worktree: checkout options suggestions from code review

include/git2/worktree.h

@@ -90,7 +90,7 @@ typedef struct git_worktree_add_options {
 	/**
 	 * Options for the checkout.
 	 */
-	git_checkout_options checkout_opts;
+	git_checkout_options checkout_options;
 } git_worktree_add_options;
 
 #define GIT_WORKTREE_ADD_OPTIONS_VERSION 1

src/worktree.c

@@ -304,16 +304,13 @@ int git_worktree_add(git_worktree **out, git_repository *repo,
 	git_reference *ref = NULL, *head = NULL;
 	git_commit *commit = NULL;
 	git_repository *wt = NULL;
-	git_checkout_options coopts = GIT_CHECKOUT_OPTIONS_INIT;
+	git_checkout_options coopts;
 	git_worktree_add_options wtopts = GIT_WORKTREE_ADD_OPTIONS_INIT;
 	int err;
 
 	GIT_ERROR_CHECK_VERSION(
 		opts, GIT_WORKTREE_ADD_OPTIONS_VERSION, "git_worktree_add_options");
 
-	if (opts)
-		memcpy(&wtopts, opts, sizeof(wtopts));
-
 	GIT_ASSERT_ARG(out);
 	GIT_ASSERT_ARG(repo);
 	GIT_ASSERT_ARG(name);
@@ -321,6 +318,11 @@ int git_worktree_add(git_worktree **out, git_repository *repo,
 
 	*out = NULL;
 
+	if (opts)
+		memcpy(&wtopts, opts, sizeof(wtopts));
+
+	memcpy(&coopts, &wtopts.checkout_options, sizeof(coopts));
+
 	if (wtopts.ref) {
 		if (!git_reference_is_branch(wtopts.ref)) {
 			git_error_set(GIT_ERROR_WORKTREE, "reference is not a branch");
@@ -405,8 +407,6 @@ int git_worktree_add(git_worktree **out, git_repository *repo,
 		goto out;
 
 	/* Checkout worktree's HEAD */
-	if (opts != NULL)
-		memcpy(&coopts, &wtopts.checkout_opts, sizeof(coopts));
 	if ((err = git_checkout_head(wt, &coopts)) < 0)
 		goto out;
 

tests/worktree/worktree.c

@@ -300,7 +300,7 @@ void test_worktree_worktree__add_no_checkout(void)
 	git_str path = GIT_STR_INIT;
 	git_worktree_add_options opts = GIT_WORKTREE_ADD_OPTIONS_INIT;
 
-	opts.checkout_opts.checkout_strategy = GIT_CHECKOUT_NONE;
+	opts.checkout_options.checkout_strategy = GIT_CHECKOUT_NONE;
 
 	cl_git_pass(git_str_joinpath(&path, fixture.repo->workdir, "../worktree-no-checkout"));
 	cl_git_pass(git_worktree_add(&wt, fixture.repo, "worktree-no-checkout", path.ptr, &opts));