[debhelper-devel] Bug#793443: debhelper: Could use Dpkg::Arch::debarch_is instead of dpkg-architecture

[Guillem Jover]

Package: debhelper
Version: 9.20150629
Severity: wishlist
Tags: patch
Control: block 793404 by -1

Hi!

debhelper might do some expensive calls to dpkg-architecture to check
if an architecture matches a wildcard. Most of the overhead can be
avoided by directly using the perl module Dpkg::Arch. Although it is
not currently marked as public, the function necessary here should be
considered stable, and I'm marking the module as public and exposing
a subset of its functions with dpkg 1.18.2 (including the one used
here). Also the debarch_is function has been part of Dpkg::Arch since
1.14.8 with the exact same semantics.

Here's a tentative untested patch that tries to do that. I'm not sure
how much of a speed up this would give though.

Thanks,
Guillem
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