$ git clone -n http://fedora.riscv.rocks:3000/rpms/java-21-openjdk.git /var/lib/mock/f40-build-789578-135920/root/chroot_tmpdir/scmroot/java-21-openjdk
Cloning into '/var/lib/mock/f40-build-789578-135920/root/chroot_tmpdir/scmroot/java-21-openjdk'...
$ git fetch origin 116c7e0e0e09797b7d49133da3acd81538042fee:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/java-21-openjdk
 * [new ref]         116c7e0e0e09797b7d49133da3acd81538042fee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 116c7e0 Enable riscv64