$ git clone -n https://src.fedoraproject.org/rpms/rust-testing_logger.git /var/lib/mock/f45-build-45396-822/root/chroot_tmpdir/scmroot/rust-testing_logger
Cloning into '/var/lib/mock/f45-build-45396-822/root/chroot_tmpdir/scmroot/rust-testing_logger'...
$ git fetch origin fc634626bb6624ed08c2832d1ee0894b1621120d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-testing_logger
 * [new ref]         fc634626bb6624ed08c2832d1ee0894b1621120d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc63462 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild