filebrowser/backend/fileutils/dir.go

68 lines
1.2 KiB
Go

package fileutils
import (
"errors"
"os"
"path/filepath"
)
// CopyDir copies a directory from source to dest and all
// of its sub-directories. It doesn't stop if it finds an error
// during the copy. Returns an error if any.
func CopyDir(source, dest string) error {
// Get properties of source.
srcinfo, err := os.Stat(source)
if err != nil {
return err
}
// Create the destination directory.
err = os.MkdirAll(dest, srcinfo.Mode())
if err != nil {
return err
}
dir, err := os.Open(source)
if err != nil {
return err
}
defer dir.Close()
obs, err := dir.Readdir(-1)
if err != nil {
return err
}
var errs []error
for _, obj := range obs {
fsource := filepath.Join(source, obj.Name())
fdest := filepath.Join(dest, obj.Name())
if obj.IsDir() {
// Create sub-directories, recursively.
err = CopyDir(fsource, fdest)
if err != nil {
errs = append(errs, err)
}
} else {
// Perform the file copy.
err = CopyFile(fsource, fdest)
if err != nil {
errs = append(errs, err)
}
}
}
var errString string
for _, err := range errs {
errString += err.Error() + "\n"
}
if errString != "" {
return errors.New(errString)
}
return nil
}