diff options
Diffstat (limited to 'plumbing/format')
| -rw-r--r-- | plumbing/format/index/decoder.go | 2 | ||||
| -rw-r--r-- | plumbing/format/packfile/packfile.go | 18 |
2 files changed, 19 insertions, 1 deletions
diff --git a/plumbing/format/index/decoder.go b/plumbing/format/index/decoder.go index 1a58128..df25530 100644 --- a/plumbing/format/index/decoder.go +++ b/plumbing/format/index/decoder.go @@ -21,7 +21,7 @@ var ( // ErrMalformedSignature is returned by Decode when the index header file is // malformed ErrMalformedSignature = errors.New("malformed index signature file") - // ErrInvalidChecksum is returned by Decode if the SHA1 hash missmatch with + // ErrInvalidChecksum is returned by Decode if the SHA1 hash mismatch with // the read content ErrInvalidChecksum = errors.New("invalid checksum") diff --git a/plumbing/format/packfile/packfile.go b/plumbing/format/packfile/packfile.go index 852a834..0d13066 100644 --- a/plumbing/format/packfile/packfile.go +++ b/plumbing/format/packfile/packfile.go @@ -90,6 +90,24 @@ func (p *Packfile) GetByOffset(o int64) (plumbing.EncodedObject, error) { return p.nextObject() } +// GetSizeByOffset retrieves the size of the encoded object from the +// packfile with the given offset. +func (p *Packfile) GetSizeByOffset(o int64) (size int64, err error) { + if _, err := p.s.SeekFromStart(o); err != nil { + if err == io.EOF || isInvalid(err) { + return 0, plumbing.ErrObjectNotFound + } + + return 0, err + } + + h, err := p.nextObjectHeader() + if err != nil { + return 0, err + } + return h.Length, nil +} + func (p *Packfile) nextObjectHeader() (*ObjectHeader, error) { h, err := p.s.NextObjectHeader() p.s.pendingObject = nil |