Use Docker at Travis also in the SLE12-SP2 branch

.travis.yml

@@ -1,19 +1,12 @@
-language: cpp
-compiler:
-    - gcc
+sudo: required
+language: bash
+services:
+  - docker
+
 before_install:
-    # disable rvm, use system Ruby
-    - rvm reset
-    - wget https://raw.githubusercontent.com/yast/yast-devtools/master/travis-tools/travis_setup.sh
-    - sh ./travis_setup.sh -p "rake yast2-core yast2-devtools yast2-testsuite yast2-ruby-bindings yast2-pkg-bindings ruby2.1-dev libaugeas-dev pkg-config gettext" -g "rspec:3.3.0 yast-rake gettext coveralls rubocop:0.41.2 cheetah abstract_method cfa"
-script:
-    - rake check:pot
-    - rubocop
-    - make -s -f Makefile.cvs
-    - make -s
-    - sudo make -s install
-    # English messages, UTF-8, "C" locale for numeric formatting tests
-    - LC_ALL= LANG=en_US.UTF-8 LC_NUMERIC=C make -s check
-    # English messages, UTF-8, "C" locale for numeric formatting tests, enable test coverage report
-    - LC_ALL= LANG=en_US.UTF-8 LC_NUMERIC=C COVERAGE=1 rake test:unit
+  - docker build -t yast-yast2-image .
 
+script:
+  # the "yast-travis-ruby" script is included in the base yastdevel/ruby image
+  # see https://github.com/yast/docker-yast-ruby/blob/master/yast-travis-ruby
+  - docker run -it -e TRAVIS=1 -e TRAVIS_JOB_ID="$TRAVIS_JOB_ID" yast-yast2-image yast-travis-ruby

Dockerfile

@@ -0,0 +1,4 @@
+FROM yastdevel/ruby:sle12-sp2
+COPY . /usr/src/app
+# English messages, UTF-8, "C" locale for numeric formatting tests
+ENV LC_ALL= LANG=en_US.UTF-8 LC_NUMERIC=C