cmd/go: add GOOS/GOARCH to go version output

Fixes #4492.

% go version
go version devel +6b602ab487d6 Sat Dec 08 14:43:00 2012 +0100 linux/amd64

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6906058

diff --git a/src/cmd/go/version.go b/src/cmd/go/version.go
index 09e2f163342bdf32d8b8e344b2e4842c06a651c5..a41f4a7361546d1067cf076697f82a68178b30e2 100644 (file)
--- a/src/cmd/go/version.go
+++ b/src/cmd/go/version.go
@@ -21,5 +21,5 @@ func runVersion(cmd *Command, args []string) {
                cmd.Usage()
        }
 
-       fmt.Printf("go version %s\n", runtime.Version())
+       fmt.Printf("go version %s %s/%s\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
 }