[RFC PATCH] test: add devel/test-in-docker.sh

[Philipp Ittershagen]

Tomi Ollila <tomi.ollila at iki.fi> writes:

> On Wed, Aug 17 2016, Tomi Ollila <tomi.ollila at iki.fi> wrote:
>
>> With this user can try and test notmuch in docker container,
>> in fixed environment where it should compile and tests should pass...
>>
>> Currently provided container environments are Debian 8.5 and
>> Ubuntu 16.04 based. Host OS could be any Linux environment with
>> modern enough docker; Perhaps this works on macOS (with docker 1.12+)
>> too (in Windows this script probably fails).
>> ---
>>
>> Currently quite a few tests FAIL -- due to missing prerequisite tests.
>> It would be easy to add some packages, like gdb, emacs(-nox), dtach,
>> but I left those out just to tease you >;)
>>
>
> There are 2 problems in this script
>
> 1) If the initial docker images (ubuntu:16.04 or debian:8.5) are not
>    pulled before docker build started, using sha256 hash of the docker
>    image doesn't work as the initial image where to start building on.
>
> 2) Surprisingly(*) ubuntu:16.03 sha256 has changed from
>    42118e3df429f09ca581a9deb3df274601930e428e452f7e4e9f1833c56a100a to 
>    f8d79ba03c00bbcd8079cf05b7526ac8f4f422744aad8c3747a29a38ed8c4a41
>    between 2016-08-15 (mon) and 2016-08-19 (fri).
>
> So, currently `docker pull debian:8.5` and then
> `./test-in-docker debian8` should work. If ubuntu:16.04 was pulled early
> enough `./test-in-docker ubuntu1604` would work (too).
>
> The next version (which I probably do sometime in distant future, when I
> have time to enchange tests (before that I try to do some reviews!)) will
> probably work the opposite way -- use name:tag as source and after build
> spit a (friendly) WARNING if the hash of the initial image has changed
> in-between.
>
>
> (*) or perhaps not so surprisingly -- anyway it is unfortunate that these
> images are not so ephemeral as one would wish for...
>
>
> Tomi
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-- 
Philipp Ittershagen
Senior Researcher

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