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Havin_it
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Joined: 17 Jul 2005
Posts: 1247
Location: Edinburgh, UK
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 Posted: Sat Feb 28, 2015 11:58 am Post subject: More granular and recursive "equery depends"? |
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Hi,
Having a quite old and crufty system these days, I find myself dealing with some seemingly odd dependencies quite often that I don't feel equipped to make sense of. "equery depends" can be quite useful, but there are things I wish it could do:
- Operate recursively. Sometimes I want to see the whole dependency chain of a package, i.e. like running equery d on that package, and then on each of its results, all the way up to the profile, @world or @system entries at the top of the tree. This might be the only way to determine why a package is installed, and doing it manually can be interminable.
- Accept a more detailed pkgspec argument (as close to portage atom spec as possible), allowing to filter by version, slot or USE flag(s). For example, find only packages that depend on >=sys-devel/gcc-4.8[objc].
A tool that combines both of these abilities would be invaluable. In fact I'm considering trying to create one, but before I do that I'd like to make sure someone hasn't already done so, given how many portage-related tools there are in the ecosystem. Thanks in advance for any tips. |
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mahdi1234
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Joined: 19 Feb 2005
Posts: 559
Location: Being There
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| Posted: Sun Mar 01, 2015 8:26 pm Post subject: Re: More granular and recursive "equery depends"? |
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| Havin_it wrote: | Hi,
[*] Operate recursively. Sometimes I want to see the whole dependency chain of a package, i.e. like running equery d on that package, and then on each of its results, all the way up to the profile, @world or @system entries at the top of the tree. This might be the only way to determine why a package is installed, and doing it manually can be interminable.
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as for the first point this should do the trick try with and without -D
cheers
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Havin_it
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Joined: 17 Jul 2005
Posts: 1247
Location: Edinburgh, UK
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| Posted: Tue Mar 03, 2015 10:41 am Post subject: Re: More granular and recursive "equery depends"? |
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| mahdi1234 wrote: | | Havin_it wrote: | Hi,
[*] Operate recursively. Sometimes I want to see the whole dependency chain of a package, i.e. like running equery d on that package, and then on each of its results, all the way up to the profile, @world or @system entries at the top of the tree. This might be the only way to determine why a package is installed, and doing it manually can be interminable.
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as for the first point this should do the trick try with and without -D
cheers |
Oh man, that's embarrassing  but thanks anyway, that certainly covers (1) 
I guess all the information needed for (2) is there, it's just a lot to parse by eye when -D comes into play. Parsing it by script would be ... a challenge  |
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