Using pbuilder-dist to build packages with additional local dependencies

[Sam Varshavchik]

I have several deb packages that I built and installed on 20, with mutual  
dependencies.

In preparation for updating from to 20 to 22 I need to rebuild them. This is  
what I've been able to figure out so far:

1. I used "pbuilder-dist jammy create" to create a new build environment

2. I used "pbuilder-dist jammy build" to build the first package.

That worked, and I see the new package in ~/pbuilder/jammy_result.

I'm trying to figure out how to do the next step: take the first package  
that I just built and add it to the build root in order to build the second  
package.

When I built rpm packages for Fedora with mock, I fed my first package to  
"mock install" and it installed it into the build root. Then I simply used  
the -n option when building the remaining packages, and "mock install" ing  
each one.

What is the comparable process with pbuilder?

I think I found what I need to do:

https://blog.anthonywong.net/2014/10/26/how-to-include-local-packages-for- 
pbuilder/

Looking at what that blog page says, and reconciling with what I see: I  
don't have an existing ~/.pbuilderrc or  
/var/cache/pbuilder/hook.d, so I presume that I'll need to create one.

Is this, pretty much, what I need to do? There is no simpler way of just  
pulling in a package?

Additionally:

My home directory is on its own partition. As part of the pbuilder build  
process there was a bunch of noise like this:

I: new cache content 'autotools-dev_20220109.1_all.deb' added
ln: failed to create hard link  
'/home/mrsam/pbuilder/aptcache/ubuntu/autotools-dev_20220109.1_all.deb' =>  
'/var/cache/pbuilder/build/363505/var/cache/apt/archives/autotools- 
dev_20220109.1_all.deb': Invalid cross-device link

I suppose I can move /var/cache/pbuilder on the (much bigger) /home mount,  
if this is crucial, but I'd like to get the local package build dependency  
figured out first.

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