Dne 27. 01. 21 v 18:03 Gwyn Ciesla via devel napsal(a):
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Gwyn Ciesla
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, January 27, 2021 11:00 AM, Vít Ondruch <vondruch(a)redhat.com> wrote:
> Dne 27. 01. 21 v 17:38 Daniel P. Berrangé napsal(a):
>
>> On Wed, Jan 27, 2021 at 05:17:24PM +0100, Vít Ondruch wrote:
>>
>>> Hi,
>>> I wonder, what would be the sentiment if I proposed to deprecated the
>>> `fedpkg local` command. I don't think it should be used. Mock should be
the
>>> preferred way. Would there be anybody really missing this functionality?
>>> While I understand that mock has the benefit of providing a well
>>> defined build environment, with less scope for things going wrong,
>>> that just isn't important to me most of the time. In fact I often
>>> want to build against what I have installed locally, explicitly
>>> not against what mock has in its build root.
>> So overall "fedpkg local" has the benefit that it is much faster
>> to run the build and simpler to get it to build what I want.
> While there is certainly penalty in using mock, running repetitive
> builds together with `--no-clean` option will hardly slow you down. Just
> a few numbers.
>
> 1. Starging from scratch after `mock --scrub=all`, every package have to
> be downloaded and installed:
>
>
> $ time mock -r fedora-rawhide-x86_64 rubygem-net-ssh-5.2.0-2.fc34.src.rpm
>
> ... snip ...
>
> real 0m47,188s
> user 0m41,841s
> sys 0m6,040s
>
>
> 2) With warm cache, only the BRs are installed, running right after the
> previous build:
>
>
> $ time mock -r fedora-rawhide-x86_64 rubygem-net-ssh-5.2.0-2.fc34.src.rpm
>
> ... snip ...
>
> real 0m13,182s
> user 0m9,885s
> sys 0m2,701s
>
>
> 3) Without build root cleanup:
>
>
> $ time mock -r fedora-rawhide-x86_64 rubygem-net-ssh-5.2.0-2.fc34.src.rpm -n
>
> ... snip ...
>
> real 0m7,563s
> user 0m6,139s
> sys 0m1,194s
>
>
> I think this is acceptable penalty for keeping my system unpolluted and
> giving me easy opportunity to start from scratch if I messed up or if my
> dependencies have changed or what not.
>
Great! And you can keep doing that! That's a good thing to have. fedpkg local also
works without network access, like on a train, if you have all your BuildRequires in
place.
No difference here. Mock works fine without network, if you have your
caches populated.
Vít