apt-get update fails, and therefore apt-cache search #223

Hi
when running
sudo /opt/sw/bin/apt-get update. (BTW where can I set the patch in MacOS?)
I obtain

Err http://bindist.finkmirrors.net stable/main Packages
404 Not Found
Get:1 http://bindist.finkmirrors.net stable/main Release [85B]
Fetched 85B in 0s (177B/s)
Failed to fetch http://bindist.finkmirrors.net/10.15/dists/stable/main/binary-darwin-x86_64/Packages 404 Not Found
Reading Package Lists... Done
Building Dependency Tree... Done
E: Some index files failed to download, they have been ignored, or old ones used instead.

I also tried
sudo ./apt-get install git
Reading Package Lists... Done
Building Dependency Tree... Done
W: Couldn't stat source package list http://bindist.finkmirrors.net stable/main Packages (/opt/sw/var/lib/apt/lists/bindist.finkmirrors.net_10.15_dists_stable_main_binary-darwin-x86%5f64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://bindist.finkmirrors.net stable/main Packages (/opt/sw/var/lib/apt/lists/bindist.finkmirrors.net_10.15_dists_stable_main_binary-darwin-x86%5f64_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
E: Couldn't find package git