Drop support for symfony/* <2.3

.travis.yml

 language: php
 
 env:
-    - SYMFONY_DEPS_VERSION=2.1
-    - SYMFONY_DEPS_VERSION=2.2
     - SYMFONY_DEPS_VERSION=2.3
 
 before_script:
     # symfony/*
     - |
         sed -i 's/^{$/{\n    "minimum-stability": "dev",/g' composer.json
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.3' ]; then sed -i 's/>=2.1,<2.4-dev/2.3.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.2' ]; then sed -i 's/>=2.1,<2.4-dev/2.2.*/g' composer.json; composer update --dev --prefer-source; fi"
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.1' ]; then sed -i 's/>=2.1\(.[0-9]\+\)\?,<2.4-dev/2.1.*/g' composer.json; composer update --dev --prefer-source; fi"
+    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.3' ]; then sed -i 's/>=2.3,<2.4-dev/2.3.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
     - composer install --dev --prefer-source
 
 php:

composer.json

@@ -17,37 +17,37 @@
     "require": {
         "php": ">=5.3.3",
         "pimple/pimple": "1.*",
-        "symfony/event-dispatcher": ">=2.1,<2.4-dev",
-        "symfony/http-foundation": ">=2.1,<2.4-dev",
-        "symfony/http-kernel": ">=2.1,<2.4-dev",
-        "symfony/routing": ">=2.1,<2.4-dev"
+        "symfony/event-dispatcher": ">=2.3,<2.4-dev",
+        "symfony/http-foundation": ">=2.3,<2.4-dev",
+        "symfony/http-kernel": ">=2.3,<2.4-dev",
+        "symfony/routing": ">=2.3,<2.4-dev"
     },
     "require-dev": {
-        "symfony/security": ">=2.1,<2.4-dev",
-        "symfony/config": ">=2.1,<2.4-dev",
-        "symfony/locale": ">=2.1,<2.4-dev",
-        "symfony/form": ">=2.1.4,<2.4-dev",
-        "symfony/browser-kit": ">=2.1,<2.4-dev",
-        "symfony/css-selector": ">=2.1,<2.4-dev",
-        "symfony/dom-crawler": ">=2.1,<2.4-dev",
-        "symfony/finder": ">=2.1,<2.4-dev",
-        "symfony/monolog-bridge": ">=2.1,<2.4-dev",
-        "symfony/options-resolver": ">=2.1,<2.4-dev",
-        "symfony/process": ">=2.1,<2.4-dev",
-        "symfony/serializer": ">=2.1,<2.4-dev",
-        "symfony/translation": ">=2.1,<2.4-dev",
-        "symfony/twig-bridge": ">=2.1,<2.4-dev",
-        "symfony/validator": ">=2.1,<2.4-dev",
+        "symfony/security": ">=2.3,<2.4-dev",
+        "symfony/config": ">=2.3,<2.4-dev",
+        "symfony/locale": ">=2.3,<2.4-dev",
+        "symfony/form": ">=2.3,<2.4-dev",
+        "symfony/browser-kit": ">=2.3,<2.4-dev",
+        "symfony/css-selector": ">=2.3,<2.4-dev",
+        "symfony/dom-crawler": ">=2.3,<2.4-dev",
+        "symfony/finder": ">=2.3,<2.4-dev",
+        "symfony/monolog-bridge": ">=2.3,<2.4-dev",
+        "symfony/options-resolver": ">=2.3,<2.4-dev",
+        "symfony/process": ">=2.3,<2.4-dev",
+        "symfony/serializer": ">=2.3,<2.4-dev",
+        "symfony/translation": ">=2.3,<2.4-dev",
+        "symfony/twig-bridge": ">=2.3,<2.4-dev",
+        "symfony/validator": ">=2.3,<2.4-dev",
         "twig/twig": ">=1.8.0,<2.0-dev",
         "doctrine/dbal": ">=2.2.0,<2.4.0-dev",
         "swiftmailer/swiftmailer": "5.*",
         "monolog/monolog": "~1.4,>=1.4.1"
     },
     "suggest": {
-        "symfony/browser-kit": ">=2.1,<2.4-dev",
-        "symfony/css-selector": ">=2.1,<2.4-dev",
-        "symfony/dom-crawler": ">=2.1,<2.4-dev",
-        "symfony/form": ">= 2.1.4,<2.4-dev"
+        "symfony/browser-kit": ">=2.3,<2.4-dev",
+        "symfony/css-selector": ">=2.3,<2.4-dev",
+        "symfony/dom-crawler": ">=2.3,<2.4-dev",
+        "symfony/form": ">=2.3,<2.4-dev"
     },
     "autoload": {
         "psr-0": { "Silex": "src/" }

doc/changelog.rst

@@ -4,7 +4,7 @@ Changelog
 1.1.0 (2013-XX-XX)
 ------------------
 
-* n/a
+* **2013-05-03: Dropped support for 2.1 and 2.2 versions of symfony.
 
 1.0.0 (2013-05-03)
 ------------------