Upgraded to work with Terraform >= 0.12 (#44)

terraform_validate.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -e
+
+declare -a paths
+index=0
+error=0
+
+for file_with_path in "$@"; do
+  file_with_path="${file_with_path// /__REPLACED__SPACE__}"
+
+  paths[index]=$(dirname "$file_with_path")
+  (( "index+=1" ))
+done
+
+for path_uniq in $(echo "${paths[*]}" | tr ' ' '\n' | sort -u); do
+  path_uniq="${path_uniq//__REPLACED__SPACE__/ }"
+
+  if [[ -n "$(find . -maxdepth 1 -name '*.tf' -print -quit)" ]] ; then
+    if ! terraform validate $path_uniq; then
+      error=1
+      echo
+      echo "Failed path: $path_uniq"
+      echo "================================"
+    fi
+  fi
+done
+
+if [[ "${error}" -ne 0 ]] ; then
+  exit 1
+fi