color.branch.<slot>::
Use customized color for branch coloration. `<slot>` is one of
`current` (the current branch), `local` (a local branch),
- `remote` (a remote-tracking branch in refs/remotes/), `plain` (other
+ `remote` (a remote-tracking branch in refs/remotes/),
+ `upstream` (upstream tracking branch), `plain` (other
refs).
+
The value for these configuration variables is a list of colors (at most