This Google translation of a blog in Dutch by an expat living near the place I frequent in France may indicate things to come.
"I preferred to stay completely at home, but there must be some provisions. In the Intermarché in Domfront, where they have oil for our stove and some things that the small shops in the village do not have, you have to wait outside in a row with 1.5 m. Spitting distance. A lady is standing at the entrance to steer the customer movement in the right direction. One out and one in. One person per family. Sniffers are refused.
On the way back we got control for the first time. Gendarmes with a pistol-machine gun. A boy of just adult checked us, the weapon at the ready. Where are you going and why. Do you have a justificatif? We signed that and we did. Next time each a separate form, if not 135 euro fine. We can now only 1 km. away from home to exercise or walk the dog or child. Cycling prohibited (why?). "