/**
* dnf_db_remove_all:
* @db: a #DnfDb instance.
* @package: A package to use as a reference
* @error: A #GError, or %NULL
*
* Removes a all data value from the yumdb 'database' for a given package.
*
* Returns: %TRUE for success, %FALSE otherwise
*
* Since: 0.1.0
**/
gboolean
dnf_db_remove_all(DnfDb *db, DnfPackage *package, GError **error)
{
DnfDbPrivate *priv = GET_PRIVATE(db);
const gchar *filename;
g_autoptr(GDir) dir = NULL;
g_autofree gchar *index_dir = NULL;
g_autoptr(GFile) file_directory = NULL;
g_return_val_if_fail(DNF_IS_DB(db), FALSE);
g_return_val_if_fail(package != NULL, FALSE);
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
if (!priv->enabled)
return TRUE;
/* get the folder */
index_dir = dnf_db_get_dir_for_package(db, package);
if (index_dir == NULL) {
g_set_error(error,
DNF_ERROR,
DNF_ERROR_FAILED,
"cannot create index for %s",
dnf_package_get_package_id(package));
return FALSE;
}
if (!g_file_test(index_dir, G_FILE_TEST_IS_DIR)) {
g_debug("Nothing to delete in %s", index_dir);
return TRUE;
}
/* open */
dir = g_dir_open(index_dir, 0, error);
if (dir == NULL)
return FALSE;
/* delete each one */
filename = g_dir_read_name(dir);
while (filename != NULL) {
g_autofree gchar *index_file = NULL;
g_autoptr(GFile) file_tmp = NULL;
index_file = g_build_filename(index_dir, filename, NULL);
file_tmp = g_file_new_for_path(index_file);
/* delete, ignoring error */
g_debug("deleting %s from %s", filename, index_dir);
if (!g_file_delete(file_tmp, NULL, NULL))
g_debug("failed to delete %s", filename);
filename = g_dir_read_name(dir);
}
/* now delete the directory */
file_directory = g_file_new_for_path(index_dir);
return g_file_delete(file_directory, NULL, error);
}
/**
* dnf_package_get_cost:
* @pkg: a #DnfPackage *instance.
*
* Returns the cost of the repo that provided the package.
*
* Returns: the cost, where higher is more expensive, default 1000
*
* Since: 0.1.0
**/
guint
dnf_package_get_cost(DnfPackage *pkg)
{
DnfPackagePrivate *priv;
priv = dnf_package_get_priv(pkg);
if (priv->repo == NULL) {
g_warning("no repo for %s", dnf_package_get_package_id(pkg));
return G_MAXUINT;
}
return dnf_repo_get_cost(priv->repo);
}
/**
* dnf_emit_package:
*/
void
dnf_emit_package (PkBackendJob *job, PkInfoEnum info, DnfPackage *pkg)
{
/* detect */
if (info == PK_INFO_ENUM_UNKNOWN)
info = dnf_package_get_info (pkg);
if (info == PK_INFO_ENUM_UNKNOWN)
info = dnf_package_installed (pkg) ? PK_INFO_ENUM_INSTALLED : PK_INFO_ENUM_AVAILABLE;
pk_backend_job_package (job,
info,
dnf_package_get_package_id (pkg),
dnf_package_get_summary (pkg));
}
/**
* dnf_db_get_string:
* @db: a #DnfDb instance.
* @package: A package to use as a reference
* @key: A key name to retrieve, e.g. "releasever"
* @error: A #GError, or %NULL
*
* Gets a string value from the yumdb 'database'.
*
* Returns: An allocated value, or %NULL
*
* Since: 0.1.0
**/
gchar *
dnf_db_get_string(DnfDb *db, DnfPackage *package, const gchar *key, GError **error)
{
gchar *value = NULL;
g_autofree gchar *filename = NULL;
g_autofree gchar *index_dir = NULL;
g_return_val_if_fail(DNF_IS_DB(db), NULL);
g_return_val_if_fail(package != NULL, NULL);
g_return_val_if_fail(key != NULL, NULL);
g_return_val_if_fail(error == NULL || *error == NULL, NULL);
/* get file contents */
index_dir = dnf_db_get_dir_for_package(db, package);
if (index_dir == NULL) {
g_set_error(error,
DNF_ERROR,
DNF_ERROR_FAILED,
"cannot read index for %s",
dnf_package_get_package_id(package));
return NULL;
}
filename = g_build_filename(index_dir, key, NULL);
/* check it exists */
if (!g_file_test(filename, G_FILE_TEST_EXISTS)) {
g_set_error(error,
DNF_ERROR,
DNF_ERROR_FAILED,
"%s key not found",
filename);
return NULL;
}
/* get value */
if (!g_file_get_contents(filename, &value, NULL, error))
return NULL;
return value;
}
/**
* dnf_db_ensure_origin_pkg:
* @db: a #DnfDb instance.
