From a8dbd0c996244b611333823fd5c5051ad8ce9ef2 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 15:14:04 +0200
Subject: [PATCH 01/19] Check that the system has the PHP version required by
 Symfony

---
 src/Symfony/Installer/NewCommand.php              | 10 +++++++++-
 tests/Symfony/Installer/Tests/IntegrationTest.php | 13 +++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index 048c4aa..525ed2e 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -123,7 +123,6 @@ protected function checkSymfonyVersionIsInstallable()
 
         if (preg_match('/^[23]\.\d$/', $this->version)) {
             // Check if we have a minor version in order to retrieve the last patch from symfony.com
-
             $client = $this->getGuzzleClient();
             $versionsList = $client->get('http://symfony.com/versions.json')->json();
 
@@ -188,6 +187,15 @@ protected function checkSymfonyVersionIsInstallable()
             ));
         }
 
+        // check that the system has the PHP version required by the Symfony version to be installed
+        if (version_compare($this->version, '3.0.0', '>=') && version_compare(phpversion(), '5.5.9', '<')) {
+            throw new \RuntimeException(sprintf(
+                "The selected version (%s) cannot be installed because it requires\n".
+                "PHP 5.5.9 or higher and your system has PHP %s installed.\n",
+                $this->version, phpversion()
+            ));
+        }
+
         // warn the user when downloading an unstable version
         if (preg_match('/^.*\-(BETA|RC)\d*$/i', $this->version)) {
             $this->output->writeln("\n <bg=red> WARNING </> You are downloading an unstable Symfony version.");
diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 27f4160..293f8e0 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -92,6 +92,19 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
         );
     }
 
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessageRegExp /The selected version \(.+\) cannot be installed because it requires\nPHP 5.5.9 or higher and your system has PHP .+ installed\./
+     */
+    public function testSymfonyRequiresNewerPhpVersion()
+    {
+        if (version_compare(phpversion(), '5.5.0', '>=')) {
+            $this->markTestSkipped('This test requires PHP 5.4 or lower.');
+        }
+
+        $this->runCommand(sprintf('php %s/symfony.phar new . 2.7.5', $this->rootDir));
+    }
+
     public function testSymfonyInstallationInCurrentDirectory()
     {
         $projectDir = sprintf('%s/my_test_project', sys_get_temp_dir());

From a1c841ab6756f9738bd5f5181c510b6dc4e51a37 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 15:20:10 +0200
Subject: [PATCH 02/19] Fixed a test

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 293f8e0..f5c0a2c 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -102,7 +102,7 @@ public function testSymfonyRequiresNewerPhpVersion()
             $this->markTestSkipped('This test requires PHP 5.4 or lower.');
         }
 
-        $this->runCommand(sprintf('php %s/symfony.phar new . 2.7.5', $this->rootDir));
+        $this->runCommand(sprintf('php %s/symfony.phar new my_test_project', $this->rootDir));
     }
 
     public function testSymfonyInstallationInCurrentDirectory()

From fe643ccb24e6d3e35186593bbaf9d911c77f4eea Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 15:32:56 +0200
Subject: [PATCH 03/19] Fixed the exception class thrown

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index f5c0a2c..9564464 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -12,6 +12,7 @@
 namespace Symfony\Installer\Tests;
 
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Process\Exception\RuntimeException;
 use Symfony\Component\Process\Process;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Process\Exception\ProcessFailedException;
@@ -93,7 +94,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
     }
 
     /**
-     * @expectedException \RuntimeException
+     * @expectedException RuntimeException
      * @expectedExceptionMessageRegExp /The selected version \(.+\) cannot be installed because it requires\nPHP 5.5.9 or higher and your system has PHP .+ installed\./
      */
     public function testSymfonyRequiresNewerPhpVersion()

From 7c8ba5891ae3330ac326d12dd70b49057d1b10f2 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 15:52:31 +0200
Subject: [PATCH 04/19] Make sure that the Symfony version can be installed in
 the system

