$ git clone -n https://src.fedoraproject.org/rpms/perl-Statistics-Descriptive.git /var/lib/mock/f45-build-26184-616/root/chroot_tmpdir/scmroot/perl-Statistics-Descriptive
Cloning into '/var/lib/mock/f45-build-26184-616/root/chroot_tmpdir/scmroot/perl-Statistics-Descriptive'...
$ git fetch origin 8693d0bad3d2539267a3cef72c2b41f787e7d5d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Statistics-Descriptive
 * [new ref]         8693d0bad3d2539267a3cef72c2b41f787e7d5d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8693d0b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild