$ git clone -n https://src.fedoraproject.org/rpms/perl-Algorithm-C3.git /var/lib/mock/f45-build-21566-586/root/chroot_tmpdir/scmroot/perl-Algorithm-C3
Cloning into '/var/lib/mock/f45-build-21566-586/root/chroot_tmpdir/scmroot/perl-Algorithm-C3'...
$ git fetch origin 3b6176d4e484bbbed2d3c3e3ff41ed530d01d14b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Algorithm-C3
 * [new ref]         3b6176d4e484bbbed2d3c3e3ff41ed530d01d14b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b6176d Update rpmlintrc for current rpmlint