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 9564464..90e36e5 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -64,8 +64,12 @@ public function testDemoApplicationInstallation()
     /**
      * @dataProvider provideSymfonyInstallationData
      */
-    public function testSymfonyInstallation($versionToInstall, $messageRegexp, $versionRegexp)
+    public function testSymfonyInstallation($versionToInstall, $messageRegexp, $versionRegexp, $minPhpVersion)
     {
+        if (version_compare(phpversion(), $minPhpVersion, '<')) {
+            $this->markTestSkipped(sprintf('This test requires PHP %s or higher.', $minPhpVersion));
+        }
+
         $projectDir = sprintf('%s/my_test_project', sys_get_temp_dir());
         $this->fs->remove($projectDir);
 
@@ -151,42 +155,49 @@ public function provideSymfonyInstallationData()
                 '',
                 '/.*Symfony 3\.1\.\d+ was successfully installed.*/',
                 '/Symfony version 3\.1\.\d+(-DEV)? - app\/dev\/debug/',
+                '5.5.9',
             ),
 
             array(
                 '3.0',
                 '/.*Symfony 3\.0\.\d+ was successfully installed.*/',
                 '/Symfony version 3\.0\.\d+(-DEV)? - app\/dev\/debug/',
+                '5.5.9',
             ),
 
             array(
                 'lts',
                 '/.*Symfony 2\.8\.\d+ was successfully installed.*/',
                 '/Symfony version 2\.8\.\d+(-DEV)? - app\/dev\/debug/',
+                '5.3.9',
             ),
 
             array(
                 '2.3',
                 '/.*Symfony 2\.3\.\d+ was successfully installed.*/',
                 '/Symfony version 2\.3\.\d+ - app\/dev\/debug/',
+                '5.3.9',
             ),
 
             array(
                 '2.5.6',
                 '/.*Symfony 2\.5\.6 was successfully installed.*/',
                 '/Symfony version 2\.5\.6 - app\/dev\/debug/',
+                '5.3.9',
             ),
 
             array(
                 '2.7.0-BETA1',
                 '/.*Symfony 2\.7\.0\-BETA1 was successfully installed.*/',
                 '/Symfony version 2\.7\.0\-BETA1 - app\/dev\/debug/',
+                '5.3.9',
             ),
 
             array(
                 '3.0.0-BETA1',
                 '/.*Symfony dev\-master was successfully installed.*/',
                 '/Symfony version 3\.0\.0\-BETA1 - app\/dev\/debug/',
+                '5.5.9',
             ),
         );
     }

From a10d8025f552a5b070ba8daa21cb153d9088ca18 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 15:53:24 +0200
Subject: [PATCH 05/19] Renamed a variable

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 90e36e5..6b06287 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -64,10 +64,10 @@ public function testDemoApplicationInstallation()
     /**
      * @dataProvider provideSymfonyInstallationData
      */
-    public function testSymfonyInstallation($versionToInstall, $messageRegexp, $versionRegexp, $minPhpVersion)
+    public function testSymfonyInstallation($versionToInstall, $messageRegexp, $versionRegexp, $requiredPhpVersion)
     {
-        if (version_compare(phpversion(), $minPhpVersion, '<')) {
-            $this->markTestSkipped(sprintf('This test requires PHP %s or higher.', $minPhpVersion));
+        if (version_compare(phpversion(), $requiredPhpVersion, '<')) {
+            $this->markTestSkipped(sprintf('This test requires PHP %s or higher.', $requiredPhpVersion));
         }
 
         $projectDir = sprintf('%s/my_test_project', sys_get_temp_dir());

From 4d89198df3bdc195dc2dcd037f8ada22bfc824d6 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 16:12:48 +0200
Subject: [PATCH 06/19] Fixed exception message

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 6b06287..031e1bd 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -99,7 +99,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
 
