github.com/FenixAra/go@v0.0.0-20170127160404-96ea0918e670/src/cmd/go/vet.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 main
     6  
     7  import "path/filepath"
     8  
     9  func init() {
    10  	addBuildFlags(cmdVet)
    11  }
    12  
    13  var cmdVet = &Command{
    14  	Run:       runVet,
    15  	UsageLine: "vet [-n] [-x] [build flags] [packages]",
    16  	Short:     "run go tool vet on packages",
    17  	Long: `
    18  Vet runs the Go vet command on the packages named by the import paths.
    19  
    20  For more about vet, see 'go doc cmd/vet'.
    21  For more about specifying packages, see 'go help packages'.
    22  
    23  To run the vet tool with specific options, run 'go tool vet'.
    24  
    25  The -n flag prints commands that would be executed.
    26  The -x flag prints commands as they are executed.
    27  
    28  For more about build flags, see 'go help build'.
    29  
    30  See also: go fmt, go fix.
    31  	`,
    32  }
    33  
    34  func runVet(cmd *Command, args []string) {
    35  	for _, p := range packages(args) {
    36  		// Vet expects to be given a set of files all from the same package.
    37  		// Run once for package p and once for package p_test.
    38  		if len(p.GoFiles)+len(p.CgoFiles)+len(p.TestGoFiles) > 0 {
    39  			runVetFiles(p, stringList(p.GoFiles, p.CgoFiles, p.TestGoFiles, p.SFiles))
    40  		}
    41  		if len(p.XTestGoFiles) > 0 {
    42  			runVetFiles(p, stringList(p.XTestGoFiles))
    43  		}
    44  	}
    45  }
    46  
    47  func runVetFiles(p *Package, files []string) {
    48  	for i := range files {
    49  		files[i] = filepath.Join(p.Dir, files[i])
    50  	}
    51  	run(buildToolExec, tool("vet"), relPaths(files))
    52  }