$ git clone -n http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk-portable.git /var/lib/mock/f40-build-789613-135932/root/chroot_tmpdir/scmroot/java-latest-openjdk-portable
Cloning into '/var/lib/mock/f40-build-789613-135932/root/chroot_tmpdir/scmroot/java-latest-openjdk-portable'...
$ git fetch origin 39691d3d00cd064ae9f94a3d09b37d9d01bc3491:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk-portable
 * [new ref]         39691d3d00cd064ae9f94a3d09b37d9d01bc3491 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39691d3 Build riscv64