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cache: remove null_sha1

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All of the existing uses of null_sha1 can be converted into uses of
null_oid, so do so.  Remove null_sha1 and is_null_sha1, and define
is_null_oid in terms of null_oid.  This also has the additional benefit
of removing several uses of sha1_to_hex.

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 2019-08-18 20:04:20 +00:00 committed by Junio C Hamano
parent f6ca67d673
commit 8d4d86b0f0
4 changed files with 3 additions and 10 deletions
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2
builtin/clone.c
View file

@ -785,7 +785,7 @@ static int checkout(int submodule_progress)
if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
err |= run_hook_le(NULL, "post-checkout", oid_to_hex(&null_oid),
oid_to_hex(&oid), "1", NULL);
if (!err && (option_recurse_submodules.nr > 0)) {

2
builtin/submodule--helper.c
View file

@ -424,7 +424,7 @@ static int module_list(int argc, const char **argv, const char *prefix)
const struct cache_entry *ce = list.entries[i];
if (ce_stage(ce))
printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
printf("%06o %s U\t", ce->ce_mode, oid_to_hex(&null_oid));
else
printf("%06o %s %d\t", ce->ce_mode,
oid_to_hex(&ce->oid), ce_stage(ce));

8
cache.h
View file

@ -1029,7 +1029,6 @@ const char *repo_find_unique_abbrev(struct repository *r, const struct object_id
int repo_find_unique_abbrev_r(struct repository *r, char *hex, const struct object_id *oid, int len);
#define find_unique_abbrev_r(hex, oid, len) repo_find_unique_abbrev_r(the_repository, hex, oid, len)
extern const unsigned char null_sha1[GIT_MAX_RAWSZ];
extern const struct object_id null_oid;
static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
@ -1064,14 +1063,9 @@ static inline int oideq(const struct object_id *oid1, const struct object_id *oi
return hasheq(oid1->hash, oid2->hash);
}
static inline int is_null_sha1(const unsigned char *sha1)
{
return hasheq(sha1, null_sha1);
}
static inline int is_null_oid(const struct object_id *oid)
{
return hasheq(oid->hash, null_sha1);
return oideq(oid, &null_oid);
}
static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)

1
sha1-file.c
View file

@ -55,7 +55,6 @@
"\x6f\xe1\x41\xf7\x74\x91\x20\xa3\x03\x72" \
"\x18\x13"
const unsigned char null_sha1[GIT_MAX_RAWSZ];
const struct object_id null_oid;
static const struct object_id empty_tree_oid = {
EMPTY_TREE_SHA1_BIN_LITERAL