builtkite: collect runtime logs

PiperOrigin-RevId: 487748622

.buildkite/hooks/post-command

@@ -54,8 +54,12 @@ rm -rf "${profile_output}"
 # Clean the bazel cache, if there's failure.
 if test "${BUILDKITE_COMMAND_EXIT_STATUS}" -ne "0"; then
   set -x
-  if [ -d "/tmp/${BUILDKITE_JOB_ID}/" ]; then
-      tar -czf "/tmp/${BUILDKITE_JOB_ID}.tar.gz" -C /tmp/ "${BUILDKITE_JOB_ID}"
+  # LINT.IfChange
+  runtime="buildkite_runtime_${BUILDKITE_BRANCH}-${BUILDKITE_BUILD_ID}"
+  runtime="$(echo "$runtime" | sed -r 's~[^-_a-z0-9]+~_~g')"
+  # LINT.ThenChange(pre-command)
+  if [ -d "/tmp/${runtime}/" ]; then
+      tar -czf "/tmp/${BUILDKITE_JOB_ID}.tar.gz" -C /tmp/ "${runtime}"
       buildkite-agent artifact upload "/tmp/${BUILDKITE_JOB_ID}.tar.gz"
   fi
   # Attempt to clear the cache and shut down.

.buildkite/hooks/pre-command

@@ -35,8 +35,10 @@ export TOTAL_PARTITIONS=${BUILDKITE_PARALLEL_JOB_COUNT:-1}
 # Set the system-wide Docker runtime name after the BuildKite branch name.
 # Remove any slashes and other characters that are not supported in Docker
 # runtime names. The runtime name must be a single valid path component.
+# LINT.IfChange
 export RUNTIME="buildkite_runtime_${BUILDKITE_BRANCH}-${BUILDKITE_BUILD_ID}"
 export RUNTIME="$(echo "$RUNTIME" | sed -r 's~[^-_a-z0-9]+~_~g')"
+# LINT.ThenChange(post-command)
 
 # If running in a container, set the reload command appropriately.
 if [[ -x /tmp/buildkite-reload-host-docker/reload ]]; then