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Commit fe98fb31 authored by Matthew Pickering's avatar Matthew Pickering
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Add note about deleting head.hackage index

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...@@ -85,3 +85,9 @@ There are `hspec` tests, that can be run with `cabal`: ...@@ -85,3 +85,9 @@ There are `hspec` tests, that can be run with `cabal`:
``` ```
cabal new-build all && cabal new-test all cabal new-build all && cabal new-test all
``` ```
### Unexpected Build Failures
If you encounter dependencies failing to build but there's a patch for
the library in head.hackage then you may need to delete `~/.cabal/packages/head.hackage.org`
so that the fresh patch is visible. This is probably a bug in cabal!
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