ghc-pkg should not report duplicate depends
$ ghc-pkg field regex-base-0.72.0.1 depends
depends: base-3.0.1.0 array-0.1.0.0 base-3.0.1.0 bytestring-0.9.0.1Note the base-3.0.1.0 base-3.0.1.0. This is clearly silly. It causes problems for Cabal. Although we can easily work around this using nub it'd be better if duplicate depends were never reported or better yet rejected or eliminated at package registration time.
(I'm not sure how it ended up this way, I don't think Cabal makes package registration files with duplicate depends)
Trac metadata
| Trac field | Value |
|---|---|
| Version | 6.8.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | Unknown |
| Architecture | Unknown |