From c2d116272b448342629e6beb73fe7a464e2245d3 Mon Sep 17 00:00:00 2001
From: Daniel Gröber <dxld@darkboxed.org>
Date: Sun, 14 Feb 2016 13:20:53 +0100
Subject: Cabal 1.24 readiness (GHC 8)

---
 CabalHelper/Licenses.hs | 14 +++++++++-----
 CabalHelper/Main.hs     | 15 ++++++++-------
 cabal-helper.cabal      |  6 +++---
 3 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/CabalHelper/Licenses.hs b/CabalHelper/Licenses.hs
index eeebae7..4660c15 100644
--- a/CabalHelper/Licenses.hs
+++ b/CabalHelper/Licenses.hs
@@ -33,11 +33,15 @@ type CPackageIndex a = PackageIndex (InstalledPackageInfo_ a)
 type CPackageIndex a = PackageIndex
 #endif
 
-#if CABAL_MAJOR == 1 && CABAL_MINOR > 22
+#if CABAL_MAJOR == 1 && CABAL_MINOR >= 23
+type CInstalledPackageId = UnitId
+lookupInstalledPackageId' = lookupUnitId
+#elif CABAL_MAJOR == 1 && CABAL_MINOR > 22
 type CInstalledPackageId = ComponentId
-lookupInstalledPackageId = lookupComponentId
+lookupInstalledPackageId' = lookupComponentId
 #else
 type CInstalledPackageId = InstalledPackageId
+lookupInstalledPackageId' = lookupInstalledPackageId
 #endif
 
 findTransitiveDependencies
@@ -50,7 +54,7 @@ findTransitiveDependencies pkgIdx set0 = go Set.empty (Set.toList set0)
     go set (q : queue)
         | q `Set.member` set = go set queue
         | otherwise          =
-            case lookupInstalledPackageId pkgIdx q of
+            case lookupInstalledPackageId' pkgIdx q of
                 Nothing  ->
                     -- Not found can mean that the package still needs to be
                     -- installed (e.g. a component of the target cabal package).
@@ -62,7 +66,7 @@ findTransitiveDependencies pkgIdx set0 = go Set.empty (Set.toList set0)
 
 --------------------------------------------------------------------------------
 getDependencyInstalledPackageIds
-    :: LocalBuildInfo -> Set InstalledPackageId
+    :: LocalBuildInfo -> Set CInstalledPackageId
 getDependencyInstalledPackageIds lbi =
     findTransitiveDependencies (installedPkgs lbi) $
       Set.fromList $ map fst $ externalPackageDeps lbi
@@ -71,7 +75,7 @@ getDependencyInstalledPackageIds lbi =
 getDependencyInstalledPackageInfos
     :: LocalBuildInfo -> [InstalledPackageInfo]
 getDependencyInstalledPackageInfos lbi = catMaybes $
-    map (lookupInstalledPackageId pkgIdx) $
+    map (lookupInstalledPackageId' pkgIdx) $
     Set.toList (getDependencyInstalledPackageIds lbi)
   where
     pkgIdx = installedPkgs lbi
diff --git a/CabalHelper/Main.hs b/CabalHelper/Main.hs
index 2244859..2170d30 100644
--- a/CabalHelper/Main.hs
+++ b/CabalHelper/Main.hs
@@ -48,10 +48,10 @@ import Distribution.Simple.LocalBuildInfo (LocalBuildInfo(..),
                                            externalPackageDeps,
                                            withComponentsLBI,
                                            withLibLBI)
-#if CABAL_MAJOR == 1 && CABAL_MINOR <= 22
+#if CABAL_MAJOR == 1 && CABAL_MINOR >= 23
+import Distribution.Simple.LocalBuildInfo (localUnitId)
+#elif CABAL_MAJOR == 1 && CABAL_MINOR <= 22
 import Distribution.Simple.LocalBuildInfo (inplacePackageId)
-#else
-import Distribution.Simple.LocalBuildInfo (localComponentId)
 #endif
 
 import Distribution.Simple.GHC (componentGhcOptions)
@@ -413,7 +413,7 @@ removeInplaceDeps v lbi pd clbi = let
     liboutdir = componentOutDir lbi (CLib lib)
     libopts = (componentGhcOptions normal lbi libbi libclbi liboutdir) {
                                       ghcOptPackageDBs = []
-#if CABAL_MAJOR == 1 && CABAL_MINOR > 22
+#if CABAL_MAJOR == 1 && CABAL_MINOR > 22 && CABAL_MINOR < 23
                                     , ghcOptComponentId = NoFlag
 #endif
                                   }
@@ -426,10 +426,11 @@ removeInplaceDeps v lbi pd clbi = let
 
  where
    isInplaceDep :: (InstalledPackageId, PackageId) -> Bool
-#if CABAL_MAJOR == 1 && CABAL_MINOR <= 22
+#if CABAL_MAJOR == 1 && CABAL_MINOR >= 23
+   isInplaceDep (ipid, pid) = localUnitId lbi == ipid
+#elif CABAL_MAJOR == 1 && CABAL_MINOR <= 22
    isInplaceDep (ipid, pid) = inplacePackageId pid == ipid
-#else
-   isInplaceDep (ipid, pid) = localComponentId lbi == ipid
+
 #endif
 
 
diff --git a/cabal-helper.cabal b/cabal-helper.cabal
index 1a11add..032405a 100644
--- a/cabal-helper.cabal
+++ b/cabal-helper.cabal
@@ -49,7 +49,7 @@ library
   default-language:    Haskell2010
   GHC-Options:         -Wall
   Build-Depends:       base >= 4.5 && < 5
-                     , Cabal >= 1.14 && < 1.23
+                     , Cabal >= 1.14 && < 1.24
                      , directory
                      , filepath
                      , transformers
@@ -73,7 +73,7 @@ Executable cabal-helper-wrapper
   X-Install-Target:    $libexecdir
   Build-Depends:       base >= 4.5 && < 5
                      , bytestring
-                     , Cabal >= 1.14 && < 1.23
+                     , Cabal >= 1.14 && < 1.24
                      , directory
                      , filepath
                      , process
@@ -102,7 +102,7 @@ Test-Suite spec
                      , cabal-helper
                      , extra
                      , unix
-                     , Cabal >= 1.14 && < 1.23
+                     , Cabal >= 1.14 && < 1.24
                      , directory
                      , filepath
                      , transformers
-- 
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