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upload-pack: factor out processing lines 

Factor out the logic for processing shallow, deepen, deepen_since, and
deepen_not lines into their own functions to simplify the
'receive_needs()' function in addition to making it easier to reuse some
of this logic when implementing protocol_v2.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams 2018-03-14 11:31:42 -07:00 коммит произвёл Junio C Hamano
Родитель a3d6b53e92
Коммит ae2948f30c
1 изменённых файлов: 74 добавлений и 39 удалений
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113
upload-pack.c
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@ -724,6 +724,75 @@ static void deepen_by_rev_list(int ac, const char **av,
packet_flush(1);
}
static int process_shallow(const char *line, struct object_array *shallows)
{
const char *arg;
if (skip_prefix(line, "shallow ", &arg)) {
struct object_id oid;
struct object *object;
if (get_oid_hex(arg, &oid))
die("invalid shallow line: %s", line);
object = parse_object(&oid);
if (!object)
return 1;
if (object->type != OBJ_COMMIT)
die("invalid shallow object %s", oid_to_hex(&oid));
if (!(object->flags & CLIENT_SHALLOW)) {
object->flags |= CLIENT_SHALLOW;
add_object_array(object, NULL, shallows);
}
return 1;
}
return 0;
}
static int process_deepen(const char *line, int *depth)
{
const char *arg;
if (skip_prefix(line, "deepen ", &arg)) {
char *end = NULL;
*depth = (int)strtol(arg, &end, 0);
if (!end || *end || *depth <= 0)
die("Invalid deepen: %s", line);
return 1;
}
return 0;
}
static int process_deepen_since(const char *line, timestamp_t *deepen_since, int *deepen_rev_list)
{
const char *arg;
if (skip_prefix(line, "deepen-since ", &arg)) {
char *end = NULL;
*deepen_since = parse_timestamp(arg, &end, 0);
if (!end || *end || !deepen_since ||
/* revisions.c's max_age -1 is special */
*deepen_since == -1)
die("Invalid deepen-since: %s", line);
*deepen_rev_list = 1;
return 1;
}
return 0;
}
static int process_deepen_not(const char *line, struct string_list *deepen_not, int *deepen_rev_list)
{
const char *arg;
if (skip_prefix(line, "deepen-not ", &arg)) {
char *ref = NULL;
struct object_id oid;
if (expand_ref(arg, strlen(arg), &oid, &ref) != 1)
die("git upload-pack: ambiguous deepen-not: %s", line);
string_list_append(deepen_not, ref);
free(ref);
*deepen_rev_list = 1;
return 1;
}
return 0;
}
static void receive_needs(void)
{
struct object_array shallows = OBJECT_ARRAY_INIT;
@ -745,49 +814,15 @@ static void receive_needs(void)
if (!line)
break;
if (skip_prefix(line, "shallow ", &arg)) {
struct object_id oid;
struct object *object;
if (get_oid_hex(arg, &oid))
die("invalid shallow line: %s", line);
object = parse_object(&oid);
if (!object)
continue;
if (object->type != OBJ_COMMIT)
die("invalid shallow object %s", oid_to_hex(&oid));
if (!(object->flags & CLIENT_SHALLOW)) {
object->flags |= CLIENT_SHALLOW;
add_object_array(object, NULL, &shallows);
}
if (process_shallow(line, &shallows))
continue;
}
if (skip_prefix(line, "deepen ", &arg)) {
char *end = NULL;
depth = strtol(arg, &end, 0);
if (!end || *end || depth <= 0)
die("Invalid deepen: %s", line);
if (process_deepen(line, &depth))
continue;
}
if (skip_prefix(line, "deepen-since ", &arg)) {
char *end = NULL;
deepen_since = parse_timestamp(arg, &end, 0);
if (!end || *end || !deepen_since ||
/* revisions.c's max_age -1 is special */
deepen_since == -1)
die("Invalid deepen-since: %s", line);
deepen_rev_list = 1;
if (process_deepen_since(line, &deepen_since, &deepen_rev_list))
continue;
}
if (skip_prefix(line, "deepen-not ", &arg)) {
char *ref = NULL;
struct object_id oid;
if (expand_ref(arg, strlen(arg), &oid, &ref) != 1)
die("git upload-pack: ambiguous deepen-not: %s", line);
string_list_append(&deepen_not, ref);
free(ref);
deepen_rev_list = 1;
if (process_deepen_not(line, &deepen_not, &deepen_rev_list))
continue;
}
if (!skip_prefix(line, "want ", &arg) ||
get_oid_hex(arg, &oid_buf))
die("git upload-pack: protocol error, "