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| author | Junio C Hamano <gitster@pobox.com> | 2012-01-12 23:31:46 -0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2012-01-12 23:31:46 -0800 |
| commit | 5a6a9394814273e88124a5576c0be6d37a1262cc (patch) | |
| tree | f1fdb053daf114e415b369b026fd566781d83050 /builtin/pack-objects.c | |
| parent | 113e828d3893f31ef72dd8287e95da9fa2287110 (diff) | |
| parent | 8f83acf77cd14567dfdeff0e15f2da086109df70 (diff) | |
| download | git-5a6a9394814273e88124a5576c0be6d37a1262cc.tar.gz | |
Merge branch 'maint-1.7.7' into maint
* maint-1.7.7:
Update draft release notes to 1.7.7.6
Update draft release notes to 1.7.6.6
thin-pack: try harder to use preferred base objects as base
Diffstat (limited to 'builtin/pack-objects.c')
| -rw-r--r-- | builtin/pack-objects.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index b1895aaaa1..ef703dfeb6 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1456,11 +1456,16 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, return -1; /* - * We do not bother to try a delta that we discarded - * on an earlier try, but only when reusing delta data. + * We do not bother to try a delta that we discarded on an + * earlier try, but only when reusing delta data. Note that + * src_entry that is marked as the preferred_base should always + * be considered, as even if we produce a suboptimal delta against + * it, we will still save the transfer cost, as we already know + * the other side has it and we won't send src_entry at all. */ if (reuse_delta && trg_entry->in_pack && trg_entry->in_pack == src_entry->in_pack && + !src_entry->preferred_base && trg_entry->in_pack_type != OBJ_REF_DELTA && trg_entry->in_pack_type != OBJ_OFS_DELTA) return 0; |