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odb: Try to lookup headers in all backends before passthrough

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This commit is contained in:
Vicent Marti 2016-03-09 17:47:53 +01:00
parent e78d2ac939
commit 1bbcb2b279
1 changed files with 20 additions and 5 deletions
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25
src/odb.c
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@ -855,8 +855,9 @@ static int odb_read_header_1(
const git_oid *id, bool only_refreshed)
{
size_t i;
int error = GIT_PASSTHROUGH;
git_otype ht;
bool passthrough = false;
int error;
if (!only_refreshed && (ht = odb_hardcoded_type(id)) != GIT_OBJ_BAD) {
*type_p = ht;
@ -864,18 +865,32 @@ static int odb_read_header_1(
return 0;
}
for (i = 0; i < db->backends.length && error < 0; ++i) {
for (i = 0; i < db->backends.length; ++i) {
backend_internal *internal = git_vector_get(&db->backends, i);
git_odb_backend *b = internal->backend;
if (only_refreshed && !b->refresh)
continue;
if (b->read_header != NULL)
error = b->read_header(len_p, type_p, b, id);
if (!b->read_header) {
passthrough = true;
continue;
}
error = b->read_header(len_p, type_p, b, id);
switch (error) {
case GIT_PASSTHROUGH:
passthrough = true;
break;
case GIT_ENOTFOUND:
break;
default:
return error;
}
}
return error;
return passthrough ? GIT_PASSTHROUGH : GIT_ENOTFOUND;
}
int git_odb__read_header_or_object(