terraform not properly storing provider args from command line when there is no provider block

[mildwonkey]

Terraform Version

0.13.2-dev (build from master)

Terraform Configuration Files

resource "aws_bucket" "yo" {
  name = "yo"
}

Expected Behavior

  The region where AWS operations will take place. Examples
resource "aws_bucket" {
  are us-east-1, us-west-2, etc.

  Enter a value: us-east-1

Refreshing Terraform state in-memory prior to plan...

Actual Behavior

provider.aws.region
  The region where AWS operations will take place. Examples
  are us-east-1, us-west-2, etc.

  Enter a value: us-east-1


Error: Missing required argument

The argument "region" is required, but was not set.

Steps to Reproduce

plan

References

Could possibly relate to #26027

[bflad]

In the meantime, this particular issue can be worked around by including the AWS region in the Terraform configuration, e.g.

provider "aws" {
  region = "us-east-1"
}

# ... existing configuration ...

Or using the AWS_DEFAULT_REGION environment variable. These will prevent the "Enter a value" prompt from appearing. Please note that if you are using multiple provider configurations, the region configuration will need to be added to each provider configuration.

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