Use oid_object_info_extended() to get object info instead of
read_object_file().
It will help to handle some requests faster (e.g., we do not need to
parse whole object if we need to know %(objectsize)).
It could also help us to add new atoms such as %(objectsize:disk)
and %(deltabase).
Signed-off-by: Olga Telezhnaia <olyatelezhnaya@xxxxxxxxx>
---
ref-filter.c | 123 ++++++++++++++++++++++++++++++++++++++++++-----------------
1 file changed, 89 insertions(+), 34 deletions(-)
diff --git a/ref-filter.c b/ref-filter.c
index f04169f0ea0e3..112955f006648 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -61,6 +61,17 @@ struct refname_atom {
int lstrip, rstrip;
};
+static struct expand_data {
+ struct object_id oid;
+ enum object_type type;
+ unsigned long size;
+ off_t disk_size;
+ struct object_id delta_base_oid;
+ void *content;
+
+ struct object_info info;
+} oi, oi_deref;
+
/*
* An atom is a valid field atom listed below, possibly prefixed with
* a "*" to denote deref_tag().
@@ -202,6 +213,30 @@ static int remote_ref_atom_parser(const struct ref_format *format, struct used_a
return 0;
}
+static int objecttype_atom_parser(const struct ref_format *format, struct used_atom *atom,
+ const char *arg, struct strbuf *err)
+{
+ if (arg)
+ return strbuf_addf_ret(err, -1, _("%%(objecttype) does not take arguments"));
+ if (*atom->name == '*')
+ oi_deref.info.typep = &oi_deref.type;
+ else
+ oi.info.typep = &oi.type;
+ return 0;
+}
+
+static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom,
+ const char *arg, struct strbuf *err)
+{
+ if (arg)
+ return strbuf_addf_ret(err, -1, _("%%(objectsize) does not take arguments"));
+ if (*atom->name == '*')
+ oi_deref.info.sizep = &oi_deref.size;
+ else
+ oi.info.sizep = &oi.size;
+ return 0;
+}
+
static int body_atom_parser(const struct ref_format *format, struct used_atom *atom,
const char *arg, struct strbuf *err)
{
@@ -388,8 +423,8 @@ static struct {
const char *arg, struct strbuf *err);
} valid_atom[] = {
{ "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser },
- { "objecttype", SOURCE_OTHER },
- { "objectsize", SOURCE_OTHER, FIELD_ULONG },
+ { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser },
+ { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser },
{ "objectname", SOURCE_OTHER, FIELD_STR, objectname_atom_parser },
{ "tree", SOURCE_OBJ },
{ "parent", SOURCE_OBJ },
@@ -502,6 +537,12 @@ static int parse_ref_filter_atom(const struct ref_format *format,
used_atom[at].name = xmemdupz(atom, ep - atom);
used_atom[at].type = valid_atom[i].cmp_type;
used_atom[at].source = valid_atom[i].source;
+ if (used_atom[at].source == SOURCE_OBJ) {
+ if (*atom == '*')
+ oi_deref.info.contentp = &oi_deref.content;
+ else
+ oi.info.contentp = &oi.content;
+ }
if (arg) {
arg = used_atom[at].name + (arg - atom) + 1;
if (!*arg) {
@@ -817,7 +858,7 @@ static int grab_objectname(const char *name, const struct object_id *oid,
}
/* See grab_values */
-static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi)
{
int i;
@@ -829,13 +870,13 @@ static void grab_common_values(struct atom_value *val, int deref, struct object
if (deref)
name++;
if (!strcmp(name, "objecttype"))
- v->s = type_name(obj->type);
+ v->s = type_name(oi->type);
else if (!strcmp(name, "objectsize")) {
- v->value = sz;
- v->s = xstrfmt("%lu", sz);
+ v->value = oi->size;
+ v->s = xstrfmt("%lu", oi->size);
}
else if (deref)
- grab_objectname(name, &obj->oid, v, &used_atom[i]);
+ grab_objectname(name, &oi->oid, v, &used_atom[i]);
}
}
@@ -1194,7 +1235,6 @@ static void fill_missing_values(struct atom_value *val)
