Print info about current project file in use to stderr and ignore the imports by default

cabal-install-solver/src/Distribution/Solver/Types/ProjectConfigPath.hs

@@ -16,6 +16,7 @@ module Distribution.Solver.Types.ProjectConfigPath
 
     -- * Checks and Normalization
     , isCyclicConfigPath
+    , isTopLevelConfigPath
     , canonicalizeConfigPath
     ) where
 
@@ -138,6 +139,11 @@ nullProjectConfigPath = ProjectConfigPath $ "unused" :| []
 isCyclicConfigPath :: ProjectConfigPath -> Bool
 isCyclicConfigPath (ProjectConfigPath p) = length p /= length (NE.nub p)
 
+-- | Check if the project config path is top-level, meaning it was not included by
+-- some other project config.
+isTopLevelConfigPath :: ProjectConfigPath -> Bool
+isTopLevelConfigPath (ProjectConfigPath p) = NE.length p == 1
+
 -- | Prepends the path of the importee to the importer path.
 consProjectConfigPath :: FilePath -> ProjectConfigPath -> ProjectConfigPath
 consProjectConfigPath p ps = ProjectConfigPath (p <| coerce ps)

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

@@ -37,6 +37,7 @@ module Distribution.Client.ProjectConfig
   , writeProjectLocalFreezeConfig
   , writeProjectConfigFile
   , commandLineFlagsToProjectConfig
+  , onlyTopLevelProvenance
 
     -- * Packages within projects
   , ProjectPackageLocation (..)
@@ -1753,3 +1754,9 @@ checkBadPerPackageCompilerPaths compilerPrograms packagesConfig =
        ] of
     [] -> return ()
     ps -> throwIO (BadPerPackageCompilerPaths ps)
+
+-- | Filter out non-top-level project configs.
+onlyTopLevelProvenance :: Set ProjectConfigProvenance -> Set ProjectConfigProvenance
+onlyTopLevelProvenance = Set.filter $ \case
+  Implicit -> False
+  Explicit ps -> isTopLevelConfigPath ps

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

@@ -195,6 +195,7 @@ import Distribution.Backpack.LinkedComponent
 import Distribution.Backpack.ModuleShape
 
 import Distribution.Simple.Utils
+import Distribution.Verbosity
 import Distribution.Version
 
 import qualified Distribution.InstalledPackageInfo as IPI
@@ -397,13 +398,13 @@ rebuildProjectConfig
           localPackages <- phaseReadLocalPackages (projectConfig <> cliConfig)
           return (projectConfig, localPackages)
 
-    sequence_
-      [ do
-        notice verbosity . render . vcat $
-          text "Configuration is affected by the following files:"
-            : [text "-" <+> docProjectConfigPath path]
-      | Explicit path <- Set.toList $ projectConfigProvenance projectConfig
-      ]
+    let configfiles =
+          [ text "-" <+> docProjectConfigPath path
+          | Explicit path <- Set.toList . (if verbosity >= verbose then id else onlyTopLevelProvenance) $ projectConfigProvenance projectConfig
+          ]
+    unless (null configfiles) $
+      notice (verboseStderr verbosity) . render . vcat $
+        text "Configuration is affected by the following files:" : configfiles
 
     return (projectConfig <> cliConfig, localPackages)
     where

cabal-testsuite/PackageTests/ConditionalAndImport/cabal.out

@@ -3,7 +3,6 @@ Downloading the latest package list from test-local-repo
 # cabal v2-run
 Configuration is affected by the following files:
 - cabal.project
-Configuration is affected by the following files:
 - extra.project
     imported by: cabal.project
 Resolving dependencies...
@@ -70,9 +69,7 @@ cyclical import of cyclical-2-out-out-self-b.config;
 Configuration is affected by the following files:
 - noncyclical-same-filename-a.config
     imported by: noncyclical-same-filename-a.project
-Configuration is affected by the following files:
 - noncyclical-same-filename-a.project
-Configuration is affected by the following files:
 - same-filename/noncyclical-same-filename-a.config
     imported by: noncyclical-same-filename-a.config
     imported by: noncyclical-same-filename-a.project
@@ -89,9 +86,7 @@ Configuration is affected by the following files:
 - noncyclical-same-filename-b.config
     imported by: same-filename/noncyclical-same-filename-b.config
     imported by: noncyclical-same-filename-b.project
-Configuration is affected by the following files:
 - noncyclical-same-filename-b.project
-Configuration is affected by the following files:
 - same-filename/noncyclical-same-filename-b.config
     imported by: noncyclical-same-filename-b.project
 Up to date
@@ -126,25 +121,21 @@ cyclical import of cyclical-same-filename-out-out-back.config;
 # cabal v2-build
 Configuration is affected by the following files:
 - hops-0.project
-Configuration is affected by the following files:
 - hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops-4.config
     imported by: hops/hops-3.config
     imported by: hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops-6.config
     imported by: hops/hops-5.config
     imported by: hops-4.config
     imported by: hops/hops-3.config
     imported by: hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops-8.config
     imported by: hops/hops-7.config
     imported by: hops-6.config
@@ -154,22 +145,18 @@ Configuration is affected by the following files:
     imported by: hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops/hops-3.config
     imported by: hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops/hops-5.config
     imported by: hops-4.config
     imported by: hops/hops-3.config
     imported by: hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops/hops-7.config
     imported by: hops-6.config
     imported by: hops/hops-5.config
@@ -178,7 +165,6 @@ Configuration is affected by the following files:
     imported by: hops-2.config
     imported by: hops/hops-1.config
     imported by: hops-0.project
-Configuration is affected by the following files:
 - hops/hops-9.config
     imported by: hops-8.config
     imported by: hops/hops-7.config
@@ -194,25 +180,21 @@ Up to date
 # cabal v2-build
 Configuration is affected by the following files:
 - oops-0.project
-Configuration is affected by the following files:
 - oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops-4.config
     imported by: oops/oops-3.config
     imported by: oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops-6.config
     imported by: oops/oops-5.config
     imported by: oops-4.config
     imported by: oops/oops-3.config
     imported by: oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops-8.config
     imported by: oops/oops-7.config
     imported by: oops-6.config
@@ -222,22 +204,18 @@ Configuration is affected by the following files:
     imported by: oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops/oops-3.config
     imported by: oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops/oops-5.config
     imported by: oops-4.config
     imported by: oops/oops-3.config
     imported by: oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops/oops-7.config
     imported by: oops-6.config
     imported by: oops/oops-5.config
@@ -246,7 +224,6 @@ Configuration is affected by the following files:
     imported by: oops-2.config
     imported by: oops/oops-1.config
     imported by: oops-0.project
-Configuration is affected by the following files:
 - oops/oops-9.config
     imported by: oops-8.config
     imported by: oops/oops-7.config
@@ -281,57 +258,47 @@ After searching the rest of the dependency tree exhaustively, these were the goa
 # cabal v2-build
 Configuration is affected by the following files:
 - yops-0.project
-Configuration is affected by the following files:
 - yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-8.config
     imported by: yops/yops-7.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-8.config
     imported by: yops/yops-7.config
     imported by: yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-8.config
     imported by: yops/yops-7.config
     imported by: yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops-8.config
     imported by: yops/yops-7.config
     imported by: yops-6.config
@@ -341,48 +308,38 @@ Configuration is affected by the following files:
     imported by: yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-3.config
     imported by: yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-5.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-5.config
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-5.config
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-7.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-7.config
     imported by: yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-7.config
     imported by: yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-7.config
     imported by: yops-6.config
     imported by: yops/yops-5.config
@@ -391,22 +348,18 @@ Configuration is affected by the following files:
     imported by: yops-2.config
     imported by: yops/yops-1.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-9.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-9.config
     imported by: yops-8.config
     imported by: yops/yops-7.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-9.config
     imported by: yops-8.config
     imported by: yops/yops-7.config
     imported by: yops-6.config
     imported by: yops/yops-5.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-9.config
     imported by: yops-8.config
     imported by: yops/yops-7.config
@@ -415,7 +368,6 @@ Configuration is affected by the following files:
     imported by: yops-4.config
     imported by: yops/yops-3.config
     imported by: yops-0.project
-Configuration is affected by the following files:
 - yops/yops-9.config
     imported by: yops-8.config
     imported by: yops/yops-7.config

cabal-testsuite/PackageTests/NewConfigure/LocalConfigOverwrite/cabal.out

@@ -1,12 +1,10 @@
 # cabal v2-configure
 Configuration is affected by the following files:
 - cabal.project
-Configuration is affected by the following files:
 - cabal.project.local
 'cabal.project.local' already exists, backing it up to 'cabal.project.local~'.
 # cabal v2-configure
 Configuration is affected by the following files:
 - foo.project
-Configuration is affected by the following files:
 - foo.project.local
 'foo.project.local' already exists, backing it up to 'foo.project.local~'.

cabal-testsuite/PackageTests/NewFreeze/BuildTools/new_freeze.out

@@ -18,7 +18,6 @@ Wrote freeze file: <ROOT>/cabal.project.freeze
 # cabal v2-build
 Configuration is affected by the following files:
 - cabal.project
-Configuration is affected by the following files:
 - cabal.project.freeze
 Resolving dependencies...
 Build profile: -w ghc-<GHCVER> -O1

cabal-testsuite/PackageTests/NewFreeze/Flags/new_freeze.out

@@ -17,7 +17,6 @@ Wrote freeze file: <ROOT>/cabal.project.freeze
 # cabal v2-build
 Configuration is affected by the following files:
 - cabal.project
-Configuration is affected by the following files:
 - cabal.project.freeze
 Resolving dependencies...
 Build profile: -w ghc-<GHCVER> -O1

cabal-testsuite/PackageTests/NewFreeze/FreezeFile/new_freeze.out

@@ -24,7 +24,6 @@ Wrote freeze file: <ROOT>/cabal.project.freeze
 # cabal v2-build
 Configuration is affected by the following files:
 - cabal.project
-Configuration is affected by the following files:
 - cabal.project.freeze
 Resolving dependencies...
 Build profile: -w ghc-<GHCVER> -O1
@@ -41,7 +40,6 @@ Building executable 'my-exe' for my-local-package-1.0...
 # cabal v2-freeze
 Configuration is affected by the following files:
 - cabal.project
-Configuration is affected by the following files:
 - cabal.project.freeze
 Wrote freeze file: <ROOT>/cabal.project.freeze
 # cabal v2-build