#900: Regression in latest Cabal-1.13.3 snapshot ----------------------------+----------------------------------------------- Reporter: guest | Owner: Type: defect | Status: new Priority: normal | Milestone: Component: Cabal library | Version: 1.8.0.6 Severity: major | Keywords: Difficulty: unknown | Ghcversion: Platform: | ----------------------------+----------------------------------------------- The following cabal file below triggers an assertion fail on the second install: {{{ $ cabal --version cabal-install version 0.13.3 using version 1.13.3 of the Cabal library $ cabal install Resolving dependencies... Configuring foobar-0.2.0... Building foobar-0.2.0... Preprocessing library foobar-0.2.0... [1 of 1] Compiling FooBar ( FooBar.hs, dist/build/FooBar.o ) [1 of 1] Compiling FooBar ( FooBar.hs, dist/build/FooBar.p_o ) Registering foobar-0.2.0... Installing library in /home/hvr/.cabal/lib/foobar-0.2.0/ghc-7.2.2 Registering foobar-0.2.0... $ cabal install Resolving dependencies... Configuring foobar-0.2.0... cabal: Distribution/Simple/PackageIndex.hs:123:8-13: Assertion failed }}} Only when I unregister the installed package via `ghc-pkg unregister foobar` I can configure the package again... The cabal file causing this behaviour: {{{ name: foobar version: 0.2.0-git20111120 synopsis: none license: BSD3 license-file: LICENSE author: foo maintainer: foo@bar build-type: Simple cabal-version: >=1.10 library default-language: Haskell2010 exposed-modules: FooBar build-depends: base }}} The `FooBar` module is just a dummy empty module. This used to work previously, e.g. with {{{ $ cabal-0.11.2 --version cabal-install version 0.11.2 using version 1.12.0 of the Cabal library }}} -- Ticket URL: http://hackage.haskell.org/trac/hackage/ticket/900 Hackage http://haskell.org/cabal/ Hackage: Cabal and related projects