     /**
      * @expectedException RuntimeException
-     * @expectedExceptionMessageRegExp /The selected version \(.+\) cannot be installed because it requires\nPHP 5.5.9 or higher and your system has PHP .+ installed\./
+     * @expectedExceptionMessageRegExp /.+The selected version .+ cannot be installed because it requires.+PHP .+ or higher and your system has PHP .+ installed.+/s
      */
     public function testSymfonyRequiresNewerPhpVersion()
     {

From 96cfb1351e70d8ae36d4ce2e77a3ea883ce6512e Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 6 Jun 2016 16:16:56 +0200
Subject: [PATCH 07/19] Fixed the exception again

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 031e1bd..367192a 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -12,7 +12,6 @@
 namespace Symfony\Installer\Tests;
 
 use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Process\Exception\RuntimeException;
 use Symfony\Component\Process\Process;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Process\Exception\ProcessFailedException;
@@ -98,7 +97,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
     }
 
     /**
-     * @expectedException RuntimeException
+     * @expectedException \RuntimeException
      * @expectedExceptionMessageRegExp /.+The selected version .+ cannot be installed because it requires.+PHP .+ or higher and your system has PHP .+ installed.+/s
      */
     public function testSymfonyRequiresNewerPhpVersion()

From 23e0b4abe17e5c13114ba90a06aaa4028ae6b0c8 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 12 Jun 2016 12:49:42 +0200
Subject: [PATCH 08/19] Forced the display of the exception by PHPUnit so we
 can fix the failing tests

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 367192a..c3f0304 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -96,10 +96,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
         );
     }
 
-    /**
-     * @expectedException \RuntimeException
-     * @expectedExceptionMessageRegExp /.+The selected version .+ cannot be installed because it requires.+PHP .+ or higher and your system has PHP .+ installed.+/s
-     */
+
     public function testSymfonyRequiresNewerPhpVersion()
     {
         if (version_compare(phpversion(), '5.5.0', '>=')) {

From e6b7946ac00d9d636129a5833a6a02ca75ad6965 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 12 Jun 2016 12:55:08 +0200
Subject: [PATCH 09/19] Added a var_dump() to try to solve a hard to debug fail

---
 src/Symfony/Installer/NewCommand.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index 525ed2e..f51ad4c 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -188,6 +188,7 @@ protected function checkSymfonyVersionIsInstallable()
         }
 
         // check that the system has the PHP version required by the Symfony version to be installed
+var_dump("VERSION", $this->version, "PHP version", phpversion());
         if (version_compare($this->version, '3.0.0', '>=') && version_compare(phpversion(), '5.5.9', '<')) {
             throw new \RuntimeException(sprintf(
                 "The selected version (%s) cannot be installed because it requires\n".

From 1c5e1e0baff84a0af09e40517269072c557bbdf6 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 12 Jun 2016 12:58:54 +0200
Subject: [PATCH 10/19] Remove the previous symfony.phar if it exists

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index ed70733..865e36a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,6 +21,7 @@ before_install:
   - curl -LSs https://box-project.github.io/box2/installer.php | php
   - mv box.phar box
   - chmod 755 box
+  - rm -f symfony.phar
 
 install:
   - composer install

From 972bf2304147c8b55f4da93b5e38d816de7d5b60 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 12 Jun 2016 13:05:07 +0200
Subject: [PATCH 11/19] Reverted the previous changes

---
 .travis.yml                                       | 1 -
 src/Symfony/Installer/NewCommand.php              | 1 -
 tests/Symfony/Installer/Tests/IntegrationTest.php | 7 +++++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 865e36a..ed70733 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,6 @@ before_install:
   - curl -LSs https://box-project.github.io/box2/installer.php | php
   - mv box.phar box
   - chmod 755 box
-  - rm -f symfony.phar
 
 install:
   - composer install
diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index f51ad4c..525ed2e 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -188,7 +188,6 @@ protected function checkSymfonyVersionIsInstallable()
         }
 
         // check that the system has the PHP version required by the Symfony version to be installed
-var_dump("VERSION", $this->version, "PHP version", phpversion());
         if (version_compare($this->version, '3.0.0', '>=') && version_compare(phpversion(), '5.5.9', '<')) {
             throw new \RuntimeException(sprintf(
                 "The selected version (%s) cannot be installed because it requires\n".
diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index c3f0304..13de015 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -96,14 +96,17 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
         );
     }
 
-
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessageRegExp /.+The selected version .+ cannot be installed because it requires.+PHP .+ or higher and your system has PHP .+ installed.+/s
+     */
     public function testSymfonyRequiresNewerPhpVersion()
     {
         if (version_compare(phpversion(), '5.5.0', '>=')) {
             $this->markTestSkipped('This test requires PHP 5.4 or lower.');
         }
 
-        $this->runCommand(sprintf('php %s/symfony.phar new my_test_project', $this->rootDir));
+        $this->runCommand(sprintf('php %s/symfony.phar new my_test_project 3.0', $this->rootDir));
     }
 
     public function testSymfonyInstallationInCurrentDirectory()

From 2d3bc1b50c544b49320bc199a5c749477d02907f Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 12 Jun 2016 13:10:02 +0200
Subject: [PATCH 12/19] Made the test more precise

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 13de015..3429ec0 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -98,7 +98,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
 
     /**
      * @expectedException \RuntimeException
-     * @expectedExceptionMessageRegExp /.+The selected version .+ cannot be installed because it requires.+PHP .+ or higher and your system has PHP .+ installed.+/s
+     * @expectedExceptionMessageRegExp /.+The selected version 3.0.0 cannot be installed because it requires.+PHP 5.5.9 or higher and your system has PHP 5.4.* installed.+/s
      */
     public function testSymfonyRequiresNewerPhpVersion()
     {
@@ -106,7 +106,7 @@ public function testSymfonyRequiresNewerPhpVersion()
             $this->markTestSkipped('This test requires PHP 5.4 or lower.');
         }
 
-        $this->runCommand(sprintf('php %s/symfony.phar new my_test_project 3.0', $this->rootDir));
+        $this->runCommand(sprintf('php %s/symfony.phar new my_test_project 3.0.0', $this->rootDir));
     }
 
     public function testSymfonyInstallationInCurrentDirectory()

From fc2cb901a9b40a1ca5453afbad5359bb64b54a1a Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 12 Jun 2016 13:12:30 +0200
Subject: [PATCH 13/19] Fixed the test exception message

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 3429ec0..5c3e84f 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -98,7 +98,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
 
     /**
      * @expectedException \RuntimeException
-     * @expectedExceptionMessageRegExp /.+The selected version 3.0.0 cannot be installed because it requires.+PHP 5.5.9 or higher and your system has PHP 5.4.* installed.+/s
+     * @expectedExceptionMessageRegExp /.+The selected version \(3.0.0\) cannot be installed because it requires.+PHP 5.5.9 or higher and your system has PHP 5.4.* installed.+/s
      */
     public function testSymfonyRequiresNewerPhpVersion()
     {

From 50a4468749b8c3e3fdfa2ce49c78cbe65343b13d Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Mon, 13 Jun 2016 16:33:53 +0200
Subject: [PATCH 14/19] Simplified a comparison

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 5c3e84f..0c8d4b8 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -102,7 +102,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
      */
     public function testSymfonyRequiresNewerPhpVersion()
     {
-        if (version_compare(phpversion(), '5.5.0', '>=')) {
+        if (PHP_VERSION_ID >= 55000) {
             $this->markTestSkipped('This test requires PHP 5.4 or lower.');
         }
 

