2-3 days seems very optimistic, but it depends how much you enjoy tinkering with your setup.

Maybe consider dual-booting so you can go back to windows if something urgent comes up while you migrate.

/s

Right, supported version is only 2.x, further down running 5.x via wine it says “more broken than version 2.5”.

Maybe you can give a console based workflow another shot? I ended up using only git + tig + whatever webui is provided (github, gitlab, forgejo, etc). lazygit is also nice, but I use it rarely.

https://github.com/gitextensions/gitextensions/wiki/Run-Git-Extensions-on-Linux

https://wiki.archlinux.org/title/Git#Graphical_front-ends