call a go program to update Godeps.json in copy.sh

staging/src/k8s.io/client-go/copy.sh

@@ -26,6 +26,8 @@ CLIENT_REPO_FROM_SRC="${2:-"k8s.io/client-go/${RELEASE}"}"
 CLIENT_REPO="${MAIN_REPO}/staging/src/${CLIENT_REPO_FROM_SRC}"
 CLIENT_REPO_TEMP="${CLIENT_REPO}"/_tmp
 
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
 # working in the ${CLIENT_REPO_TEMP} so 'godep save' won't complain about dirty working tree.
 echo "creating the _tmp directory"
 mkdir -p "${CLIENT_REPO_TEMP}"
@@ -55,10 +57,10 @@ mkcp "/pkg/client/unversioned/portforward" "/pkg/client/unversioned"
 # remove this test because it imports the internal clientset
 rm "${CLIENT_REPO_TEMP}"/pkg/client/unversioned/portforward/portforward_test.go
 
-pushd "${CLIENT_REPO_TEMP}"
+pushd "${CLIENT_REPO_TEMP}" > /dev/null
 echo "generating vendor/"
 GO15VENDOREXPERIMENT=1 godep save ./...
-popd
+popd > /dev/null
 
 echo "move to the client repo"
 # clean the ${CLIENT_REPO}
@@ -76,6 +78,9 @@ mv "${CLIENT_REPO}"/vendor "${CLIENT_REPO}"/_vendor
 # TODO: probably we should convert the README.md a doc.go
 find ./ -name "README.md" -delete
 
+echo "rewriting Godeps.json"
+go run "${DIR}/godeps-json-updater.go" --godeps-file="${CLIENT_REPO}/Godeps/Godeps.json" --client-go-import-path="${CLIENT_REPO_FROM_SRC}"
+
 echo "rewriting imports"
 grep -Rl "\"${MAIN_REPO_FROM_SRC}" ./ | grep ".go" | grep -v "vendor/" | xargs sed -i "s|\"${MAIN_REPO_FROM_SRC}|\"${CLIENT_REPO_FROM_SRC}|g"
 

staging/src/k8s.io/client-go/godeps-json-updater.go

+/*
+Copyright 2016 The Kubernetes Authors.
+
+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.
+*/
+
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"log"
+	"os"
+	"strings"
+)
+
+var (
+	godepsFile           = flag.String("godeps-file", "", "absolute path to Godeps.json")
+	clientRepoImportPath = flag.String("client-go-import-path", "", "import path to a version of client-go, e.g., k8s.io/client-go/1.4")
+)
+
+type Dependency struct {
+	ImportPath string
+	Comment    string `json:",omitempty"`
+	Rev        string
+}
+
+type Godeps struct {
+	ImportPath   string
+	GoVersion    string
+	GodepVersion string
+	Packages     []string `json:",omitempty"` // Arguments to save, if any.
+	Deps         []Dependency
+}
+
+// rewrites the Godeps.ImportPath, removes the Deps whose ImportPath contains "k8s.io/kubernetes"
+func main() {
+	flag.Parse()
+	var g Godeps
+	if len(*godepsFile) == 0 {
+		log.Fatalf("absolute ath to Godeps.json is required")
+	}
+	if len(*clientRepoImportPath) == 0 {
+		log.Fatalf("import path to a version of client-go is required")
+	}
+	f, err := os.OpenFile(*godepsFile, os.O_RDWR, 0666)
+	if err != nil {
+		log.Fatalf("cannot open file %q: %v", *godepsFile, err)
+	}
+	defer f.Close()
+	err = json.NewDecoder(f).Decode(&g)
+	if err != nil {
+		log.Fatalf("Unable to parse %q: %v", *godepsFile, err)
+	}
+	// rewrites the Godeps.ImportPath
+	g.ImportPath = *clientRepoImportPath
+	// removes the Deps whose ImportPath contains "k8s.io/kubernetes"
+	i := 0
+	for _, dep := range g.Deps {
+		if strings.Contains(dep.ImportPath, "k8s.io/kubernetes") {
+			continue
+		}
+		g.Deps[i] = dep
+		i++
+	}
+	g.Deps = g.Deps[:i]
+	b, err := json.MarshalIndent(g, "", "\t")
+	if err != nil {
+		log.Fatal(err)
+	}
+	n, err := f.WriteAt(append(b, '\n'), 0)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err := f.Truncate(int64(n)); err != nil {
+		log.Fatal(err)
+	}
+}