thodg/libgit2

diff --git a/examples/network/clone.c b/examples/network/clone.c
index 2bfad44..9b323ff 100644
--- a/examples/network/clone.c
+++ b/examples/network/clone.c
@@ -94,10 +94,10 @@ int do_clone(git_repository *repo, int argc, char **argv)
 	}
 
 	// Set up options
-	clone_opts.checkout_opts = &checkout_opts;
 	checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
 	checkout_opts.progress_cb = checkout_progress;
 	checkout_opts.progress_payload = &pd;
+	clone_opts.checkout_opts = checkout_opts;
 	clone_opts.fetch_progress_cb = &fetch_progress;
 	clone_opts.fetch_progress_payload = &pd;
 	clone_opts.cred_acquire_cb = cred_acquire;
diff --git a/include/git2/clone.h b/include/git2/clone.h
index 72fba0e..c6ab803 100644
--- a/include/git2/clone.h
+++ b/include/git2/clone.h
@@ -31,14 +31,14 @@ GIT_BEGIN_DECL
  *
  *		git_clone_options opts = GIT_CLONE_OPTIONS_INIT;
  *
+ * - `checkout_opts` is options for the checkout step.  To disable checkout,
+ *   set the `checkout_strategy` to GIT_CHECKOUT_DEFAULT.
  * - `bare` should be set to zero to create a standard repo, non-zero for
  *   a bare repo
  * - `fetch_progress_cb` is optional callback for fetch progress. Be aware that
  *   this is called inline with network and indexing operations, so performance
  *   may be affected.
  * - `fetch_progress_payload` is payload for fetch_progress_cb
- * - `checkout_opts` is options for the checkout step. If NULL, no checkout is
- *   performed
  *
  *   ** "origin" remote options: **
  * - `remote_name` is the name given to the "origin" remote.  The default is
@@ -62,10 +62,10 @@ GIT_BEGIN_DECL
 typedef struct git_clone_options {
 	unsigned int version;
 
+	git_checkout_opts checkout_opts;
 	int bare;
 	git_transfer_progress_callback fetch_progress_cb;
 	void *fetch_progress_payload;
-	git_checkout_opts *checkout_opts;
 
 	const char *remote_name;
 	const char *pushurl;
@@ -79,7 +79,7 @@ typedef struct git_clone_options {
 } git_clone_options;
 
 #define GIT_CLONE_OPTIONS_VERSION 1
-#define GIT_CLONE_OPTIONS_INIT {GIT_CLONE_OPTIONS_VERSION}
+#define GIT_CLONE_OPTIONS_INIT {GIT_CLONE_OPTIONS_VERSION, {GIT_CHECKOUT_OPTS_VERSION, GIT_CHECKOUT_SAFE}}
 
 /**
  * Clone a remote repository, and checkout the branch pointed to by the remote
diff --git a/src/clone.c b/src/clone.c
index 9c4a5d9..39c0ba2 100644
--- a/src/clone.c
+++ b/src/clone.c
@@ -362,6 +362,9 @@ static bool should_checkout(
 	if (!opts)
 		return false;
 
+	if (opts->checkout_strategy == GIT_CHECKOUT_DEFAULT)
+		return false;
+
 	return !git_repository_head_orphan(repo);
 }
 
@@ -406,8 +409,8 @@ int git_clone(
 		}
 	}
 
-	if (!retcode && should_checkout(repo, normOptions.bare, normOptions.checkout_opts))
-		retcode = git_checkout_head(*out, normOptions.checkout_opts);
+	if (!retcode && should_checkout(repo, normOptions.bare, &normOptions.checkout_opts))
+		retcode = git_checkout_head(*out, &normOptions.checkout_opts);
 
 	return retcode;
 }
diff --git a/tests-clar/clone/network.c b/tests-clar/clone/network.c
index 154fbe8..8850987 100644
--- a/tests-clar/clone/network.c
+++ b/tests-clar/clone/network.c
@@ -13,10 +13,14 @@ static git_clone_options g_options;
 
 void test_clone_network__initialize(void)
 {
+	git_checkout_opts dummy_opts = GIT_CHECKOUT_OPTS_INIT;
+
 	g_repo = NULL;
 
 	memset(&g_options, 0, sizeof(git_clone_options));
 	g_options.version = GIT_CLONE_OPTIONS_VERSION;
+	g_options.checkout_opts = dummy_opts;
+	g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
 }
 
 static void cleanup_repository(void *path)
@@ -88,6 +92,7 @@ void test_clone_network__can_prevent_the_checkout_of_a_standard_repo(void)
 	git_buf path = GIT_BUF_INIT;
 	cl_set_cleanup(&cleanup_repository, "./foo");
 
+	g_options.checkout_opts.checkout_strategy = 0;
 	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
 
 	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "master.txt"));
@@ -112,16 +117,14 @@ static void fetch_progress(const git_transfer_progress *stats, void *payload)
 
 void test_clone_network__can_checkout_a_cloned_repo(void)
 {
-	git_checkout_opts opts = GIT_CHECKOUT_OPTS_INIT;
 	git_buf path = GIT_BUF_INIT;
 	git_reference *head;
 	bool checkout_progress_cb_was_called = false,
 		  fetch_progress_cb_was_called = false;
 
-	opts.checkout_strategy = GIT_CHECKOUT_SAFE;
-	opts.progress_cb = &checkout_progress;
-	opts.progress_payload = &checkout_progress_cb_was_called;
-	g_options.checkout_opts = &opts;
+	g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
+	g_options.checkout_opts.progress_cb = &checkout_progress;
+	g_options.checkout_opts.progress_payload = &checkout_progress_cb_was_called;
 	g_options.fetch_progress_cb = &fetch_progress;
 	g_options.fetch_progress_payload = &fetch_progress_cb_was_called;
 
diff --git a/tests-clar/clone/nonetwork.c b/tests-clar/clone/nonetwork.c
index 9196803..51fedab 100644
--- a/tests-clar/clone/nonetwork.c
+++ b/tests-clar/clone/nonetwork.c
@@ -10,10 +10,14 @@ static git_repository *g_repo;
 
 void test_clone_nonetwork__initialize(void)
 {
+	git_checkout_opts dummy_opts = GIT_CHECKOUT_OPTS_INIT;
+
 	g_repo = NULL;
 
 	memset(&g_options, 0, sizeof(git_clone_options));
 	g_options.version = GIT_CLONE_OPTIONS_VERSION;
+	g_options.checkout_opts = dummy_opts;
+	g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
 }
 
 static void cleanup_repository(void *path)