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Looking for a way to cache .deb files downloaded by apt inside sbuild schroot

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  Looking for a way to cache .deb files downloaded by apt inside sbuild schroot Uladzimir Bely <ubely@ilbers.de> - 2021-10-27 17:10 +0200
    Re: Looking for a way to cache .deb files downloaded by apt inside  sbuild schroot Charles Curley <charlescurley@charlescurley.com> - 2021-10-27 17:50 +0200
    Re: Looking for a way to cache .deb files downloaded by apt inside  sbuild schroot David Christensen <dpchrist@holgerdanske.com> - 2021-10-27 18:00 +0200
    Re: Looking for a way to cache .deb files downloaded by apt inside  sbuild schroot Roberto C. Sánchez <roberto@debian.org> - 2021-10-28 04:20 +0200

#241732 — Looking for a way to cache .deb files downloaded by apt inside sbuild schroot

When sbuild is used to compile a package from sources, some packages (package 
dependencies) are internally downloaded and installed in schroot.

I'm looking for a way to cache the dependencies in form of .deb files outside 
the schroot. So that I could later create a local partial debian repo from 
these .deb files and run sbuild for a second time using the same schroot but 
with local repo for getting dependencies.

I tried several options for sbuild (like --purge-build=never, --purge-
deps=never, --purge-session=never), tried to find .deb files during the build 
using at some stages (--pre-build-commands="ls -la /var/cache/apt/archives/",  
--starting-build-commands="ls -la /var/cache/apt/archives/", --finished-build-
commands="ls -la /var/cache/apt/archives/") - but I couldn't see any .deb 
files inside the schroot.

-- 
Uladzimir Bely
Promwad Ltd.
External service provider of ilbers GmbH
Maria-Merian-Str. 8
85521 Ottobrunn, Germany
+49 (89) 122 67 24-0
Commercial register Munich, HRB 214197
General Manager: Baurzhan Ismagulov

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#241733 — Re: Looking for a way to cache .deb files downloaded by apt inside sbuild schroot

On Wed, 27 Oct 2021 17:32:21 +0300
Uladzimir Bely <ubely@ilbers.de> wrote:

> I'm looking for a way to cache the dependencies in form of .deb files
> outside the schroot. So that I could later create a local partial
> debian repo from these .deb files and run sbuild for a second time
> using the same schroot but with local repo for getting dependencies.

Maybe not quite what you are looking for, but consider apt-cacher-ng.
This will put a local cache on your network for all your .deb packages.

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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#241734 — Re: Looking for a way to cache .deb files downloaded by apt inside sbuild schroot

On 10/27/21 7:32 AM, Uladzimir Bely wrote:
> When sbuild is used to compile a package from sources, some packages (package
> dependencies) are internally downloaded and installed in schroot.
> 
> I'm looking for a way to cache the dependencies in form of .deb files outside
> the schroot. So that I could later create a local partial debian repo from
> these .deb files and run sbuild for a second time using the same schroot but
> with local repo for getting dependencies.
> 
> I tried several options for sbuild (like --purge-build=never, --purge-
> deps=never, --purge-session=never), tried to find .deb files during the build
> using at some stages (--pre-build-commands="ls -la /var/cache/apt/archives/",
> --starting-build-commands="ls -la /var/cache/apt/archives/", --finished-build-
> commands="ls -la /var/cache/apt/archives/") - but I couldn't see any .deb
> files inside the schroot.


I suggest setting up a VM on the host or LAN with a general-purpose 
package caching proxy server.  In the past, I have used approx:

https://packages.debian.org/bullseye/approx


David

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#241742 — Re: Looking for a way to cache .deb files downloaded by apt inside sbuild schroot

On Wed, Oct 27, 2021 at 05:32:21PM +0300, Uladzimir Bely wrote:
> When sbuild is used to compile a package from sources, some packages (package 
> dependencies) are internally downloaded and installed in schroot.
> 
> I'm looking for a way to cache the dependencies in form of .deb files outside 
> the schroot. So that I could later create a local partial debian repo from 
> these .deb files and run sbuild for a second time using the same schroot but 
> with local repo for getting dependencies.
> 
> I tried several options for sbuild (like --purge-build=never, --purge-
> deps=never, --purge-session=never), tried to find .deb files during the build 
> using at some stages (--pre-build-commands="ls -la /var/cache/apt/archives/",  
> --starting-build-commands="ls -la /var/cache/apt/archives/", --finished-build-
> commands="ls -la /var/cache/apt/archives/") - but I couldn't see any .deb 
> files inside the schroot.
> 
You might want to look at cowbuilder.  It does this automatically
without any additional components that need to be configured.

Regards,

-Roberto

-- 
Roberto C. Sánchez

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