*/
static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
{
- grab_common_values(val, deref, obj, buf, sz);
switch (obj->type) {
case OBJ_TAG:
grab_tag_values(val, deref, obj, buf, sz);
@@ -1418,28 +1458,36 @@ static const char *get_refname(struct used_atom *atom, struct ref_array_item *re
return show_ref(&atom->u.refname, ref->refname);
}
-static int get_object(struct ref_array_item *ref, const struct object_id *oid,
- int deref, struct object **obj, struct strbuf *err)
+static int get_object(struct ref_array_item *ref, int deref, struct object **obj,
+ struct expand_data *oi, struct strbuf *err)
{
- int eaten;
- int ret = 0;
- unsigned long size;
- enum object_type type;
- void *buf = read_object_file(oid, &type, &size);
- if (!buf)
- ret = strbuf_addf_ret(err, -1, _("missing object %s for %s"),
- oid_to_hex(oid), ref->refname);
- else {
- *obj = parse_object_buffer(oid, type, size, buf, &eaten);
- if (!*obj)
- ret = strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
- oid_to_hex(oid), ref->refname);
- else
- grab_values(ref->value, deref, *obj, buf, size);
+ /* parse_object_buffer() will set eaten to 0 if free() will be needed */
+ int eaten = 1;
+ if (oi->info.contentp) {
+ /* We need to know that to use parse_object_buffer properly */
+ oi->info.sizep = &oi->size;
+ oi->info.typep = &oi->type;
}
+ if (oid_object_info_extended(the_repository, &oi->oid, &oi->info,
+ OBJECT_INFO_LOOKUP_REPLACE))
+ return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
+ oid_to_hex(&oi->oid), ref->refname);
+
+ if (oi->info.contentp) {
+ *obj = parse_object_buffer(&oi->oid, oi->type, oi->size, oi->content, &eaten);
+ if (!obj) {
+ if (!eaten)
+ free(oi->content);
+ return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
+ oid_to_hex(&oi->oid), ref->refname);
+ }
+ grab_values(ref->value, deref, *obj, oi->content, oi->size);
+ }
+
+ grab_common_values(ref->value, deref, oi);
if (!eaten)
- free(buf);
- return ret;
+ free(oi->content);
+ return 0;
}
/*
@@ -1449,7 +1497,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
{
struct object *obj;
int i;
- const struct object_id *tagged;
+ struct object_info empty = OBJECT_INFO_INIT;
ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
@@ -1569,13 +1617,20 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
for (i = 0; i < used_atom_cnt; i++) {
struct atom_value *v = &ref->value[i];
- if (v->s == NULL)
- break;
+ if (v->s == NULL && used_atom[i].source == SOURCE_NONE)
+ return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
+ oid_to_hex(&ref->objectname), ref->refname);
}
- if (used_atom_cnt <= i)
+
+ if (need_tagged)
+ oi.info.contentp = &oi.content;
+ if (!memcmp(&oi.info, &empty, sizeof(empty)) &&
+ !memcmp(&oi_deref.info, &empty, sizeof(empty)))
return 0;
- if (get_object(ref, &ref->objectname, 0, &obj, err))
+
+ oi.oid = ref->objectname;
+ if (get_object(ref, 0, &obj, &oi, err))
return -1;
/*
@@ -1589,7 +1644,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
* If it is a tag object, see if we use a value that derefs
* the object, and if we do grab the object it refers to.
*/
- tagged = &((struct tag *)obj)->tagged->oid;
+ oi_deref.oid = ((struct tag *)obj)->tagged->oid;
/*
* NEEDSWORK: This derefs tag only once, which
@@ -1597,7 +1652,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
* is not consistent with what deref_tag() does
* which peels the onion to the core.
*/
- return get_object(ref, tagged, 1, &obj, err);
+ return get_object(ref, 1, &obj, &oi_deref, err);
}
/*
--
https://github.com/git/git/pull/520
