Add support for macos arm64 build

.github/workflows/release-go-task.yml

@@ -48,17 +48,138 @@ jobs:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_NAME }}
           path: ${{ env.DIST_DIR }}
+
+  notarize-macos:
+    name: Notarize ${{ matrix.artifact.name }}
+    runs-on: macos-latest
+    needs: create-release-artifacts
+    outputs:
+      checksum-darwin_amd64: ${{ steps.re-package.outputs.checksum-darwin_amd64 }}
+      checksum-darwin_arm64: ${{ steps.re-package.outputs.checksum-darwin_arm64 }}
+
+    env:
+      GON_CONFIG_PATH: gon.config.hcl
+
+    strategy:
+      matrix:
+        artifact:
+          - name: darwin_amd64
+            path: "macOS_64bit.tar.gz"
+          - name: darwin_arm64
+            path: "macOS_ARM64.tar.gz"
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: ${{ env.ARTIFACT_NAME }}
+          path: ${{ env.DIST_DIR }}
+
+      - name: Import Code-Signing Certificates
+        env:
+          KEYCHAIN: "sign.keychain"
+          INSTALLER_CERT_MAC_PATH: "/tmp/ArduinoCerts2020.p12"
+          KEYCHAIN_PASSWORD: keychainpassword # Arbitrary password for a keychain that exists only for the duration of the job, so not secret
+        run: |
+          echo "${{ secrets.INSTALLER_CERT_MAC_P12 }}" | base64 --decode > "${{ env.INSTALLER_CERT_MAC_PATH }}"
+          security create-keychain -p "${{ env.KEYCHAIN_PASSWORD }}" "${{ env.KEYCHAIN }}"
+          security default-keychain -s "${{ env.KEYCHAIN }}"
+          security unlock-keychain -p "${{ env.KEYCHAIN_PASSWORD }}" "${{ env.KEYCHAIN }}"
+          security import \
+            "${{ env.INSTALLER_CERT_MAC_PATH }}" \
+            -k "${{ env.KEYCHAIN }}" \
+            -f pkcs12 \
+            -A \
+            -T "/usr/bin/codesign" \
+            -P "${{ secrets.INSTALLER_CERT_MAC_PASSWORD }}"
+          security set-key-partition-list \
+            -S apple-tool:,apple: \
+            -s \
+            -k "${{ env.KEYCHAIN_PASSWORD }}" \
+            "${{ env.KEYCHAIN }}"
+
+      - name: Install gon for code signing and app notarization
+        run: |
+          wget -q https://github.com/mitchellh/gon/releases/download/v0.2.3/gon_macos.zip
+          unzip gon_macos.zip -d /usr/local/bin
+
+      - name: Write gon config to file
+        # gon does not allow env variables in config file (https://github.com/mitchellh/gon/issues/20)
+        run: |
+          cat > "${{ env.GON_CONFIG_PATH }}" <<EOF
+          # See: https://github.com/mitchellh/gon#configuration-file
+          source = ["${{ env.DIST_DIR }}/${{ env.PROJECT_NAME }}_osx_${{ matrix.artifact.name }}/${{ env.PROJECT_NAME }}"]
+          bundle_id = "cc.arduino.${{ env.PROJECT_NAME }}"
+
+          sign {
+            application_identity = "Developer ID Application: ARDUINO SA (7KT7ZWMCJT)"
+          }
+
+          # Ask Gon for zip output to force notarization process to take place.
+          # The CI will ignore the zip output, using the signed binary only.
+          zip {
+            output_path = "unused.zip"
+          }
+          EOF
+
+      - name: Sign and notarize binary
+        env:
+          AC_USERNAME: ${{ secrets.AC_USERNAME }}
+          AC_PASSWORD: ${{ secrets.AC_PASSWORD }}
+        run: |
+          gon "${{ env.GON_CONFIG_PATH }}"
+
+      - name: Re-package binary and output checksum
+        id: re-package
+        working-directory: ${{ env.DIST_DIR }}
+        # This step performs the following:
+        # 1. Repackage the signed binary replaced in place by Gon (ignoring the output zip file)
+        # 2. Recalculate package checksum
+        # 3. Output the new checksum to include in the nnnnnn-checksums.txt file
+        #    (it cannot be done there because of workflow job parallelization)
+        run: |
+          # GitHub's upload/download-artifact actions don't preserve file permissions,
+          # so we need to add execution permission back until the action is made to do this.
+          chmod +x "${{ env.PROJECT_NAME }}_osx_${{ matrix.artifact.name }}/${{ env.PROJECT_NAME }}"
+          TAG="${GITHUB_REF/refs\/tags\//}"
+          PACKAGE_FILENAME="${{ env.PROJECT_NAME }}_${TAG}_${{ matrix.artifact.path }}"
+          tar -czvf "$PACKAGE_FILENAME" \
+          -C "${{ env.PROJECT_NAME }}_osx_${{ matrix.artifact.name }}/" "${{ env.PROJECT_NAME }}" \
+          -C ../../ LICENSE.txt
+          CHECKSUM_LINE="$(shasum -a 256 $PACKAGE_FILENAME)"
+          echo "PACKAGE_FILENAME=$PACKAGE_FILENAME" >> $GITHUB_ENV
+          echo "::set-output name=checksum-${{ matrix.artifact.name }}::$CHECKSUM_LINE"
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          if-no-files-found: error
+          name: ${{ env.ARTIFACT_NAME }}
+          path: ${{ env.DIST_DIR }}/${{ env.PACKAGE_FILENAME }}
 
