131 lines
3.0 KiB
Go
131 lines
3.0 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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)
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func IsSymlink(path string) (bool, error) {
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fileInfo, err := os.Lstat(path)
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if err != nil {
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return false, err
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}
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// os.ModeSymlink is a bitmask that identifies the symlink mode.
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// If the file mode & os.ModeSymlink is non-zero, the file is a symlink.
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return fileInfo.Mode()&os.ModeSymlink != 0, nil
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}
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func FileExists(path string) bool {
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_, err := os.Lstat(path)
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return err == nil
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}
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func NormalizePath(input string) string {
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workingdirectory, _ := os.Getwd()
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input = strings.ReplaceAll(input, "\\", "/")
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input = strings.ReplaceAll(input, "\"", "")
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if !filepath.IsAbs(input) {
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input = workingdirectory + "/" + input
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}
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return filepath.Clean(input)
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}
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func AreSame(lhs string, rhs string) bool {
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lhsinfo, err := os.Stat(lhs)
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if err != nil {
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return false
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}
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rhsinfo, err := os.Stat(rhs)
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if err != nil {
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return false
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}
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return os.SameFile(lhsinfo, rhsinfo)
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}
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func ConvertHome(input string) (string, error) {
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if strings.Contains(input, "~") {
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homedir, err := os.UserHomeDir()
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if err != nil {
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return input, fmt.Errorf("unable to convert ~ to user directory with error %+v", err)
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}
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return strings.Replace(input, "~", homedir, 1), nil
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}
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return input, nil
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}
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func GetSyncFilesRecursively(input string, output chan string, status chan error) {
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defer close(output)
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defer close(status)
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var filesProcessed int32
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var foldersProcessed int32
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progressTicker := time.NewTicker(200 * time.Millisecond)
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defer progressTicker.Stop()
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go func() {
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for {
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fmt.Printf("\rFiles processed: %d; Folders processed: %d;", filesProcessed, foldersProcessed)
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<-progressTicker.C
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}
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}()
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var wg sync.WaitGroup
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wg.Add(1)
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var initial sync.Once
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directories := make(chan string, 10000)
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workerPool := make(chan struct{}, 10000)
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directories <- input
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log.Printf("%+v", len(workerPool))
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go func() {
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for directory := range directories {
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workerPool <- struct{}{}
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wg.Add(1)
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go func(directory string) {
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atomic.AddInt32(&foldersProcessed, 1)
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defer wg.Done()
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defer func() { <-workerPool }()
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// log.Printf("Reading directory %s", directory)
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files, err := os.ReadDir(directory)
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if err != nil {
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log.Printf("Error reading directory %s: %+v", directory, err)
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return
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}
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for _, file := range files {
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// log.Printf("Processing file %s", file.Name())
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if file.IsDir() {
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directories <- filepath.Join(directory, file.Name())
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} else {
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// log.Println(file.Name(), DirRegex.MatchString(file.Name()))
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if FileRegex.MatchString(file.Name()) {
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log.Printf("Writing")
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output <- filepath.Join(directory, file.Name())
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}
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atomic.AddInt32(&filesProcessed, 1)
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}
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}
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// log.Printf("Done reading directory %s", directory)
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initial.Do(func() {
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wg.Done()
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})
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}(directory)
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}
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}()
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wg.Wait()
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log.Printf("Done")
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}
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