$ git clone -n https://src.fedoraproject.org/rpms/perl-Statistics-ChiSquare.git /var/lib/mock/f45-build-26182-616/root/chroot_tmpdir/scmroot/perl-Statistics-ChiSquare
Cloning into '/var/lib/mock/f45-build-26182-616/root/chroot_tmpdir/scmroot/perl-Statistics-ChiSquare'...
$ git fetch origin 574f3ef5651553d76514fc3353778ed2e889c400:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Statistics-ChiSquare
 * [new ref]         574f3ef5651553d76514fc3353778ed2e889c400 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 574f3ef Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild