[Buildroot] [PATCH v3 2/4] pkg-generic: prevent _SITE URLs with a trailing slash

[Arnout Vandecappelle <arnout@mind.be>]

On 30-09-15 11:45, Thomas Petazzoni wrote:
> Dear Luca Ceresoli,
> 
> On Mon, 28 Sep 2015 18:10:32 +0200, Luca Ceresoli wrote:
> 
>>  # Retrieve the archive
>>  $(BUILD_DIR)/%/.stamp_downloaded:
>> +	@(echo "$($(PKG)_SITE)" | grep -Eq "[^/]$$" || \
>> +		(echo "$(PKG)_SITE ($($(PKG)_SITE)) cannot have a trailing slash" && false))
> 
> You could use $(error ...) instead:
> 
>> +	@(echo "$($(PKG)_SITE)" | grep -Eq "[^/]$$" || \
>> +		$(error "$(PKG)_SITE ($($(PKG)_SITE)) cannot have a trailing slash"))

 That's not going to work AFAIK. The whole thing would have to be converted to a
make condition.

 BTW, Luca, you should indicate in your commit message why this has to be part
of .stamp_downloaded and not a static check in inner-generic-package.

> 
> I am wondering if there are indeed no places left where a final / could
> sneak in. For example, when you specify a custom tarball location for
> packages like U-Boot, the Linux kernel and so on.
> 
> For Linux and U-Boot, it is taken care of:
> 
> UBOOT_SITE = $(patsubst %/,%,$(dir $(UBOOT_TARBALL)))
> 
> LINUX_SITE = $(patsubst %/,%,$(dir $(LINUX_TARBALL)))
> 
> But for example, for the external toolchain site:
> 
> TOOLCHAIN_EXTERNAL_SITE = $(dir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL)))
> 
> I believe this means that the TOOLCHAIN_EXTERNAL_SITE variable will
> contain a final /. But that's indeed the only case I could find from a
> quick inspection.

 Well, to be consistent, the removal should not be done for U-Boot or Linux
either, and instead the user should get this error message when he builds.

 Regards,
 Arnout

> 
> Best regards,
> 
> Thomas
> 


-- 
Arnout Vandecappelle                          arnout at mind be
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