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Merge branch 'bc/hash-transition-interop-part-1'

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SHA-256 transition.

* bc/hash-transition-interop-part-1:
  hex: print objects using the hash algorithm member
  hex: default to the_hash_algo on zero algorithm value
  builtin/pack-objects: avoid using struct object_id for pack hash
  commit-graph: don't store file hashes as struct object_id
  builtin/show-index: set the algorithm for object IDs
  hash: provide per-algorithm null OIDs
  hash: set, copy, and use algo field in struct object_id
  builtin/pack-redundant: avoid casting buffers to struct object_id
  Use the final_oid_fn to finalize hashing of object IDs
  hash: add a function to finalize object IDs
  http-push: set algorithm when reading object ID
  Always use oidread to read into struct object_id
  hash: add an algo member to struct object_id
This commit is contained in:
Junio C Hamano
2021-05-10 16:59:46 +09:00
parent 2d677e5b15 3dd71461e2
commit aaa3c8065d
58 changed files with 305 additions and 198 deletions
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4
read-cache.c
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@ -1886,7 +1886,7 @@ static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool,
ce->ce_flags = flags & ~CE_NAMEMASK;
ce->ce_namelen = len;
ce->index = 0;
hashcpy(ce->oid.hash, ondisk->data);
oidread(&ce->oid, ondisk->data);
memcpy(ce->name, name, len);
ce->name[len] = '\0';
@ -2236,7 +2236,7 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist)
if (verify_hdr(hdr, mmap_size) < 0)
goto unmap;
hashcpy(istate->oid.hash, (const unsigned char *)hdr + mmap_size - the_hash_algo->rawsz);
oidread(&istate->oid, (const unsigned char *)hdr + mmap_size - the_hash_algo->rawsz);
istate->version = ntohl(hdr->hdr_version);
istate->cache_nr = ntohl(hdr->hdr_entries);
istate->cache_alloc = alloc_nr(istate->cache_nr);