apt-get update
+          apt-get install -y libxml2-dev graphviz
+      - name: Build and Package
+        run: |
+          make swift-doc
+          tar -cf swift-doc-${{ github.event.release.tag_name }}.linux.bottle.tar.gz swift-doc
+          gzip -f swift-doc-${{ github.event.release.tag_name }}.linux.bottle.tar.gz
+      - name: Upload
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ github.event.release.upload_url }}
+          asset_path: ./swift-doc
+          asset_name: swift-doc-${{ github.event.release.tag_name }}.linux.bottle.tar.gz
+          asset_content_type: application/gzip
+
+  homebrew:
+    name: Update Homebrew formula
+    runs-on: ubuntu-latest
+    needs: [macos, linux]
+    steps:
+      - uses: SwiftDocOrg/update-homebrew-formula-action@main
+        with:
+          repository: SwiftDocOrg/swift-doc
+          tap: SwiftDocOrg/homebrew-formulae
+          formula: Formula/swift-doc.rb
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  docker:
+    name: Build and push Docker container
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.release.tag_name }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            swiftdoc/swift-doc:latest
+            swiftdoc/swift-doc:${{ github.event.release.tag_name }}

.github/workflows/release.yml

@@ -0,0 +1,32 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "*.*.*"
+
+jobs:
+  release:
+    name: Create a release on GitHub
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Get Changelog Entries
+        id: changelog
+        uses: mindsers/changelog-reader-action@v2
+        with:
+          version: ${{ github.ref }}
+          path: ./Changelog.md
+      - name: Create Release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          body: ${{ steps.changelog.outputs.changes }}
+          draft: false
+          prerelease: contains(github.ref, '-')

Makefile

@@ -8,19 +8,17 @@ REPODIR = $(shell pwd)
 BUILDDIR = $(REPODIR)/.build
 SOURCES = $(wildcard $(srcdir)/**/*.swift)
 
-.DEFAULT_GOAL = all
-
-.PHONY: all
-all: swift-doc
-
-swift-doc: $(SOURCES)
+$(BUILDDIR)/release/swift-doc: $(SOURCES)
 	@swift build \
 		-c release \
 		--disable-sandbox \
 		--build-path "$(BUILDDIR)"
 
+swift-doc: $(BUILDDIR)/release/swift-doc
+	@cp $< $@
+
 .PHONY: install
-install: swift-doc
+install: $(BUILDDIR)/release/swift-doc
 	@install -d "$(bindir)"
 	@install "$(BUILDDIR)/release/swift-doc" "$(bindir)"
 
@@ -33,5 +31,5 @@ distclean:
 	@rm -f $(BUILDDIR)/release
 
 .PHONY: clean
-clean: distclean
+clean:
 	@rm -rf $(BUILDDIR)