tfedit

Automates the tedious splitting of deprecated aws_s3_bucket arguments into separate resources (e.g., acl into aws_s3_bucket_acl), directly addressing the breaking changes in AWS provider v4 as shown in the example.

Updates Terraform configurations while retaining existing comments, which is critical for maintaining documentation and readability during large-scale refactors, as highlighted in the features.

Reads from stdin and writes to stdout, enabling easy piping with other commands and integration into scripts or CI/CD pipelines, demonstrated by the usage examples with terraform plan output.

Generates import migration files for tfmigrate from Terraform JSON plan files, automating state management during upgrades and reducing manual import command errors.

Includes a Docker-based sandbox with LocalStack for testing refactors without real AWS credentials, allowing risk-free experimentation as described in the example workflow.