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package ingest
import (
"fmt"
"codeberg.org/lindenii/furgit/internal/intconv"
"codeberg.org/lindenii/furgit/internal/utils"
)
// maybeFixThin appends missing bases and rewrites pack header/trailer when needed.
func maybeFixThin(state *ingestState) error {
if len(state.unresolvedRefDeltas) == 0 {
return nil
}
utils.FprintfBestEffort(
state.opts.Progress,
"fixing thin pack: %d unresolved bases\r",
len(state.unresolvedRefDeltas),
)
if !state.opts.FixThin {
return &ThinPackUnresolvedError{Count: len(state.unresolvedRefDeltas)}
}
if state.opts.Base == nil {
return &ThinPackUnresolvedError{Count: len(state.unresolvedRefDeltas)}
}
hashSize := int64(state.algo.Size())
info, err := state.packFile.Stat()
if err != nil {
return err
}
size := info.Size()
if size < hashSize {
return fmt.Errorf("format/pack/ingest: pack too short to trim trailer")
}
newEnd := size - hashSize
err = state.packFile.Truncate(newEnd)
if err != nil {
return err
}
consumed, err := intconv.Int64ToUint64(newEnd)
if err != nil {
return err
}
state.stream.consumed = consumed
baseIDs := unresolvedThinBaseIDs(state)
total := len(baseIDs)
if total > 0 {
utils.FprintfBestEffort(state.opts.Progress, "fixing thin pack: 0%% (0/%d)\r", total)
}
for i, id := range baseIDs {
ty, content, err := state.opts.Base.ReadBytesContent(id)
if err != nil {
continue
}
_, err = appendBaseObject(state, id, ty, content)
if err != nil {
return err
}
state.thinFixed = true
done := i + 1
percent := done * 100 / total
utils.FprintfBestEffort(state.opts.Progress, "fixing thin pack: %3d%% (%d/%d)\r", percent, done, total)
}
err = rewritePackHeaderAndTrailer(state)
if err != nil {
return err
}
if state.thinFixed {
utils.FprintfBestEffort(state.opts.Progress, "fixing thin pack: 100%% (%d/%d), done.\n", total, total)
}
return nil
}
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