github.com/yukk001/go1.10.8@v0.0.0-20190813125351-6df2d3982e20/src/cmd/go/internal/version/version.go (about)

     1  // Copyright 2011 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Package version implements the ``go version'' command.
     6  package version
     7  
     8  import (
     9  	"fmt"
    10  	"runtime"
    11  
    12  	"cmd/go/internal/base"
    13  )
    14  
    15  var CmdVersion = &base.Command{
    16  	Run:       runVersion,
    17  	UsageLine: "version",
    18  	Short:     "print Go version",
    19  	Long:      `Version prints the Go version, as reported by runtime.Version.`,
    20  }
    21  
    22  func runVersion(cmd *base.Command, args []string) {
    23  	if len(args) != 0 {
    24  		cmd.Usage()
    25  	}
    26  
    27  	fmt.Printf("go version %s %s/%s\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
    28  }