$ git clone -n https://src.fedoraproject.org/rpms/rust-xara.git /var/lib/mock/f45-build-46231-832/root/chroot_tmpdir/scmroot/rust-xara
Cloning into '/var/lib/mock/f45-build-46231-832/root/chroot_tmpdir/scmroot/rust-xara'...
$ git fetch origin 0abe7bcde6355c9e1da8af749e29667a9f1f4499:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-xara
 * [new ref]         0abe7bcde6355c9e1da8af749e29667a9f1f4499 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0abe7bc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild