APPLIED(B,C): [SRU disco/cosmic/bionic] linux-buildinfo getabis enhancements

[Khaled Elmously]

On 2018-12-04 21:32:00 , Andy Whitcroft wrote:
> In reviewing the linux-buildinfo support it was pointed out that getabis
> would have problems at the transition from one form to the other.  We have
> also long had a problem with errors during downloads being hidden from the
> user (as we expect some configurations to not have all of the packages).
> This leads us to commit partial ABI information and us to have build
> failures which could be avoided.
> 
> This patch kit does four things.  Firstly it adds descrimination
> of download failures, separating transport failures (which it makes
> instantly fatal) from server generated failures (404 etc).  Secondly it
> uses this discrimination to allow us to identify the presence of valid
> combinations of packages and avoid partial ABI downloads.  Thirdly it
> uses this ability to identify valid combinations to iterate over the
> combinations valid in any series, allowing us to use the same getabis
> script for all series unmodified.  Finally it adds support for parsing
> complete version numbers to simply execution.
> 
> Proposing for application on top of the linux-buildinfo fixes on disco,
> cosmic, and bionic.
> 
> Below is an example transcript of this running in cosmic to make it
> easier to see how the output is modified:
> 
>     $ ./debian/scripts/misc/getabis
>     4.18.0-12.13
>     Fetching generic(armhf)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=n
>       set: linux-image=y linux-modules=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching generic-lpae(armhf)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=n
>       set: linux-image=y linux-modules=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching generic(amd64)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=y linux-modules=y linux-modules-extra=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching lowlatency(amd64)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=y linux-modules=y linux-modules-extra=n
>       set: linux-image-unsigned=y linux-modules=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching generic(i386)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching lowlatency(i386)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=n
>       set: linux-image=y linux-modules=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching generic(arm64)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching snapdragon(arm64)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=n
>       set: linux-image=y linux-modules=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching generic(ppc64el)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=y linux-modules=y linux-modules-extra=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     Fetching generic(s390x)...
>       set: linux-buildinfo=n
>       set: linux-image-unsigned=n linux-modules=- linux-modules-extra=-
>       set: linux-image-unsigned=n linux-modules=-
>       set: linux-image=y linux-modules=y linux-modules-extra=y
>       extracting...
>       images...
>         GCC: (Ubuntu 8.2.0-7ubuntu1) 8.2.0
>       done
>     rm 'debian.master/abi/4.18.0-11.12/abiname'
>     [...]
>     $
> 
> -apw
> 
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