$ git clone -n https://src.fedoraproject.org/rpms/kcolorchooser.git /var/lib/mock/f40-build-2199630-51751/root/chroot_tmpdir/scmroot/kcolorchooser
Cloning into '/var/lib/mock/f40-build-2199630-51751/root/chroot_tmpdir/scmroot/kcolorchooser'...
$ git fetch origin 181f4017f676f729af3930bf632c9911c11a6090:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcolorchooser
 * [new ref]         181f4017f676f729af3930bf632c9911c11a6090 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 181f401 24.01.85