Add dev target to stack install.hs

install/src/Cabal.hs

@@ -36,7 +36,7 @@ execCabal :: CmdResult r => [String] -> Action r
 execCabal = command [] "cabal"
 
 execCabal_ :: [String] -> Action ()
-execCabal_ = command [] "cabal"
+execCabal_ = execCabal
 
 cabalBuildData :: Action ()
 cabalBuildData = do

install/src/Help.hs

@@ -78,7 +78,7 @@ helpMessage versions@BuildableVersions {..} = do
     [emptyTarget]
     [ generalTargets
     , defaultTargets
-    , if isRunFromCabal then [cabalGhcsTarget] else []
+    , if isRunFromCabal then [cabalGhcsTarget] else [stackDevTarget]
     , [macosIcuTarget]
     ]
 
@@ -97,13 +97,13 @@ templateTarget = ("<target>", "")
 
 hieTarget :: String -> TargetDescription
 hieTarget version =
-  ("hie-" ++ version, "Builds hie for GHC version " ++ version)
+  ("hie-" ++ version, "Install hie for GHC version " ++ version)
 
 buildTarget :: TargetDescription
-buildTarget = ("hie", "Build hie with the latest available GHC and the data files")
+buildTarget = ("hie", "Install hie with the latest available GHC and the data files")
 
 buildLatestTarget :: TargetDescription
-buildLatestTarget = ("latest", "Build hie with the latest available GHC")
+buildLatestTarget = ("latest", "Install hie with the latest available GHC")
 
 buildDataTarget :: TargetDescription
 buildDataTarget =
@@ -122,3 +122,6 @@ cabalGhcsTarget =
   ( "ghcs"
   , "Show all GHC versions that can be installed via `cabal-build`."
   )
+
+stackDevTarget :: TargetDescription
+stackDevTarget = ("dev", "Install hie with the default stack.yaml")

install/src/HieInstall.hs

@@ -78,16 +78,20 @@ defaultMain = do
       (\version -> phony ("hie-" ++ version) $ do
         need ["submodules"]
         need ["check"]
-        if isRunFromStack then do 
-          stackBuildHie version
-          stackInstallHie version
+        if isRunFromStack then do
+          stackInstallHieWithErrMsg (Just version)
         else
           cabalInstallHie version
       )
 
     phony "latest" (need ["hie-" ++ latestVersion])
     phony "hie"  (need ["data", "latest"])
 
+    -- stack specific targets
+    when isRunFromStack $ do
+
+      phony "dev" $ stackInstallHieWithErrMsg Nothing
+
     -- cabal specific targets
     when isRunFromCabal $ do
 

install/src/Stack.hs

@@ -15,14 +15,23 @@ import           Version
 import           Print
 import           Env
 
-stackBuildHie :: VersionNumber -> Action ()
-stackBuildHie versionNumber = execStackWithGhc_ versionNumber ["build"]
-  `actionOnException` liftIO (putStrLn stackBuildFailMsg)
+stackInstallHieWithErrMsg :: Maybe VersionNumber -> Action ()
+stackInstallHieWithErrMsg mbVersionNumber = 
+  stackInstallHie mbVersionNumber
+    `actionOnException` liftIO (putStrLn stackBuildFailMsg)
 
 -- | copy the built binaries into the localBinDir
-stackInstallHie :: VersionNumber -> Action ()
-stackInstallHie versionNumber = do
-  execStackWithGhc_ versionNumber ["install"]
+stackInstallHie :: Maybe VersionNumber -> Action ()
+stackInstallHie mbVersionNumber = do
+  versionNumber <- 
+    case mbVersionNumber of
+      Nothing -> do
+        execStackWithCfgFile_ "stack.yaml" ["install"]
+        getGhcVersionOfCfgFile "stack.yaml"
+      Just vn -> do
+        execStackWithGhc_ vn ["install"]                      
+        return vn
+
   localBinDir <- getLocalBin
   let hie = "hie" <.> exe
   liftIO $ do
@@ -31,6 +40,12 @@ stackInstallHie versionNumber = do
     copyFile (localBinDir </> hie)
              (localBinDir </> "hie-" ++ dropExtension versionNumber <.> exe)
 
+getGhcVersionOfCfgFile :: String -> Action VersionNumber
+getGhcVersionOfCfgFile stackFile = do
+  Stdout ghcVersion <- 
+    execStackWithCfgFile stackFile ["exec", "ghc", "--", "--numeric-version"]
+  return $ trim ghcVersion
+
 -- | check `stack` has the required version
 checkStack :: Action ()
 checkStack = do
@@ -53,14 +68,21 @@ stackBuildData = do
 
 -- | Execute a stack command for a specified ghc, discarding the output
 execStackWithGhc_ :: VersionNumber -> [String] -> Action ()
-execStackWithGhc_ versionNumber args = do
-  let stackFile = "stack-" ++ versionNumber ++ ".yaml"
-  command_ [] "stack" (("--stack-yaml=" ++ stackFile) : args)
+execStackWithGhc_ = execStackWithGhc
 
 -- | Execute a stack command for a specified ghc
 execStackWithGhc :: CmdResult r => VersionNumber -> [String] -> Action r
 execStackWithGhc versionNumber args = do
   let stackFile = "stack-" ++ versionNumber ++ ".yaml"
+  execStackWithCfgFile stackFile args
+
+-- | Execute a stack command for a specified stack.yaml file, discarding the output
+execStackWithCfgFile_ :: String -> [String] -> Action ()
+execStackWithCfgFile_ = execStackWithCfgFile
+
+-- | Execute a stack command for a specified stack.yaml file
+execStackWithCfgFile :: CmdResult r => String -> [String] -> Action r
+execStackWithCfgFile stackFile args = 
   command [] "stack" (("--stack-yaml=" ++ stackFile) : args)
 
 -- | Execute a stack command with the same resolver as the build script
@@ -69,7 +91,7 @@ execStackShake args = command [] "stack" ("--stack-yaml=install/shake.yaml" : ar
 
 -- | Execute a stack command with the same resolver as the build script, discarding the output
 execStackShake_ :: [String] -> Action ()
-execStackShake_ args = command_ [] "stack" ("--stack-yaml=install/shake.yaml" : args)
+execStackShake_ = execStackShake
 
 
 -- | Error message when the `stack` binary is an older version