Add integration test for workaround

Author: mbg

.github/workflows/__go-indirect-tracing-workaround.yml

@@ -0,0 +1,47 @@
+name: "Go: workaround for indirect tracing"
+description: "Checks that our workaround for indirect tracing for Go 1.21+ on Linux works"
+# only Linux is affected
+operatingSystems: ["ubuntu"]
+# pinned to a version which does not support statically linked binaries for indirect tracing
+versions: ["stable-v2.14.6"]
+steps:
+  - uses: actions/setup-go@v4
+    with:
+      # We need a Go version that ships with statically linked binaries on Linux
+      go-version: ">=1.21.0"
+  - uses: ./../action/init
+    with:
+      languages: go
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+  - name: Build code
+    shell: bash
+    run: go build main.go
+  - uses: ./../action/analyze
+    with:
+      upload-database: false
+  - shell: bash
+    run: |
+      if [[ -z "${CODEQL_ACTION_GO_BINARY}" ]]; then
+        echo "Expected the workaround for indirect tracing of static binaries to trigger, but the" \
+          "CODEQL_ACTION_GO_BINARY environment variable is not set."
+        exit 1
+      fi
+      if [[ ! -f "${CODEQL_ACTION_GO_BINARY}" ]]; then
+        echo "CODEQL_ACTION_GO_BINARY is set, but the corresponding script does not exist."
+        exit 1
+      fi
+
+
+      # Once we start running Bash 4.2 in all environments, we can replace the
+      # `! -z` flag with the more elegant `-v` which confirms that the variable
+      # is actually unset and not potentially set to a blank value.
+      if [[ ! -z "${CODEQL_ACTION_DID_AUTOBUILD_GOLANG}" ]]; then
+        echo "Expected the Go autobuilder not to be run, but the" \
+          "CODEQL_ACTION_DID_AUTOBUILD_GOLANG environment variable was set."
+        exit 1
+      fi
+      cd "$RUNNER_TEMP/codeql_databases"
+      if [[ ! -d go ]]; then
+        echo "Did not find a Go database"
+        exit 1
+      fi