$ git clone -n http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk-portable.git /var/lib/mock/f40-build-789666-135950/root/chroot_tmpdir/scmroot/java-latest-openjdk-portable
Cloning into '/var/lib/mock/f40-build-789666-135950/root/chroot_tmpdir/scmroot/java-latest-openjdk-portable'...
$ git fetch origin c1bf21ca035d20201e5ca94795a67e1e2b487f05:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk-portable
 * [new ref]         c1bf21ca035d20201e5ca94795a67e1e2b487f05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1bf21c Expand riscv64 configuration