Update main.yml

.github/workflows/main.yml

@@ -7,29 +7,29 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Update rustup
-      run: rustup self update
-    - name: Install Rust
-      run: |
-        rustup set profile minimal
-        rustup toolchain install nightly -c rust-docs
-        rustup default nightly
+    - name: Setup Rust Toolchain
+      uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
+      with:
+        toolchain: nightly
+            
     - name: Install mdbook
-      env:
-        MDBOOK_VER: v0.4.3
-      run: |
-        mkdir bin
-        curl -sSL https://github.com/rust-lang/mdBook/releases/download/${{ env.MDBOOK_VER }}/mdbook-${{ env.MDBOOK_VER }}-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
-        echo "$(pwd)/bin" >> $GITHUB_PATH
-    - name: Report versions
-      run: |
-        rustup --version
-        rustc -Vv
-        mdbook --version
+      run: cargo install mdbook
+      
     - name: Run tests
       run: mdbook test
-    - name: Check for broken links
+      
+    - name: Cache/Restore linkcheck
+      id: cache
+      uses: actions/cache@v4.0.2
+      with:
+        path: ${GITHUB_WORKSPACE}/linkcheck.sh
+        key: linkcheck-${{ runner.os }}
+
+    - name: Install linkcheck
+      if: steps.cache.outputs.cache-hit != 'true'
       run: |
         curl -sSLo linkcheck.sh \
           https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/linkcheck.sh
-        sh linkcheck.sh --all nomicon
+
+    - name: Check links
+      run: sh linkcheck.sh --all nomicon