Simplified Travis config

.travis.yml

@@ -1,3 +1,10 @@
+# This is the simple Travis configuration, which is intended for use
+# on applications which do not require cross-platform and
+# multiple-GHC-version support. For more information and other
+# options, see:
+#
+# https://docs.haskellstack.org/en/stable/travis_ci/
+#
 # Copy these contents into the root directory of your Github project in a file
 # named .travis.yml
 
@@ -10,100 +17,24 @@ language: c
 # Caching so the next build will be fast too.
 cache:
   directories:
-  - $HOME/.ghc
-  - $HOME/.cabal
   - $HOME/.stack
 
-# The different configurations we want to test. We have BUILD=cabal which uses
-# cabal-install, and BUILD=stack which uses Stack. More documentation on each
-# of those below.
-#
-# We set the compiler values here to tell Travis to use a different
-# cache file per set of arguments.
-#
-# If you need to have different apt packages for each combination in the
-# matrix, you can use a line such as:
-#     addons: {apt: {packages: [libfcgi-dev,libgmp-dev]}}
-matrix:
-  include:
-  # The Stack builds. We can pass in arbitrary Stack arguments via the ARGS
-  # variable, such as using --stack-yaml to point to a different file.
-  - env: BUILD=stack ARGS=""
-    compiler: ": #stack default"
-    addons: {apt: {packages: [ghc-7.10.3], sources: [hvr-ghc]}}
+# Ensure necessary system libraries are present
+addons:
+  apt:
+    packages:
+      - libgmp-dev
 
 before_install:
-# Using compiler above sets CC to an invalid value, so unset it
-- unset CC
-
-# We want to always allow newer versions of packages when building on GHC HEAD
-- CABALARGS=""
-- if [ "x$GHCVER" = "xhead" ]; then CABALARGS=--allow-newer; fi
-
 # Download and unpack the stack executable
-- export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$HOME/.local/bin:/opt/alex/$ALEXVER/bin:/opt/happy/$HAPPYVER/bin:$HOME/.cabal/bin:$PATH
 - mkdir -p ~/.local/bin
-- |
-  if [ `uname` = "Darwin" ]
-  then
-    travis_retry curl --insecure -L https://www.stackage.org/stack/osx-x86_64 | tar xz --strip-components=1 --include '*/stack' -C ~/.local/bin
-  else
-    travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
-  fi
-
-  # Use the more reliable S3 mirror of Hackage
-  mkdir -p $HOME/.cabal
-  echo 'remote-repo: hackage.haskell.org:http://hackage.fpcomplete.com/' > $HOME/.cabal/config
-  echo 'remote-repo-cache: $HOME/.cabal/packages' >> $HOME/.cabal/config
-
-  if [ "$CABALVER" != "1.16" ]
-  then
-    echo 'jobs: $ncpus' >> $HOME/.cabal/config
-  fi
-
-# Get the list of packages from the stack.yaml file
-- PACKAGES=$(stack --install-ghc query locals | grep '^ *path' | sed 's@^ *path:@@')
+- export PATH=$HOME/.local/bin:$PATH
+- travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
 
 install:
-- echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
-- if [ -f configure.ac ]; then autoreconf -i; fi
-- |
-  set -ex
-  case "$BUILD" in
-    stack)
-      # Avoid an out-of-memory condition
-      stack --no-terminal --install-ghc $ARGS build haskell-src-exts
-
-      stack --no-terminal --install-ghc $ARGS test --bench --only-dependencies
-      ;;
-    cabal)
-      cabal --version
-      travis_retry cabal update
-      cabal install --only-dependencies --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES
-      ;;
-  esac
-  set +ex
+# Build dependencies
+- stack --no-terminal --install-ghc test --only-dependencies
 
 script:
-- |
-  set -ex
-  case "$BUILD" in
-    stack)
-      stack --no-terminal $ARGS test --bench --no-run-benchmarks --haddock --no-haddock-deps
-      ;;
-    cabal)
-      cabal install --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES
-
-      ORIGDIR=$(pwd)
-      for dir in $PACKAGES
-      do
-        cd $dir
-        cabal check || [ "$CABALVER" == "1.16" ]
-        cabal sdist
-        SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz && \
-          (cd dist && cabal install --force-reinstalls "$SRC_TGZ")
-        cd $ORIGDIR
-      done
-      ;;
-  esac
-  set +ex
+# Build the package, its tests, and its docs and run the tests
+- stack --no-terminal test --haddock --no-haddock-deps