You mean...these docs...linked to in the "Documentation" section on
the main page? :D
http://docs.fabfile.org/0.9/usage/execution.html
Let me know if that page is still unclear in any way :)
-Jeff
On Wed, Nov 4, 2009 at 9:46 PM, Christopher DeMarco <dema...@maya.com> wrote:
> So I think I understand why Fabric works this way, and I'd like to
> see the docs updated for the next poor sap who tries to be clever like
> me :-)
>
> Given the following fabfile:
>
> from fabric.api import *
> env.hosts = ['hostA']
>
> def withEnv():
> run('/bin/true')
>
> def paramNo(hostname):
> env.hosts = [hostname]
> run('/bin/true')
>
> def paramYes(hostname):
> env.host_string = hostname
> run('/bin/true')
>
>
> Why does paramNo not do what I expect? (fab output trimmed:)
>
> $ fab withEnv
> [hostA] run: /bin/true
>
> $ fab paramNo:hostB
> [hostA] run: /bin/true
>
> $ fab paramYes:hostB
> [hostB] run: /bin/true
>
>
> I think that the answer is that Fabric loops over env.hosts, setting
> env.host_string inside the invoked function. Assigning to hosts.env
> within a function will have no effect on where put(), run()
> et.al. runs (but possibly upon subsequent turns of the loop?) since
> env.host_string is already set. Am I understanding correctly? Can I
> contribute a simple patch to the docs without monkeying around with
> git?
>
> Fabric is awesome, thanks!
>
>
> --
> Christopher DeMarco <dema...@maya.com>
> IT Director
> MAYA Group
> +1-412-708-9660
>
>
>
> _______________________________________________
> Fab-user mailing list
> Fab-user@nongnu.org
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>
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