General
Order of Terraform version definition precedence
| Order | Method |
|---|---|
| 1 | $HOME/.tfswitch.toml (version parameter) |
| 2 | .tfswitch.toml (version parameter) |
| 3 | .tfswitchrc (version as a string) |
| 4 | .terraform-version (version as a string) |
| 5 | Terraform root module (required_version constraint) |
| 6 | terragrunt.hcl (terraform_version_constraint parameter) |
| 7 | Environment variable (TF_VERSION) |
With 1 being the lowest precedence and 7 — the highest
(If you disagree with this order of precedence, please open an issue)