message: Fix paths in Coverity result tarball.
  Coverity expects files at `cov-int/`, and gets confused if they're
  under `/envoy/build/cov-int/`.
diff: @@ -131,7 +131,7 @@ elif [[ "$1" == "bazel.coverity" ]]; then
  /build/cov-analysis/bin/cov-build --dir "${ENVOY_BUILD_DIR}"/cov-int bazel --batch build --action_env=LD_PRELOAD ${BAZEL_BUILD_OPTIONS} \
  -c opt //source/exe:envoy-static.stamped
  # tar up the coverity results
  - tar czvf "${ENVOY_BUILD_DIR}"/envoy-coverity-output.tgz "${ENVOY_BUILD_DIR}"/cov-int
  + tar czvf "${ENVOY_BUILD_DIR}"/envoy-coverity-output.tgz -C "${ENVOY_BUILD_DIR}" cov-int
  # Copy the Coverity results somewhere that we can access outside of the container.
  cp -f \
  "${ENVOY_BUILD_DIR}"/envoy-coverity-output.tgz \
  