From 8aa9e1bcb4008a0ce356f4b6a1007bfdd1f24608 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Tue, 5 Jul 2016 16:36:40 +0200
Subject: [PATCH 15/19] Revamped the checkSymfonyVersionIsInstallable() method

---
 src/Symfony/Installer/NewCommand.php | 91 ++++++++++------------------
 1 file changed, 33 insertions(+), 58 deletions(-)

diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index 525ed2e..28bc218 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -110,83 +110,61 @@ protected function execute(InputInterface $input, OutputInterface $output)
      */
     protected function checkSymfonyVersionIsInstallable()
     {
-        // 'latest' is a special version name that refers to the latest stable version
-        // 'lts' is a special version name that refers to the current long term support version
-        if (in_array($this->version, array('latest', 'lts'))) {
-            return $this;
-        }
-
         // validate semver syntax
-        if (!preg_match('/^[23]\.\d(?:\.\d{1,2})?(?:-(?:dev|BETA\d*|RC\d*))?$/i', $this->version)) {
+        if (!preg_match('/^[2-9]\.\d(?:\.\d{1,2})?(?:-(?:dev|BETA\d*|RC\d*))?$/i', $this->version)) {
             throw new \RuntimeException('The Symfony version must be 2.N, 2.N.M, 3.N or 3.N.M (where N and M are positive integers). The special "-dev", "-BETA" and "-RC" versions are also supported.');
         }
 
-        if (preg_match('/^[23]\.\d$/', $this->version)) {
-            // Check if we have a minor version in order to retrieve the last patch from symfony.com
-            $client = $this->getGuzzleClient();
-            $versionsList = $client->get('http://symfony.com/versions.json')->json();
+        // Get the full list of Symfony versions to check if it's installable
+        $client = $this->getGuzzleClient();
+        $symfonyVersions = $client->get('http://symfony.com/versions.json')->json();
+        if (empty($symfonyVersions)) {
+            throw new \RuntimeException(
+                "There was a problem that prevented to get the list of Symfony versions.\n".
+                "from symfony.com. Check that you are online and the following URL is acceisble::\n\n".
+                'http://symfony.com/versions.json'
+            );
+        }
 
-            if ($versionsList && isset($versionsList[$this->version])) {
-                // Get the latest patch of the minor version the user asked
-                $this->version = $versionsList[$this->version];
-            } elseif ($versionsList && !isset($versionsList[$this->version])) {
+        // if a branch number is used, transform it into a real version number
+        if (preg_match('/^[2-9]\.\d$/', $this->version)) {
+            if (!isset($symfonyVersions[$this->version])) {
                 throw new \RuntimeException(sprintf(
                     "The selected branch (%s) does not exist, or is not maintained.\n".
                     "To solve this issue, install Symfony with the latest stable release:\n\n".
-                    '%s %s %s',
-                    $this->version,
-                    $_SERVER['PHP_SELF'],
-                    $this->getName(),
-                    $this->projectDir
+                    '%s %s %s',  $this->version, $_SERVER['PHP_SELF'], $this->getName(), $this->projectDir
                 ));
             }
+
+            $this->version = $symfonyVersions[$this->version];
         }
 
-        // 2.0, 2.1, 2.2 and 2.4 cannot be installed because they are unmaintained
-        if (preg_match('/^2\.[0124]\.\d{1,2}$/', $this->version)) {
-            throw new \RuntimeException(sprintf(
-                "The selected version (%s) cannot be installed because it belongs\n".
-                "to an unmaintained Symfony branch which is not compatible with this installer.\n".
-                "To solve this issue install Symfony manually executing the following command:\n\n".
-                'composer create-project symfony/framework-standard-edition %s %s',
-                $this->version, $this->projectDir, $this->version
-            ));
+        // if a special version name is used, transform it into a real version number
+        if (in_array($this->version, array('latest', 'lts'))) {
+            $this->version = $symfonyVersions[$this->version];
         }
 
