$ git clone -n https://src.fedoraproject.org/rpms/clearlooks-compact-gnome-theme.git /var/lib/mock/f45-build-4218-331/root/chroot_tmpdir/scmroot/clearlooks-compact-gnome-theme
Cloning into '/var/lib/mock/f45-build-4218-331/root/chroot_tmpdir/scmroot/clearlooks-compact-gnome-theme'...
$ git fetch origin 2d3289f839e460122394ce16f0432ccee86e8451:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clearlooks-compact-gnome-theme
 * [new ref]         2d3289f839e460122394ce16f0432ccee86e8451 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d3289f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild