mirror of
https://github.com/syncthing/syncthing.git
synced 2024-11-17 02:48:57 -07:00
90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. If not, see <http://www.gnu.org/licenses/>.
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// +build ignore
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package main
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import (
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"crypto/md5"
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"flag"
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"fmt"
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"io"
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"os"
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"path/filepath"
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)
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var (
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long bool
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dirs bool
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)
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func main() {
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flag.BoolVar(&long, "l", false, "Long output")
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flag.BoolVar(&dirs, "d", false, "Check dirs")
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flag.Parse()
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args := flag.Args()
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if len(args) == 0 {
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args = []string{"."}
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}
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for _, path := range args {
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err := filepath.Walk(path, walker)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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}
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func walker(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if dirs && info.IsDir() {
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fmt.Printf("%s %s 0%03o %d\n", "-", path, info.Mode(), info.ModTime().Unix())
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} else if !info.IsDir() {
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sum, err := md5file(path)
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if err != nil {
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return err
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}
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if long {
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fmt.Printf("%s %s 0%03o %d\n", sum, path, info.Mode(), info.ModTime().Unix())
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} else {
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fmt.Printf("%s %s\n", sum, path)
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}
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}
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return nil
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}
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func md5file(fname string) (hash string, err error) {
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f, err := os.Open(fname)
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if err != nil {
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return
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}
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defer f.Close()
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h := md5.New()
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io.Copy(h, f)
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hb := h.Sum(nil)
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hash = fmt.Sprintf("%x", hb)
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return
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}
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