-        // 2.3 can be installed starting from version 2.3.21 (inclusive)
-        if (preg_match('/^2\.3\.\d{1,2}$/', $this->version) && version_compare($this->version, '2.3.21', '<')) {
-            throw new \RuntimeException(sprintf(
-                "The selected version (%s) cannot be installed because this installer\n".
-                "is compatible with Symfony 2.3 versions starting from 2.3.21.\n".
-                "To solve this issue install Symfony manually executing the following command:\n\n".
-                'composer create-project symfony/framework-standard-edition %s %s',
-                $this->version, $this->projectDir, $this->version
-            ));
+        // versions are case-sensitive in the download server (3.1.0-rc1 must be 3.1.0-RC1)
+        if ($isUnstableVersion = preg_match('/^.*\-(BETA|RC)\d*$/i', $this->version)) {
+            $this->version = strtoupper($this->version);
         }
 
-        // 2.5 can be installed starting from version 2.5.6 (inclusive)
-        if (preg_match('/^2\.5\.\d{1,2}$/', $this->version) && version_compare($this->version, '2.5.6', '<')) {
+        $isNonInstallable = in_array($this->version, $symfonyVersions['non_installable']);
+        $isInstallable = in_array($this->version, $symfonyVersions['installable']);
+
+        // installable and non-installable versions are explicitly declared in the
+        // list of versions; there is an edge-case: unstable versions are not listed
+        // and they are generally installable (e.g. 3.1.0-RC1)
+        if ($isNonInstallable || (!$isInstallable && !$isUnstableVersion)) {
             throw new \RuntimeException(sprintf(
-                "The selected version (%s) cannot be installed because this installer\n".
-                "is compatible with Symfony 2.5 versions starting from 2.5.6.\n".
+                "The selected version (%s) cannot be installed because it is not compatible\n".
+                "with this installer or because it hasn't been published as a package yet.\n".
                 "To solve this issue install Symfony manually executing the following command:\n\n".
                 'composer create-project symfony/framework-standard-edition %s %s',
                 $this->version, $this->projectDir, $this->version
             ));
         }
 
-        // "-dev" versions are not supported because Symfony doesn't provide packages for them
-        if (preg_match('/^.*\-dev$/i', $this->version)) {
-            throw new \RuntimeException(sprintf(
-                "The selected version (%s) cannot be installed because it hasn't\n".
-                "been published as a package yet. Read the following article for\n".
-                "an alternative installation method:\n\n".
-                "> How to Install or Upgrade to the Latest, Unreleased Symfony Version\n".
-                '> http://symfony.com/doc/current/cookbook/install/unstable_versions.html',
-                $this->version
-            ));
-        }
-
         // check that the system has the PHP version required by the Symfony version to be installed
         if (version_compare($this->version, '3.0.0', '>=') && version_compare(phpversion(), '5.5.9', '<')) {
             throw new \RuntimeException(sprintf(
@@ -196,11 +174,8 @@ protected function checkSymfonyVersionIsInstallable()
             ));
         }
 
-        // warn the user when downloading an unstable version
-        if (preg_match('/^.*\-(BETA|RC)\d*$/i', $this->version)) {
+        if ($isUnstableVersion) {
             $this->output->writeln("\n <bg=red> WARNING </> You are downloading an unstable Symfony version.");
-            // versions provided by the download server are case sensitive
-            $this->version = strtoupper($this->version);
         }
 
         return $this;

From 97587ef95c50a707112a27496ea03eac8fded5d3 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Tue, 5 Jul 2016 16:46:02 +0200
Subject: [PATCH 16/19] Fixed typos

---
 src/Symfony/Installer/NewCommand.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index 28bc218..221e052 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -120,8 +120,8 @@ protected function checkSymfonyVersionIsInstallable()
         $symfonyVersions = $client->get('http://symfony.com/versions.json')->json();
         if (empty($symfonyVersions)) {
             throw new \RuntimeException(
-                "There was a problem that prevented to get the list of Symfony versions.\n".
-                "from symfony.com. Check that you are online and the following URL is acceisble::\n\n".
+                "There was a problem while downloading the list of Symfony versions from.\n".
+                "symfony.com. Check that you are online and the following URL is accessible::\n\n".
                 'http://symfony.com/versions.json'
             );
         }

