fix: test terraform templating

templates/templates/common/make_git_helpers.tmpl

@@ -0,0 +1,11 @@
+{{ define "make_git_helpers" }}
+SHELL := bash
+soft_git_log:
+	@git log --pretty=format:"{ \"sha\": \"%H\" }" -1 HEAD || echo "{ \"sha\": \"unknown\" }"
+soft_git_user:
+	@echo "{\"name\": \"$$(git config --global --get user.name)\"}" || echo "{ \"user\": \"unknown\" }"
+soft_git_email:
+	@echo "{\"email\": \"$$(git config --global --get user.email)\"}" || echo "{ \"email\": \"unknown\" }"
+soft_git_branch:
+	@echo "{\"branch\": \"$$(git rev-parse --abbrev-ref HEAD)\"}" || echo "{ \"branch\": \"unknown\" }"
+{{ end }}

templates/templates/component/terraform/Makefile.tmpl

@@ -1,3 +1,4 @@
 {{ template "fogg_header" }}
 {{ template "make_vars" . }}
 {{ template "make_help" }}
+{{ template "make_git_helpers" }}

templates/templates/component/terraform/fogg.tf.tmpl

@@ -119,6 +119,34 @@ variable "owner" {
   default = "{{ .Owner }}"
 }
 
+data "external" "git_sha" {
+  program = [
+    "make",
+    "soft_git_log",
+  ]
+}
+
+data "external" "git_user" {
+  program = [
+    "make",
+    "soft_git_user"
+  ]
+}
+
+data "external" "git_email" {
+  program = [
+    "make",
+    "soft_git_email"
+  ]
+}
+
+data "external" "git_branch" {
+  program = [
+    "make",
+    "soft_git_branch"
+  ]
+}
+
 # tflint-ignore: terraform_unused_declarations
 variable "tags" {
   type =  object({project: string, env: string, service: string, owner: string, managedBy: string})
@@ -130,6 +158,10 @@ variable "tags" {
     terraformLastApplyTime = timestamp()
     terraformWorkspaceDir = "{{ cwd }}"
     gitRepository         = "{{ git_origin }}"
+    gitSHA                = data.external.git_sha.result.sha
+    gitUser               = data.external.git_user.result.name
+    gitEmail              = data.external.git_email.result.email
+    gitBranch             = data.external.git_branch.result.branch
     managedBy             = "terraform"
   }
 }