Simplified travis.yml.

- Follows template on hvr/multi-ghc-travis.
- Don't build with ghc 7.4.2.
- Build tarball after main build.

1 files changed, 17 insertions, 19 deletions

diff --git a/.travis.yml b/.travis.yml
index 66fcccbfc..fddd78477 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,34 +6,32 @@ sudo: false
 # The following enables several GHC versions to be tested; often it's enough to test only against the last release in a major GHC version. Feel free to omit lines listings versions you don't need/want testing for.
 matrix:
  include:
-  - env: CABALVER=1.16 GHCVER=7.4.2 GHCOPTS="-Werror" JOPTS=""
-    addons: {apt: {packages: [cabal-install-1.16, ghc-7.4.2], sources: [hvr-ghc]}}
-  - env: CABALVER=1.18 GHCVER=7.6.3 GHCOPTS="-Werror" JOPTS="-j2"
+  - env: CABALVER=1.18 GHCVER=7.6.3 GHCOPTS="-Werror"
     addons: {apt: {packages: [cabal-install-1.18, ghc-7.6.3], sources: [hvr-ghc]}}
-  - env: CABALVER=1.18 GHCVER=7.8.4 GHCOPTS="-Werror" JOPTS="-j2"
+  - env: CABALVER=1.18 GHCVER=7.8.4 GHCOPTS="-Werror"
     addons: {apt: {packages: [cabal-install-1.18, ghc-7.8.4], sources: [hvr-ghc]}}
-  - env: CABALVER=1.22 GHCVER=7.10.2 GHCOPTS="" JOPTS="-j2"
+  - env: CABALVER=1.22 GHCVER=7.10.2 GHCOPTS=""
     addons: {apt: {packages: [cabal-install-1.22, ghc-7.10.2],sources: [hvr-ghc]}}
-#  - env: CABALVER=head GHCVER=head GHCOPTS="-Werror" JOPTS="-j2"
-#    addons: {apt: {packages: [cabal-install-head,ghc-head],  sources: [hvr-ghc]}}
 
 # Note: the distinction between `before_install` and `install` is not important.
 before_install:
  - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
 
 install:
- - cabal-$CABALVER update
-# - git clone https://github.com/jgm/pandoc-types && cd pandoc-types && cabal-1.18 install && cd ..
- - cabal-$CABALVER install $JOPTS --only-dependencies --enable-tests
+ - cabal --version
+ - ghc --version
+ - travis_retry cabal update
+ - cabal install --only-dependencies --enable-tests
 
 # 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 [ "${CABALVER}" != "1.16" ]; then
-      cabal-$CABALVER sdist --output-directory=build
-      cd build
-   fi
- - cabal-$CABALVER configure --enable-tests -v2  # -v2 provides useful information for debugging
- - cabal-$CABALVER build $JOPTS --ghc-options=$GHCOPTS # this builds all libraries and executables (including tests/benchmarks)
- - cabal-$CABALVER test
- - cabal-$CABALVER check
+ - cabal configure --enable-tests -v2  # -v2 provides useful information for debugging
+ - cabal build --ghc-options=$GHCOPTS  # this builds all libraries and executables (including tests/benchmarks)
+ - cabal test
+ - cabal check
+ - cabal sdist   # tests that a source-distribution can be generated
+# Check that the resulting source distribution can be built & installed.
+# If there are no other `.tar.gz` files in `dist`, this can be even simpler:
+# `cabal install --force-reinstalls dist/*-*.tar.gz`
+ - SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz &&
+   (cd dist && cabal install --force-reinstalls "$SRC_TGZ")