Merge commit '36bca61764984ff5395653cf8377ec5daa71b709' as 'libs/protobuf'

libs/protobuf/kokoro/linux/ruby25/common.cfg

@@ -0,0 +1,26 @@
+# Config file for running tests in Kokoro
+
+# Location of the build script in repository
+build_file: "protobuf/kokoro/linux/bazel.sh"
+timeout_mins: 120
+
+env_vars {
+  key: "CONTAINER_IMAGE"
+  value: "gcr.io/protobuf-build/ruby/linux:ruby-2.5.1-64e8944e4f18d7d6c9649112a8a93be57e693cd8"
+}
+
+env_vars {
+  key: "BAZEL_TARGETS"
+  value: "//ruby/..."
+}
+
+env_vars {
+  key: "BAZEL_EXTRA_FLAGS"
+  value: "--define=ruby_platform=c"
+}
+
+action {
+  define_artifacts {
+    regex: "**/sponge_log.*"
+  }
+}

libs/protobuf/kokoro/linux/ruby25/continuous.cfg

@@ -0,0 +1 @@
+# Keep this file empty! Use common.cfg instead.

libs/protobuf/kokoro/linux/ruby25/presubmit.cfg

@@ -0,0 +1 @@
+# Keep this file empty! Use common.cfg instead.