gazelle: use default proto generation except for testgrid/config

hack/update-bazel.sh

@@ -48,7 +48,6 @@ touch "${TESTINFRA_ROOT}/vendor/BUILD"
 "${TMP_GOPATH}/bin/gazelle" fix \
   -build_file_name=BUILD,BUILD.bazel \
   -external=vendored \
-  -proto=legacy \
   -mode=fix \
   -repo_root="${TESTINFRA_ROOT}"
 

hack/verify-bazel.sh

@@ -35,7 +35,6 @@ touch "${TESTINFRA_ROOT}/vendor/BUILD"
 gazelle_diff=$("${TMP_GOPATH}/bin/gazelle" fix \
   -build_file_name=BUILD,BUILD.bazel \
   -external=vendored \
-  -proto=legacy \
   -mode=diff \
   -repo_root="${TESTINFRA_ROOT}")
 

testgrid/config/BUILD

@@ -1,3 +1,9 @@
+# gazelle:proto legacy
+# Gazelle gets confused by the config.proto file here, since it is in the same directory
+# but a different package from main.go.
+# Also, we can't even use the default proto rules, since we apply nonstandard tags to the
+# generated code to support YAML.
+
 package(default_visibility = ["//visibility:public"])
 
 load(