Add --version flag.HEADv0.2.2master

2 files changed, 5 insertions, 2 deletions

diff --git a/rainbow_parenthesis/__init__.py b/rainbow_parenthesis/__init__.py
index c029b3f..1930f84 100644
--- a/rainbow_parenthesis/__init__.py
+++ b/rainbow_parenthesis/__init__.py
@@ -9,7 +9,7 @@ import io
 from typing import Literal, Generator
 from dataclasses import dataclass
 
-__version__ = "0.2"
+__version__ = "0.2.2"
 
 
 @dataclass
diff --git a/rainbow_parenthesis/__main__.py b/rainbow_parenthesis/__main__.py
index d600806..7e820fc 100644
--- a/rainbow_parenthesis/__main__.py
+++ b/rainbow_parenthesis/__main__.py
@@ -5,7 +5,7 @@ Reads a string from stdin, and outputs it to stdout with all
 parenthesis prettily colored.
 """
 
-from . import colorize, Colored
+from . import colorize, Colored, __version__
 from . import term
 import argparse
 
@@ -20,6 +20,9 @@ def build_argparse() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(prog='rainbow')
     parser.add_argument('input', type=argparse.FileType('r'),
                         nargs='?', default='-')
+    parser.add_argument('--version',
+                        action='version',
+                        version=f'%(prog)s {__version__}')
     return parser