[bug#33805] [PATCH]: refresh: Allow searching recursively

[Efraim Flashner]

On Wed, Dec 19, 2018 at 04:54:32PM -0600, Eric Bavier wrote:
> On Wed, 19 Dec 2018 22:13:13 +0200
> Efraim Flashner <address@hidden> wrote:
> 
> > From 8e73b5e0b7ecbac3f4c407cee407b918060b7d1b Mon Sep 17 00:00:00 2001
> > From: Efraim Flashner <address@hidden>
> > Date: Wed, 19 Dec 2018 22:08:18 +0200
> > Subject: [PATCH] scripts: refresh: Allow searching recursively.
> > 
> > * guix/scripts/refresh.scm (refresh-recursive, list-recursive): New
> > procedures.
> > (show-help): Document it.
> > (guix-refresh): Add flags and checks for new options.
> > * doc/guix.texi (Invoking guix refresh): Document new options.
> > ---
> >  doc/guix.texi            | 32 +++++++++++++++++++++
> >  guix/scripts/refresh.scm | 62 ++++++++++++++++++++++++++++++++++++++++
> >  2 files changed, 94 insertions(+)
> > 
> > diff --git a/doc/guix.texi b/doc/guix.texi
> > index 20b5013fd..2888d1efb 100644
> > --- a/doc/guix.texi
> > +++ b/doc/guix.texi
> > @@ -7370,6 +7370,22 @@ are many packages, though, for which it lacks a 
> > method to determine
> >  whether a new upstream release is available.  However, the mechanism is
> >  extensible, so feel free to get in touch with us to add a new method!
> >  
> > address@hidden @code
> > +
> > address@hidden --recursive
> > +Consider the packages specified, and all the packages upon which they 
> > depend.
> <...>
> > address@hidden --list-recursive
> > +List all the packages which one or more packages depend upon.
> 
> I think it would be nice to have some more symmetry between the names
> of these options and existing options.  Initially I was confused about
> what business 'guix refresh' would have in being "recursive".
> 
> 'guix build --sources=transitive' seems like it behaves similarly, in
> that it visits package inputs.
> 
> 'guix refresh --list-dependents' is the reverse of this
> '--list-recursive', but the names do not immediately suggest this to
> me.
> 

I created '--list-dependents' mostly on my way to '--recursive', but I
didn't really like the name either. '--list-transitive' works well for
me.

I also think it would be nice if I would parse the other command line
arguements, remove '--recursive', and pass the rest of them to 'guix
refresh' for each of the (now transitive) packages. Then 'guix refresh
--recursive --update foo' would work as expected™.



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