Only run buildkite agent if it exists

Author: boomanaiden154

.ci/monolithic-linux.sh

@@ -34,8 +34,11 @@ function at-exit {
 
   # If building fails there will be no results files.
   shopt -s nullglob
-  python3 "${MONOREPO_ROOT}"/.ci/generate_test_report.py ":linux: Linux x64 Test Results" \
-    "linux-x64-test-results" "${BUILD_DIR}"/test-results.*.xml
+  if command -v buildkite-agent 2>&1 >/dev/null
+  then
+    python3 "${MONOREPO_ROOT}"/.ci/generate_test_report.py ":linux: Linux x64 Test Results" \
+      "linux-x64-test-results" "${BUILD_DIR}"/test-results.*.xml
+  fi
 }
 trap at-exit EXIT
 

.github/workflows/premerge.yaml

@@ -62,4 +62,5 @@ jobs:
           export CC=/opt/llvm/bin/clang
           export CXX=/opt/llvm/bin/clang++
 
-          ./.ci/monolithic-linux.sh "$(echo ${linux_projects} | tr ' ' ';')" "$(echo ${linux_check_targets})" "$(echo ${linux_runtimes} | tr ' ' ';')" "$(echo ${linux_runtime_check_targets})"
+          #./.ci/monolithic-linux.sh "$(echo ${linux_projects} | tr ' ' ';')" "$(echo ${linux_check_targets})" "$(echo ${linux_runtimes} | tr ' ' ';')" "$(echo ${linux_runtime_check_targets})"
+          ./.ci/monolitic-linux.sh "clang;bolt;lld" "check-bolt" "libcxx" "check-cxx"