$ git clone -n https://github.com/fedora-riscv/usd /var/lib/mock/f38-build-side-42-init-devel-1089666-30046/root/chroot_tmpdir/scmroot/usd
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1089666-30046/root/chroot_tmpdir/scmroot/usd'...
$ git fetch origin 00c4325e3c69e59abff28d16c025f977484801ec:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/usd
 * [new ref]         00c4325e3c69e59abff28d16c025f977484801ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00c4325 Add riscv64 support