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| author | Junio C Hamano <gitster@pobox.com> | 2012-01-12 23:31:05 -0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2012-01-12 23:31:05 -0800 |
| commit | 901c907d83f523a5df0b10c0aafb19c512836624 (patch) | |
| tree | 8b1b12e1c4ecf3dbf36c51beb2db2ea555019001 | |
| parent | afb6b561e3dad13df5d9df9731751a3d310c0854 (diff) | |
| parent | 04f6785a089e552585ba022f9d9054eca385ca67 (diff) | |
| download | git-901c907d83f523a5df0b10c0aafb19c512836624.tar.gz | |
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
| -rw-r--r-- | Documentation/RelNotes/1.7.6.6.txt | 5 | ||||
| -rw-r--r-- | builtin/pack-objects.c | 9 |
2 files changed, 12 insertions, 2 deletions
diff --git a/Documentation/RelNotes/1.7.6.6.txt b/Documentation/RelNotes/1.7.6.6.txt index 13ce2dc2d7..5343e00400 100644 --- a/Documentation/RelNotes/1.7.6.6.txt +++ b/Documentation/RelNotes/1.7.6.6.txt @@ -8,4 +8,9 @@ Fixes since v1.7.6.5 directory when two paths in question are in adjacent directories and the name of the one directory is a prefix of the other. + * When producing a "thin pack" (primarily used in bundles and smart + HTTP transfers) out of a fully packed repository, we unnecessarily + avoided sending recent objects as a delta against objects we know + the other side has. + Also contains minor fixes and documentation updates. 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; |