$ git clone -n https://github.com/fedora-riscv/grpc.git /var/lib/mock/f38-build-side-42-init-devel-582778-26078/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-582778-26078/root/chroot_tmpdir/scmroot/grpc'...
$ git fetch origin a7aa7bbd78898eb2e0d13e14aed2ec2f8665cac2:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/grpc
 * [new ref]         a7aa7bbd78898eb2e0d13e14aed2ec2f8665cac2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7aa7bb Skip failed tests on riscv64.