* @pkg: A package to set
*
* Sets the repo origin on a package if not already set.
*
* Since: 0.1.0
*/
void
dnf_db_ensure_origin_pkg(DnfDb *db, DnfPackage *pkg)
{
g_autoptr(GError) error = NULL;
g_autofree gchar *tmp = NULL;
/* already set */
if (dnf_package_get_origin(pkg) != NULL)
return;
if (!dnf_package_installed(pkg))
return;
/* set from the database if available */
tmp = dnf_db_get_string(db, pkg, "from_repo", &error);
if (tmp == NULL) {
g_debug("no origin for %s: %s",
dnf_package_get_package_id(pkg),
error->message);
} else {
dnf_package_set_origin(pkg, tmp);
}
}
/**
* dnf_db_set_string:
* @db: a #DnfDb instance.
* @package: A package to use as a reference
* @key: Key name to save, e.g. "reason"
* @value: Key data to save, e.g. "dep"
* @error: A #GError, or %NULL
*
* Writes a data value to the yumdb 'database'.
*
* Returns: Returns: %TRUE for success, %FALSE otherwise
*
* Since: 0.1.0
**/
gboolean
dnf_db_set_string(DnfDb *db,
DnfPackage *package,
const gchar *key,
const gchar *value,
GError **error)
{
DnfDbPrivate *priv = GET_PRIVATE(db);
g_autofree gchar *index_dir = NULL;
g_autofree gchar *index_file = NULL;
g_return_val_if_fail(DNF_IS_DB(db), FALSE);
g_return_val_if_fail(package != NULL, FALSE);
g_return_val_if_fail(key != NULL, FALSE);
g_return_val_if_fail(value != NULL, FALSE);
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
if (!priv->enabled)
return TRUE;
/* create the index directory */
index_dir = dnf_db_get_dir_for_package(db, package);
if (index_dir == NULL) {
g_set_error(error,
DNF_ERROR,
DNF_ERROR_FAILED,
"cannot create index for %s",
dnf_package_get_package_id(package));
return FALSE;
}
if (!dnf_db_create_dir(index_dir, error))
return FALSE;
/* write the value */
index_file = g_build_filename(index_dir, key, NULL);
g_debug("writing %s to %s", value, index_file);
return g_file_set_contents(index_file, value, -1, error);
}
/**
* dnf_db_remove:
* @db: a #DnfDb instance.
* @package: A package to use as a reference
* @key: Key name to delete, e.g. "reason"
* @error: A #GError, or %NULL
*
* Removes a data value from the yumdb 'database' for a given package.
*
* Returns: %TRUE for success, %FALSE otherwise
*
* Since: 0.1.0
**/
gboolean
dnf_db_remove(DnfDb *db,
DnfPackage *package,
const gchar *key,
GError **error)
{
DnfDbPrivate *priv = GET_PRIVATE(db);
g_autofree gchar *index_dir = NULL;
g_autofree gchar *index_file = NULL;
g_autoptr(GFile) file = NULL;
g_return_val_if_fail(DNF_IS_DB(db), FALSE);
g_return_val_if_fail(package != NULL, FALSE);
g_return_val_if_fail(key != NULL, FALSE);
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
if (!priv->enabled)
return TRUE;
/* create the index directory */
index_dir = dnf_db_get_dir_for_package(db, package);
if (index_dir == NULL) {
g_set_error(error,
DNF_ERROR,
DNF_ERROR_FAILED,
"cannot create index for %s",
dnf_package_get_package_id(package));
return FALSE;
}
/* delete the value */
g_debug("deleting %s from %s", key, index_dir);
index_file = g_build_filename(index_dir, key, NULL);
file = g_file_new_for_path(index_file);
return g_file_delete(file, NULL, error);
}
