Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,88 @@
+name: Release
+
+permissions:
+  contents: write
+
+on:
+  push:
+    tags:
+      - v[0-9]+.*
+
+jobs:
+  create-release:
+    name: Create GH release draft
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check that tag version and Cargo.toml version are the same
+        shell: bash
+        run: |
+          if ! grep -q "version = \"${{ github.ref_name }}\"" Cargo.toml; then
+            echo "version does not match Cargo.toml" >&2
+            exit 1
+          fi
+
+      - name: Create the release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh release create ${{ github.ref_name }} --draft --verify-tag --title ${{ github.ref_name }}
+
+  upload-binary:
+    needs: create-release
+    name: ${{ matrix.target }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            use-cross: false
+
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+            use-cross: false
+
+          - os: ubuntu-latest
+            target: aarch64-unknown-linux-gnu
+            use-cross: true
+
+          - os: macos-latest
+            target: x86_64-apple-darwin
+            use-cross: false
+
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            use-cross: false
+
+    env:
+      CARGO: cargo
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Install cross
+        if: matrix.use-cross
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cross
+
+      - name: Overwrite build command env variable
+        if: matrix.use-cross
+        shell: bash
+        run: echo "CARGO=cross" >> $GITHUB_ENV
+
+      - name: Build release binary
+        run: ${{ env.CARGO }} build --release --locked --target ${{ matrix.target }}
+
+      - name: Upload the binary to the release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh release upload ${{ github.ref_name }} target/release/asciinema#asciinema-${{ matrix.target }}