'fatal: invalid gitfile format: /usr/local/opt/asdf/asdf.sh" returned when sourcing .zshrc

[jessieobeng]

Description
I installed asdf using Hombrew method:
brew install asdf --HEAD
and added asdf to my .zshrc file using:
echo -e "\n. $(brew --prefix asdf)/asdf.sh" >> ~/.zshrc

When I restart my terminal, cd into the directory I am working in and enter the command
source ~/.zshrc

I get this error:

fatal: invalid gitfile format: /usr/local/opt/asdf/asdf.sh
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.`

To Reproduce

brew install asdf
asdf plugin add ruby
asdf plugin add nodejs
asdf plugin add terraform
bash -c '${ASDF_DATA_DIR:=$HOME/.asdf}/plugins/nodejs/bin/import-release-team-keyring'
asdf install
echo -e "\n. $(brew --prefix asdf)/asdf.sh" >> ~/.zshrc

*Restart Terminal*
source ~/.zshrc

Expected behavior

No output and the .zshrc file is sourced

Actual behavior

fatal: invalid gitfile format: /usr/local/opt/asdf/asdf.sh
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

Environment

asdf version: 0.8.0

[jthegedus]

If you installed via Homebrew, then it performed the Git Clone and any permissions for the cloned files. Have you looked for similar issues on Homebrew repo?

It seems someone had a similar issue once before - #428 (comment) - though I would still say it's a Homebrew issue (either with Homebrew or your specific configuration) as we would have hundreds of people reporting this if it affected everyone installing via Homebrew.

[Stratus3D]

Closing due to lack of a response from @jessieobeng.