$ git clone -n https://src.fedoraproject.org/rpms/xwayland-run.git /var/lib/mock/f45-build-39168-732/root/chroot_tmpdir/scmroot/xwayland-run
Cloning into '/var/lib/mock/f45-build-39168-732/root/chroot_tmpdir/scmroot/xwayland-run'...
$ git fetch origin 5ef87f27a6cfc8f8a42b918f1a359b1307076093:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xwayland-run
 * [new ref]         5ef87f27a6cfc8f8a42b918f1a359b1307076093 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ef87f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild