3 files changed, 29 insertions, 2 deletions
diff --git a/src/pack-objects.c b/src/pack-objects.c
index a76f8a111..e4b67192d 100644
--- a/src/pack-objects.c
+++ b/src/pack-objects.c
@@ -144,7 +144,14 @@ on_error:
 unsigned int git_packbuilder_set_threads(git_packbuilder *pb, unsigned int n)
 {
 	assert(pb);
+
+#ifdef GIT_THREADS
 	pb->nr_threads = n;
+#else
+	GIT_UNUSED(n);
+	assert(1 == pb->nr_threads);
+#endif
+
 	return pb->nr_threads;
 }
 
diff --git a/src/push.c b/src/push.c
index 64aaead6e..628df7ac4 100644
--- a/src/push.c
+++ b/src/push.c
@@ -40,6 +40,7 @@ int git_push_new(git_push **out, git_remote *remote)
 	p->repo = remote->repo;
 	p->remote = remote;
 	p->report_status = 1;
+	p->pb_parallelism = 1;
 
 	if (git_vector_init(&p->specs, 0, push_spec_rref_cmp) < 0) {
 		git__free(p);
@@ -56,6 +57,18 @@ int git_push_new(git_push **out, git_remote *remote)
 	return 0;
 }
 
+int git_push_set_options(git_push *push, const git_push_options *opts)
+{
+	if (!push || !opts)
+		return -1;
+
+	GITERR_CHECK_VERSION(opts, GIT_PUSH_OPTIONS_VERSION, "git_push_options");
+
+	push->pb_parallelism = opts->pb_parallelism;
+
+	return 0;
+}
+
 static void free_refspec(push_spec *spec)
 {
 	if (spec == NULL)
@@ -449,8 +462,12 @@ static int do_push(git_push *push)
 	 * objects.  In this case the client MUST send an empty pack-file.
 	 */
 
-	if ((error = git_packbuilder_new(&push->pb, push->repo)) < 0 ||
-		(error = calculate_work(push)) < 0 ||
+	if ((error = git_packbuilder_new(&push->pb, push->repo)) < 0)
+		goto on_error;
+
+	git_packbuilder_set_threads(push->pb, push->pb_parallelism);
+
+	if ((error = calculate_work(push)) < 0 ||
 		(error = queue_objects(push)) < 0 ||
 		(error = transport->push(transport, push)) < 0)
 		goto on_error;
diff --git a/src/push.h b/src/push.h
index 0ac8ef947..629583189 100644
--- a/src/push.h
+++ b/src/push.h
@@ -36,6 +36,9 @@ struct git_push {
 	/* report-status */
 	bool unpack_ok;
 	git_vector status;
+
+	/* options */
+	unsigned pb_parallelism;
 };
 
 #endif