On Fri, Jul 17, 2015 at 01:15:53PM +0300, Andrew Savchenko wrote:
> Hello,
> 
> TL;DR Is there any tool to build dependency tree for all packages
> needed to be stabilized (or keyworded) in order stabilize (keyword)
> foo/bar?

gnome team has this, its pretty good and has a --check-dependencies too.
Gilles has done a bunch of cleanups on it but not merged back in yet.
https://gitweb.gentoo.org/proj/gnome.git/tree/scripts/gen_archlist.py?h=gen_archlist_cleanup
> 
> Sometimes in order to stabilize a single version bump a whole lot
> of packages needs to be stabilized as dependencies. A good example
> is [1]. What I really need here is to stabilize
> dev-haskell/pandoc-siteproc (I don't even care about exact version,
> since any version looks ok for app-doc/root-docs), but this
> triggers a whole lot of haskell packages to be stabilized. There
> are several issues here:
> 
> 1. There are many solutions for this issue, since version
> requirements usually allow some range of versions. Looks like this
> is a classical graph path finding task. It would be great to have a
> tool for best effort solution: e.g. for a tree with minimal number
> of dependencies of with most recent packages possible (for those
> which are in the tree for at least 30 days).

it does not check this yet tho, but thats not too bad i suppose.
> 
> 2. It is very tedious to build such dependency tree manually (this
> is how it was done in [1]). To make it worse such work is
> error-prone, because it is near to impossible to check that each
> stabilization in the dependency tree will not trigger any blocker
> in the whole portage tree. Actually at least one such error was made
> [2]. The best that can be done by hand is to verify that the
> stabilization dependency tree is self-consistent, but even this
> check requires a lot of time and effort.
> 
> All these problems should be solvable with an appropriate tool, but
> I can't find such tool. Apparently it should inherit some of emerge
> and repoman functionality for deptree building and checking
> respectively.
> 
> Any ideas? I suppose arch teams should have something similar for
> their goals.
> 
> P.S. Note for the record: I filed a lot of stabilization request
> for dev-haskell/* packaged I do not maintain, because haskell team
> had not responded in a reasonable amount of time for my stable
> request [3]. I'm not blaming anyone here, just explaining why such
> action was taken.
> 
> [1] https://bugs.gentoo.org/showdependencytree.cgi?id=529538&hide_resolved=0
> [2] https://bugs.gentoo.org/show_bug.cgi?id=552388
> [3] https://bugs.gentoo.org/show_bug.cgi?id=546260
> 
> Best regards,
> Andrew Savchenko



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