$ git clone -n https://src.fedoraproject.org/rpms/xcb-util-keysyms.git /var/lib/mock/f45-build-38637-726/root/chroot_tmpdir/scmroot/xcb-util-keysyms
Cloning into '/var/lib/mock/f45-build-38637-726/root/chroot_tmpdir/scmroot/xcb-util-keysyms'...
$ git fetch origin a587c4382558406b9f582ab31f29b197aa45ac1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xcb-util-keysyms
 * [new ref]         a587c4382558406b9f582ab31f29b197aa45ac1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a587c43 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild