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Get rid of world files #3749

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ezyang opened this issue Sep 1, 2016 · 4 comments
Closed

Get rid of world files #3749

ezyang opened this issue Sep 1, 2016 · 4 comments
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cabal-install: other type: refactor
Milestone
2.0

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@ezyang
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ezyang commented Sep 1, 2016

They were added in 9efcc5b

They are undocumented.

There are no tests.

Nix-local build will probably simulate worlds using a different mechanism.

Let's get rid of it.

CC @dcoutts
@23Skidoo
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23Skidoo commented Sep 1, 2016

I never use this feature, but the basic idea is that it lets you upgrade to a new GHC version and then run cabal install world to reinstall all packages that you previously installed manually. So the question is what is the proposed new mechanism that nix-local-build will use to achieve the same goal.

@ezyang
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ezyang commented Sep 1, 2016

Well, assuming you have some list of extra-packages as your world, if you just change the compiler it will autorebuild everything. See #3737

@dcoutts
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dcoutts commented Sep 1, 2016

Yes I think we can abandon the world stuff in new-build at least, and replace it with some other mechanism to conveniently manage the global environment. I wouldn't bother to get rid of it from the legacy code though.

ezyang added a commit to ezyang/cabal that referenced this issue Sep 6, 2016
@ezyang
Remove deprecated/obsolete projectConfigWorldFile, fixes haskell#3749.
37f3b9a 
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
@ezyang ezyang added this to the 2.0 milestone Sep 6, 2016
@ezyang
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ezyang commented Sep 6, 2016

Issue subsumed by PR #3749.

@ezyang ezyang closed this as completed Sep 6, 2016
ezyang added a commit to ezyang/cabal that referenced this issue Sep 6, 2016
@ezyang
Remove deprecated/obsolete projectConfigWorldFile, fixes haskell#3749.
6852992 
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
ezyang added a commit to ezyang/cabal that referenced this issue Sep 7, 2016
@ezyang
Remove deprecated/obsolete projectConfigWorldFile, fixes haskell#3749.
dec83c2 
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
23Skidoo added a commit that referenced this issue Sep 7, 2016
@23Skidoo
Merge pull request #3797 from ezyang/pr/remove-world
dc2b020 
Remove deprecated/obsolete projectConfigWorldFile, fixes #3749.
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@ezyang @23Skidoo @dcoutts