$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Server-Simple-Mason.git /var/lib/mock/f45-build-24033-601/root/chroot_tmpdir/scmroot/perl-HTTP-Server-Simple-Mason
Cloning into '/var/lib/mock/f45-build-24033-601/root/chroot_tmpdir/scmroot/perl-HTTP-Server-Simple-Mason'...
$ git fetch origin 049af7bcebae417147c685f3cbfb9f1c4be2d694:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Server-Simple-Mason
 * [new ref]         049af7bcebae417147c685f3cbfb9f1c4be2d694 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 049af7b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild