$ git clone -n https://src.fedoraproject.org/rpms/freefem++.git /var/lib/mock/f38-build-side-42-init-devel-1244594-30640/root/chroot_tmpdir/scmroot/freefem++
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1244594-30640/root/chroot_tmpdir/scmroot/freefem++'...
$ git fetch origin f1ae5d28e2072822d31f7e3cee94ca8952fa6282:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freefem++
 * [new ref]         f1ae5d28e2072822d31f7e3cee94ca8952fa6282 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1ae5d2 Switch off tests on %{ix86}.