diff options
Diffstat (limited to 'format/packfile/ingest/drain.go')
| -rw-r--r-- | format/packfile/ingest/drain.go | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/format/packfile/ingest/drain.go b/format/packfile/ingest/drain.go deleted file mode 100644 index 7179a823..00000000 --- a/format/packfile/ingest/drain.go +++ /dev/null @@ -1,67 +0,0 @@ -package ingest - -import ( - "fmt" - "io" - - "codeberg.org/lindenii/furgit/internal/compress/zlib" - objectheader "codeberg.org/lindenii/furgit/object/header" - objectid "codeberg.org/lindenii/furgit/object/id" - objecttype "codeberg.org/lindenii/furgit/object/type" -) - -// drainEntryPayload inflates one entry payload from stream and returns -// (inflatedLength, oidForBaseEntry). -func drainEntryPayload(state *ingestState, record objectRecord) (int64, objectid.ObjectID, error) { - var zero objectid.ObjectID - - reader, err := zlib.NewReader(state.stream) - if err != nil { - return 0, zero, &MalformedPackEntryError{Offset: record.offset, Reason: fmt.Sprintf("open zlib stream: %v", err)} - } - - defer func() { _ = reader.Close() }() - - var total int64 - - if record.packedType.IsBaseObject() { - header, ok := objectheader.Encode(record.packedType, record.declaredSize) - if !ok { - return 0, zero, &MalformedPackEntryError{Offset: record.offset, Reason: "encode object header"} - } - - hashImpl, err := state.algo.New() - if err != nil { - return 0, zero, err - } - - _, _ = hashImpl.Write(header) - - n, err := io.Copy(hashImpl, reader) - if err != nil { - return 0, zero, &MalformedPackEntryError{Offset: record.offset, Reason: fmt.Sprintf("inflate base object: %v", err)} - } - - total = n - - oid, err := objectid.FromBytes(state.algo, hashImpl.Sum(nil)) - if err != nil { - return 0, zero, err - } - - return total, oid, nil - } - - if record.packedType == objecttype.TypeOfsDelta || record.packedType == objecttype.TypeRefDelta { - n, err := io.Copy(io.Discard, reader) - if err != nil { - return 0, zero, &MalformedPackEntryError{Offset: record.offset, Reason: fmt.Sprintf("inflate delta payload: %v", err)} - } - - total = n - - return total, zero, nil - } - - return 0, zero, &MalformedPackEntryError{Offset: record.offset, Reason: "unsupported payload type"} -} |
