Try setting up a sonarcloud workflow

.github/workflows/sonarcloud.yaml

@@ -0,0 +1,30 @@
+name: Sonar
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  sonarcloud:
+    name: SonarCloud
+    runs-on: ubuntu-latest
+    env:
+      BUILD_WRAPPER_OUT_DIR: build_wrapper_output_directory # Directory where build-wrapper output will be placed
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
+      - name: Install sonar-scanner and build-wrapper
+        uses: SonarSource/sonarcloud-github-c-cpp@v1
+      - name: Run build-wrapper
+        run: |
+          mkdir build
+          cmake -S . -B build
+          build-wrapper-linux-x86-64 --out-dir ${{ env.BUILD_WRAPPER_OUT_DIR }} cmake --build build/ --config Release
+      - name: Run sonar-scanner
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONARCLOUD_TOKEN }} # Put the name of your token here
+        run: |
+          sonar-scanner --define sonar.cfamily.build-wrapper-output="${{ env.BUILD_WRAPPER_OUT_DIR }}"

CMakeLists.txt

@@ -42,6 +42,9 @@ project(
   LANGUAGES C CXX
 )
 
+# NUClear targets c++14
+set(CMAKE_CXX_STANDARD 14)
+
 # Determine if NUClear is built as a subproject (using add_subdirectory) or if it is the master project.
 set(MASTER_PROJECT OFF)
 if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)

sonar-project.properties

@@ -0,0 +1,6 @@
+sonar.projectName=NUClear
+sonar.projectKey=NUClear
+sonar.organization=Fastcode
+sonar.projectVersion=1.0
+sonar.sources=src
+sonar.sourceEncoding=UTF-8