gistfile1.txt

terraform {
  backend "s3" {
    ...
  }

  required_version = "= 0.13.4"

  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 3.9.0"
    }
    fugue = {
      source  = "registry.terraform.io/fugue/fugue"
      version = "0.0.1"
    }
  }

}

provider "aws" {
  region = "eu-west-1"
  assume_role {
    role_arn = "arn:aws:iam::redcted:role/redacted"
  }
}

provider "fugue" {
  alias         = "terraform-runner"
  client_id     = var.fugue_client_id
  client_secret = var.fugue_client_secret
}

module "aws_account" {
  source                 = "git::git@gitlab.com:redacted?ref=d39221d"

  providers = {
    aws   = aws.terraform-runner
    fugue = fugue.terraform-runner
  }

  ...
}