int git_repository_index__weakptr(git_index **out, git_repository *repo)
{
int error = 0;
assert(out && repo);
if (repo->_index == NULL) {
git_buf index_path = GIT_BUF_INIT;
git_index *index;
if ((error = git_buf_joinpath(&index_path, repo->path_repository, GIT_INDEX_FILE)) < 0)
return error;
error = git_index_open(&index, index_path.ptr);
if (!error) {
GIT_REFCOUNT_OWN(index, repo);
index = (git_index*) git__compare_and_swap(&repo->_index, NULL, index);
if (index != NULL) {
GIT_REFCOUNT_OWN(index, NULL);
git_index_free(index);
}
error = git_index_set_caps(repo->_index, GIT_INDEXCAP_FROM_OWNER);
}
git_buf_free(&index_path);
}
*out = repo->_index;
return error;
}
int git_repository_odb__weakptr(git_odb **out, git_repository *repo)
{
int error = 0;
assert(repo && out);
if (repo->_odb == NULL) {
git_buf odb_path = GIT_BUF_INIT;
git_odb *odb;
if ((error = git_buf_joinpath(&odb_path, repo->path_repository, GIT_OBJECTS_DIR)) < 0)
return error;
error = git_odb_open(&odb, odb_path.ptr);
if (!error) {
GIT_REFCOUNT_OWN(odb, repo);
odb = (git_odb*) git__compare_and_swap(&repo->_odb, NULL, odb);
if (odb != NULL) {
GIT_REFCOUNT_OWN(odb, NULL);
git_odb_free(odb);
}
}
git_buf_free(&odb_path);
}
*out = repo->_odb;
return error;
}
static void set_index(git_repository *repo, git_index *index)
{
if (index) {
GIT_REFCOUNT_OWN(index, repo);
GIT_REFCOUNT_INC(index);
}
if ((index = (git_index*) git__swap(repo->_index, index)) != NULL) {
GIT_REFCOUNT_OWN(index, NULL);
git_index_free(index);
}
}
static void set_refdb(git_repository *repo, git_refdb *refdb)
{
if (refdb) {
GIT_REFCOUNT_OWN(refdb, repo);
GIT_REFCOUNT_INC(refdb);
}
if ((refdb = (git_refdb*) git__swap(repo->_refdb, refdb)) != NULL) {
GIT_REFCOUNT_OWN(refdb, NULL);
git_refdb_free(refdb);
}
}
static void set_config(git_repository *repo, git_config *config)
{
if (config) {
GIT_REFCOUNT_OWN(config, repo);
GIT_REFCOUNT_INC(config);
}
if ((config = (git_config*) git__swap(repo->_config, config)) != NULL) {
GIT_REFCOUNT_OWN(config, NULL);
git_config_free(config);
}
git_repository__cvar_cache_clear(repo);
}
int git_repository_config__weakptr(git_config **out, git_repository *repo)
{
if (repo->_config == NULL) {
git_buf global_buf = GIT_BUF_INIT, system_buf = GIT_BUF_INIT;
int res;
const char *global_config_path = NULL;
const char *system_config_path = NULL;
if (git_config_find_global_r(&global_buf) == 0)
global_config_path = global_buf.ptr;
if (git_config_find_system_r(&system_buf) == 0)
system_config_path = system_buf.ptr;
res = load_config(&repo->_config, repo, global_config_path, system_config_path);
git_buf_free(&global_buf);
git_buf_free(&system_buf);
if (res < 0)
return -1;
GIT_REFCOUNT_OWN(repo->_config, repo);
}
*out = repo->_config;
return 0;
}
static void drop_index(git_repository *repo)
{
if (repo->_index != NULL) {
GIT_REFCOUNT_OWN(repo->_index, NULL);
git_index_free(repo->_index);
repo->_index = NULL;
}
}
static void drop_odb(git_repository *repo)
{
if (repo->_odb != NULL) {
GIT_REFCOUNT_OWN(repo->_odb, NULL);
git_odb_free(repo->_odb);
repo->_odb = NULL;
}
}
void git_repository_set_config(git_repository *repo, git_config *config)
{
assert(repo && config);
drop_config(repo);
repo->_config = config;
GIT_REFCOUNT_OWN(repo->_config, repo);
}
void git_repository_set_odb(git_repository *repo, git_odb *odb)
{
assert(repo && odb);
drop_odb(repo);
repo->_odb = odb;
GIT_REFCOUNT_OWN(repo->_odb, repo);
GIT_REFCOUNT_INC(odb);
}
static void drop_config(git_repository *repo)
{
if (repo->_config != NULL) {
GIT_REFCOUNT_OWN(repo->_config, NULL);
git_config_free(repo->_config);
repo->_config = NULL;
}
git_repository__cvar_cache_clear(repo);
}
void git_repository_set_index(git_repository *repo, git_index *index)
{
assert(repo && index);
drop_index(repo);
repo->_index = index;
GIT_REFCOUNT_OWN(repo->_index, repo);
GIT_REFCOUNT_INC(index);
}
int git_repository_config__weakptr(git_config **out, git_repository *repo)
{
int error = 0;
if (repo->_config == NULL) {
git_buf global_buf = GIT_BUF_INIT;
git_buf xdg_buf = GIT_BUF_INIT;
git_buf system_buf = GIT_BUF_INIT;
git_config *config;
git_config_find_global(&global_buf);
git_config_find_xdg(&xdg_buf);
git_config_find_system(&system_buf);
/* If there is no global file, open a backend for it anyway */
if (git_buf_len(&global_buf) == 0)
git_config__global_location(&global_buf);
error = load_config(
&config, repo,
path_unless_empty(&global_buf),
path_unless_empty(&xdg_buf),
path_unless_empty(&system_buf));
if (!error) {
GIT_REFCOUNT_OWN(config, repo);
config = (git_config*) git__compare_and_swap(&repo->_config, NULL, config);
if (config != NULL) {
GIT_REFCOUNT_OWN(config, NULL);
git_config_free(config);
}
}
git_buf_free(&global_buf);
git_buf_free(&xdg_buf);
git_buf_free(&system_buf);
}
*out = repo->_config;
return error;
}
/* insert entry or replace existing if we raced with another thread */
static int attr_cache_upsert(git_attr_cache *cache, git_attr_file *file)
{
git_attr_file_entry *entry;
git_attr_file *old;
if (attr_cache_lock(cache) < 0)
return -1;
entry = attr_cache_lookup_entry(cache, file->entry->path);
GIT_REFCOUNT_OWN(file, entry);
GIT_REFCOUNT_INC(file);
old = git__compare_and_swap(
&entry->file[file->source], entry->file[file->source], file);
if (old) {
GIT_REFCOUNT_OWN(old, NULL);
git_attr_file__free(old);
}
attr_cache_unlock(cache);
return 0;
}
int git_repository_refdb__weakptr(git_refdb **out, git_repository *repo)
{
int error = 0;
assert(out && repo);
if (repo->_refdb == NULL) {
git_refdb *refdb;
error = git_refdb_open(&refdb, repo);
if (!error) {
GIT_REFCOUNT_OWN(refdb, repo);
refdb = (git_refdb*) git__compare_and_swap(&repo->_refdb, NULL, refdb);
if (refdb != NULL) {
GIT_REFCOUNT_OWN(refdb, NULL);
git_refdb_free(refdb);
}
}
}
*out = repo->_refdb;
return error;
}
static void attr_cache__free(git_attr_cache *cache)
{
bool unlock;
if (!cache)
return;
unlock = (git_mutex_lock(&cache->lock) == 0);
if (cache->files != NULL) {
git_attr_file_entry *entry;
git_attr_file *file;
int i;
git_strmap_foreach_value(cache->files, entry, {
for (i = 0; i < GIT_ATTR_FILE_NUM_SOURCES; ++i) {
if ((file = git__swap(entry->file[i], NULL)) != NULL) {
GIT_REFCOUNT_OWN(file, NULL);
git_attr_file__free(file);
}
}
});
static int attr_cache_remove(git_attr_cache *cache, git_attr_file *file)
{
int error = 0;
git_attr_file_entry *entry;
if (!file)
return 0;
if ((error = attr_cache_lock(cache)) < 0)
return error;
if ((entry = attr_cache_lookup_entry(cache, file->entry->path)) != NULL)
file = git__compare_and_swap(&entry->file[file->source], file, NULL);
attr_cache_unlock(cache);
if (file) {
GIT_REFCOUNT_OWN(file, NULL);
git_attr_file__free(file);
}
return error;
}
int git_repository_odb__weakptr(git_odb **out, git_repository *repo)
{
assert(repo && out);
if (repo->_odb == NULL) {
git_buf odb_path = GIT_BUF_INIT;
int res;
if (git_buf_joinpath(&odb_path, repo->path_repository, GIT_OBJECTS_DIR) < 0)
return -1;
res = git_odb_open(&repo->_odb, odb_path.ptr);
git_buf_free(&odb_path); /* done with path */
if (res < 0)
return -1;
GIT_REFCOUNT_OWN(repo->_odb, repo);
}
*out = repo->_odb;
return 0;
}
int git_repository_index__weakptr(git_index **out, git_repository *repo)
{
assert(out && repo);
if (repo->_index == NULL) {
int res;
git_buf index_path = GIT_BUF_INIT;
if (git_buf_joinpath(&index_path, repo->path_repository, GIT_INDEX_FILE) < 0)
return -1;
res = git_index_open(&repo->_index, index_path.ptr);
git_buf_free(&index_path); /* done with path */
if (res < 0)
return -1;
GIT_REFCOUNT_OWN(repo->_index, repo);
}
*out = repo->_index;
return 0;
}