Improve travis build speed

Author: wouterj

.travis.yml

@@ -1,6 +1,7 @@
 language: php
 
 php:
+  - 5.3
   - 5.4
   - 5.5
   - 5.6
@@ -13,23 +14,33 @@ cache:
   directories:
     - $HOME/.composer/cache/files
 
+env:
+  - SYMFONY_VERSION=2.8.*
+
 matrix:
   include:
+    - php: 5.6
+      env: DEPS=dev
     - php: 5.3
-      env: SYMFONY_VERSION=2.3.* COMPOSER_FLAGS="--prefer-lowest"
-    - php: 7.0
+      env: COMPOSER_FLAGS="--prefer-lowest"
+    - php: 5.6
+      env: SYMFONY_VERSION=2.3.*
+    - php: 5.6
       env: SYMFONY_VERSION=2.7.*
-    - php: 7.0
-      env: SYMFONY_VERSION=2.8.*
+    - php: 5.6
+      env: SYMFONY_VERSION=3.0.*
   fast_finish: true
 
 before_install:
-  - composer self-update || true
-  - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo "memory_limit = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi
-  - if [ "$SYMFONY_VERSION" != "" ]; then composer require --no-update symfony/symfony=$SYMFONY_VERSION; fi;
-  - COMPOSER_ROOT_VERSION=dev-master composer update $COMPOSER_FLAGS --prefer-source --no-interaction
+  - if [[ "$TRAVIS_PHP_VERSION" != "hhvm" ]]; then echo "memory_limit = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi
+  - phpenv config-rm xdebug.ini || true
+  - composer self-update
+  - if [ "$DEPS" = "dev" ]; then perl -pi -e 's/^}$/,"minimum-stability":"dev"}/' composer.json; fi
+  - if [ "$SYMFONY_VERSION" != "" ]; then composer require symfony/symfony:${SYMFONY_VERSION} --no-update; fi
+
+install: composer update --prefer-dist $COMPOSER_FLAGS
 
-script: phpunit --coverage-text
+script: phpunit
 
 notifications:
   irc: "irc.freenode.org#symfony-cmf"

composer.json

@@ -8,7 +8,6 @@
             "homepage": "https://github.com/symfony-cmf/Routing/contributors"
         }
     ],
-    "minimum-stability": "dev",
     "require": {
         "php": "^5.3.9|^7.0",
         "symfony/symfony": "^2.3|3.*",