Re: [Fab-user] fab "let" command

[Jeff Forcier]

Yea, I'm fine with adding another CLI flag for setting env vars. Would
rather avoid a "fake task", though, in favor of something like e.g.

    $ fab --env "foo=bar,biz=baz"

-Jeff

On Thu, Oct 15, 2009 at 9:51 AM, Christian Vest Hansen
<address@hidden> wrote:
> Poof! I just ran into this one.
>
> Consider this a vote to get `let` back at some point.
>
> Until then, this (probably way simplified and naïve) implementation in
> my fabfile covers my needs:
>
> def let(**kvargs):
>  "Define the provided arbitrary key-value arguments as attributes in env."
>  env.update(kvargs)
>
>
> On Sun, Jul 12, 2009 at 6:30 PM, Jeff Forcier <address@hidden> wrote:
>> Hi Ben, apologies for the delay in replying!
>>
>> There's no replacement for the old global 'let' flag right now, but
>> that's mostly because I haven't taken the time to re-examine it and
>> see how such a feature fits into the new scheme of things. Something
>> like that may well show up again in the future.
>>
>> One option that may be used as a workaround is to specify arguments to
>> your tasks, e.g. "fab deploy:fixtures=my_fixture.json", which is
>> equivalent to calling "deploy(fixtures='my_fixture.json')". This is
>> subtly different from setting env vars directly, but can serve much
>> the same purpose. The docs for this aspect of Fabric can be found
>> here:
>>
>>    http://docs.fabfile.org/0.9/api/main.html#fabric.main.parse_arguments
>>
>> Otherwise, as you mentioned, you could write tasks to do this for you
>> -- even make your own "let" to set env vars, which coincidentally
>> would have the same syntax as the old let builtin, due to how the
>> above task args feature works.
>>
>> Best,
>> Jeff
>>
>> On Thu, Jul 9, 2009 at 5:44 PM, Ben Davis<address@hidden> wrote:
>>> One other thing I've also noticed while upgrading to 0.9,  is that the "let"
>>> command no longer works.  For example, one of my commands would be
>>>
>>> fab staging let:fixtures=my_fixture.json deploy
>>>
>>> My deployment script would then set the fixtures variable and I could use
>>> that in any of my functions.   Is there a way to do this w/ 0.9?  Or is it
>>> just a matter of writing my own "let" command?
>>>
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>>>
>>>
>>
>>
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>
>
>
> --
> Venlig hilsen / Kind regards,
> Christian Vest Hansen.
>