move travis script into a file

.travis.yml

@@ -25,7 +25,7 @@ install:
   - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
 
 script:
-  - for package in $(cat sources.txt); do (echo testing $package && cd $package && tinc && cabal configure --enable-tests --disable-optimization && cabal build && cabal test) || exit 1; done
+  - ./travis.sh
 
 cache:
   directories:

travis.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+for package in $(cat sources.txt) ; do
+  echo testing $package
+  pushd $package
+  tinc
+  cabal configure --enable-tests --disable-optimization
+  cabal build
+  cabal test
+  popd
+done