[Buildroot] [PATCH v2 03/12] package/pkg-download.mk: add <pkg>_DL_ENV variable

[Yann E. MORIN]

Thomas, All,

On 2020-12-19 16:35 +0100, Thomas Petazzoni spake thusly:
> This variable can be used by package to pass extra environment
> variables to the download logic. It will be used for the Go/Cargo
> vendoring.
> 
> The <pkg>_DL_ENV variable is intentionally not documented: at this
> point, it is not meant to be used by packages directly, but only by
> package infrastructures.
> 
> Suggested-by: Yann E. MORIN <yann.morin.1998 at free.fr>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>

Although it's not much off your chest on this series: applied to
master, with a little tweak, see below...

> ---
>  package/pkg-download.mk | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/package/pkg-download.mk b/package/pkg-download.mk
> index 175b9d7dba..c914d016e2 100644
> --- a/package/pkg-download.mk
> +++ b/package/pkg-download.mk
> @@ -99,7 +99,9 @@ endif
>  
>  define DOWNLOAD
>  	$(Q)mkdir -p $($(2)_DL_DIR)
> -	$(Q)$(EXTRA_ENV) flock $($(2)_DL_DIR)/.lock $(DL_WRAPPER) \
> +	$(Q)$(EXTRA_ENV) \
> +		$($(2)_DL_ENV) \
> +		flock $($(2)_DL_DIR)/.lock $(DL_WRAPPER) \

I find this code to be ugly to look at. But I could not come up with
something that is nice to look at. So I moved the two _ENV variables
expansions to the same line, and it looks less-ugly now...

Thanks.

Regards,
Yann E. MORIN.

>  		-c '$($(2)_DL_VERSION)' \
>  		-d '$($(2)_DL_DIR)' \
>  		-D '$(DL_DIR)' \
> -- 
> 2.29.2
> 
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