   create-release:
     runs-on: ubuntu-latest
-    needs: create-release-artifacts
+    needs: notarize-macos
 
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v3
         with:
           name: ${{ env.ARTIFACT_NAME }}
           path: ${{ env.DIST_DIR }}
+
+      - name: Update checksum
+        run: |
+          declare -a checksum_lines=("${{ needs.notarize-macos.outputs.checksum-darwin_amd64 }}" "${{ needs.notarize-macos.outputs.checksum-darwin_arm64 }}")
+          for checksum_line in "${checksum_lines[@]}"
+          do
+            CHECKSUM=$(echo ${checksum_line} | cut -d " " -f 1)
+            PACKAGE_FILENAME=$(echo ${checksum_line} | cut -d " " -f 2)
+            perl -pi -w -e "s/.*${PACKAGE_FILENAME}/${CHECKSUM}  ${PACKAGE_FILENAME}/g;" ${{ env.DIST_DIR }}/*-checksums.txt
+          done
 
       - name: Identify Prerelease
         # This is a workaround while waiting for create-release action

DistTasks.yml

@@ -34,6 +34,7 @@ tasks:
       - task: Linux_ARMv7
       - task: Linux_ARM64
       - task: macOS_64bit
+      - task: macOS_ARM64
 
   Windows_32bit:
     desc: Builds Windows 32 bit binaries
@@ -251,3 +252,25 @@ tasks:
       CONTAINER_TAG: "{{.GO_VERSION}}-darwin-debian10"
       PACKAGE_PLATFORM: "macOS_64bit"
       PACKAGE_NAME: "{{.PROJECT_NAME}}_{{.VERSION}}_{{.PACKAGE_PLATFORM}}.tar.gz"
+
+  macOS_ARM64:
+    desc: Builds Mac OS X ARM64 binaries
+    dir: "{{.DIST_DIR}}"
+    cmds:
+      - |
+        docker run -v `pwd`/..:/home/build -w /home/build \
+        -e CGO_ENABLED=1 \
+        {{.CONTAINER}}:{{.CONTAINER_TAG}} \
+        --build-cmd "{{.BUILD_COMMAND}}" \
+        -p "{{.BUILD_PLATFORM}}"
+
+        tar cz -C {{.PLATFORM_DIR}} {{.PROJECT_NAME}} -C ../.. LICENSE.txt  -f {{.PACKAGE_NAME}}
+        sha256sum {{.PACKAGE_NAME}} >> {{.CHECKSUM_FILE}}
+
+    vars:
+      PLATFORM_DIR: "{{.PROJECT_NAME}}_osx_darwin_arm64"
+      BUILD_COMMAND: "go build -o {{.DIST_DIR}}/{{.PLATFORM_DIR}}/{{.PROJECT_NAME}} {{.LDFLAGS}}"
+      BUILD_PLATFORM: "darwin/arm64"
+      CONTAINER_TAG: "{{.GO_VERSION}}-darwin-arm64-debian10"
+      PACKAGE_PLATFORM: "macOS_ARM64"
+      PACKAGE_NAME: "{{.PROJECT_NAME}}_{{.VERSION}}_{{.PACKAGE_PLATFORM}}.tar.gz"