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builtin/show-index: set the algorithm for object IDs 

In most cases, when we load the hash of an object into a struct
object_id, we load it using one of the oid* or *_oid_hex functions.
However, for git show-index, we read it in directly using fread.  As a
consequence, set the algorithm correctly so the objects can be used
correctly both now and in the future.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2021-04-26 01:02:57 +00:00 committed by Junio C Hamano
parent 14228447c9
commit dd15f4f457
1 changed files with 3 additions and 1 deletions
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builtin/show-index.c
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@ -71,9 +71,11 @@ int cmd_show_index(int argc, const char **argv, const char *prefix)
uint32_t off;
} *entries;
ALLOC_ARRAY(entries, nr);
for (i = 0; i < nr; i++)
for (i = 0; i < nr; i++) {
if (fread(entries[i].oid.hash, hashsz, 1, stdin) != 1)
die("unable to read sha1 %u/%u", i, nr);
entries[i].oid.algo = hash_algo_by_ptr(the_hash_algo);
}
for (i = 0; i < nr; i++)
if (fread(&entries[i].crc, 4, 1, stdin) != 1)
die("unable to read crc %u/%u", i, nr);