[Haskell-cafe] How to update a cabal dependency automatically

[Tikhon Jelvis]

Do you have a copy of the error message we can look at? It's hard to say
anything without that. If the output is long, it might be better to put it
up on http://lpaste.net/ instead of including it right in the email.


On Wed, Jul 30, 2014 at 12:54 AM, ye yan <haskell.ye.yan at gmail.com> wrote:

> git add -p works very good in this case, thank you for your advise. Just
> wondering how does cabal solve dependencies?
>
> I updated my cabal file. ghci works find with my development box. but when
> I checkout with other computer I got a dependency error. It seems cabal
> failed to detect the correct library version I am using in ghci. Or just
> because for parsec library I have multiple versions installed?
>
> On Wednesday, July 30, 2014 9:31:52 AM UTC+9:30, Lyndon Maydwell wrote:
>
>> If your project is in git you might be able to take advantage of `git
>> add -p` in combination with `cabal init --overwrite`.
>>
>> On Tue, Jul 29, 2014 at 10:32 PM, ye yan <haskell... at gmail.com> wrote:
>> > Thanks for replying. I will be using cabal init --overwrite until the
>> new
>> > feature is complete :D
>> >
>> >
>> > On Tuesday, July 29, 2014 9:18:09 PM UTC+9:30, Alexander Berntsen
>> wrote:
>> >>
>> >> -----BEGIN PGP SIGNED MESSAGE-----
>> >> Hash: SHA256
>> >>
>> >> On 29/07/14 07:52, ye yan wrote:
>> >> > I have been working on a haskell scotty project recently. I have
>> >> > just added configuration support for the project, which added an
>> >> > extra dependency of Control.Lens. My question is: is there a way
>> >> > update .cabal file automatically, just like cabal init but without
>> >> >  recreate .cabal file?
>> >> No. I've been planning to work on that, but haven't had the time yet.
>> >> Thanks for the reminder.
>> >> - --
>> >> Alexander
>> >> alex... at plaimi.net
>> >> https://secure.plaimi.net/~alexander
>> >> -----BEGIN PGP SIGNATURE-----
>> >> Version: GnuPG v2
>> >> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
>> >>
>> >> iF4EAREIAAYFAlPXieUACgkQRtClrXBQc7VsQQD+PB/Tyr7S/a5SGE+aN0CgKWHu
>> >> RFcn35Eqi8jgsaPs/rAA/3/IqdT9DyFZGiYZXHm4m7ndSQyQvy8CZ5pVv+5QlcDN
>> >> =h5Ex
>> >> -----END PGP SIGNATURE-----
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