travis-ci: Make use of travis.d.n

.travis.yml

 sudo: required
-dist: trusty
-language: c
 
-before_install:
-    # update package list
-    - sudo apt-get update -qq
-    # installneeded packages for uscan
-    - sudo apt-get install -qq --no-install-recommends devscripts libwww-perl
-    # download original tarball
-    - UVERSION=$(dpkg-parsechangelog | grep ^Version | cut -d' ' -f2 | cut -d'-' -f1); uscan --verbose --download-version ${UVERSION} --force-download
-    # remove packages needed for uscan
-    - sudo apt-get purge -qq libwww-perl
-    - sudo apt-get autoremove -qq
+env:
+  - TRAVIS_DEBIAN_DISTRIBUTION=unstable TRAVIS_DEBIAN_MIRROR="http://httpredir.debian.org/debian/" TRAVIS_DEBIAN_SECURITY_UPDATES=false
+  - TRAVIS_DEBIAN_DISTRIBUTION=testing  TRAVIS_DEBIAN_MIRROR="http://httpredir.debian.org/debian/"
+  - TRAVIS_DEBIAN_DISTRIBUTION=stable   TRAVIS_DEBIAN_MIRROR="http://httpredir.debian.org/debian/"
 
-install:
-    # install packages needed for mk-build-deps
-    - sudo apt-get install -qq --no-install-recommends devscripts equivs
-    # pull build deps from debian/control
-    - sudo mk-build-deps -ir -t "apt-get --yes --no-install-recommends"
-    # remove packages needed for mk-build-deps
-    - sudo apt-get purge -qq equivs
-    - sudo apt-get autoremove -qq
+services:
+  - docker
+
+before_script:
+  # fetch all tags (not done due travis cloning with depth=50)
+  - git fetch --tags
 
 script:
-    # build the debian package
-    - dpkg-buildpackage -uc -us
+  # build the debian package
+  - wget -O- http://travis.debian.net/script.sh | sh -
 
 after_script:
-    # run lintian after build
-    - sudo apt-get install -qq --no-install-recommends lintian
-    - lintian --info --display-info --display-experimental --pedantic --show-overrides ../*.deb && lintian --info --display-info --display-experimental --pedantic --show-overrides ../*.dsc
+  # run lintian after build
+  - sudo add-apt-repository -y ppa:waja/trusty-backports
+  - sudo apt-get update -qq
+  - sudo apt-get install -qq --no-install-recommends lintian
+  - lintian --info --display-info --display-experimental --pedantic --show-overrides ../*.deb && lintian --info --display-info --display-experimental --pedantic --show-overrides ../*.dsc
+
 #notifications:
 #  email: false
+
+branches:
+  except:
+    - /^debian\/\d/