libgo/go/cmd/go/internal/fix/fix.go

   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 fix implements the ``go fix'' command.
   6 package fix
   7
   8 import (
   9         "cmd/go/internal/base"
  10         "cmd/go/internal/cfg"
  11         "cmd/go/internal/load"
  12         "cmd/go/internal/modload"
  13         "cmd/go/internal/str"
  14         "fmt"
  15         "os"
  16 )
  17
  18 var CmdFix = &base.Command{
  19         Run:       runFix,
  20         UsageLine: "go fix [packages]",
  21         Short:     "update packages to use new APIs",
  22         Long: `
  23 Fix runs the Go fix command on the packages named by the import paths.
  24
  25 For more about fix, see 'go doc cmd/fix'.
  26 For more about specifying packages, see 'go help packages'.
  27
  28 To run fix with specific options, run 'go tool fix'.
  29
  30 See also: go fmt, go vet.
  31         `,
  32 }
  33
  34 func runFix(cmd *base.Command, args []string) {
  35         printed := false
  36         for _, pkg := range load.Packages(args) {
  37                 if modload.Enabled() && !pkg.Module.Main {
  38                         if !printed {
  39                                 fmt.Fprintf(os.Stderr, "go: not fixing packages in dependency modules\n")
  40                                 printed = true
  41                         }
  42                         continue
  43                 }
  44                 // Use pkg.gofiles instead of pkg.Dir so that
  45                 // the command only applies to this package,
  46                 // not to packages in subdirectories.
  47                 files := base.RelPaths(pkg.InternalAllGoFiles())
  48                 base.Run(str.StringList(cfg.BuildToolexec, base.Tool("fix"), files))
  49         }
  50 }