chore: reuse existing terraform from path

Makefile

@@ -1,5 +1,6 @@
 ROOT_DIR              ?= $(shell git rev-parse --show-toplevel)
 SCRIPTS_BASE          ?= $(ROOT_DIR)/scripts
+BIN_DIR               ?= $(ROOT_DIR)/bin
 
 # SETUP AND TOOL INITIALIZATION TASKS
 project-help:
@@ -15,7 +16,7 @@ lint-golangci-lint:
 
 lint-tf: 
 	@echo "Linting examples"
-	@./bin/terraform fmt -check -diff -recursive examples
+	PATH=$(PATH):$(BIN_DIR) terraform fmt -check -diff -recursive examples
 
 lint: lint-golangci-lint lint-tf
 

scripts/project.sh

@@ -18,10 +18,14 @@ elif [ "$action" = "tools" ]; then
 
     go install github.com/golangci/golangci-lint/cmd/[email protected]
     go install github.com/hashicorp/terraform-plugin-docs/cmd/[email protected]
-    # terraform binary is only available as zip, not .tgz
-    mkdir -p bin
-    curl -o bin/terraform.zip -J https://releases.hashicorp.com/terraform/1.10.2/terraform_1.10.2_linux_amd64.zip
-    unzip -d bin bin/terraform.zip
+
+    # if terraform binary not available then download it
+    if ! which terraform; then
+        # terraform binary is only available as zip, not .tgz
+        mkdir -p bin
+        curl -o bin/terraform.zip -J https://releases.hashicorp.com/terraform/1.10.2/terraform_1.10.2_linux_amd64.zip
+        unzip -d bin bin/terraform.zip
+    fi
 else
     echo "Invalid action: '$action', please use $0 help for help"
 fi