$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-HTTP.git /var/lib/mock/f45-build-25293-610/root/chroot_tmpdir/scmroot/perl-Net-HTTP
Cloning into '/var/lib/mock/f45-build-25293-610/root/chroot_tmpdir/scmroot/perl-Net-HTTP'...
$ git fetch origin 88e9968a518125d2bcc9363d446a735857f92300:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-HTTP
 * [new ref]         88e9968a518125d2bcc9363d446a735857f92300 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88e9968 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild