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// Copyright 2019 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.
//go:build ignore
package main
import (
"bytes"
"log"
"os"
"os/exec"
"text/template"
"cmd/go/internal/test/internal/genflags"
)
func main() {
if err := regenerate(); err != nil {
log.Fatal(err)
}
}
func regenerate() error {
vetAnalyzers, err := genflags.VetAnalyzers()
if err != nil {
return err
}
t := template.Must(template.New("fileTemplate").Parse(fileTemplate))
tData := map[string][]string{
"testFlags": genflags.ShortTestFlags(),
"vetAnalyzers": vetAnalyzers,
}
buf := bytes.NewBuffer(nil)
if err := t.Execute(buf, tData); err != nil {
return err
}
f, err := os.Create("flagdefs.go")
if err != nil {
return err
}
cmd := exec.Command("gofmt")
cmd.Stdin = buf
cmd.Stdout = f
cmd.Stderr = os.Stderr
cmdErr := cmd.Run()
if err := f.Close(); err != nil {
return err
}
if cmdErr != nil {
os.Remove(f.Name())
return cmdErr
}
return nil
}
const fileTemplate = `// Copyright 2019 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.
// Code generated by genflags.go — DO NOT EDIT.
package test
// passFlagToTest contains the flags that should be forwarded to
// the test binary with the prefix "test.".
var passFlagToTest = map[string]bool {
{{- range .testFlags}}
"{{.}}": true,
{{- end }}
}
var passAnalyzersToVet = map[string]bool {
{{- range .vetAnalyzers}}
"{{.}}": true,
{{- end }}
}
`
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