Add indent parameter to format subcommand

Author: moschlar

src/cfengine_cli/format.py

@@ -188,7 +188,7 @@ def autoformat(node, fmt, args, macro_indent, indent=0):
         "promise",
         "attribute",
     ]:
-        indent += 2
+        indent += args.indent
     if node.type == "attribute":
         lines = stringify(node, indent, args)
         fmt.print_lines(lines, indent=0)

src/cfengine_cli/main.py

@@ -46,6 +46,7 @@ def _get_arg_parser():
     fmt.add_argument(
         "--max-line-length", default=80, type=int, help="Maximum line length"
     )
+    fmt.add_argument("--indent", default=2, type=int, help="Indentation increase")
     subp.add_parser(
         "lint",
         help="Look for syntax errors and other simple mistakes",