$ git clone -n http://fedora.riscv.rocks:3000/rpms/shim.git /var/lib/mock/f40-staging-825978-154071/root/chroot_tmpdir/scmroot/shim
Cloning into '/var/lib/mock/f40-staging-825978-154071/root/chroot_tmpdir/scmroot/shim'...
$ git fetch origin 51c8842851d8c794772654648cac85db990dea84:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/shim
 * [new ref]         51c8842851d8c794772654648cac85db990dea84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51c8842 Update to build for riscv64