So I know next to nothing about Gimp, but you could do this in Imagemagick, which as long as you're able to install, should be as easy as copy&pasting the code into the command line and pressing enter.
cd "path to your input folder"
-path "../output" \
-rotate '180' \
+distort Polar 0 \
The plug-ins are mostly implementing the Gimp 2.8 GUI. You would just need to set circle depth to 100% and "Polar to rectangular" to "False"
Demonstration: in the Gimp 2.8 UI I get the same output as you with these parameters:
And to get the picture you want I change to these:
To be more complete, using in 2.10 the same API as BIMP: