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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "posix.h"
#include "git2/object.h"
#include "git2/refs.h"
#include "git2/refdb.h"
#include "git2/sys/refdb_backend.h"
#include "hash.h"
#include "refdb.h"
#include "refs.h"
int git_refdb_new(git_refdb **out, git_repository *repo)
{
git_refdb *db;
assert(out && repo);
db = git__calloc(1, sizeof(*db));
GITERR_CHECK_ALLOC(db);
db->repo = repo;
*out = db;
GIT_REFCOUNT_INC(db);
return 0;
}
int git_refdb_open(git_refdb **out, git_repository *repo)
{
git_refdb *db;
git_refdb_backend *dir;
assert(out && repo);
*out = NULL;
if (git_refdb_new(&db, repo) < 0)
return -1;
/* Add the default (filesystem) backend */
if (git_refdb_backend_fs(&dir, repo) < 0) {
git_refdb_free(db);
return -1;
}
db->repo = repo;
db->backend = dir;
*out = db;
return 0;
}
static void refdb_free_backend(git_refdb *db)
{
if (db->backend) {
if (db->backend->free)
db->backend->free(db->backend);
else
git__free(db->backend);
}
}
int git_refdb_set_backend(git_refdb *db, git_refdb_backend *backend)
{
refdb_free_backend(db);
db->backend = backend;
return 0;
}
int git_refdb_compress(git_refdb *db)
{
assert(db);
if (db->backend->compress)
return db->backend->compress(db->backend);
return 0;
}
static void refdb_free(git_refdb *db)
{
refdb_free_backend(db);
git__free(db);
}
void git_refdb_free(git_refdb *db)
{
if (db == NULL)
return;
GIT_REFCOUNT_DEC(db, refdb_free);
}
int git_refdb_exists(int *exists, git_refdb *refdb, const char *ref_name)
{
assert(exists && refdb && refdb->backend);
return refdb->backend->exists(exists, refdb->backend, ref_name);
}
int git_refdb_lookup(git_reference **out, git_refdb *db, const char *ref_name)
{
git_reference *ref;
int error;
assert(db && db->backend && out && ref_name);
if (!(error = db->backend->lookup(&ref, db->backend, ref_name))) {
ref->db = db;
*out = ref;
} else {
*out = NULL;
}
return error;
}
int git_refdb_foreach(
git_refdb *db,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload)
{
assert(db && db->backend);
return db->backend->foreach(db->backend, list_flags, callback, payload);
}
struct glob_cb_data {
const char *glob;
git_reference_foreach_cb callback;
void *payload;
};
static int fromglob_cb(const char *reference_name, void *payload)
{
struct glob_cb_data *data = (struct glob_cb_data *)payload;
if (!p_fnmatch(data->glob, reference_name, 0))
return data->callback(reference_name, data->payload);
return 0;
}
int git_refdb_foreach_glob(
git_refdb *db,
const char *glob,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload)
{
int error;
struct glob_cb_data data;
assert(db && db->backend && glob && callback);
if(db->backend->foreach_glob != NULL)
error = db->backend->foreach_glob(db->backend,
glob, list_flags, callback, payload);
else {
data.glob = glob;
data.callback = callback;
data.payload = payload;
error = db->backend->foreach(db->backend,
list_flags, fromglob_cb, &data);
}
return error;
}
int git_refdb_write(git_refdb *db, const git_reference *ref)
{
assert(db && db->backend);
return db->backend->write(db->backend, ref);
}
int git_refdb_delete(struct git_refdb *db, const git_reference *ref)
{
assert(db && db->backend);
return db->backend->delete(db->backend, ref);
}
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