Add check-vendor script

This checks vendor dir for nested vendors
and if vendor has been cleaned by glide-vc

.travis.yml

@@ -11,11 +11,14 @@ go:
 before_install:
   - go get github.com/mattn/goveralls
   - go get github.com/modocache/gover
+  - go get github.com/Masterminds/glide
+  - go get github.com/sgotti/glide-vc
 
 install:
   - true
 
 script:
+  - make check-vendor
   - make validate
   - make test-unit-cover
   # gover collects all .coverprofile files and saves it to one file gover.coverprofile

Makefile

@@ -54,3 +54,6 @@ lint:
 	./script/make.sh validate-lint
 gofmt:
 	./script/make.sh validate-gofmt
+
+check-vendor:
+	./script/make.sh check-vendor

script/check-vendor

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+
+# Check if there are nested vendor dirs inside Kompose vendor.
+# All dependencies should be flattened and there shouldn't be vendor in inside vendor.  
+function check_nested_vendor() {
+    echo "Checking if there are nested vendor dirs"
+
+    # count all vendor directories inside Kompose vendor
+    NO_NESTED_VENDORS=$(find vendor/ -type d | sed 's/^[^/]*.//g' | grep -E "vendor$" | grep -v _vendor | wc -l)
+    
+    if [ $NO_NESTED_VENDORS -ne 0 ]; then
+        echo "ERROR"
+        echo "  There are $NO_NESTED_VENDORS nested vendors in Kompose vendor directory"
+        echo "  Please run 'glide update --strip-vendor'"
+        return 1
+    else
+        echo "OK"
+        return 0
+    fi
+}
+
+
+# Check if Kompose vendor directory was cleaned by glide-vc  
+function check_glide-vc() {
+    echo "Checking if vendor was cleaned using glide-vc."
+
+    # dry run glide-vc and count how many could be deleted. 
+    NO_DELETED_FILES=$($GOPATH/bin/glide-vc --only-code --no-tests --dryrun | wc -l)
+    
+    if [ $NO_DELETED_FILES -ne 0 ]; then
+        echo "ERROR"
+        echo "  There are $NO_DELETED_FILES files that can be deleted by glide-vc."
+        echo "  Please run 'glide-vc --only-code --no-tests'" 
+        return 1
+    else
+        echo "OK"
+        return 0
+    fi
+}
+
+
+# Run both checks and exit report fail exit code if one of them failed.
+check_nested_vendor
+VENDOR_CHECK=$?
+
+check_glide-vc
+VC_CHECK=$? 
+
+if [ $VENDOR_CHECK -eq 0 ] && [ $VC_CHECK -eq 0 ]; then
+    exit 0
+else
+    exit 1
+fi
+