BBS:      TELESC.NET.BR
Assunto:  Re: Mailutils not shown in Raspbian source ./. Was: Citadel? Courier? C
De:       Richard Kettlewell
Data:     Sat, 24 Jan 2026 23:14:51 +0000
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Subject: Re: Mailutils not shown in Raspbian source ./. Was: Citadel? Courier? Cyrus? Dovecot? - I just want to backup my emails

not@telling.you.invalid (Computer Nerd Kev) writes:
> Daniel James  wrote:
>> On 24/01/2026 01:25, Computer Nerd Kev wrote:
>>> As a guess: maybe the Raspbian package repo doesn't have sources
>>> for packages they copied from Debian instead of rebuilding
>>> themselves?
>> 
>> 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.
>
> Also I haven't seen the Debian repo used in Raspbian sources.list,
> though I haven't used the more recent RPi OS versions.

It uses both debian.org (or mirrors thereof) and raspberrypi.org. The
latter has RPi-specific packages (e.g. raspi-config) and RPi-specific
rebuilds of standard packages (e.g. vlc), but excludes packages where
the binaries are shared with Debian (e.g. coreutils).

> 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.

It works fine...

>> The issue is probably that /etc/apt/sources.list only has a line for 
>> "deb" packages and not "deb-src" packages, by default.
>
> He posted that there was a "deb-src" line already.
>
> Anyway it still won't build him the latest Mailutils which would be
> easy to do the same way he already did it on PC (providing the
> dependency package names are changed to Debian ones), so I think I
> give up at this point.

The answer was clear from the original post: OP didn?t know how to get
source packages.

-- 
https://www.greenend.org.uk/rjk/

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