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authorGravatar Runxi Yu2026-03-10 13:30:48 +0800
committerGravatar Runxi Yu2026-03-10 13:30:48 +0800
commit73e602a5c2c766caba59948e91c11122653705ec (patch)
tree57951a4275dd90c2b3953e5b4bf3c9a7bd09b84a /format/commitgraph/read/generation.go
parent*: Move sideband64k and pktline to protocol/ (diff)
signatureNo signature
commitgraph: Move out of format/
Diffstat (limited to 'format/commitgraph/read/generation.go')
-rw-r--r--format/commitgraph/read/generation.go43
1 files changed, 0 insertions, 43 deletions
diff --git a/format/commitgraph/read/generation.go b/format/commitgraph/read/generation.go
deleted file mode 100644
index 62e47996..00000000
--- a/format/commitgraph/read/generation.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package read
-
-import (
- "encoding/binary"
-
- "codeberg.org/lindenii/furgit/format/commitgraph"
- "codeberg.org/lindenii/furgit/internal/intconv"
-)
-
-func (reader *Reader) readGenerationV2(layer *layer, index uint32, commitTime uint64) (uint64, error) {
- if len(layer.chunkGeneration) == 0 {
- return 0, nil
- }
-
- off64 := uint64(index) * 4
-
- off, err := intconv.Uint64ToInt(off64)
- if err != nil {
- return 0, err
- }
-
- value := binary.BigEndian.Uint32(layer.chunkGeneration[off : off+4])
-
- if value&commitgraph.GenerationOverflow == 0 {
- return commitTime + uint64(value), nil
- }
-
- gdo2Index := value ^ commitgraph.GenerationOverflow
- gdo2Off64 := uint64(gdo2Index) * 8
-
- gdo2Off, err := intconv.Uint64ToInt(gdo2Off64)
- if err != nil {
- return 0, err
- }
-
- if gdo2Off+8 > len(layer.chunkGenerationOv) {
- return 0, &MalformedError{Path: layer.path, Reason: "GDO2 index out of range"}
- }
-
- overflow := binary.BigEndian.Uint64(layer.chunkGenerationOv[gdo2Off : gdo2Off+8])
-
- return commitTime + overflow, nil
-}