$ git clone -n https://src.fedoraproject.org/rpms/perl-List-Pairwise.git /var/lib/mock/f41-build-780103-13558/root/chroot_tmpdir/scmroot/perl-List-Pairwise
Cloning into '/var/lib/mock/f41-build-780103-13558/root/chroot_tmpdir/scmroot/perl-List-Pairwise'...
$ git fetch origin 00be4b3d1e8b3e50151aa796322aad27e3007361:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-List-Pairwise
 * [new ref]         00be4b3d1e8b3e50151aa796322aad27e3007361 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00be4b3 Eliminate use of obsolete %patchN syntax (#2283636)