Re: http getpass function in msysgit

>
>  - If GIT_ASKPASS is not set:
>
>   - If SSH_ASKPASS is present, then use that from getpass() for any and
>     all places that would want to get "password" like things;
>
>   - Otherwise consult the terminal as before;
>
>  - If GIT_ASKPASS is set:
>
>   - If SSH_ASKPASS is not set, then export the value of GIT_ASKPASS as
>     such as well, so that whenever we spawn "ssh", the same GIT_ASKPASS
>     program will be used as a fallback.
>
> That way, if the user already has set up SSH_ASKPASS, we will use the same
> familiar dialog without forcing the user do anything extra.  If the user
> only sets GIT_ASKPASS without doing SSH_ASKPASS, we would also use it to
> drive the ssh session.  In either case, the user doesn't need to worry
> about multiple configuration or dialog interface.
>
>> It is nice to use one dialog for all cases. git-svn also have the same problem.
>