Bug#930487: lintian: speed up test suite CI

["Chris Lamb" <lamby@debian.org>]

Felix Lechner wrote:

> For Lintian, however, I would prefer to upload the test packages
> separately to Debian's regular build infrastructure.

Hm, I think you are talking at cross-purposes to Dmitry here. Nobody
was suggesting we upload the test packages to Debian; that would
surely be impossible.

Gitlab has a support for saving various parts of a successful build
for the next one. I believe the idea is that we would build the test
packages and then push them to this cache re-using them on any subsequent
test runs. People often use this to cache "pip" Python dependencies
but I don't see any obvious reason why we can't use it here.

(This is indexed by some cache key so that changing the testsuite
itself could/would rebuild the packages as appropriate.)


Regards,

-- 
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     : :'  :     Chris Lamb
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