.travis.yml in tmuxinator-0.6.6.pre vs .travis.yml in tmuxinator-0.6.6.pre.2

@@ -1,5 +1,24 @@
 language: ruby
 rvm:
   - "1.9.3"
   - "2.0.0"
+env:
+  - TMUX_VERSION=master
+  - TMUX_VERSION=1.8
+  - TMUX_VERSION=1.7
+  - TMUX_VERSION=1.6
+  - TMUX_VERSION=1.5
+matrix:
+  allow_failures:
+    - env: TMUX_VERSION=1.7
+before_install:
+  - sudo apt-get update -qq
+  - sudo apt-get install -qq libevent-dev libncurses-dev
+  - git clone git://git.code.sf.net/p/tmux/tmux-code tmux
+  - cd tmux
+  - git checkout $TMUX_VERSION
+  - sh autogen.sh
+  - ./configure && make && sudo make install
+  - cd ..
+  - tmux -V
 script: bundle exec rspec spec