travis: Factor out script section to a shell script

.travis.yml

@@ -38,16 +38,7 @@ before_install:
 install:
 - cabal install -j --only-dependencies --enable-tests --enable-benchmarks $FLAGS
 script:
-- cabal configure -fexamples --enable-tests --enable-benchmarks --enable-coverage
-  --ghc-options="-Wall -Werror"
-- cabal build -j
-- run-cabal-test --cabal-name=cabal --show-details=always
-- cabal run influx-random-points -- 10 10
-- cabal check
-- cabal sdist
-- export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}') ; (cd dist/; if
-  [ -f "$SRC_TGZ" ]; then cabal install "$SRC_TGZ"; else echo "expected '$SRC_TGZ'
-  not found"; exit 1; fi)
+- ./scripts/travis.sh
 after_script:
 - hpc-coveralls test-suite
 notifications:

scripts/travis.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+cabal configure -fexamples --enable-tests --enable-benchmarks --enable-coverage --ghc-options="-Wall -Werror"
+cabal build -j
+run-cabal-test --cabal-name=cabal --show-details=always
+cabal run influx-random-points -- 10 10
+cabal check
+cabal sdist
+export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}')
+pushd dist/
+if [ -f "$SRC_TGZ" ]; then
+  cabal install "$SRC_TGZ"
+else
+  echo "expected '$SRC_TGZ' not found"
+  exit 1
+fi
+popd