Bazel plugin support for external_plugin_deps.bzl

This is for the other plugin templates.

Follows up 4e0659f329cb78343391e6414942f6857bec1267

Change-Id: Ibbb910773f60b631f217146a625b89c19e397a69
diff --git a/jenkins/gerrit-bazel-build-its-plugin.sh b/jenkins/gerrit-bazel-build-its-plugin.sh
index d2bd185..dbb9fb7 100644
--- a/jenkins/gerrit-bazel-build-its-plugin.sh
+++ b/jenkins/gerrit-bazel-build-its-plugin.sh
@@ -6,7 +6,12 @@
 git read-tree -u --prefix=plugins/its-{name} origin/{branch}
 git read-tree -u --prefix=plugins/its-base base/{branch}
 
-rm -Rf buck-out
+rm -Rf bazel-genfiles
+'
+if [ -f plugins/its-{name}/external_plugin_deps.bzl ]
+then
+  cp -f plugins/its-{name}/external_plugin_deps.bzl plugins/
+fi
 
 . set-java.sh 8
 
diff --git a/jenkins/gerrit-bazel-build-plugin-manual.sh b/jenkins/gerrit-bazel-build-plugin-manual.sh
index 27b39c9..e9b8409 100644
--- a/jenkins/gerrit-bazel-build-plugin-manual.sh
+++ b/jenkins/gerrit-bazel-build-plugin-manual.sh
@@ -5,6 +5,11 @@
 git fetch https://gerrit.googlesource.com/plugins/{name} $REFS_CHANGE
 git read-tree -u --prefix=plugins/{name} FETCH_HEAD
 
+if [ -f plugins/{name}/external_plugin_deps.bzl ]
+then
+  cp -f plugins/{name}/external_plugin_deps.bzl plugins/
+fi
+
 TARGETS=$(echo "{targets}" | sed -e 's/{{name}}/{name}/g')
 
 . set-java.sh 8