New test that inits repo and make commit

tests-clar/repo/init.c

@@ -530,3 +530,52 @@ void test_repo_init__can_reinit_an_initialized_repository(void)
 
 	git_repository_free(reinit);
 }
+
+void test_repo_init__init_with_initial_commit(void)
+{
+	git_index *index;
+
+	cl_set_cleanup(&cleanup_repository, "committed");
+
+	/* Initialize the repository */
+	cl_git_pass(git_repository_init(&_repo, "committed", 0));
+
+	/* Init will be automatically created when requested for a new repo */
+	cl_git_pass(git_repository_index(&index, _repo));
+
+	/* Create a file so we can commit it
+	 *
+	 * If you are writing code outside the test suite, you can create this
+	 * file any way that you like, such as:
+	 *      FILE *fp = fopen("committed/file.txt", "w");
+	 *      fputs("some stuff\n", fp);
+	 *      fclose(fp);
+	 * We like to use the help functions because they do error detection
+	 * in a way that's easily compatible with our test suite.
+	 */
+	cl_git_mkfile("committed/file.txt", "some stuff\n");
+
+	/* Add file to the index */
+	cl_git_pass(git_index_add_bypath(index, "file.txt"));
+	cl_git_pass(git_index_write(index));
+
+	/* Create a commit with the new contents of the index */
+	{
+		git_signature *sig;
+		git_oid tree_id, commit_id;
+		git_tree *tree;
+
+		cl_git_pass(git_signature_default(&sig, _repo));
+		cl_git_pass(git_index_write_tree(&tree_id, index));
+		cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+
+		cl_git_pass(git_commit_create_v(
+			&commit_id, _repo, "HEAD", sig, sig,
+			NULL, "First", tree, 0));
+
+		git_tree_free(tree);
+		git_signature_free(sig);
+	}
+
+	git_index_free(index);
+}