$ git clone -n https://src.fedoraproject.org/rpms/perl-Pinto.git /var/lib/mock/f45-build-25845-613/root/chroot_tmpdir/scmroot/perl-Pinto
Cloning into '/var/lib/mock/f45-build-25845-613/root/chroot_tmpdir/scmroot/perl-Pinto'...
$ git fetch origin dcce0af48892e72874d88f8d51f05c3c9e448de3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pinto
 * [new ref]         dcce0af48892e72874d88f8d51f05c3c9e448de3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcce0af Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild