fix pkgsToBuildInPlaceOnly

Author: andreabedini

cabal-install/src/Distribution/Client/ProjectPlanning.hs

@@ -2463,16 +2463,18 @@ elaborateInstallPlan
       shouldBuildInplaceOnly :: SolverPackage loc -> Bool
       shouldBuildInplaceOnly pkg =
         Set.member
-          (packageId pkg)
+          (solverId (ResolverPackage.Configured pkg))
           pkgsToBuildInplaceOnly
 
-      pkgsToBuildInplaceOnly :: Set PackageId
+
+      -- The reverse dependencies of solver packages which match a package id in pkgLocalToProject.
+      pkgsToBuildInplaceOnly :: Set SolverId
       pkgsToBuildInplaceOnly =
-        Set.fromList [
-          packageId pkg
-        | stage <- stages
-        , let solverIds = [PlannedId stage pkgId | pkgId <- Set.toList pkgsLocalToProject]
-        , pkg <- SolverInstallPlan.reverseDependencyClosure solverPlan solverIds
+        Set.fromList
+        [ solverId pkg
+        | spkg <- SolverInstallPlan.toList solverPlan
+        , packageId spkg `elem` pkgsLocalToProject
+        , pkg <- SolverInstallPlan.reverseDependencyClosure solverPlan [solverId spkg]
         ]
 
       isLocalToProject :: Package pkg => pkg -> Bool