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-rw-r--r--pack-objects.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/pack-objects.c b/pack-objects.c
index b430b02cf7..33751797fa 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -1037,9 +1037,12 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
if (src_entry->depth >= max_depth)
return 0;
- /* Now some size filtering euristics. */
+ /* Now some size filtering heuristics. */
size = trg_entry->size;
- max_size = (size/2 - 20) / (src_entry->depth + 1);
+ max_size = size/2 - 20;
+ max_size = max_size * (max_depth - src_entry->depth) / max_depth;
+ if (max_size == 0)
+ return 0;
if (trg_entry->delta && trg_entry->delta_size <= max_size)
max_size = trg_entry->delta_size-1;
src_size = src_entry->size;