[11/32] pack: Communicate the compat_oid through struct pack_idx_entry

Commit Message

Eric W. Biederman Sept. 8, 2023, 11:10 p.m. UTC

Add compat_oid into struct pack_idx_entry to allow communicating the
the compat hash value of the objects being indexed to the code that
builds the indexes for a pack.

Having a mechanism that communicates the compat_oid from the code
building the pack is necessary for bulk-checkin, fast-import, and
index-pack.  Only pack-objects could rely on the existing
comaptibility mappings, but there is not point since the
other creators of indexes can't.

Unfortunately this adds a 4 byte hole into struct pack_idx_entry.

Signed-off-by: "Eric W. Biederman" <[e-mail]>
---
 pack.h | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/pack.h b/pack.h
index 3ab9e3f60c0b..321d38374f70 100644
--- a/pack.h
+++ b/pack.h
@@ -75,6 +75,7 @@  struct pack_idx_header {
  */
 struct pack_idx_entry {
 	struct object_id oid;
+	struct object_id compat_oid;
 	uint32_t crc32;
 	off_t offset;
 };