$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Pcap.git /var/lib/mock/f45-build-25337-610/root/chroot_tmpdir/scmroot/perl-Net-Pcap
Cloning into '/var/lib/mock/f45-build-25337-610/root/chroot_tmpdir/scmroot/perl-Net-Pcap'...
$ git fetch origin d0d0060f41cbb430499dc444c8e0e312d73b0476:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Pcap
 * [new ref]         d0d0060f41cbb430499dc444c8e0e312d73b0476 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0d0060 Perl 5.44 rebuild