$ git clone -n https://src.fedoraproject.org/rpms/mingw-python-pyyaml.git /var/lib/mock/f40-build-2011165-45674/root/chroot_tmpdir/scmroot/mingw-python-pyyaml
Cloning into '/var/lib/mock/f40-build-2011165-45674/root/chroot_tmpdir/scmroot/mingw-python-pyyaml'...
$ git fetch origin 6a16f94cd75ae2c8997004972403da63daad24e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-python-pyyaml
 * [new ref]         6a16f94cd75ae2c8997004972403da63daad24e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a16f94 Update to 6.0.1