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packed_object_info(): use object_id for returning delta base

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If a caller sets the object_info.delta_base_sha1 to a non-NULL pointer,
we'll write the oid of the object's delta base to it. But we can
increase our type safety by switching this to a real object_id struct.
All of our callers are just pointing into the hash member of an
object_id anyway, so there's no inconvenience.

Note that we do still keep it as a pointer-to-struct, because the NULL
sentinel value tells us whether the caller is even interested in the
information.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2020-02-23 23:36:56 -05:00 committed by Junio C Hamano
parent 63f4a7fc01
commit b99b6bcc57
5 changed files with 11 additions and 11 deletions
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2
builtin/cat-file.c
View File

@ -262,7 +262,7 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len,
strbuf_addstr(sb, data->rest);
} else if (is_atom("deltabase", atom, len)) {
if (data->mark_query)
data->info.delta_base_sha1 = data->delta_base_oid.hash;
data->info.delta_base_oid = &data->delta_base_oid;
else
strbuf_addstr(sb,
oid_to_hex(&data->delta_base_oid));

2
object-store.h
View File

@ -300,7 +300,7 @@ struct object_info {
enum object_type *typep;
unsigned long *sizep;
off_t *disk_sizep;
unsigned char *delta_base_sha1;
struct object_id *delta_base_oid;
struct strbuf *type_name;
void **contentp;

6
packfile.c
View File

@ -1556,7 +1556,7 @@ int packed_object_info(struct repository *r, struct packed_git *p,
}
}
if (oi->delta_base_sha1) {
if (oi->delta_base_oid) {
if (type == OBJ_OFS_DELTA || type == OBJ_REF_DELTA) {
const unsigned char *base;
@ -1567,9 +1567,9 @@ int packed_object_info(struct repository *r, struct packed_git *p,
goto out;
}
hashcpy(oi->delta_base_sha1, base);
hashcpy(oi->delta_base_oid->hash, base);
} else
hashclr(oi->delta_base_sha1);
oidclr(oi->delta_base_oid);
}
oi->whence = in_delta_base_cache(p, obj_offset) ? OI_DBCACHED :

4
ref-filter.c
View File

@ -279,9 +279,9 @@ static int deltabase_atom_parser(const struct ref_format *format, struct used_at
if (arg)
return strbuf_addf_ret(err, -1, _("%%(deltabase) does not take arguments"));
if (*atom->name == '*')
oi_deref.info.delta_base_sha1 = oi_deref.delta_base_oid.hash;
oi_deref.info.delta_base_oid = &oi_deref.delta_base_oid;
else
oi.info.delta_base_sha1 = oi.delta_base_oid.hash;
oi.info.delta_base_oid = &oi.delta_base_oid;
return 0;
}

8
sha1-file.c
View File

@ -1354,8 +1354,8 @@ static int loose_object_info(struct repository *r,
struct strbuf hdrbuf = STRBUF_INIT;
unsigned long size_scratch;
if (oi->delta_base_sha1)
hashclr(oi->delta_base_sha1);
if (oi->delta_base_oid)
oidclr(oi->delta_base_oid);
/*
* If we don't care about type or size, then we don't
@ -1474,8 +1474,8 @@ static int do_oid_object_info_extended(struct repository *r,
*(oi->sizep) = co->size;
if (oi->disk_sizep)
*(oi->disk_sizep) = 0;
if (oi->delta_base_sha1)
hashclr(oi->delta_base_sha1);
if (oi->delta_base_oid)
oidclr(oi->delta_base_oid);
if (oi->type_name)
strbuf_addstr(oi->type_name, type_name(co->type));
if (oi->contentp)