$ git clone -n https://src.fedoraproject.org/forks/u2fsdgvkx1/rpms/qt.git /var/lib/mock/f41-build-side-1-3144616-40022/root/chroot_tmpdir/scmroot/qt
Cloning into '/var/lib/mock/f41-build-side-1-3144616-40022/root/chroot_tmpdir/scmroot/qt'...
$ git fetch origin 0556db2e1bbeb73a141af19195f1b7cef9f1b71d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/u2fsdgvkx1/rpms/qt
 * [new ref]         0556db2e1bbeb73a141af19195f1b7cef9f1b71d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0556db2 Add support for riscv64