$ git clone -n https://src.fedoraproject.org/rpms/perl-Frontier-RPC.git /var/lib/mock/f39-build-1440223-32319/root/chroot_tmpdir/scmroot/perl-Frontier-RPC
Cloning into '/var/lib/mock/f39-build-1440223-32319/root/chroot_tmpdir/scmroot/perl-Frontier-RPC'...
$ git fetch origin d0860e8195255c46d55999eb44982febb7e93c4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Frontier-RPC
 * [new ref]         d0860e8195255c46d55999eb44982febb7e93c4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0860e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild