autobuild: Update tests for C# on macOS

pr-checks/checks/autobuild-action.yml

@@ -0,0 +1,20 @@
+name: "autobuild-action"
+description: "Tests that the C# autobuild action works"
+versions: ["latest"]
+steps:
+  - uses: ./../action/init
+    with:
+      languages: csharp
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+  - uses: ./../action/autobuild
+  - uses: ./../action/analyze
+    env:
+      TEST_MODE: true
+  - name: Check database
+    shell: bash
+    run: |
+      cd "$RUNNER_TEMP/codeql_databases"
+      if [[ ! -d csharp ]]; then
+        echo "Did not find a C# database"
+        exit 1
+      fi

src/codeql.ts

@@ -780,7 +780,12 @@ async function getCodeQLForCmd(
         "-Dmaven.wagon.http.pool=false",
       ].join(" ");
 
-      await runTool(autobuildCmd);
+      const runnerExe = process.env["CODEQL_RUNNER"];
+      if (runnerExe) {
+        await runTool(runnerExe, [autobuildCmd]);
+      } else {
+        await runTool(autobuildCmd);
+      }
     },
     async extractScannedLanguage(
       databasePath: string,