Added support for TFLint with --deep parameter (#53)

Added support for TFLint (https://github.com/wata727/tflint).

Signed-off-by: Costin Galan <costin.galan@mambu.com>

.pre-commit-hooks.yaml

@@ -42,6 +42,14 @@
   files: (\.tf|\.tfvars)$
   exclude: \.terraform\/.*$
 
+- id: terraform_tflint
+  name: Terraform validate with tflint
+  description: Validates all Terraform configuration files with TFLint.
+  entry: terraform_tflint.sh
+  language: script
+  files: (\.tf|\.tfvars)$
+  exclude: \.terraform\/.*$
+
 - id: terragrunt_fmt
   name: Terragrunt fmt
   description: Rewrites all Terragrunt configuration files to a canonical format.

terraform_tflint.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -e
+
+declare -a paths
+declare -a tfvars_files
+
+index=0
+
+for file_with_path in "$@"; do
+  file_with_path="${file_with_path// /__REPLACED__SPACE__}"
+
+  paths[index]=$(dirname "$file_with_path")
+
+  let "index+=1"
+done
+
+for path_uniq in $(echo "${paths[*]}" | tr ' ' '\n' | sort -u); do
+  path_uniq="${path_uniq//__REPLACED__SPACE__/ }"
+
+  pushd "$path_uniq" > /dev/null
+  tflint --deep
+  popd > /dev/null
+done