admin: code cleanup

Refactor internal functions so they can be used by a later patch.
This commit is contained in:
Colin Walters 2012-11-16 10:40:49 -05:00
parent 8f624ab51b
commit ee533d6ab9
1 changed files with 72 additions and 38 deletions

View File

@ -104,6 +104,76 @@ ot_admin_ensure_initialized (GFile *ostree_dir,
return ret;
}
static gboolean
query_file_info_allow_noent (GFile *path,
GFileInfo **out_info,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
ot_lobj GFileInfo *ret_file_info = NULL;
GError *temp_error = NULL;
ret_file_info = g_file_query_info (path, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
cancellable, &temp_error);
if (!ret_file_info)
{
if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
{
g_clear_error (&temp_error);
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
ret = TRUE;
ot_transfer_out_value (out_info, &ret_file_info);
out:
return ret;
}
static gboolean
query_symlink_target_allow_noent (GFile *path,
GFile **out_target,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
ot_lobj GFileInfo *file_info = NULL;
ot_lobj GFile *ret_target = NULL;
ot_lobj GFile *path_parent = NULL;
if (!query_file_info_allow_noent (path, &file_info,
cancellable, error))
goto out;
path_parent = g_file_get_parent (path);
if (file_info != NULL)
{
const char *target;
if (g_file_info_get_file_type (file_info) != G_FILE_TYPE_SYMBOLIC_LINK)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Not a symbolic link");
goto out;
}
target = g_file_info_get_symlink_target (file_info);
g_assert (target);
ret_target = g_file_resolve_relative_path (path_parent, target);
}
ret = TRUE;
ot_transfer_out_value (out_target, &ret_target);
out:
return ret;
}
/**
* ot_admin_get_current_deployment:
*
@ -117,46 +187,10 @@ ot_admin_get_current_deployment (GFile *ostree_dir,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
ot_lobj GFile *current_path = NULL;
ot_lobj GFileInfo *file_info = NULL;
ot_lobj GFile *ret_deployment = NULL;
GError *temp_error = NULL;
current_path = g_file_get_child (ostree_dir, "current");
file_info = g_file_query_info (current_path, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
cancellable, &temp_error);
if (!file_info)
{
if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
{
g_clear_error (&temp_error);
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
else
{
const char *target;
if (g_file_info_get_file_type (file_info) != G_FILE_TYPE_SYMBOLIC_LINK)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Not a symbolic link");
goto out;
}
target = g_file_info_get_symlink_target (file_info);
g_assert (target);
ret_deployment = g_file_resolve_relative_path (ostree_dir, target);
}
ret = TRUE;
ot_transfer_out_value (out_deployment, &ret_deployment);
out:
return ret;
return query_symlink_target_allow_noent (current_path, out_deployment,
cancellable, error);
}