Set ansible-run as executable and run.
chmod +x ansible-run
./ansible-run
This will install Ansible.
Try to run local.yml
ansible-playbook local.yml --ask-vault-pass
This will put a decrypted copy of the private and public key in your local .ssh folder. It will not decrypt the key in the git-repo.
WARNING: Always check you do not commit the decrypted key!
TODO: Find out why ansible is not setting sshkey