$ git clone -n https://src.fedoraproject.org/rpms/gnome-control-center.git /var/lib/mock/f43-build-59075926-6570862/root/chroot_tmpdir/scmroot/gnome-control-center
Cloning into '/var/lib/mock/f43-build-59075926-6570862/root/chroot_tmpdir/scmroot/gnome-control-center'...
$ git fetch origin 5d6794416aa359fd89a1f009f045b4961ad4d4c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-control-center
 * [new ref]         5d6794416aa359fd89a1f009f045b4961ad4d4c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d67944 Avoid pulling in pkgconfig