github.com/huandu/go@v0.0.0-20151114150818-04e615e41150/misc/android/cleaner.go (about)

     1  // Copyright 2015 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  // Cleaner removes anything from /data/local/tmp/goroot not on a builtin list.
     6  // Used by androidtest.bash.
     7  package main
     8  
     9  import (
    10  	"log"
    11  	"os"
    12  	"path/filepath"
    13  	"strings"
    14  )
    15  
    16  func main() {
    17  	const goroot = "/data/local/tmp/goroot"
    18  	expect := make(map[string]bool)
    19  	for _, f := range strings.Split(files, "\n") {
    20  		expect[filepath.Join(goroot, f)] = true
    21  	}
    22  
    23  	err := filepath.Walk(goroot, func(path string, info os.FileInfo, err error) error {
    24  		if expect[path] {
    25  			return nil
    26  		}
    27  		log.Printf("removing %s", path)
    28  		if err := os.RemoveAll(path); err != nil {
    29  			return err
    30  		}
    31  		if info.IsDir() {
    32  			return filepath.SkipDir
    33  		}
    34  		return nil
    35  	})
    36  	if err != nil {
    37  		log.Fatal(err)
    38  	}
    39  }