$ git clone -n https://github.com/fedora-riscv/playonlinux /var/lib/mock/f38-build-side-42-init-devel-1156662-30535/root/chroot_tmpdir/scmroot/playonlinux
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1156662-30535/root/chroot_tmpdir/scmroot/playonlinux'...
$ git fetch origin 4383b1fbd581e959b9a4970d347e39f5e2bed5b6:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/playonlinux
 * [new ref]         4383b1fbd581e959b9a4970d347e39f5e2bed5b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4383b1f Add riscv64 support