commithook install cannot be performed in a git sub-directory

[andkirby]

0 kirby-48 12:02:44 /d/home
✓ $ mkdir t1

0 kirby-48 12:02:47 /d/home
✓ $ cd t1

0 kirby-48 12:02:49 /d/home/t1
✓ $ git init
Initialized empty Git repository in D:/home/t1/.git/

0 kirby-48 12:02:52 /d/home/t1 (master)
✓ $ mkdir 1

0 kirby-48 12:02:55 /d/home/t1 (master)
✓ $ cd 1

0 kirby-48 12:02:56 /d/home/t1/1 (master)
✓ $ ch install

 Please set your root project directory. [D:\home\t1]:
 >


                                                                                             
 [ERROR] No information about git directory.                                                 
                                                                                             

 Please set your root project directory. [D:\home\t1]:
 >


                                                                                             
 [ERROR] No information about git directory.                                                 
                                                                                             

 Please set your root project directory. [D:\home\t1]:
 > /d/home/t1/


  [Symfony\Component\Console\Exception\LogicException]
  No information about git directory.


install [-d|--project-dir PROJECT-DIR] [--hook HOOK] [--commit-msg] [--pre-commit] [-w|--overwrite] [-p|--php-binary PHP-BINARY]