From 7cd510604109c288690e97d4c0f3e13cf2142232 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@sensiolabs.de>
Date: Wed, 26 Aug 2020 08:25:12 +0200
Subject: [PATCH 1/2] fix more numeric cases changing in PHP 8

---
 src/Symfony/Component/Yaml/Inline.php           | 2 +-
 src/Symfony/Component/Yaml/Tests/InlineTest.php | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Yaml/Inline.php b/src/Symfony/Component/Yaml/Inline.php
index 11efebca44..a0c804d1d0 100644
--- a/src/Symfony/Component/Yaml/Inline.php
+++ b/src/Symfony/Component/Yaml/Inline.php
@@ -210,7 +210,7 @@ class Inline
                 return 'false';
             case ctype_digit($value):
                 return \is_string($value) ? "'$value'" : (int) $value;
-            case is_numeric($value) && false === strpos($value, "\n"):
+            case is_numeric($value) && false === strpos($value, "\f") && false === strpos($value, "\n") && false === strpos($value, "\r") && false === strpos($value, "\t") && false === strpos($value, "\v"):
                 $locale = setlocale(LC_NUMERIC, 0);
                 if (false !== $locale) {
                     setlocale(LC_NUMERIC, 'C');
diff --git a/src/Symfony/Component/Yaml/Tests/InlineTest.php b/src/Symfony/Component/Yaml/Tests/InlineTest.php
index 362421ff8e..69b8033a0f 100644
--- a/src/Symfony/Component/Yaml/Tests/InlineTest.php
+++ b/src/Symfony/Component/Yaml/Tests/InlineTest.php
@@ -570,6 +570,14 @@ class InlineTest extends TestCase
             ['[foo, \'@foo.baz\', { \'%foo%\': \'foo is %foo%\', bar: \'%foo%\' }, true, \'@service_container\']', ['foo', '@foo.baz', ['%foo%' => 'foo is %foo%', 'bar' => '%foo%'], true, '@service_container']],
 
             ['{ foo: { bar: { 1: 2, baz: 3 } } }', ['foo' => ['bar' => [1 => 2, 'baz' => 3]]]],
+
+            // numeric strings with trailing whitespaces
+            ["'0123 '", '0123 '],
+            ['"0123\f"', "0123\f"],
+            ['"0123\n"', "0123\n"],
+            ['"0123\r"', "0123\r"],
+            ['"0123\t"', "0123\t"],
+            ['"0123\v"', "0123\v"],
         ];
     }
 

From ab92e9f4c3726b397f175d6bcbdea704427f504a Mon Sep 17 00:00:00 2001
From: noniagriconomie <antoine.makdessi@agriconomie.com>
Date: Fri, 21 Aug 2020 19:05:22 +0200
Subject: [PATCH 2/2] Backport: Improve link script with rollback when using
 symlink

---
 link | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/link b/link
index 9f42fe9512..99bad694c4 100755
--- a/link
+++ b/link
@@ -18,19 +18,22 @@ require __DIR__.'/src/Symfony/Component/Filesystem/Filesystem.php';
 use Symfony\Component\Filesystem\Filesystem;
 
 /**
- * Links dependencies to components to a local clone of the main symfony/symfony GitHub repository.
+ * Links dependencies of a project to a local clone of the main symfony/symfony GitHub repository.
  *
  * @author Kévin Dunglas <dunglas@gmail.com>
  */
 
 $copy = false !== $k = array_search('--copy', $argv, true);
 $copy && array_splice($argv, $k, 1);
+$rollback = false !== $k = array_search('--rollback', $argv, true);
+$rollback && array_splice($argv, $k, 1);
 $pathToProject = $argv[1] ?? getcwd();
 
 if (!is_dir("$pathToProject/vendor/symfony")) {
-    echo 'Link (or copy) dependencies to components to a local clone of the main symfony/symfony GitHub repository.'.PHP_EOL.PHP_EOL;
+    echo 'Links dependencies of a project to a local clone of the main symfony/symfony GitHub repository.'.PHP_EOL.PHP_EOL;
     echo "Usage: $argv[0] /path/to/the/project".PHP_EOL;
     echo '       Use `--copy` to copy dependencies instead of symlink'.PHP_EOL.PHP_EOL;
+    echo '       Use `--rollback` to rollback'.PHP_EOL.PHP_EOL;
     echo "The directory \"$pathToProject\" does not exist or the dependencies are not installed, did you forget to run \"composer install\" in your project?".PHP_EOL;
     exit(1);
 }
@@ -51,12 +54,19 @@ foreach ($directories as $dir) {
 
 foreach (glob("$pathToProject/vendor/symfony/*", GLOB_ONLYDIR | GLOB_NOSORT) as $dir) {
     $package = 'symfony/'.basename($dir);
-    if (!$copy && is_link($dir)) {
-        echo "\"$package\" is already a symlink, skipping.".PHP_EOL;
+
+    if (!isset($sfPackages[$package])) {
         continue;
     }
 
-    if (!isset($sfPackages[$package])) {
+    if ($rollback) {
+        $filesystem->remove($dir);
+        echo "\"$package\" has been rollback from \"$sfPackages[$package]\".".PHP_EOL;
+        continue;
+    }
+
+    if (!$copy && is_link($dir)) {
+        echo "\"$package\" is already a symlink, skipping.".PHP_EOL;
         continue;
     }
 
@@ -76,3 +86,7 @@ foreach (glob("$pathToProject/vendor/symfony/*", GLOB_ONLYDIR | GLOB_NOSORT) as
 foreach (glob("$pathToProject/var/cache/*", GLOB_NOSORT) as $cacheDir) {
     $filesystem->remove($cacheDir);
 }
+
+if ($rollback) {
+    echo PHP_EOL."Rollback done, do not forget to run \"composer install\" in your project \"$pathToProject\".".PHP_EOL;
+}