Subject: [bug#36955] [PATCH] machine: Add 'build-locally?' field for managed hosts.

From: Christopher Lemmer Webber <[email-masked]>
Date: Wed, 07 Aug 2019 15:20:59 -0400

Looks good, though I assume this is a dependency for another patch
that's coming?

Jakob L. Kreuze writes:

> * gnu/machine/ssh.scm (machine-ssh-configuration-build-locally?): New
> variable.
> (managed-host-remote-eval): Pass 'build-locally?' to 'remote-eval'.
> ---
>  gnu/machine/ssh.scm | 26 ++++++++++++++++----------
>  1 file changed, 16 insertions(+), 10 deletions(-)
>
> diff --git a/gnu/machine/ssh.scm b/gnu/machine/ssh.scm
> index ae312597dd..1f16d9a5ea 100644
> --- a/gnu/machine/ssh.scm
> +++ b/gnu/machine/ssh.scm
> @@ -47,6 +47,7 @@
>              machine-ssh-configuration
>  
>              machine-ssh-configuration-host-name
> +            machine-ssh-configuration-build-locally?
>              machine-ssh-configuration-port
>              machine-ssh-configuration-user
>              machine-ssh-configuration-session))
> @@ -69,15 +70,17 @@
>    make-machine-ssh-configuration
>    machine-ssh-configuration?
>    this-machine-ssh-configuration
> -  (host-name machine-ssh-configuration-host-name) ; string
> -  (port      machine-ssh-configuration-port       ; integer
> -             (default 22))
> -  (user      machine-ssh-configuration-user       ; string
> -             (default "root"))
> -  (identity  machine-ssh-configuration-identity   ; path to a private key
> -             (default #f))
> -  (session   machine-ssh-configuration-session    ; session
> -             (default #f)))
> +  (host-name      machine-ssh-configuration-host-name) ; string
> +  (build-locally? machine-ssh-configuration-build-locally?
> +                  (default #t))
> +  (port           machine-ssh-configuration-port       ; integer
> +                  (default 22))
> +  (user           machine-ssh-configuration-user       ; string
> +                  (default "root"))
> +  (identity       machine-ssh-configuration-identity   ; path to a private key
> +                  (default #f))
> +  (session        machine-ssh-configuration-session    ; session
> +                  (default #f)))
>  
>  (define (machine-ssh-session machine)
>    "Return the SSH session that was given in MACHINE's configuration, or create
> @@ -103,7 +106,10 @@ one from the configuration's parameters if one was not provided."
>    "Internal implementation of 'machine-remote-eval' for MACHINE instances with
>  an environment type of 'managed-host."
>    (maybe-raise-unsupported-configuration-error machine)
> -  (remote-eval exp (machine-ssh-session machine)))
> +  (remote-eval exp (machine-ssh-session machine)
> +               #:build-locally?
> +               (machine-ssh-configuration-build-locally?
> +                (machine-configuration machine))))
>  
>  
>  ;;;