Merge pull request #289 from kzys/clean-tree

Remove root-owned files

Author: kzys

.buildkite/hooks/pre-checkout

@@ -0,0 +1,4 @@
+#! /bin/sh
+set -euo pipefail
+
+find . -user root -print0 | xargs -0 sudo rm -rf '{}'

.buildkite/hooks/pre-exit

@@ -1,3 +1,4 @@
 #!/bin/bash
+set -euo pipefail
 
-sudo rm -rf testdata/logs
+find . -user root -print0 | xargs -0 sudo rm -rf '{}'