1 files changed, 50 insertions, 0 deletions
diff --git a/libgo/go/cmd/go/vet.go b/libgo/go/cmd/go/vet.go
new file mode 100644
index 0000000000..02ff54b2ac
--- /dev/null
+++ b/libgo/go/cmd/go/vet.go
@@ -0,0 +1,50 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "path/filepath"
+
+func init() {
+	addBuildFlagsNX(cmdVet)
+}
+
+var cmdVet = &Command{
+	Run:       runVet,
+	UsageLine: "vet [-n] [-x] [packages]",
+	Short:     "run go tool vet on packages",
+	Long: `
+Vet runs the Go vet command on the packages named by the import paths.
+
+For more about vet, see 'godoc golang.org/x/tools/cmd/vet'.
+For more about specifying packages, see 'go help packages'.
+
+To run the vet tool with specific options, run 'go tool vet'.
+
+The -n flag prints commands that would be executed.
+The -x flag prints commands as they are executed.
+
+See also: go fmt, go fix.
+	`,
+}
+
+func runVet(cmd *Command, args []string) {
+	for _, p := range packages(args) {
+		// Vet expects to be given a set of files all from the same package.
+		// Run once for package p and once for package p_test.
+		if len(p.GoFiles)+len(p.CgoFiles)+len(p.TestGoFiles) > 0 {
+			runVetFiles(p, stringList(p.GoFiles, p.CgoFiles, p.TestGoFiles, p.SFiles))
+		}
+		if len(p.XTestGoFiles) > 0 {
+			runVetFiles(p, stringList(p.XTestGoFiles))
+		}
+	}
+}
+
+func runVetFiles(p *Package, files []string) {
+	for i := range files {
+		files[i] = filepath.Join(p.Dir, files[i])
+	}
+	run(tool("vet"), relPaths(files))
+}