update .travis.yml for tidal 0.9 from hackage

this will (hopefully) pass as soon as hackage contains tidal-0.9

Author: lennart

.travis.yml

@@ -44,11 +44,6 @@ install:
    fi
  - travis_retry cabal update -v
  - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
-# # TODO: remove all but last line when tidal 0.9 is released
- - git clone --depth 1 --branch 0.9-dev https://github.com/tidalcycles/Tidal
- - pushd Tidal && git show-ref 0.9-dev && popd
- - cabal sandbox init
- - cabal sandbox add-source Tidal
  - cabal install --only-dependencies
 # Here starts the actual work to be performed for the package under test;
 # any command which exits with a non-zero exit code causes the build to fail.
@@ -57,13 +52,12 @@ script:
  - cabal configure --enable-tests --enable-benchmarks -v2  # -v2 provides useful information for debugging
  - cabal build   # this builds all libraries and executables (including tests/benchmarks)
  - cabal test
-# # TODO: enable this again when tidal 0.9 is released
-# - cabal check
-# - cabal sdist   # tests that a source-distribution can be generated
+ - cabal check
+ - cabal sdist   # tests that a source-distribution can be generated
 # Check that the resulting source distribution can be built & installed.
 # If there are no other `.tar.gz` files in `dist`, this can be even simpler:
 # `cabal install --force-reinstalls dist/*-*.tar.gz`
-# - SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz &&
-#   (cd dist && cabal install --force-reinstalls "$SRC_TGZ")
+ - SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz &&
+   (cd dist && cabal install --force-reinstalls "$SRC_TGZ")
 
 # EOF