Hello Martin,

this is indeed an annoying behaviour of pacman.
I use the following trick:

    pacman -Syu --ignore $(pacman -Qqu | grep "haskell-" | tr '\n' ',')

There are probably other solutions with sed, awk, ...

Cheers

mmh

On Sat 2014-08-30 14:06, Martin DeMello wrote:
> I regularly get into version pinning conflicts with my haskell- packages.
> The current one has been going on for some days now:
>
> $ sudo pacman -Syu
> :: Synchronizing package databases...
>  core is up to date
>  haskell-core is up to date
>  haskell-happstack is up to date
>  infinality-bundle is up to date
>  infinality-bundle-fonts is up to date
>  extra is up to date
>  community is up to date
> :: Starting full system upgrade...
> resolving dependencies...
> looking for inter-conflicts...
> error: failed to prepare transaction (could not satisfy dependencies)
> :: haskell-lens: requires haskell-aeson=0.7.0.6-9
> :: haskell-lens: requires haskell-attoparsec=0.11.3.4-5
> :: haskell-lens: requires haskell-bifunctors=4.1.1.1-14
> :: haskell-lens: requires haskell-comonad=4.2.2-1
> :: haskell-lens: requires haskell-contravariant=1.1-1
> :: haskell-lens: requires haskell-free=4.9-7
> :: haskell-lens: requires haskell-profunctors=4.2.0.1-1
> :: haskell-lens: requires haskell-scientific=0.3.2.2-1
> :: haskell-lens: requires haskell-semigroupoids=4.2-1
>
> I don't so much mind that this is happening, as that it blocks my entire
> rest-of-system upgrade. Is there any easy way to recursively ignore
> everything that is unsatisfiable?
>
> martin

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