Function run 

pub async fn run(
    models: &[&'static ModelMeta],
    db: &Db,
    dir: &Path,
    args: impl IntoIterator<Item = String>,
) -> Result<ExitCode, MigrationError>

Run a migrations command.

models is the compiled metadata (User::META, …). dir is the migrations directory. args is the command plus flags, without the program name (["makemigrations", "--name", "init"]).

Errors

Graph, IO, JSON, ORM, or usage errors.