Allow tasks change the content of files under kythe release dir. (#1942)
so that the pipeline can remove `_wkt` suffix if they use old protobuf.
b/329055020
diff --git a/buildkite/docker/ubuntu2204/Dockerfile b/buildkite/docker/ubuntu2204/Dockerfile
index 8832367..5870aeb 100644
--- a/buildkite/docker/ubuntu2204/Dockerfile
+++ b/buildkite/docker/ubuntu2204/Dockerfile
@@ -115,5 +115,5 @@
mkdir /usr/local/kythe && \
curl -fsSL https://github.com/kythe/kythe/releases/download/${LATEST_KYTHE}/kythe-{$LATEST_KYTHE}.tar.gz | \
tar xvz --no-same-owner --strip-components 1 --directory /usr/local/kythe && \
- chmod -R a+r /usr/local/kythe && \
+ chmod -R a+rw /usr/local/kythe && \
test -f /usr/local/kythe/WORKSPACE
