I suggested simply topping up the front brake system, and squeezing out the air, instead of bleeding the whole system, as a quick fix to be able to ride the bike till I got home. I had a screwdriver on my keychain (fun fact: that keychain was purchased in August 2021, when my previous bike's rear brake had jammed locked, and purchased the screwdriver-keychain as it was the only suitable tool available at the petrol pump bang opposite where the bike had jammed!). Opened the reservoir and it was completely dry.
I walked to the nearest petrol pump and purchased a bottle of hydraulic fluid, and filled the reservoir full. Then closed the reservoir and we both tilted the bike to the right to give it the best chance of draining down. The plan was when the bike was tilted, I'd pump the rear brake pedal, which would pump the front brake system, from the opposite end to the lever, forcing air out and pulling hydraulic fluid in. Unfortunately, we tilted the bike too far and it actually tipped over - right on to me!
Thankfully I was not completely pinned down and I was able to wriggle out without any injury - we then got the bike upright, and decided to try a different approach.
And that's when my alarm went off, and I woke up - an hour before I was supposed to head out on my Saturday morning CoBAM ride!
Thankfully, no technical issues on the ride, but I must admit I was a little nervous when I performed the "rolling brake test" as I headed down the driveway!