$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Pond.git /var/lib/mock/f40-build-2243485-53669/root/chroot_tmpdir/scmroot/perl-Data-Pond
Cloning into '/var/lib/mock/f40-build-2243485-53669/root/chroot_tmpdir/scmroot/perl-Data-Pond'...
$ git fetch origin b4cbf1320650db87609b025aafa762845bf50672:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Pond
 * [new ref]         b4cbf1320650db87609b025aafa762845bf50672 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4cbf13 Use uvchr_to_utf8_flags instead of uvuni_to_utf8_flags (removed in perl 5.38.0)