12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879 |
- // Copyright (C) 2021 The Syncthing Authors.
- //
- // This Source Code Form is subject to the terms of the Mozilla Public
- // License, v. 2.0. If a copy of the MPL was not distributed with this file,
- // You can obtain one at https://mozilla.org/MPL/2.0/.
- // +build ignore
- package main
- import (
- "bufio"
- "flag"
- "io/ioutil"
- "log"
- "os"
- "os/exec"
- "path/filepath"
- "strings"
- )
- func main() {
- var path string
- flag.StringVar(&path, "t", "", "Name of file to prune")
- flag.Parse()
- filepath.Walk(path, func(path string, info os.FileInfo, err error) error {
- if err != nil {
- log.Fatal(err)
- }
- if !info.Mode().IsRegular() {
- return nil
- }
- err = pruneInterfaceCheck(path, info.Size())
- if err != nil {
- log.Fatal(err)
- }
- err = exec.Command("go", "run", "golang.org/x/tools/cmd/goimports", "-w", path).Run()
- if err != nil {
- log.Fatal(err)
- }
- return nil
- })
- }
- func pruneInterfaceCheck(path string, size int64) error {
- fd, err := os.Open(path)
- if err != nil {
- return err
- }
- defer fd.Close()
- tmp, err := ioutil.TempFile(".", "")
- if err != nil {
- return err
- }
- scanner := bufio.NewScanner(fd)
- for scanner.Scan() {
- line := scanner.Text()
- if strings.HasPrefix(strings.TrimSpace(line), "var _ ") {
- continue
- }
- if _, err := tmp.WriteString(line + "\n"); err != nil {
- os.Remove(tmp.Name())
- return err
- }
- }
- if err := fd.Close(); err != nil {
- return err
- }
- if err := os.Remove(path); err != nil {
- return err
- }
- return os.Rename(tmp.Name(), path)
- }
|