From b8006d61649338ee7285b2cd65860c5ff4d2c166 Mon Sep 17 00:00:00 2001
From: Ollie Charles <ollie@ocharles.org.uk>
Date: Thu, 16 Mar 2017 14:26:26 +0000
Subject: [PATCH] Stack-based Travis config

---
 .travis.yml | 84 ++++++++++++-----------------------------------------
 stack.yaml  | 12 ++++++++
 2 files changed, 31 insertions(+), 65 deletions(-)
 create mode 100644 stack.yaml

diff --git a/.travis.yml b/.travis.yml
index 812e691..a3b0690 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,76 +1,30 @@
-# This file has been generated -- see https://github.com/hvr/multi-ghc-travis
-language: c
 sudo: false
 
+# Do not choose a language; we provide our own build tools.
+language: generic
+
+# Caching so the next build will be fast too.
 cache:
   directories:
-    - $HOME/.cabsnap
-    - $HOME/.cabal/packages
+  - $HOME/.stack
 
-before_cache:
-  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
-  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar
-
-matrix:
-  include:
-    - env: CABALVER=1.24 GHCVER=8.0.2
-      compiler: ": #GHC 8.0.2"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}
+# Ensure necessary system libraries are present
+addons:
+  apt:
+    packages:
+      - libgmp-dev
 
 before_install:
- - unset CC
- - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
+# Download and unpack the stack executable
+- mkdir -p ~/.local/bin
+- export PATH=$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:
- - cabal --version
- - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
- - if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];
-   then
-     zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >
-          $HOME/.cabal/packages/hackage.haskell.org/00-index.tar;
-   fi
- - travis_retry cabal update -v
- - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
- - cabal install --only-dependencies --enable-tests --enable-benchmarks --dry -v > installplan.txt
- - sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt
+# Build dependencies
+- stack --no-terminal --install-ghc test --only-dependencies
 
-# check whether current requested install-plan matches cached package-db snapshot
- - if diff -u $HOME/.cabsnap/installplan.txt installplan.txt;
-   then
-     echo "cabal build-cache HIT";
-     rm -rfv .ghc;
-     cp -a $HOME/.cabsnap/ghc $HOME/.ghc;
-     cp -a $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;
-   else
-     echo "cabal build-cache MISS";
-     rm -rf $HOME/.cabsnap;
-     mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;
-     cabal install --only-dependencies --enable-tests --enable-benchmarks;
-   fi
-
-# snapshot package-db on cache miss
- - if [ ! -d $HOME/.cabsnap ];
-   then
-      echo "snapshotting package-db to build-cache";
-      mkdir $HOME/.cabsnap;
-      cp -a $HOME/.ghc $HOME/.cabsnap/ghc;
-      cp -a $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;
-   fi
-
-# Here starts the actual work to be performed for the package under test;
-# any command which exits with a non-zero exit code causes the build to fail.
 script:
- - if [ -f configure.ac ]; then autoreconf -i; fi
- - cabal configure --enable-tests --enable-benchmarks -v2  # -v2 provides useful information for debugging
- - cabal build   # this builds all libraries and executables (including tests/benchmarks)
- - cabal test
- - cabal check
- - cabal sdist   # tests that a source-distribution can be generated
-
-# Check that the resulting source distribution can be built & installed.
-# If there are no other `.tar.gz` files in `dist`, this can be even simpler:
-# `cabal install --force-reinstalls dist/*-*.tar.gz`
- - SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz &&
-   (cd dist && cabal install --force-reinstalls "$SRC_TGZ")
-
-# EOF
+# Build the package, its tests, and its docs and run the tests
+- stack --no-terminal test --haddock --no-haddock-deps
+- stack sdist # tests that a source-distribution can be generated
diff --git a/stack.yaml b/stack.yaml
new file mode 100644
index 0000000..7ba37ca
--- /dev/null
+++ b/stack.yaml
@@ -0,0 +1,12 @@
+resolver: lts-8.5
+
+packages:
+  - location:
+      git: http://github.com/tomjaguarpaw/haskell-opaleye
+      commit: master
+    extra-dep: true
+  - .
+
+extra-deps:
+  - one-liner-0.7
+  - streaming-postgresql-simple-0.2.0.0