Update stack script

.travis.yml

@@ -1,162 +1,146 @@
-sudo: false
-language: c
-cache:
-  directories:
-  - "$HOME/.ghc"
-  - "$HOME/.cabal"
-  - "$HOME/.stack"
+# See https://github.com/harendra-kumar/packcheck for all parameters and their
+# explanation.
+env:
+  global:
+  - PACKCHECK="./packcheck.sh"
+  # The commit id of packcheck.sh to use from
+  # https://github.com/harendra-kumar/packcheck.  Used only when the script
+  # does not exist in the package repo at the path specified by "PACKCHECK"
+  - PACKCHECK_COMMIT="da9d6da3d18d6250c06617817f0879324c75c224"
+  - GHC_OPTIONS="-Werror"
+  # ------------------------------------------------------------------------
+  # Builds that need stack
+  # ------------------------------------------------------------------------
+  - STACKVER="1.6.3"
+  - STACK_UPGRADE="y"
+  # ------------------------------------------------------------------------
+  # Common parameters: Normally you would not need to customize these params
+  # ------------------------------------------------------------------------
+  - CABAL_REINIT_CONFIG=y
+  - CABAL_CHECK_RELAX=y
+  - CABAL_NO_SANDBOX=y
+  - CABAL_HACKAGE_MIRROR=hackage.haskell.org:http://hackage.fpcomplete.com
+  - TEST_INSTALL=y
+  - PATH=/bin:/usr/bin
+  - LC_ALL=C.UTF-8
+
+notifications:
+  email: false
+
+# This matrix has total 11 builds enabled, 4 builds each (3 last major compiler
+# versions and head) for stack and cabal, 2 OSX builds (stack and cabal for
+# latest compiler version), and one hlint build. You may want to comment out
+# some of the builds to be lighter on the CI infrastructure.
+#
+# We pre-install the cabal-install package to not incur the penalty of building
+# it the first time in cached builds or every time in uncached builds.
 matrix:
   include:
-  - env: BUILD=cabal GHCVER=7.10.3 CABALVER=1.22 HAPPYVER=1.19.5 ALEXVER=3.1.7 RUN_TESTS=--run-tests
-    compiler: ": #GHC 7.10.3"
-    addons:
-      apt:
-        packages:
-        - cabal-install-1.22
-        - ghc-7.10.3
-        - happy-1.19.5
-        - alex-3.1.7
-        sources:
-        - hvr-ghc
-  - env: BUILD=cabal GHCVER=8.0.2 CABALVER=1.24 HAPPYVER=1.19.5 ALEXVER=3.1.7 RUN_TESTS=--run-tests
-    compiler: ": #GHC 8.0.2"
-    addons:
-      apt:
-        packages:
-        - cabal-install-1.24
-        - ghc-8.0.2
-        - happy-1.19.5
-        - alex-3.1.7
-        sources:
-        - hvr-ghc
-  - env: BUILD=cabal GHCVER=8.2.2 CABALVER=2.0 HAPPYVER=1.19.5 ALEXVER=3.1.7 RUN_TESTS=--run-tests
-    compiler: ": #GHC 8.2.2"
-    addons:
-      apt:
-        packages:
-        - cabal-install-2.0
-        - ghc-8.2.2
-        - happy-1.19.5
-        - alex-3.1.7
-        sources:
-        - hvr-ghc
-  - env: BUILD=stack ARGS="--resolver lts-10.2"
-    compiler: ": #stack 8.2.2"
-    addons:
-      apt:
-        packages:
-        - libgmp-dev
-  - env: BUILD=stack ARGS="--resolver lts-10.2"
-    compiler: ": #stack 8.2.2 osx"
-    os: osx
-  - env: BUILD=stack ARGS=""
-    compiler: ": #stack default"
-    addons:
-      apt:
-        packages:
-        - libgmp-dev
-  - env: BUILD=stack ARGS=""
-    compiler: ": #stack default osx"
+
+  # --------------------------------------------------------------------------
+  # (Linux) stack builds
+  # --------------------------------------------------------------------------
+
+  - env: BUILD=stack CABALVER=1.22 GHCVER=7.10.3 RESOLVER=lts-6
+    addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.3], sources: [hvr-ghc]}}
+
+  - env: BUILD=stack CABALVER=1.24 GHCVER=8.0.2 RESOLVER=lts-9
+    addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}
+
+  - env: BUILD=stack CABALVER=2.0 GHCVER=8.2.2 RESOLVER=lts-10
+    addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.2], sources: [hvr-ghc]}}
+
+  # Nightly
+  - env: BUILD=stack RESOLVER=nightly
+
+  # --------------------------------------------------------------------------
+  # (Linux) cabal builds require pre-installed cabal-install and ghc
+  # --------------------------------------------------------------------------
+
+  - env: BUILD=cabal CABALVER=1.22 GHCVER=7.10.3
+    addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.3], sources: [hvr-ghc]}}
+
+  - env: BUILD=cabal CABALVER=1.24 GHCVER=8.0.2
+    addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}
+
+  - env: BUILD=cabal CABALVER=2.0 GHCVER=8.2.2
+    addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.2], sources: [hvr-ghc]}}
+
+  - env: BUILD=cabal CABALVER=head GHCVER=head
+    addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}
+
+  # --------------------------------------------------------------------------
+  # OS X builds
+  # --------------------------------------------------------------------------
+
+  # GHC 8.2.2/cabal build via stack
+  - env: BUILD=cabal RESOLVER=lts-10
     os: osx
-  - env: BUILD=cabal GHCVER=head  CABALVER=head HAPPYVER=1.19.5 ALEXVER=3.1.7 RUN_TESTS=--run-tests
-    compiler: ": #GHC HEAD"
-    addons:
-      apt:
-        packages:
-        - cabal-install-head
-        - ghc-head
-        - happy-1.19.5
-        - alex-3.1.7
-        sources:
-        - hvr-ghc
-  - env: BUILD=stack ARGS="--resolver nightly"
-    compiler: ": #stack nightly"
-    addons:
-      apt:
-        packages:
-        - libgmp-dev
-  - env: BUILD=stack ARGS="--resolver nightly"
-    compiler: ": #stack nightly osx"
+
+  # GHC 8.2.2/stack
+  - env: BUILD=stack RESOLVER=lts-10
     os: osx
+
+  # --------------------------------------------------------------------------
+  # Lint
+  # --------------------------------------------------------------------------
+
+  - env: BUILD=stack RESOLVER=lts-10 HLINT_COMMANDS="hlint lint ."
+
+  # --------------------------------------------------------------------------
+  # Build and send coverage report to coveralls.io using hpc-coveralls
+  # --------------------------------------------------------------------------
+
+  # Note COVERALLS (hpc-coveralls) works only with cabal build.
+  # For this to succeed you have to add your porject to coveralls.io first
+  #- env: BUILD=cabal CABALVER=2.0 GHCVER=8.2.2 COVERALLS_OPTIONS="--coverage-mode=StrictlyFullLines --exclude-dir=test test"
+  #  addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.2], sources: [hvr-ghc]}}
+
+  # --------------------------------------------------------------------------
+  # Builds that are allowed to fail
+  # --------------------------------------------------------------------------
+
   allow_failures:
-  - env: BUILD=cabal GHCVER=head  CABALVER=head HAPPYVER=1.19.5 ALEXVER=3.1.7 RUN_TESTS=--run-tests
-  - env: BUILD=stack ARGS="--resolver nightly"
-
-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' >> $HOME/.cabal/config
-  fi
-
-install:
-- echo "$(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)
-      stack --no-terminal --install-ghc $ARGS test --bench --only-dependencies
-      ;;
-    cabal)
-      cabal --version
-      travis_retry cabal update
-
-      # Get the list of packages from the stack.yaml file
-      PACKAGES=$(stack --install-ghc query locals | grep '^ *path' | sed 's@^ *path:@@')
-
-      cabal install --only-dependencies --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES
-      ;;
-  esac
-  set +ex
+  - env: BUILD=stack RESOLVER=nightly
+  - env: BUILD=cabal CABALVER=head GHCVER=head
+  - env: BUILD=stack RESOLVER=lts-10 HLINT_COMMANDS="hlint lint ."
+
+# ------------------------------------------------------------------------
+#  Settings beyond this point are advanced and normally not tweaked
+# ------------------------------------------------------------------------
+
+language: generic
+sudo: false
+cache:
+  directories:
+  - $HOME/.cabal
+  - $HOME/.ghc
+  - $HOME/.local
+  - $HOME/.stack
+install: true
 
