func findDuplicatesOf(store *storage.Storage, tx *storage.Tx, paths []string, recursive bool) (error, warnings) {
settings, err := store.Settings(tx)
if err != nil {
return err, nil
}
warnings := make(warnings, 0, 10)
for _, path := range paths {
_, err := os.Stat(path)
if err != nil {
switch {
case os.IsNotExist(err):
warnings = append(warnings, fmt.Sprintf("%v: no such file", path))
continue
case os.IsPermission(err):
warnings = append(warnings, fmt.Sprintf("%v: permission denied", path))
continue
default:
return err, warnings
}
}
}
if recursive {
p, err := filesystem.Enumerate(paths...)
if err != nil {
return fmt.Errorf("could not enumerate paths: %v", err), warnings
}
paths = make([]string, len(p))
for index, path := range p {
paths[index] = path.Path
}
}
first := true
for _, path := range paths {
log.Infof(2, "%v: identifying duplicate files.", path)
fp, err := fingerprint.Create(path, settings.FileFingerprintAlgorithm(), settings.DirectoryFingerprintAlgorithm(), settings.SymlinkFingerprintAlgorithm())
if err != nil {
return fmt.Errorf("%v: could not create fingerprint: %v", path, err), warnings
}
if fp == fingerprint.Fingerprint("") {
continue
}
files, err := store.FilesByFingerprint(tx, fp)
if err != nil {
return fmt.Errorf("%v: could not retrieve files matching fingerprint '%v': %v", path, fp, err), warnings
}
absPath, err := filepath.Abs(path)
if err != nil {
return fmt.Errorf("%v: could not determine absolute path: %v", path, err), warnings
}
// filter out the file we're searching on
dupes := files.Where(func(file *entities.File) bool { return file.Path() != absPath })
if len(paths) > 1 && len(dupes) > 0 {
if first {
first = false
} else {
fmt.Println()
}
fmt.Printf("%v:\n", path)
for _, dupe := range dupes {
relPath := _path.Rel(dupe.Path())
fmt.Printf(" %v\n", relPath)
}
} else {
for _, dupe := range dupes {
relPath := _path.Rel(dupe.Path())
fmt.Println(relPath)
}
}
}
return nil, warnings
}