Current code makes pack-objects always do check_pack_crc() in
unpack_entry() even if right after that we find out there's a cached
version and pack access is not needed. Swap two code blocks, search
for cached version first, then check crc.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
sha1_file.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/sha1_file.c b/sha1_file.c
index 8c2d1ed..4955724 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2126,6 +2126,16 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
int i;
struct delta_base_cache_entry *ent;
+ ent = get_delta_base_cache_entry(p, curpos);
+ if (eq_delta_base_cache_entry(ent, p, curpos)) {
+ type = ent->type;
+ data = ent->data;
+ size = ent->size;
+ clear_delta_base_cache_entry(ent);
+ base_from_cache = 1;
+ break;
+ }
+
if (do_check_packed_object_crc && p->index_version > 1) {
struct revindex_entry *revidx = find_pack_revindex(p, obj_offset);
unsigned long len = revidx[1].offset - obj_offset;
@@ -2140,16 +2150,6 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
}
}
- ent = get_delta_base_cache_entry(p, curpos);
- if (eq_delta_base_cache_entry(ent, p, curpos)) {
- type = ent->type;
- data = ent->data;
- size = ent->size;
- clear_delta_base_cache_entry(ent);
- base_from_cache = 1;
- break;
- }
-
type = unpack_object_header(p, &w_curs, &curpos, &size);
if (type != OBJ_OFS_DELTA && type != OBJ_REF_DELTA)
break;
--
1.8.2.82.gc24b958
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