Fix terraform fmt hook where it is now running on all files regardless of exclude

Author: yorinasub17

hooks/terraform-fmt.sh

@@ -7,4 +7,8 @@ set -e
 # workaround to allow GitHub Desktop to work, add this (hopefully harmless) setting here.
 export PATH=$PATH:/usr/local/bin
 
-terraform fmt -recursive
+for file in "$@"; do
+  tmp_file="$(mktemp)"
+  terraform fmt - <"$file" >"$tmp_file"
+  mv "$tmp_file" "$file"
+done