are we ci yet?

Author: NickLarsenNZ

.github/workflows/build.yaml

@@ -55,7 +55,8 @@ jobs:
           persist-credentials: false
           submodules: recursive
           fetch-depth: 0
-      - shell: bash
+      - id: check
+        shell: bash
         run: |
           set -x
           # - '.github/workflows/build.yaml'
@@ -72,45 +73,55 @@ jobs:
           # This is cursed... we use `.[] | .` to remove quotes and any yaml formatting.
           readarray -t GLOBS < <(yq --null-input '["*.adoc", ".github/**"]' | yq '.[] | .')
 
+          MATCHED="false"
           for GLOB in "${GLOBS[@]}"; do
-              git diff --name-only "${BASE_SHA}.." -- "$GLOB"
+              if ! git diff --exit-code --name-only "${BASE_SHA}.." -- "$GLOB"; then
+                # When git diff exist with an error, that means there was a diff
+                # for the glob.
+                MATCHED="true"
+              fi
           done
 
-  # cargo-udeps:
-  #   name: Run cargo-udeps
-  #   needs: [path-filter]
-  #   runs-on: ubuntu-latest
-  #   env:
-  #     RUSTC_BOOTSTRAP: 1
-  #   steps:
-  #     - name: Install host dependencies
-  #       uses: awalsh128/cache-apt-pkgs-action@2c09a5e66da6c8016428a2172bd76e5e4f14bb17 # v1.5.3
-  #       with:
-  #         packages: protobuf-compiler krb5-user libkrb5-dev libclang-dev liblzma-dev libssl-dev pkg-config apt-transport-https
-  #         version: ubuntu-latest
+          echo "MATCHED=$MATCHED" | tee -a "$GITHUB_OUTPUT"
+    outputs:
+      matched: ${{ steps.check.outputs.MATCHED }}
 
-  #     - name: Checkout Repository
-  #       uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-  #       with:
-  #         persist-credentials: false
-  #         submodules: recursive
+  cargo-udeps:
+    name: Run cargo-udeps
+    needs: [path-filter]
+    if: needs.path-filter.outputs.matched == 'true'
+    runs-on: ubuntu-latest
+    env:
+      RUSTC_BOOTSTRAP: 1
+    steps:
+      - name: Install host dependencies
+        uses: awalsh128/cache-apt-pkgs-action@2c09a5e66da6c8016428a2172bd76e5e4f14bb17 # v1.5.3
+        with:
+          packages: protobuf-compiler krb5-user libkrb5-dev libclang-dev liblzma-dev libssl-dev pkg-config apt-transport-https
+          version: ubuntu-latest
 
-  #     - name: Install Rust ${{ env.RUST_TOOLCHAIN_VERSION }} toolchain
-  #       uses: dtolnay/rust-toolchain@b3b07ba8b418998c39fb20f53e8b695cdcc8de1b
-  #       with:
-  #         toolchain: ${{ env.RUST_TOOLCHAIN_VERSION }}
+      - name: Checkout Repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+          submodules: recursive
 
-  #     - name: Setup Rust Cache
-  #       uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # v2.8.0
-  #       with:
-  #         cache-all-crates: "true"
-  #         key: udeps
+      - name: Install Rust ${{ env.RUST_TOOLCHAIN_VERSION }} toolchain
+        uses: dtolnay/rust-toolchain@b3b07ba8b418998c39fb20f53e8b695cdcc8de1b
+        with:
+          toolchain: ${{ env.RUST_TOOLCHAIN_VERSION }}
+
+      - name: Setup Rust Cache
+        uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # v2.8.0
+        with:
+          cache-all-crates: "true"
+          key: udeps
 
-  #     - name: Install cargo-udeps
-  #       uses: stackabletech/cargo-install-action@8f7dbbcd2ebe22717efc132d0dd61e80841994b9 # cargo-udeps
+      - name: Install cargo-udeps
+        uses: stackabletech/cargo-install-action@8f7dbbcd2ebe22717efc132d0dd61e80841994b9 # cargo-udeps
 
-  #     - name: Run cargo-udeps
-  #       run: cargo udeps --workspace --all-targets
+      - name: Run cargo-udeps
+        run: cargo udeps --workspace --all-targets
 
   # build-container-image:
   #   name: Build/Publish ${{ matrix.runner.arch }} Image