travis: use apt-get to install openresty. (#10)

Author: moonming

.travis.yml

@@ -24,27 +24,19 @@ env:
   global:
     - JOBS=2
     - OPENRESTY_PREFIX=/usr/local/openresty
-    - OPENRESTY_VER=`curl -s  "https://api.github.com/repos/openresty/openresty/tags" | grep '"name"' | head -1 | grep -Po '([\d\.]+)'`
 
 install:
-  - if [ ! -f download-cache/openresty-$OPENRESTY_VER.tar.gz ]; then
-      wget -P download-cache https://openresty.org/download/openresty-$OPENRESTY_VER.tar.gz;
-    fi
   - git clone https://github.com/openresty/test-nginx.git test-nginx
   - sudo luarocks install lua-resty-http
   - sudo luarocks install lua-typeof
+  - wget -qO - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
+  - sudo apt-get -y install software-properties-common
+  - sudo add-apt-repository -y "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main"
+  - sudo apt-get update
+  - sudo apt-get install openresty
 
 script:
   - cd test-nginx && (sudo cpanm . > build.log 2>&1 || (cat build.log && exit 1)) && cd ..
-  - tar xzf download-cache/openresty-$OPENRESTY_VER.tar.gz &&
-      cd openresty-$OPENRESTY_VER
-  - ./configure --prefix=$OPENRESTY_PREFIX -j$JOBS
-      > build.log 2>&1 || (cat build.log && exit 1)
-  - make -j$JOBS > build.log 2>&1 ||
-      (cat build.log && exit 1)
-  - sudo make install > build.log 2>&1 ||
-      (cat build.log && exit 1)
-  - cd ..
   - export PATH=$OPENRESTY_PREFIX/nginx/sbin:$PATH
   - sudo service etcd start
   - make test jobs=$JOBS