diff options
author | Junio C Hamano <gitster@pobox.com> | 2012-01-13 11:31:05 +0400 |
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committer | Junio C Hamano <gitster@pobox.com> | 2012-01-13 11:31:05 +0400 |
commit | 901c907d83f523a5df0b10c0aafb19c512836624 (patch) | |
tree | 8b1b12e1c4ecf3dbf36c51beb2db2ea555019001 /builtin | |
parent | afb6b561e3dad13df5d9df9731751a3d310c0854 (diff) | |
parent | 04f6785a089e552585ba022f9d9054eca385ca67 (diff) |
Merge branch 'maint-1.7.6' into maint-1.7.7
* maint-1.7.6:
Update draft release notes to 1.7.6.6
thin-pack: try harder to use preferred base objects as base
Diffstat (limited to 'builtin')
-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 80ab6c39f9..638d43da0e 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1421,11 +1421,16 @@ 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; |