Fix nlreturn lint warnings

internal/aes7z/reader.go

@@ -24,6 +24,7 @@ func (rc *readCloser) Close() error {
 		err = rc.rc.Close()
 		rc.rc, rc.br = nil, nil
 	}
+
 	return err
 }
 
@@ -33,6 +34,7 @@ func (rc *readCloser) Password(p string) error {
 		return err
 	}
 	rc.br = cipherio.NewBlockReader(rc.rc, cipher.NewCBCDecrypter(block, rc.iv))
+
 	return nil
 }
 
@@ -43,6 +45,7 @@ func (rc *readCloser) Read(p []byte) (int, error) {
 	if rc.br == nil {
 		return 0, errors.New("aes7z: no password set")
 	}
+
 	return rc.br.Read(p)
 }
 

internal/bcj2/reader.go

@@ -90,6 +90,7 @@ func (rc *readCloser) Close() error {
 	if rc.main != nil {
 		err = multierror.Append(err, rc.main.Close(), rc.call.Close(), rc.jump.Close(), rc.rd.Close())
 	}
+
 	return err.ErrorOrNil()
 }
 
@@ -127,6 +128,7 @@ func (rc *readCloser) decode(i int) (bool, error) {
 		if err := rc.update(); err != nil {
 			return false, err
 		}
+
 		return false, nil
 	}
 
@@ -136,6 +138,7 @@ func (rc *readCloser) decode(i int) (bool, error) {
 	if err := rc.update(); err != nil {
 		return false, err
 	}
+
 	return true, nil
 }
 

internal/bzip2/reader.go

@@ -17,13 +17,15 @@ func (rc *readCloser) Close() error {
 		err = rc.c.Close()
 		rc.c, rc.r = nil, nil
 	}
+
 	return err
 }
 
 func (rc *readCloser) Read(p []byte) (int, error) {
 	if rc.r == nil {
 		return 0, errors.New("bzip2: Read after Close")
 	}
+
 	return rc.r.Read(p)
 }
 

internal/deflate/reader.go

@@ -27,6 +27,7 @@ func (rc *readCloser) Close() error {
 		err = rc.c.Close()
 		rc.c, rc.fr = nil, nil
 	}
+
 	return err
 }
 
@@ -36,6 +37,7 @@ func (rc *readCloser) Read(p []byte) (int, error) {
 	if rc.fr == nil {
 		return 0, errors.New("deflate: Read after Close")
 	}
+
 	return rc.fr.Read(p)
 }
 

internal/delta/reader.go

@@ -20,6 +20,7 @@ func (rc *readCloser) Close() (err error) {
 		err = rc.rc.Close()
 		rc.rc = nil
 	}
+
 	return
 }
 

internal/lzma/reader.go

@@ -20,13 +20,15 @@ func (rc *readCloser) Close() error {
 		err = rc.c.Close()
 		rc.c, rc.r = nil, nil
 	}
+
 	return err
 }
 
 func (rc *readCloser) Read(p []byte) (int, error) {
 	if rc.r == nil {
 		return 0, errors.New("lzma: Read after Close")
 	}
+
 	return rc.r.Read(p)
 }
 

internal/lzma2/reader.go

@@ -18,13 +18,15 @@ func (rc *readCloser) Close() error {
 		err = rc.c.Close()
 		rc.c, rc.r = nil, nil
 	}
+
 	return err
 }
 
 func (rc *readCloser) Read(p []byte) (int, error) {
 	if rc.r == nil {
 		return 0, errors.New("lzma2: Read after Close")
 	}
+
 	return rc.r.Read(p)
 }
 

internal/util/reader.go

@@ -41,6 +41,7 @@ func (rc *byteReadCloser) ReadByte() (byte, error) {
 	if n == 0 {
 		return 0, io.ErrNoProgress
 	}
+
 	return b[0], nil
 }
 
@@ -50,5 +51,6 @@ func ByteReadCloser(r io.ReadCloser) ReadCloser {
 	if rc, ok := r.(ReadCloser); ok {
 		return rc
 	}
+
 	return &byteReadCloser{r}
 }

reader.go

@@ -92,6 +92,7 @@ func OpenReaderWithPassword(name, password string) (*ReadCloser, error) {
 	info, err := f.Stat()
 	if err != nil {
 		err = multierror.Append(err, f.Close())
+
 		return nil, err
 	}
 
@@ -110,6 +111,7 @@ func OpenReaderWithPassword(name, password string) (*ReadCloser, error) {
 				for _, file := range files {
 					err = multierror.Append(err, file.Close())
 				}
+
 				return nil, err
 			}
 			files = append(files, f)
@@ -119,6 +121,7 @@ func OpenReaderWithPassword(name, password string) (*ReadCloser, error) {
 				for _, file := range files {
 					err = multierror.Append(err, file.Close())
 				}
+
 				return nil, err
 			}
 
@@ -134,6 +137,7 @@ func OpenReaderWithPassword(name, password string) (*ReadCloser, error) {
 		for _, file := range files {
 			err = multierror.Append(err, file.Close())
 		}
+
 		return nil, err
 	}
 	r.f = files
@@ -245,6 +249,7 @@ func readSizes(r io.ByteReader, count uint64) ([]uint64, error) {
 		}
 		sizes[i] = size
 	}
+
 	return sizes, nil
 }
 
@@ -327,6 +332,7 @@ func readCoder(r util.Reader) (*coder, error) {
 		if err != nil {
 			return nil, err
 		}
+
 		return nil, errIncompleteRead
 	}
 
@@ -355,6 +361,7 @@ func readCoder(r util.Reader) (*coder, error) {
 			if err != nil {
 				return nil, err
 			}
+
 			return nil, errIncompleteRead
 		}
 	}
@@ -427,6 +434,7 @@ func readUnpackInfo(r util.Reader) (*unpackInfo, error) {
 		if err != nil {
 			return nil, err
 		}
+
 		return nil, errUnexpectedID
 	}
 
@@ -463,6 +471,7 @@ func readUnpackInfo(r util.Reader) (*unpackInfo, error) {
 		if err != nil {
 			return nil, err
 		}
+
 		return nil, errUnexpectedID
 	}
 
@@ -706,6 +715,7 @@ func readNames(r util.Reader, count, length uint64) ([]string, error) {
 	if i != count {
 		return nil, errors.New("sevenzip: wrong number of filenames")
 	}
+
 	return names, nil
 }
 
@@ -1019,6 +1029,7 @@ func (z *Reader) init(r io.ReaderAt, size int64) error {
 			if err != nil {
 				return err
 			}
+
 			return errUnexpectedID
 		}
 
@@ -1074,5 +1085,6 @@ func (rc *ReadCloser) Close() error {
 	for _, f := range rc.f {
 		err = multierror.Append(err, f.Close())
 	}
+
 	return err.ErrorOrNil()
 }

register.go

@@ -62,5 +62,6 @@ func decompressor(method []byte) Decompressor {
 	if !ok {
 		return nil
 	}
+
 	return di.(Decompressor)
 }

struct.go

@@ -98,6 +98,7 @@ func (f *folder) findInBindPair(i uint64) *bindPair {
 			return v
 		}
 	}
+
 	return nil
 }
 
@@ -107,6 +108,7 @@ func (f *folder) findOutBindPair(i uint64) *bindPair {
 			return v
 		}
 	}
+
 	return nil
 }
 
@@ -150,6 +152,7 @@ func newFolderReadCloser(rc io.ReadCloser) io.ReadCloser {
 	nrc := new(folderReadCloser)
 	nrc.h = crc32.NewIEEE()
 	nrc.rc = plumbing.TeeReadCloser(rc, nrc.h)
+
 	return nrc
 }
 
@@ -162,6 +165,7 @@ func (f *folder) unpackSize() uint64 {
 			return f.size[i]
 		}
 	}
+
 	return f.size[len(f.size)-1]
 }
 
@@ -202,6 +206,7 @@ func (si *streamsInfo) FileFolderAndSize(file int) (int, uint64) {
 	if streams == 1 {
 		return folder, si.unpackInfo.folder[folder].size[len(si.unpackInfo.folder[folder].coder)-1]
 	}
+
 	return folder, si.subStreamsInfo.size[file]
 }
 
@@ -213,6 +218,7 @@ func (si *streamsInfo) folderOffset(folder int) int64 {
 		}
 		k += si.unpackInfo.folder[i].packedStreams
 	}
+
 	return int64(si.packInfo.position + offset)
 }
 
@@ -278,6 +284,7 @@ func (si *streamsInfo) FolderReader(r io.ReaderAt, folder int, password string)
 	if si.unpackInfo.digest != nil {
 		return fr, si.unpackInfo.digest[folder], nil
 	}
+
 	return fr, 0, nil
 }
 
@@ -363,6 +370,7 @@ func (h *FileHeader) Mode() (mode os.FileMode) {
 	} else {
 		mode = msdosModeToFileMode(h.Attributes)
 	}
+
 	return
 }
 
@@ -375,6 +383,7 @@ func msdosModeToFileMode(m uint32) (mode os.FileMode) {
 	if m&msdosReadOnly != 0 {
 		mode &^= 0222
 	}
+
 	return mode
 }
 
@@ -405,5 +414,6 @@ func unixModeToFileMode(m uint32) os.FileMode {
 	if m&sISVTX != 0 {
 		mode |= os.ModeSticky
 	}
+
 	return mode
 }