MSGID: <10l3ko0$170pa$1@dont-email.me> b7658c5f
REPLY: <69753590@news.ausics.net> ff290f7b
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REPLYADDR daniel@me.invalid
REPLYTO 3:633/10 UUCP
Subject: Re: Mailutils not shown in Raspbian source ./. Was: Citadel? Courier?
Cyrus? Dovecot? - I just want to backup my emails

On 24/01/2026 21:11, Computer Nerd Kev wrote:
>> Raspbian doesn't copy packages from Debian, it just uses the 
>> Debian repos. The Raspberry Pi's own repo doesn't contain 
>> userspace packages unless they're pi-specific.
> 
> This is evidently untrue simply from looking at the Raspbian repo's 
> contents. I found out the hard way that some packages like Firefox 
> there are built only for Debian's target ARM architectures, not the 
> early Raspberry Pi boards.

I suppose it depends what you mean by pi-specific. Yes, there are builds 
of some userspace applications in the pi repo (more than I realized, I 
admit).

> Also I haven't seen the Debian repo used in Raspbian sources.list,
> though I haven't used the more recent RPi OS versions.

The debian.sources file in Trixie looks identical on my AMD64 box and my 
Pi5. I don't have Bullseye installs around, any more, to check.

> Would this even work seeing as there'd be conflicting packages for
> the same programs? In my experience with Debian on PC, it wouldn't
> since Apt doesn't favour one repo over another - it just selects
> whichever package versions look latest.

apt is complex. It uses version numbers, priorities, pinning, and 
preferences from /etc/apt -- it does seem to work, but I haven't worked 
out exactly how.


-- 
Cheers,
  Daniel.

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