$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl-Critic-Nits.git /var/lib/mock/f45-build-25726-612/root/chroot_tmpdir/scmroot/perl-Perl-Critic-Nits
Cloning into '/var/lib/mock/f45-build-25726-612/root/chroot_tmpdir/scmroot/perl-Perl-Critic-Nits'...
$ git fetch origin a35d2215c75ba48a1ba1c8429b4abb4d6c44a35c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl-Critic-Nits
 * [new ref]         a35d2215c75ba48a1ba1c8429b4abb4d6c44a35c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a35d221 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild