$ git clone -n https://src.fedoraproject.org/rpms/rust-env_logger.git /var/lib/mock/f45-build-41597-784/root/chroot_tmpdir/scmroot/rust-env_logger
Cloning into '/var/lib/mock/f45-build-41597-784/root/chroot_tmpdir/scmroot/rust-env_logger'...
$ git fetch origin e02f541eef928b3dfb33c121c2844f2ab36f3e35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-env_logger
 * [new ref]         e02f541eef928b3dfb33c121c2844f2ab36f3e35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e02f541 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild