$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-FTPServer.git /var/lib/mock/f45-build-25289-610/root/chroot_tmpdir/scmroot/perl-Net-FTPServer
Cloning into '/var/lib/mock/f45-build-25289-610/root/chroot_tmpdir/scmroot/perl-Net-FTPServer'...
$ git fetch origin 1c9c19b72b7782aff1ae2064372d19479df4b124:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-FTPServer
 * [new ref]         1c9c19b72b7782aff1ae2064372d19479df4b124 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c9c19b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild