Following this Process:
https://krew.sigs.k8s.io/docs/user-guide/setup/install/

Krew just fails directliy with:
0114 13:48:16.421460 7059 root.go:79] failed to retrieve plugin indexes: failed to list the remote URL for index .DS_Store: command execution failure, output="": fork/exec /usr/local/bin/git: not a directory

Envirnomnet:

• Macos Big Sur
• zsh

git is accessible , as well as in the path, as also in /usr/local/bin