249/272: gnu: ghc-haddock-api: Update to 2.19.0.1.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit f548cd7254b696249a185972a55ff18dd0616b34
Author: Timothy Sample <address@hidden>
Date:   Wed Aug 29 00:25:11 2018 -0400

    gnu: ghc-haddock-api: Update to 2.19.0.1.
    
    * gnu/packages/haskell.scm (ghc-haddock-api): Update to 2.19.0.1.
    [arguments]: Add a phase that patches the Cabal file to allow newer
    versions of Cabal and hspec.
---
 gnu/packages/haskell.scm | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 0e061a6..bcdb6fb 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -989,8 +989,7 @@ the ‘haddock’ package.")
 (define-public ghc-haddock-api
   (package
     (name "ghc-haddock-api")
-    ;; This is the last version to be supported by Cabal < 2.0
-    (version "2.17.4")
+    (version "2.19.0.1")
     (source
      (origin
        (method url-fetch)
@@ -1000,8 +999,18 @@ the ‘haddock’ package.")
              ".tar.gz"))
        (sha256
         (base32
-         "00fn6pzgg8xjbaw12d76jdqh2dbc5xy7miyz0x6kidvvar7i35ss"))))
+         "0c6i7sljp7myz25d90gyw68a90i5jcrkajkxcciikp2hjirfaas3"))))
     (build-system haskell-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'update-constraints
+           (lambda _
+             (substitute* "haddock-api.cabal"
+               (("Cabal           \\^>= 2\\.0\\.0")
+                "Cabal           ^>= 2.2.0")
+               (("hspec           \\^>= 2\\.4\\.4")
+                "hspec            >= 2.4.4 && < 2.6")))))))
     (inputs
      `(("ghc-paths" ,ghc-paths)
        ("ghc-haddock-library" ,ghc-haddock-library)))