Re: apt debug

[Eduardo M KALINOWSKI <eduardo@kalinowski.com.br>]

On 10/13/25 10:07, fxkl47BF@protonmail.com wrote:
> On Mon, 13 Oct 2025, Greg Wooledge wrote:
>
> > On Mon, Oct 13, 2025 at 12:43:13 +0000, fxkl47BF@protonmail.com wrote:
> > > apt list ~e^science
> > >
> > > how can i see the details of what is being searched and how
> >
> > man apt-patterns
> >
> >        ?source-package(REGEX), ~eREGEX
> >            Selects versions where the source package name matches the specified
> >            regular expression.
> >
> > man 7 regex
> >
> >        '^'  (matching the null string at the beginning of a line)
>
>
> i've read that several times
> i don't see anything that tells me the details of how apt is performing the search

I guess you'll need to look at the source code for the exact answer.

But I'd guess it tries to matches the supplied regexp to the source 
package name field (one of the fields of each package, though for some 
reason not reported by apt show <package>), and reports the ones that match.


--
Eduardo M KALINOWSKI
eduardo@kalinowski.com.br