diff --git a/pre_commit/main.py b/pre_commit/main.py
index 41278ca9..54f90772 100644
--- a/pre_commit/main.py
+++ b/pre_commit/main.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 import argparse
 import logging
 import os
+import re
 import sys
 from typing import Sequence
 
@@ -346,6 +347,8 @@ def main(argv: Sequence[str] | None = None) -> int:
         argv = ['run']
     args = parser.parse_args(argv)
 
+    os.environ['PRE_COMMIT_ARGV'] = ' '.join([re.escape(x) for x in argv])
+
     if args.command == 'help' and args.help_cmd:
         parser.parse_args([args.help_cmd, '--help'])
     elif args.command == 'help':