[yocto] Fetcher question

[Chris Tapp]

On 29 Sep 2014, at 22:59, Burton, Ross <ross.burton at intel.com> wrote:

> On 29 September 2014 22:36, Chris Tapp <opensource at keylevel.com> wrote:
>> How would the fetcher handle the file changing after it had already been downloaded and passed a checksum test? Would the change have been detected?
> 
> The checksum comparison is only done at fetch.
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=5571 talks about
> extending that to verify the checksums at do_unpack() to catch
> situations like this.

I'm not sure this is quite the same - in this case the (downloaded) file and checksum would have matched but the remote file has changed.

I don't think there's a lot that can be done about this other than try and persuade people not to change published files ;-)

--

Chris Tapp
opensource at keylevel.com
www.keylevel.com

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