the `colorArg` key is for whether you want the `--color=always` arg in your `git diff` command. Some pagers want it set to `always`, others want it set to `never`.
Be careful with this one, I think the homebrew and pip versions are behind master. I needed to directly download the ydiff script to get the no-pager functionality working.
If you set `useConfig: true`, lazygit will use whatever pager is specified in `$GIT_PAGER`, `$PAGER`, or your *git config*. If the pager ends with something like ` | less` we will strip that part out, because less doesn't play nice with our rendering approach. If the custom pager uses less under the hood, that will also break rendering (hence the `--paging=never` flag for the `delta` pager).