From 127171e3a6dcb228bfafa1c0982fb4fd15b504b3 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Tue, 5 Jul 2016 16:52:12 +0200
Subject: [PATCH 17/19] Imrpoved the version validator

---
 src/Symfony/Installer/NewCommand.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index 221e052..01fb202 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -110,9 +110,13 @@ protected function execute(InputInterface $input, OutputInterface $output)
      */
     protected function checkSymfonyVersionIsInstallable()
     {
-        // validate semver syntax
-        if (!preg_match('/^[2-9]\.\d(?:\.\d{1,2})?(?:-(?:dev|BETA\d*|RC\d*))?$/i', $this->version)) {
-            throw new \RuntimeException('The Symfony version must be 2.N, 2.N.M, 3.N or 3.N.M (where N and M are positive integers). The special "-dev", "-BETA" and "-RC" versions are also supported.');
+        // validate the given version syntax
+        if (!preg_match('/^latest|lts|[2-9]\.\d(?:\.\d{1,2})?(?:-(?:dev|BETA\d*|RC\d*))?$/i', $this->version)) {
+            throw new \RuntimeException(sprintf(
+                "The Symfony version can be a branch number (e.g. 2.8), a full version\n".
+                "number (e.g. 3.1.4), a special word ('latest' or 'lts') and a unstable\n".
+                "version number (e.g. 3.2.0-rc1) but '%s' was given.", $this->version
+            ));
         }
 
         // Get the full list of Symfony versions to check if it's installable

From 9f79b6765098d055e6c58efd0a38c5f94341f261 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Tue, 5 Jul 2016 16:58:16 +0200
Subject: [PATCH 18/19] Fixed a test condition

---
 tests/Symfony/Installer/Tests/IntegrationTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Symfony/Installer/Tests/IntegrationTest.php b/tests/Symfony/Installer/Tests/IntegrationTest.php
index 0c8d4b8..90a8d5a 100644
--- a/tests/Symfony/Installer/Tests/IntegrationTest.php
+++ b/tests/Symfony/Installer/Tests/IntegrationTest.php
@@ -102,7 +102,7 @@ public function testSymfonyInstallation($versionToInstall, $messageRegexp, $vers
      */
     public function testSymfonyRequiresNewerPhpVersion()
     {
-        if (PHP_VERSION_ID >= 55000) {
+        if (PHP_VERSION_ID >= 50500) {
             $this->markTestSkipped('This test requires PHP 5.4 or lower.');
         }
 

From bad321a38e7ad65758304bc4bba773cd15098d52 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Sun, 10 Jul 2016 19:35:24 +0200
Subject: [PATCH 19/19] Fixed some error messages

---
 src/Symfony/Installer/NewCommand.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Installer/NewCommand.php b/src/Symfony/Installer/NewCommand.php
index 01fb202..f6df447 100644
--- a/src/Symfony/Installer/NewCommand.php
+++ b/src/Symfony/Installer/NewCommand.php
@@ -124,8 +124,8 @@ protected function checkSymfonyVersionIsInstallable()
         $symfonyVersions = $client->get('http://symfony.com/versions.json')->json();
         if (empty($symfonyVersions)) {
             throw new \RuntimeException(
-                "There was a problem while downloading the list of Symfony versions from.\n".
-                "symfony.com. Check that you are online and the following URL is accessible::\n\n".
+                "There was a problem while downloading the list of Symfony versions from\n".
+                "symfony.com. Check that you are online and the following URL is accessible:\n\n".
                 'http://symfony.com/versions.json'
             );
         }