$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Whois-Raw.git /var/lib/mock/f45-build-25438-611/root/chroot_tmpdir/scmroot/perl-Net-Whois-Raw
Cloning into '/var/lib/mock/f45-build-25438-611/root/chroot_tmpdir/scmroot/perl-Net-Whois-Raw'...
$ git fetch origin a1da084fc9108598f7993375c726a367bbd6e531:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Whois-Raw
 * [new ref]         a1da084fc9108598f7993375c726a367bbd6e531 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1da084 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild