use .hlint.ignore file to ignore hlint

On the rest of the files CI build would fail if hlint fails

.hlint.ignore

@@ -0,0 +1,40 @@
+src/Streamly/Internal/BaseCompat.hs
+src/Streamly/Internal/Control/Monad.hs
+src/Streamly/Internal/Data/SVar.hs
+src/Streamly/Internal/Data/Stream/SVar.hs
+src/Streamly/Internal/Data/Stream/Serial.hs
+src/Streamly/Internal/Data/Stream/Zip.hs
+src/Streamly/Internal/Data/Stream/Parallel.hs
+src/Streamly/Internal/Data/Stream/Async.hs
+src/Streamly/Internal/Data/Stream/Enumeration.hs
+src/Streamly/Internal/Data/Stream/StreamDK.hs
+src/Streamly/Internal/Data/Stream/StreamK.hs
+src/Streamly/Internal/Data/Stream/StreamK/Type.hs
+src/Streamly/Internal/Data/Stream/Ahead.hs
+src/Streamly/Internal/Data/Stream/StreamD/Type.hs
+src/Streamly/Internal/Data/Stream/StreamDK/Type.hs
+src/Streamly/Internal/Data/Stream/StreamD.hs
+src/Streamly/Internal/Data/SmallArray.hs
+src/Streamly/Internal/Data/Pipe/Types.hs
+src/Streamly/Internal/Data/Pipe.hs
+src/Streamly/Internal/Data/Array.hs
+src/Streamly/Internal/Data/Sink/Types.hs
+src/Streamly/Internal/Data/Sink.hs
+src/Streamly/Internal/Data/Zipper/Array.hs
+src/Streamly/Internal/Data/Parser/ParserD/Types.hs
+src/Streamly/Internal/Data/Parser/ParserD.hs
+src/Streamly/Internal/Data/Time/Units.hs
+src/Streamly/Internal/Data/Prim/Array.hs
+src/Streamly/Internal/Data/Prim/Array/Types.hs
+src/Streamly/Internal/Data/Fold/Types.hs
+src/Streamly/Internal/Data/Fold.hs
+src/Streamly/Internal/Data/SmallArray/Types.hs
+src/Streamly/Internal/Data/Unfold.hs
+src/Streamly/Internal/Data/Unicode/Stream.hs
+src/Streamly/Internal/Memory/Array/Types.hs
+src/Streamly/Internal/Prelude.hs
+src/Streamly/Internal/Mutable/Prim/Var.hs
+src/Streamly/Internal/Network/Socket.hs
+src/Streamly/Internal/Data/Stream/Prelude.hs
+src/Streamly/FileSystem/FDIO.hs
+src/Streamly/Data/Unfold.hs

.travis.yml

@@ -62,7 +62,7 @@ env:
   # If you have not committed packcheck.sh in your repo at PACKCHECK_LOCAL_PATH
   # then it is automatically pulled from this URL.
   - PACKCHECK_GITHUB_URL="https://raw.githubusercontent.com/harendra-kumar/packcheck"
-  - PACKCHECK_GITHUB_COMMIT="b8d39c9cf336e4627e12eb4b1f5827bb7b6afc91"
+  - PACKCHECK_GITHUB_COMMIT="b92970febc2d66e0ed0202254c97c13392461821"
 
 notifications:
   email:
@@ -193,7 +193,8 @@ matrix:
   # Lint e.g. HLINT_COMMANDS="hlint lint src; hlint lint test"
   # --------------------------------------------------------------------------
 
-  - env: BUILD=stack RESOLVER=lts-14.25 HLINT_COMMANDS="hlint lint ."
+  - env: BUILD=cabal-v2 HLINT_OPTIONS="lint" HLINT_TARGETS="src"
+  - env: BUILD=cabal-v2 HLINT_OPTIONS="lint" HLINT_TARGETS="test benchmarks"
 
   # --------------------------------------------------------------------------
   # Build and send coverage report to coveralls.io using hpc-coveralls.  Add
@@ -216,7 +217,7 @@ matrix:
   allow_failures:
   - env: BUILD=cabal-v2 GHCVER=head GHC_OPTIONS=""
   - env: BUILD=stack RESOLVER=nightly DISABLE_SDIST_BUILD=y DISABLE_DIST_CHECKS=y
-  - env: BUILD=stack RESOLVER=lts-14.25 HLINT_COMMANDS="hlint lint ."
+  - env: BUILD=cabal-v2 HLINT_OPTIONS="lint" HLINT_TARGETS="test benchmarks"
 
 # ------------------------------------------------------------------------
 #  Settings beyond this point are advanced and normally not tweaked