Content-md CLI (#3)

* Browse and download content-md from websites
* Validate content-md implementation
* Get content-md as a skill

Author: avvertix

.github/workflows/cli.yml

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+name: CLI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize, reopened]
+  release:
+    types: [published]
+
+jobs:
+  build:
+    name: Build Rust (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        include:
+          - os: ubuntu-latest
+            bin_src: rust/target/release/contentmd
+            bin_dst: dist/contentmd-linux
+            artifact: contentmd-linux
+          - os: macos-latest
+            bin_src: rust/target/release/contentmd
+            bin_dst: dist/contentmd-macos
+            artifact: contentmd-macos
+          - os: windows-latest
+            bin_src: rust/target/release/contentmd.exe
+            bin_dst: dist/contentmd-windows.exe
+            artifact: contentmd-windows
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache Rust dependencies
+        uses: actions/cache@v5
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            rust/target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('rust/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-
+
+      - name: Set Cargo.toml version from release tag
+        if: github.event_name == 'release'
+        shell: bash
+        run: |
+          TAG="${{ github.event.release.tag_name }}"
+          VERSION="${TAG#v}"
+          VERSION="${VERSION%%-*}"
+          if ! [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            echo "Release tag '$TAG' does not yield a valid major.minor.patch version (got '$VERSION')" >&2
+            exit 1
+          fi
+          echo "Setting Cargo.toml version to $VERSION"
+          sed -i.bak -E "s/^version = \".*\"/version = \"$VERSION\"/" rust/Cargo.toml
+          rm rust/Cargo.toml.bak
+          grep '^version' rust/Cargo.toml
+
+      - name: Run Tests
+        working-directory: rust
+        run: cargo test
+
+      - name: Build Binary
+        working-directory: rust
+        run: cargo build --release
+
+      - name: Stage binary for upload
+        shell: bash
+        run: |
+          mkdir -p dist
+          cp ${{ matrix.bin_src }} ${{ matrix.bin_dst }}
+
+      - name: Upload binary artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: ${{ matrix.artifact }}
+          path: ${{ matrix.bin_dst }}
+          retention-days: 2
+
+  release:
+    name: Attach binaries to release
+    needs: build
+    if: github.event_name == 'release'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v8
+        with:
+          path: dist
+          merge-multiple: true
+
+      - name: Upload binaries to release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh release upload "${{ github.event.release.tag_name }}" dist/* --clobber --repo "${{ github.repository }}"

rust/.gitignore

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+/target