$ git clone -n https://src.fedoraproject.org/rpms/perl-Mozilla-PublicSuffix.git /var/lib/mock/f45-build-25219-610/root/chroot_tmpdir/scmroot/perl-Mozilla-PublicSuffix
Cloning into '/var/lib/mock/f45-build-25219-610/root/chroot_tmpdir/scmroot/perl-Mozilla-PublicSuffix'...
$ git fetch origin c3fc110cbb6d195d302974f3739b0e5a57056dda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mozilla-PublicSuffix
 * [new ref]         c3fc110cbb6d195d302974f3739b0e5a57056dda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3fc110 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild