$ git clone -n http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk.git /var/lib/mock/f40-build-789624-135936/root/chroot_tmpdir/scmroot/java-latest-openjdk
Cloning into '/var/lib/mock/f40-build-789624-135936/root/chroot_tmpdir/scmroot/java-latest-openjdk'...
$ git fetch origin 57011d6f29e2e549968099577a71e9310a984ce4:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk
 * [new ref]         57011d6f29e2e549968099577a71e9310a984ce4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57011d6 Add riscv64