copier copy didn't copy my uncommit file even though I added -r HEAD option

[kamontat]

Describe the problem

copy on repository contains uncommit files doesn't works even when added -r HEAD option.

Template

hello {{name}}

To Reproduce

1. Create empty directory
2. Create copier.yaml contains content below

_min_copier_version: 9.4.1
_subdirectory: templates
name:
  type: str
  help: What is your name?

3. Create templates directory and file named message.txt
4. The file should contains hello {{name}}

$PWD/example:
  copier.yaml: |
    _min_copier_version: 9.4.1
    _subdirectory: templates
    name:
      type: str
      help: What is your name?
  templates/message.txt: |
    hello {{name}}

5. Run copier copy . .temp and it should works normally
6. Run git init
7. Rerun copier copy . .temp again and it doesn't works anymore
8. Even with copier copy -r HEAD . .temp, it doesn't works as well

Logs

.../copier/9.4.1/venv/lib/python3.12/site-packages/copier/vcs.py:209: DirtyLocalWarning: Dirty template changes included automatically.
  warn(

Copying from template version 0.0.0.post1.dev0+9e08b53

Expected behavior

it copy templates to target directory.

Screenshots/screencasts/logs

No response

Operating system

macOS

Operating system distribution and version

MacOS 15.1.1

Copier version

copier 9.4.1

Python version

Python 3.12.2

Installation method

pip+pypi

Additional context

No response