CopyFile copies a file from source to dest and returns an error if any.
(afs afero.Fs, source, dest string, fileMode, dirMode fs.FileMode)
| 32 | // CopyFile copies a file from source to dest and returns |
| 33 | // an error if any. |
| 34 | func CopyFile(afs afero.Fs, source, dest string, fileMode, dirMode fs.FileMode) error { |
| 35 | // Open the source file. |
| 36 | src, err := afs.Open(source) |
| 37 | if err != nil { |
| 38 | return err |
| 39 | } |
| 40 | defer src.Close() |
| 41 | |
| 42 | // Makes the directory needed to create the dst |
| 43 | // file. |
| 44 | err = afs.MkdirAll(filepath.Dir(dest), dirMode) |
| 45 | if err != nil { |
| 46 | return err |
| 47 | } |
| 48 | |
| 49 | // Create the destination file. |
| 50 | dst, err := afs.OpenFile(dest, os.O_RDWR|os.O_CREATE|os.O_TRUNC, fileMode) |
| 51 | if err != nil { |
| 52 | return err |
| 53 | } |
| 54 | defer dst.Close() |
| 55 | |
| 56 | // Copy the contents of the file. |
| 57 | _, err = io.Copy(dst, src) |
| 58 | if err != nil { |
| 59 | return err |
| 60 | } |
| 61 | |
| 62 | // Copy the mode |
| 63 | info, err := afs.Stat(source) |
| 64 | if err != nil { |
| 65 | return err |
| 66 | } |
| 67 | err = afs.Chmod(dest, info.Mode()) |
| 68 | if err != nil { |
| 69 | return err |
| 70 | } |
| 71 | |
| 72 | return nil |
| 73 | } |
| 74 | |
| 75 | // CommonPrefix returns common directory path of provided files |
| 76 | func CommonPrefix(sep byte, paths ...string) string { |