[Libgit2] fetching

fetch.c

#include "clar_libgit2.h"
#include "path.h"
#include "fileops.h"
#include "remote.h"

git_repository *repo;
git_remote *remote;
void test_network_fetch__initialize(void)
{
	cl_git_pass(git_repository_init(&repo, "fetched", false));
}

void test_network_fetch__cleanup(void)
{
	git_remote_free(remote);
	git_repository_free(repo);

	if (git_path_isdir("fetched"))
		git_futils_rmdir_r("fetched", GIT_DIRREMOVAL_FILES_AND_DIRS);
}

int update_cb(const char *refname, const git_oid *a, const git_oid *b)
{
	const char *action;
	char a_str[GIT_OID_HEXSZ+1], b_str[GIT_OID_HEXSZ+1];

	git_oid_fmt(b_str, b);
	b_str[GIT_OID_HEXSZ] = '\0';

	if (git_oid_iszero(a)) {
		printf("[new]     %.20s %s\n", b_str, refname);
	} else {
		git_oid_fmt(a_str, a);
		a_str[GIT_OID_HEXSZ] = '\0';
		printf("[updated] %.10s..%.10s %s\n", a_str, b_str, refname);
	}

	return 0;
}

void test_network_fetch__can_fetch_the_whole_libgit2_repository_through_http(void)
{
	git_off_t bytes = 0;
	git_indexer_stats stats;
	stats.processed = 0;
	stats.total = 0;

	cl_git_pass(git_remote_new(&remote, repo, "http://github.com/libgit2/libgit2.git", "libgit2"));
	cl_git_pass(git_remote_set_fetchspec(remote, "refs/*:refs/*"));
	cl_git_pass(git_remote_save(remote));

	cl_git_pass(git_remote_connect(remote, GIT_DIR_FETCH));
	cl_git_pass(git_remote_download(remote, &bytes, &stats));

	git_remote_disconnect(remote);

	cl_git_pass(git_remote_update_tips(remote, update_cb));
}