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From Mike Zaccardo <>
Subject Re: Evaluating bash in blueprint parameters
Date Tue, 28 Jun 2016 15:50:44 GMT
To clarify, later in this blueprint the value of `mongodb.ubunturepo` is
being fed to `UBUNTUREPO` which is a `shell.env` variable.  When `UBUNTUREPO`
is used in `install.command` the `$(lsb_release -sc)` is not being
evaluated, but remains literally in the string which breaks the install

Is there a way to get `$(lsb_release -sc)` to evaluate properly?  Perhaps
an escape is missing or something trivial like that?

Mike and Alex

On Tue, Jun 28, 2016 at 12:31 AM Alex Hirschfeld <> wrote:

> In the MongoDB blueprint that I am writing, I have the following parameter:
> - name: mongodb.ubunturepo
>    type: string
>    label: Ubuntu Repo URL
>    description: The MongoDB repo for apt-get
>    default: $(lsb_release
> -sc)/mongodb-org/stable multiverse
> The default URL has $(lsb_release -sc) in it, and it makes the
> installation code much smaller if that's evaluated before it is added to
> the environment.
> `lsb_release -sc` returns the code name of the system, so for Ubuntu
> 14.04 is returns trusty and for 12.04 is returns precise.
> Thanks!
> Alexander Hirschfeld

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