process_acks() returns 0, 1, or 2, depending on whether "ready" was
received and if not, whether at least one commit was found to be common.
Replace these magic numbers with a documented enum.
Signed-off-by: Jonathan Tan <jonathantanmy@xxxxxxxxxx>
---
fetch-pack.c | 35 ++++++++++++++++++++++++++++-------
1 file changed, 28 insertions(+), 7 deletions(-)
diff --git a/fetch-pack.c b/fetch-pack.c
index 0b07b3ee73..45547a621e 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -1268,9 +1268,29 @@ static int process_section_header(struct packet_reader *reader,
return ret;
}
-static int process_acks(struct fetch_negotiator *negotiator,
- struct packet_reader *reader,
- struct oidset *common)
+enum common_found {
+ /*
+ * No commit was found to be possessed by both the client and the
+ * server, and "ready" was not received.
+ */
+ NO_COMMON_FOUND,
+
+ /*
+ * At least one commit was found to be possessed by both the client and
+ * the server, and "ready" was not received.
+ */
+ COMMON_FOUND,
+
+ /*
+ * "ready" was received, indicating that the server is ready to send
+ * the packfile without any further negotiation.
+ */
+ READY
+};
+
+static enum common_found process_acks(struct fetch_negotiator *negotiator,
+ struct packet_reader *reader,
+ struct oidset *common)
{
/* received */
int received_ready = 0;
@@ -1320,7 +1340,8 @@ static int process_acks(struct fetch_negotiator *negotiator,
die(_("expected no other sections to be sent after no 'ready'"));
/* return 0 if no common, 1 if there are common, or 2 if ready */
- return received_ready ? 2 : (received_ack ? 1 : 0);
+ return received_ready ? READY :
+ (received_ack ? COMMON_FOUND : NO_COMMON_FOUND);
}
static void receive_shallow_info(struct fetch_pack_args *args,
@@ -1508,13 +1529,13 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
case FETCH_PROCESS_ACKS:
/* Process ACKs/NAKs */
switch (process_acks(negotiator, &reader, &common)) {
- case 2:
+ case READY:
state = FETCH_GET_PACK;
break;
- case 1:
+ case COMMON_FOUND:
in_vain = 0;
/* fallthrough */
- default:
+ case NO_COMMON_FOUND:
state = FETCH_SEND_REQUEST;
break;
}
--
2.26.2.303.gf8c07b1a785-goog
