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authorJonathan Tan <jonathantanmy@google.com>2019-03-29 21:39:27 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-04-01 06:47:15 (GMT)
commit0f4a4fb1c4239a2aa46343add84ad6f99f6f3aae (patch)
tree64fc8e102e67f02a6ea922ad5debac1eb0bc1bac /object-store.h
parent041f5ea1cf987a4068ef5f39ba0a09be85952064 (diff)
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sha1-file: support OBJECT_INFO_FOR_PREFETCH
Teach oid_object_info_extended() to support a new flag that inhibits fetching of missing objects. This is equivalent to setting fetch_is_missing to 0, calling oid_object_info_extended(), then setting fetch_if_missing to whatever it was before. Update unpack-trees.c to use this new flag instead of repeatedly setting fetch_if_missing. This new flag complicates things slightly in that there are now 2 ways to do the same thing. But this eliminates the need to repeatedly set a global variable, and more importantly, allows prefetching to be done in parallel (in the future); hence, this patch. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'object-store.h')
-rw-r--r--object-store.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/object-store.h b/object-store.h
index 14fc935..dd3f9b7 100644
--- a/object-store.h
+++ b/object-store.h
@@ -280,6 +280,12 @@ struct object_info {
#define OBJECT_INFO_QUICK 8
/* Do not check loose object */
#define OBJECT_INFO_IGNORE_LOOSE 16
+/*
+ * Do not attempt to fetch the object if missing (even if fetch_is_missing is
+ * nonzero). This is meant for bulk prefetching of missing blobs in a partial
+ * clone. Implies OBJECT_INFO_QUICK.
+ */
+#define OBJECT_INFO_FOR_PREFETCH (32 + OBJECT_INFO_QUICK)
int oid_object_info_extended(struct repository *r,
const struct object_id *,