$ git clone -n http://fedora.riscv.rocks:3000/rpms/java-21-openjdk-portable.git /var/lib/mock/f40-build-789637-135940/root/chroot_tmpdir/scmroot/java-21-openjdk-portable
Cloning into '/var/lib/mock/f40-build-789637-135940/root/chroot_tmpdir/scmroot/java-21-openjdk-portable'...
$ git fetch origin a70df714b2498df0a99012c2af3b09b1f71a42b4:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/java-21-openjdk-portable
 * [new ref]         a70df714b2498df0a99012c2af3b09b1f71a42b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a70df71 Remove riscv64 from sbbd arches