$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-FTPSSL.git /var/lib/mock/f45-build-25288-610/root/chroot_tmpdir/scmroot/perl-Net-FTPSSL
Cloning into '/var/lib/mock/f45-build-25288-610/root/chroot_tmpdir/scmroot/perl-Net-FTPSSL'...
$ git fetch origin b3440150bcf61cd8b0dca0561a44aa09491d5964:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-FTPSSL
 * [new ref]         b3440150bcf61cd8b0dca0561a44aa09491d5964 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b344015 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild