[PATCH] config: Expand ~ to $HOME

[David Edmondson]

On Wed, May 11 2016, Bijan Chokoufe wrote:

> so what would be the spec for handling ~user?

Look up "user" in the password file and replace "~user" with their home
directory. See getpwnam().

> As Tomi pointed out ~foo will point to different folders if set by user
> 'foo' or by user 'bar'.

~foo means "the home directory of user foo", independent of who is using
it, so it will be the same when used by both user foo and user bar.

> To what folder should it point and where do I get this information?
>
> David Edmondson <dme at dme.org> schrieb am Di., 10. Mai 2016 um 10:22 Uhr:
>
>> On Mon, May 09 2016, Bijan Chokoufe Nejad wrote:
>>
>> >> ~user is ~ in case you're 'user' -- except that now that I think of it
>> >> ~user could read home directory from /etc/passwd and not using $HOME.
>> >> If you're 'eve', then ~alice should definitely be different than ~
>> >
>> > OK I see. I never used ~user instead of ~ and don't see any advantage in
>> using
>> > ~user but good to know it's there.
>>
>> A solution that supports ~ but not ~user seems incomplete.
>>