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Don't use delta for tiny files #70

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Merged
djach7 merged 1 commit into from
Apr 9, 2026
Merged

Don't use delta for tiny files #70

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7 changes: 7 additions & 0 deletions pkg/tar-diff/diff.go
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Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,13 @@ func (g *deltaGenerator) generateForFile(info *targetInfo) error {

maxBsdiffSize := g.options.maxBsdiffSize

// For files that are smaller than the path to the delta source plus some small
// space for the delta header, skip doing deltas, as delta data will be larger
// than the content.
if file.size <= int64(len(sourceFile.paths[0])+4) {
return nil
}

switch {
case sourceFile.sha1 == file.sha1 && sourceFile.size == file.size:
// Reuse exact file from old tar
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