dflook/terraform-fmt-check

Check that OpenTofu configuration files are in canonical format

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Maintenance Recency: Maintainedlast commit Jan 13, 2026
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workflow.ymlSHA-pinned

uses: dflook/terraform-fmt-check@59168426e242f665bf7b70644d706224e665056a # v2.2.3

tags can be moved; commit SHAs can't. why a SHA?

Inputs

name	description	required	default
path	The path containing Terraform files to check the formatting of.	no	.
workspace	Terraform workspace to inspect when discovering the Terraform version to use, if the version is not otherwise specified. See [dflook/terraform-version](https://github.com/dflook/terraform-github-actions/tree/main/terraform-version#terraform-version-action) for details.	no	default
backend_config	List of Terraform backend config values, one per line. This is used for discovering the Terraform version to use, if the version is not otherwise specified. See [dflook/terraform-version](https://github.com/dflook/terraform-github-actions/tree/main/terraform-version#terraform-version-action) for details.	no	""
backend_config_file	List of Terraform backend config files to use, one per line. This is used for discovering the Terraform version to use, if the version is not otherwise specified. See [dflook/terraform-version](https://github.com/dflook/terraform-github-actions/tree/main/terraform-version#terraform-version-action) for details. Paths should be relative to the GitHub Actions workspace	no	""

Outputs

name	description
failure_reason	When the job outcome is `failure` because the format check failed, this will be set to 'check-failed'. If the job fails for any other reason this will not be set. This can be used with the Actions expression syntax to conditionally run a step when the format check fails.
failure-reason	When the job outcome is `failure` because the format check failed, this will be set to 'check-failed'. If the job fails for any other reason this will not be set. This can be used with the Actions expression syntax to conditionally run a step when the format check fails.