an entity tag for the current GFile, or NULL to ignore. [allow-none]
TRUE if a backup should be created
a set of GFileCreateFlags
the I/O priority of the request
optional GCancellable object, NULL to ignore. [allow-none]
a GAsyncReadyCallback to call when the request is satisfied. [scope async]
the data to pass to callback function. closure
Asynchronously overwrites the file, replacing the contents, possibly creating a backup copy of the file first. For more details, see g_file_replace() which is the synchronous version of this call. When the operation is finished, callback will be called. You can then call g_file_replace_finish() to get the result of the operation.