[fix] Remove warning from equivs

[maniackcrudelis]

The problem

equivs-build prints 3 warnings:

dh_install: Compatibility levels before 9 are deprecated (level 7 in use)
dh_installdocs: Compatibility levels before 9 are deprecated (level 7 in use)                       
dh_installdeb: Compatibility levels before 9 are deprecated (level 7 in use)

Solution

Fix the compatibility level at 10 in the compat file used by equivs-build

PR Status

Tested on stretch and jessie.

How to test

Install an app, like piwigo or nextcloud.

Validation

• Principle agreement 0/2 :
• Quick review 0/1 :
• Simple test 0/1 :
• Deep review 0/1 :

[alexAubin]

I don't know much about implications it can have, but naively I think it's legit...

[JimboJoe]

Seems LGTM but... where did you find any (small) piece of information on that subject...? 😵

[maniackcrudelis]

The man of debhelper gives a lot of informations about the compatibility levels.
The error message is clear, on stretch we shouldn't use a comptibility level under 9, and 10 "is the recommended mode of operation".

About the emplacement of the compat file, I scavenged internet to find some informations, and finally found that all the files used by equivs were there.

[alexAubin]

(Merged 8652435 in stretch)

[Psycojoker]

Do we need to wait for stretch to merge this one? PR indicates that it is working on jessie.

[maniackcrudelis]

I would say no, we don't have to wait.

[Psycojoker]

Ok then, we'll reverse in case of problem.