Hack to ignore stale packages in godep

Change-Id: Ibf0877521310d6f2baad605bf1216940e95cb9cd

hack/godep-save.sh

@@ -52,9 +52,23 @@ if [[ -d Godeps ]]; then
     mv Godeps "${BACKUP}/Godeps"
 fi
 
+## Workaround "httplex" was dropped from golang.org/x/net repo and the code
+## was moved to the "golang.org/x/net/http/httpguts" directory, we do not use
+## this directly, however many packages we vendor are still using the older
+## golang.org/x/net and we need to keep this until all those dependencies
+## are switched to newer golang.org/x/net.
+IGNORED_PACKAGES=(
+  "golang.org/x/net/lex/httplex"
+)
+REQUIRED_BINS=(
+  "golang.org/x/net/internal/nettest"
+  "golang.org/x/net/internal/socks"
+  "golang.org/x/net/internal/sockstest"
+)
+
 # Some things we want in godeps aren't code dependencies, so ./...
 # won't pick them up.
-REQUIRED_BINS=(
+REQUIRED_BINS+=(
   "github.com/bazelbuild/bazel-gazelle/cmd/gazelle"
   "github.com/bazelbuild/buildtools/buildozer"
   "github.com/cespare/prettybench"
@@ -74,7 +88,7 @@ kube::log::status "Running godep save - this might take a while"
 # This uses $(pwd) rather than ${KUBE_ROOT} because KUBE_ROOT will be
 # realpath'ed, and godep barfs ("... is not using a known version control
 # system") on our staging dirs.
-GOPATH="${GOPATH}:$(pwd)/staging" ${KUBE_GODEP:?} save "${REQUIRED_BINS[@]}"
+GOPATH="${GOPATH}:$(pwd)/staging" ${KUBE_GODEP:?} save -i $(IFS=,; echo "${IGNORED_PACKAGES[*]}") "${REQUIRED_BINS[@]}"
 
 # create a symlink in vendor directory pointing to the staging client. This
 # let other packages use the staging client as if it were vendored.

third_party/forked/godep/pkg.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"fmt"
 	"go/build"
+	"os"
 	"regexp"
+	"sort"
 	"strings"
 )
 
@@ -42,9 +45,19 @@ func LoadPackages(names ...string) (a []*Package, err error) {
 	if len(names) == 0 {
 		return nil, nil
 	}
+
+	pkgs := strings.Split(ignorePackages, ",")
+	sort.Strings(pkgs)
 	for _, i := range importPaths(names) {
 		p, err := listPackage(i)
 		if err != nil {
+			if len(pkgs) > 0 {
+				idx := sort.SearchStrings(pkgs, i)
+				if idx < len(pkgs) && pkgs[idx] == i {
+					fmt.Fprintf(os.Stderr, "warning: ignoring package %q \n", i)
+					continue
+				}
+			}
 			return nil, err
 		}
 		a = append(a, p)

third_party/forked/godep/save.go

@@ -64,11 +64,13 @@ For more about specifying packages, see 'go help packages'.
 
 var (
 	saveR, saveT bool
+	ignorePackages string
 )
 
 func init() {
 	cmdSave.Flag.BoolVar(&saveR, "r", false, "rewrite import paths")
 	cmdSave.Flag.BoolVar(&saveT, "t", false, "save test files")
+	cmdSave.Flag.StringVar(&ignorePackages, "i", "", "list of packages to ignore separated by commas")
 }
 
 func runSave(cmd *Command, args []string) {