$ git clone -n https://src.fedoraproject.org/rpms/python-rfc3986-validator.git /var/lib/mock/f45-build-32778-662/root/chroot_tmpdir/scmroot/python-rfc3986-validator
Cloning into '/var/lib/mock/f45-build-32778-662/root/chroot_tmpdir/scmroot/python-rfc3986-validator'...
$ git fetch origin 1180baa36301df9f616ed435ad3cad1c40986939:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rfc3986-validator
 * [new ref]         1180baa36301df9f616ed435ad3cad1c40986939 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1180baa Simplify .gitignore