 script:
-- |
-  set -ex
-  case "$BUILD" in
-    stack)
-      stack --no-terminal $ARGS test --bench --no-run-benchmarks
-      ;;
-    cabal)
-      cabal install --enable-tests $RUN_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
-        PKGVER=$(cabal info . | awk '{print $2;exit}')
-        SRC_TGZ=$PKGVER.tar.gz
-        cd dist
-        tar zxfv "$SRC_TGZ"
-        cd "$PKGVER"
-        cabal configure --enable-tests
-        cabal build
-        cd $ORIGDIR
-      done
-      ;;
-  esac
-  set +ex
+  - |
+    # When GHCVER or CABALVER env variables are specified, modify the path to
+    # find the binaries installed from hvr-ghc repo
+    add_path()  { eval "test -n \"\$$1\"" && eval "PATH=/opt/$2/\"\$$1\"/bin:$PATH"; true; }
+
+    # Emit the value of the var specified as arg only when the build is cabal
+    cabal_env() { test "$BUILD" = cabal && echo $1; }
+
+    # If a custom stack-yaml is specified, replace the default with that
+    if test -e "$STACK_YAML"; then rm -f stack.yaml && ln -sv $STACK_YAML stack.yaml; else true; fi
+    unset STACK_YAML
+
+    # Get packcheck if needed
+    CURL=$(which curl)
+    PACKCHECK_URL=https://raw.githubusercontent.com/harendra-kumar/packcheck/${PACKCHECK_COMMIT}/packcheck.sh
+    if test ! -e "$PACKCHECK"; then $CURL -sL -o "$PACKCHECK" $PACKCHECK_URL; fi;
+    chmod +x $PACKCHECK
+
+    add_path GHCVER   ghc
+    add_path CABALVER cabal
+
+    # In addition to PACKCHECK envvars hpc-coveralls needs TRAVIS,
+    # TRAVIS_JOB_ID variables set by the travis CI environment.
+  - bash -c "$PACKCHECK $BUILD"