LIB-74: Replace tfenv and tgswitch with mise (#1405)

Author: arsci

.circleci/config.yml

@@ -3,6 +3,7 @@ env: &env
     GRUNTWORK_INSTALLER_VERSION: v0.0.36
     MODULE_CI_VERSION: v0.46.0
     MODULE_GCP_CI_VERSION: v0.1.1
+    MODULE_CI_CIRCLECI_HELPER_VERSION: v0.56.0
     TERRAFORM_VERSION: 1.5.7
     PACKER_VERSION: 1.7.4
     TERRAGRUNT_VERSION: v0.52.0
@@ -14,6 +15,10 @@ env: &env
     HELM_VERSION: v3.13.1
     KUBECONFIG: /home/circleci/.kube/config
     BIN_BUILD_PARALLELISM: 3
+    MISE_VERSION: v2024.4.0
+    # Mise ASDF defaults to using main.tf to determine the terraform version to use, so we need to
+    # override this to use the .terraform-version file instead.
+    ASDF_HASHICORP_TERRAFORM_VERSION_FILE: .terraform-version
 
 defaults: &defaults
   machine:
@@ -40,10 +45,11 @@ install_gruntwork_utils: &install_gruntwork_utils
   name: install gruntwork utils
   command: |
     curl -Ls https://raw.githubusercontent.com/gruntwork-io/gruntwork-installer/master/bootstrap-gruntwork-installer.sh | bash /dev/stdin --version "${GRUNTWORK_INSTALLER_VERSION}"
-    gruntwork-install --module-name "gruntwork-module-circleci-helpers" --repo "https://github.com/gruntwork-io/terraform-aws-ci" --tag "${MODULE_CI_VERSION}"
+    gruntwork-install --module-name "gruntwork-module-circleci-helpers" --repo "https://github.com/gruntwork-io/terraform-aws-ci" --tag "${MODULE_CI_CIRCLECI_HELPER_VERSION}"
     gruntwork-install --module-name "kubernetes-circleci-helpers" --repo "https://github.com/gruntwork-io/terraform-aws-ci" --tag "${MODULE_CI_VERSION}"
     gruntwork-install --module-name "gcp-helpers" --repo "https://github.com/gruntwork-io/terraform-google-ci" --tag "${MODULE_GCP_CI_VERSION}"
     configure-environment-for-gruntwork-module \
+      --mise-version ${MISE_VERSION} \
       --terraform-version ${TERRAFORM_VERSION} \
       --terragrunt-version ${TERRAGRUNT_VERSION} \
       --packer-version ${PACKER_VERSION} \

modules/files/files.go

@@ -42,7 +42,7 @@ func IsExistingDir(path string) bool {
 // This is useful when running multiple tests in parallel against the same set of Terraform files to ensure the
 // tests don't overwrite each other's .terraform working directory and terraform.tfstate files. This method returns
 // the path to the dest folder with the copied contents. Hidden files and folders (with the exception of the `.terraform-version` files used
-// by the [tfenv tool](https://github.com/tfutils/tfenv) and `.terraform.lock.hcl` used by Terraform to lock providers versions), Terraform state
+// by the [mise tool](https://github.com/jdx/mise) and `.terraform.lock.hcl` used by Terraform to lock providers versions), Terraform state
 // files, and terraform.tfvars files are not copied to this temp folder, as you typically don't want them interfering with your tests.
 // This method is useful when running through a build tool so the files are copied to a destination that is cleaned on each run of the pipeline.
 func CopyTerraformFolderToDest(folderPath string, destRootFolder string, tempFolderPrefix string) (string, error) {
@@ -205,7 +205,7 @@ func PathContainsHiddenFileOrFolder(path string) bool {
 	return false
 }
 
-// PathIsTerraformVersionFile returns true if the given path is the special '.terraform-version' file used by the [tfenv](https://github.com/tfutils/tfenv) tool.
+// PathIsTerraformVersionFile returns true if the given path is the special '.terraform-version' file used by the [mise](https://github.com/jdx/mise) tool.
 func PathIsTerraformVersionFile(path string) bool {
 	return filepath.Base(path) == ".terraform-version"
 }