Review project stack descriptors according to haskell#2533 (haskell#2874)

* Review project stack descriptors according to haskell#2533

* adjust shake-bench cabal descriptor to work with gen-hie

* Fix shake-bench to build with aeson 2.x

* track also LTS 16

Author: pepeiborra

.circleci/config.yml

@@ -75,45 +75,24 @@ defaults: &defaults
 
 version: 2
 jobs:
-  ghc-8.6.5:
+  stackage-lts16:
     environment:
-      - STACK_FILE: "stack-8.6.5.yaml"
-    <<: *defaults
-
-  ghc-8.8.4:
-    environment:
-      - STACK_FILE: "stack-8.8.4.yaml"
-    <<: *defaults
-
-  ghc-8.10.6:
-    environment:
-      - STACK_FILE: "stack-8.10.6.yaml"
-    <<: *defaults
-
-  ghc-8.10.7:
-    environment:
-      - STACK_FILE: "stack-8.10.7.yaml"
-    <<: *defaults
-
-  ghc-9.0.1:
-    environment:
-      - STACK_FILE: "stack-9.0.1.yaml"
-    <<: *defaults
-
-  ghc-9.0.2:
-    environment:
-      - STACK_FILE: "stack-9.0.2.yaml"
+      # https://github.com/digital-asset/ghc-lib/issues/352
+      - CPATH: "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/ffi:$CPATH"
+      - STACK_FILE: "stack-lts16.yaml"
     <<: *defaults
 
-  ghc-9.2.2:
+  stackage-lts19:
     environment:
       # https://github.com/digital-asset/ghc-lib/issues/352
       - CPATH: "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/ffi:$CPATH"
-      - STACK_FILE: "stack-9.2.yaml"
+      - STACK_FILE: "stack-lts19.yaml"
     <<: *defaults
 
-  ghc-default:
+  stackage-nightly:
     environment:
+      # https://github.com/digital-asset/ghc-lib/issues/352
+      - CPATH: "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/ffi:$CPATH"
       - STACK_FILE: "stack.yaml"
     <<: *defaults
 
@@ -122,11 +101,6 @@ workflows:
   version: 2
   multiple-ghcs:
     jobs:
-      - ghc-8.6.5
-      - ghc-8.8.4
-      - ghc-8.10.6
-      - ghc-8.10.7
-      - ghc-9.0.1
-      - ghc-9.0.2
-      - ghc-9.2.2
-      - ghc-default
+      - stackage-lts16
+      - stackage-lts19
+      - stackage-nightly

shake-bench/shake-bench.cabal

@@ -8,9 +8,8 @@ author:        Pepe Iborra
 maintainer:    [email protected]
 category:      Development
 build-type:    Simple
-description:
-  A library Shake rules to build and run benchmarks for multiple revisions of a project.
-  An example of usage can be found in the ghcide benchmark suite
+-- description is a single line so that implicit-hie can parse it
+description:   A library Shake rules to build and run benchmarks for multiple revisions of a project.  An example of usage can be found in the ghcide benchmark suite
 
 library
   exposed-modules:  Development.Benchmark.Rules

shake-bench/src/Development/Benchmark/Rules.hs

@@ -67,14 +67,14 @@ module Development.Benchmark.Rules
   ) where
 
 import           Control.Applicative
-import           Control.Lens                              ((^.))
+import           Control.Lens                              ((^.), view, preview)
 import           Control.Monad
 import qualified Control.Monad.State                       as S
 import           Data.Aeson                                (FromJSON (..),
                                                             ToJSON (..),
                                                             Value (..), object,
                                                             (.!=), (.:?), (.=))
-import           Data.Aeson.Lens                           (_Object)
+import           Data.Aeson.Lens                           (_Object, AsJSON (_JSON), _String)
 import           Data.Char                                 (isDigit)
 import           Data.List                                 (find, isInfixOf,
                                                             stripPrefix,
@@ -504,8 +504,10 @@ instance FromJSON GitCommit where
   parseJSON o@(Object _) = do
     let keymap = o ^. _Object
     case toList keymap of
-      [(name, String gitName)] -> pure $ GitCommit gitName (Just name) Nothing True
-      [(name, Object props)] ->
+      -- excuse the aeson 2.0 compatibility hack
+      [(preview _String . toJSON -> Just name, String gitName)] ->
+        pure $ GitCommit gitName (Just name) Nothing True
+      [(preview _String . toJSON -> Just name, Object props)] ->
         GitCommit
           <$> props .:? "git"  .!= name
           <*> pure (Just name)