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// 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 fix implements the “go fix” command.
package fix
import (
"cmd/go/internal/base"
"cmd/go/internal/cfg"
"cmd/go/internal/load"
"cmd/go/internal/modload"
"cmd/go/internal/str"
"cmd/go/internal/work"
"context"
"fmt"
"go/build"
"os"
)
var CmdFix = &base.Command{
UsageLine: "go fix [-fix list] [packages]",
Short: "update packages to use new APIs",
Long: `
Fix runs the Go fix command on the packages named by the import paths.
The -fix flag sets a comma-separated list of fixes to run.
The default is all known fixes.
(Its value is passed to 'go tool fix -r'.)
For more about fix, see 'go doc cmd/fix'.
For more about specifying packages, see 'go help packages'.
To run fix with other options, run 'go tool fix'.
See also: go fmt, go vet.
`,
}
var fixes = CmdFix.Flag.String("fix", "", "comma-separated list of fixes to apply")
func init() {
work.AddBuildFlags(CmdFix, work.DefaultBuildFlags)
CmdFix.Run = runFix // fix cycle
}
func runFix(ctx context.Context, cmd *base.Command, args []string) {
pkgs := load.PackagesAndErrors(ctx, load.PackageOpts{}, args)
w := 0
for _, pkg := range pkgs {
if pkg.Error != nil {
base.Errorf("%v", pkg.Error)
continue
}
pkgs[w] = pkg
w++
}
pkgs = pkgs[:w]
printed := false
for _, pkg := range pkgs {
if modload.Enabled() && pkg.Module != nil && !pkg.Module.Main {
if !printed {
fmt.Fprintf(os.Stderr, "go: not fixing packages in dependency modules\n")
printed = true
}
continue
}
// Use pkg.gofiles instead of pkg.Dir so that
// the command only applies to this package,
// not to packages in subdirectories.
files := base.RelPaths(pkg.InternalAllGoFiles())
goVersion := ""
if pkg.Module != nil {
goVersion = "go" + pkg.Module.GoVersion
} else if pkg.Standard {
goVersion = build.Default.ReleaseTags[len(build.Default.ReleaseTags)-1]
}
var fixArg []string
if *fixes != "" {
fixArg = []string{"-r=" + *fixes}
}
base.Run(str.StringList(cfg.BuildToolexec, base.Tool("fix"), "-go="+goVersion, fixArg, files))
}
}
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