Add global lower bounds to deps on the CI

Author: nicolas-grekas

.github/composer-lowest/composer.json

@@ -0,0 +1,7 @@
+{
+    "name": "symfony/composer-lowest",
+    "type": "metapackage",
+    "conflict": {
+        "symfony/polyfill-php83": "<1.30"
+    }
+}

.github/workflows/unit-tests.yml

@@ -172,6 +172,13 @@ jobs:
             local ok=0
             local title="$1$FLIP"
             local start=$(date -u +%s)
+
+            if [[ "${{ matrix.mode }}" = low-deps ]]; then
+              cd $1
+              composer config -q repositories.symfony '{"type": "path", "url": "$OLDPWD/.github/composer-lowest"}'
+              composer require -q --no-update symfony/composer-lowest
+            fi
+
             OUTPUT=$(bash -xc "$2" 2>&1) || ok=$?
             local end=$(date -u +%s)
 
@@ -197,7 +204,7 @@ jobs:
           fi
 
           if [[ "${{ matrix.mode }}" = low-deps ]]; then
-            echo "$COMPONENTS" | xargs -n1 | parallel -j +3 "_run_tests {} 'cd {} && $COMPOSER_UP --prefer-lowest --prefer-stable && $PHPUNIT --do-not-fail-on-deprecation'"
+            echo "$COMPONENTS" | xargs -n1 | parallel -j +3 "_run_tests {} '$COMPOSER_UP --prefer-lowest --prefer-stable && $PHPUNIT --do-not-fail-on-deprecation'"
 
             exit 0
           fi

src/Symfony/Bundle/FrameworkBundle/composer.json

@@ -95,7 +95,6 @@
         "symfony/mailer": "<6.4",
         "symfony/messenger": "<6.4",
         "symfony/mime": "<6.4",
-        "symfony/polyfill-php83": "<1.30",
         "symfony/property-info": "<6.4",
         "symfony/property-access": "<6.4",
         "symfony/runtime": "<6.4.13|>=7.0,<7.1.6",

src/Symfony/Component/HttpFoundation/composer.json

@@ -18,8 +18,7 @@
     "require": {
         "php": ">=8.2",
         "symfony/deprecation-contracts": "^2.5|^3",
-        "symfony/polyfill-mbstring": "^1.1",
-        "symfony/polyfill-php83": "^1.30"
+        "symfony/polyfill-mbstring": "^1.1"
     },
     "require-dev": {
         "doctrine/dbal": "^3.6|^4",

src/Symfony/Component/HttpKernel/composer.json

@@ -64,7 +64,6 @@
         "symfony/http-client-contracts": "<2.5",
         "symfony/mailer": "<6.4",
         "symfony/messenger": "<6.4",
-        "symfony/polyfill-php83": "<1.30",
         "symfony/translation": "<6.4",
         "symfony/translation-contracts": "<2.5",
         "symfony/twig-bridge": "<6.4",

src/Symfony/Component/Mailer/composer.json

@@ -35,7 +35,6 @@
         "symfony/http-kernel": "<6.4",
         "symfony/messenger": "<6.4",
         "symfony/mime": "<6.4",
-        "symfony/polyfill-php83": "<1.30",
         "symfony/twig-bridge": "<6.4"
     },
     "autoload": {