$ git clone -n https://src.fedoraproject.org/rpms/golang-x-perf.git /var/lib/mock/f40-build-2363298-60368/root/chroot_tmpdir/scmroot/golang-x-perf
Cloning into '/var/lib/mock/f40-build-2363298-60368/root/chroot_tmpdir/scmroot/golang-x-perf'...
$ git fetch origin 64d699dbb54d43d4eb87222bf72e223baccd71c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-perf
 * [new ref]         64d699dbb54d43d4eb87222bf72e223baccd71c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64d699d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild