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packfile

package

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Versions in this module

v0

v0.11.0

Aug 1, 2023

v0.10.0

Feb 23, 2022

v0.10.0-beta1

Feb 18, 2022

v0.9.0

Jan 27, 2021

Changes in this version

+ func ResolveType(f ByteReadSeeker, offset int64, opts *UndeltifyOptions) (object.Type, error)

+ type BufferedReadSeeker struct

+ func NewBufferedReadSeeker(r io.ReadSeeker) *BufferedReadSeeker

+ func NewBufferedReadSeekerSize(r io.ReadSeeker, size int) *BufferedReadSeeker

+ func (rs *BufferedReadSeeker) Read(p []byte) (int, error)

+ func (rs *BufferedReadSeeker) ReadByte() (byte, error)

+ func (rs *BufferedReadSeeker) Seek(offset int64, whence int) (int64, error)

+ type ByteReadSeeker interface

+ type DeltaReader struct

+ func NewDeltaReader(base io.ReadSeeker, delta ByteReader) *DeltaReader

+ func (d *DeltaReader) Read(p []byte) (int, error)

+ func (d *DeltaReader) Size() (int64, error)

type Header

+ func ReadHeader(offset int64, r ByteReader) (*Header, error)

+ type Index struct

+ ObjectIDs []githash.SHA1

+ Offsets []int64

+ PackedChecksums []uint32

+ PackfileSHA1 githash.SHA1

+ func BuildIndex(f io.ReaderAt, fileSize int64, opts *IndexOptions) (*Index, error)

+ func ReadIndex(r io.Reader) (*Index, error)

+ func (idx *Index) EncodeV1(w io.Writer) error

+ func (idx *Index) EncodeV2(w io.Writer) error

+ func (idx *Index) FindID(id githash.SHA1) int

+ func (idx *Index) Len() int

+ func (idx *Index) Less(i, j int) bool

+ func (idx *Index) MarshalBinary() ([]byte, error)

+ func (idx *Index) Swap(i, j int)

+ func (idx *Index) UnmarshalBinary(data []byte) error

+ type IndexOptions struct

type ObjectType

+ func (typ ObjectType) NonDelta() object.Type

+ type Undeltifier struct

+ func (u *Undeltifier) Undeltify(f ByteReadSeeker, offset int64, opts *UndeltifyOptions) (object.Prefix, io.Reader, error)

+ type UndeltifyOptions struct

+ Index *Index

v0.8.1

Jan 2, 2021

v0.8.0

Dec 31, 2020

Changes in this version

+ func ApplyDelta(dst io.Writer, base io.ReaderAt, delta ByteReader) error

+ func DeltaObjectSize(delta ByteReader) (int64, error)

+ type ByteReader interface

+ type Header struct

+ BaseObject githash.SHA1

+ BaseOffset int64

+ Offset int64

+ Size int64

+ Type ObjectType

+ type ObjectType int8

+ const Blob

+ const Commit

+ const OffsetDelta

+ const RefDelta

+ const Tag

+ const Tree

+ func (t ObjectType) String() string

+ type Reader struct

+ func NewReader(r ByteReader) *Reader

+ func (r *Reader) Next() (*Header, error)

+ func (r *Reader) Read(p []byte) (int, error)

+ type Writer struct

+ func NewWriter(w io.Writer, objectCount uint32) *Writer

+ func (w *Writer) Close() error

+ func (w *Writer) Write(p []byte) (n int, err error)

+ func (w *Writer) WriteHeader(hdr *Header) (offset int64, err error)