One plugin per dir.

plugin/generateBuiltins.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+# This script creates the generator and
+# transformer factory functions in
+#   sigs.k8s.io/kustomize/plugin/builtin
+# by generating code based on the plugins
+# found below that directory.
+
+set -e
+
+myGoPath=$1
+if [ -z ${1+x} ]; then
+  myGoPath=$GOPATH
+fi
+
+if [ -z "$myGoPath" ]; then
+  echo "Must specify a GOPATH"
+  exit 1
+fi
+
+dir=$myGoPath/src/sigs.k8s.io/kustomize
+
+if [ ! -d "$dir" ]; then
+  echo "$dir is not a directory."
+  exit 1
+fi
+
+echo Generating linkable plugins...
+
+pushd $dir >& /dev/null
+
+GOPATH=$myGoPath go generate \
+    sigs.k8s.io/kustomize/plugin/builtin/...
+
+popd >& /dev/null
+
+echo All done.