$ git clone -n https://src.fedoraproject.org/rpms/freefem++.git /var/lib/mock/f41-build-side-1-2786514-32612/root/chroot_tmpdir/scmroot/freefem++
Cloning into '/var/lib/mock/f41-build-side-1-2786514-32612/root/chroot_tmpdir/scmroot/freefem++'...
$ git fetch origin 1338b5892cacdac56ce7e3f80e2cc3b33013cb92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freefem++
 * [new ref]         1338b5892cacdac56ce7e3f80e2cc3b33013cb92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1338b58 Rebuild for SuperLU-7.0.0