#2630: installed packages should have a src-dirs field, for access to optionally
installed sources
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Reporter: claus | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: GHC API | Version: 6.9
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
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Comment (by claus):
Replying to [comment:1 simonmar]:
> Sources aren't enough for most uses - you also need the .cabal file, and
you might also need other package bits. In short, you really need the
whole Cabal sdist to make any sense of the sources.
Oh, bother. You're right, of course.
> Perhaps the right thing is to include the URL from which you can
download the package sources? cabal-install could automatically set the
field, for example.
.cabal itself already has a `package-url` field. What I was hoping for was
the actual locally available source corresponding to an installed package
- the one that a source-based tool might need to find (without going
online) if interface files are not enough. There is a slight conflict of
interests here, between wanting a pure sdist from which other variations
of the package could be recreated, and wanting a pre-configured sdist that
exactly matches the installed package. Perhaps pointing to a locally
installed sdist, and keeping the configuration in the sdist, might
suffice.
Btw, I've filed a corresponding
[http://hackage.haskell.org/trac/hackage/ticket/364 cabal ticket], as
well, since cabal and ghc-pkg probably need to coordinate on this one (one
providing the field, the other filling it).
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2630#comment:2>
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