$ git clone -n https://src.fedoraproject.org/rpms/rust-pretty_env_logger.git /var/lib/mock/f45-build-43989-809/root/chroot_tmpdir/scmroot/rust-pretty_env_logger
Cloning into '/var/lib/mock/f45-build-43989-809/root/chroot_tmpdir/scmroot/rust-pretty_env_logger'...
$ git fetch origin 69691e7d2f9f496095574370f048cccb72864979:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pretty_env_logger
 * [new ref]         69691e7d2f9f496095574370f048cccb72864979 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69691e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild