Add buildvcs flag

Signed-off-by: Luca Comellini <luca.com@gmail.com>

types/config.go

@@ -202,6 +202,7 @@ type GoFlagsConfig struct {
 	A             bool
 	ASMFlags      string
 	BuildMode     string
+	BuildVCS      bool
 	Compiler      string
 	GCCGoFlags    string
 	GCFlags       string
@@ -528,6 +529,8 @@ var GoBuildFlags = GinkgoFlags{
 		Usage: "arguments to pass on each go tool asm invocation."},
 	{KeyPath: "Go.BuildMode", Name: "buildmode", UsageArgument: "mode", SectionKey: "go-build",
 		Usage: "build mode to use. See 'go help buildmode' for more."},
+	{KeyPath: "Go.BuildVCS", Name: "buildvcs", SectionKey: "go-build",
+		Usage: "adds version control information."},
 	{KeyPath: "Go.Compiler", Name: "compiler", UsageArgument: "name", SectionKey: "go-build",
 		Usage: "name of compiler to use, as in runtime.Compiler (gccgo or gc)."},
 	{KeyPath: "Go.GCCGoFlags", Name: "gccgoflags", UsageArgument: "'[pattern=]arg list'", SectionKey: "go-build",