Cross platform tests and release workflow (#2)

* Add cross-platform tests
* Add release workflows

.github/workflows/post-merge.yml

@@ -0,0 +1,46 @@
+name: Test and Tag
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    uses: ./.github/workflows/run-tests.yml
+
+  check-for-and-create-new-release:
+    name: Create new release tag if needed
+    runs-on: ubuntu-latest
+    needs:
+      - test
+
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - shell: bash
+        run: |
+          VERSION=$(yq -oy '.package.version' Cargo.toml)
+          echo "Checking for version $VERSION"
+          git tag --list
+          echo "With grep"
+          git tag --list | grep "^$VERSION\$" 
+
+          if git tag --list | grep "^$VERSION\$" >>/dev/null 2>&1; then
+            echo "Version $VERSION already tagged, no release to complete"
+            exit 0
+          fi
+
+          echo "Continuing to create release tag"
+
+          git config user.name BridgeBoard-PC-Boot-Patcher-AutoRelease
+
+          git tag "$VERSION"
+          git push origin "$VERSION"

.github/workflows/release.yml

@@ -0,0 +1,81 @@
+# Thanks to https://dzfrias.dev/blog/deploy-rust-cross-platform-github-actions on which
+# most of this workflow was based
+name: Create Release
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+"
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-upload:
+    name: Build and Upload
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        include:
+          - build: linux
+            os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+
+          - build: macos-x86_64
+            os: macos-latest
+            target: x86_64-apple-darwin
+
+          # Can build, but not test
+          - build: macos-arm64
+            os: macos-latest
+            target: aarch64-apple-darwin
+
+          - build: windows
+            os: windows-latest
+            target: x86_64-pc-windows-gnu
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get the release version from the tag
+        shell: bash
+        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Release build
+        shell: bash
+        run: |
+          cargo build --release --target ${{ matrix.target }}
+
+      - name: Build archive
+        shell: bash
+        run: |
+          binary_name="bridgeboard-pc-boot-patcher"
+
+          dirname="$binary_name-${{ env.VERSION }}-${{ matrix.target }}"
+          mkdir "$dirname"
+          if [ "${{ matrix.os }}" = "windows-latest" ]; then
+            mv "target/${{ matrix.target }}/release/$binary_name.exe" "$dirname"
+          else
+            mv "target/${{ matrix.target }}/release/$binary_name" "$dirname"
+          fi
+
+          if [ "${{ matrix.os }}" = "windows-latest" ]; then
+            7z a "$dirname.zip" "$dirname"
+            echo "ASSET=$dirname.zip" >> $GITHUB_ENV
+          else
+            tar -czf "$dirname.tar.gz" "$dirname"
+            echo "ASSET=$dirname.tar.gz" >> $GITHUB_ENV
+          fi
+ 
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            ${{ env.ASSET }}

.github/workflows/run-tests.yml

@@ -1,21 +1,42 @@
+# Thanks to https://dzfrias.dev/blog/deploy-rust-cross-platform-github-actions on which
+# most of this workflow was based
 name: Run Tests
 
 on:
   workflow_call:
   pull_request:
-  push:
-    branches:
-      - main
 
 permissions:
   contents: read
 
 jobs:
   test:
     name: cargo test
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        include:
+          - build: linux-x86_64
+            os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+
+          - build: macos-x86_64
+            os: macos-latest
+            target: x86_64-apple-darwin
+
+          - build: windows-gnu-x86_64
+            os: windows-latest
+            target: x86_64-pc-windows-gnu
+
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - run: cargo test --all-features
+      - name: Install rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+      - name: Run tests
+        shell: bash
+        run: |
+          cargo test --target "${{ matrix.target }}" --all-features