minor #5330 Don't require symfony/flex globally (javiereguiluz, alexi…

…slefebvre)

This PR was merged into the 4.x branch.

Discussion
----------

Don't require symfony/flex globally

All this work was done by `@alexislefebvre`. He cannot submit a PR directly because of the temporary restrictions of this repository, so I'm creating the PR on his behalf. Thanks!

Commits
-------

f5ed83d CI: use “composer config …” instead of “SYMFONY_REQUIRE”
3611c1a CI: don't require symfony/flex globally
2f32bea Revert "Fix the usage of Composer plugins in GitHub actions"
622f663 Allow some Composer plugin

.github/workflows/test-upcoming-symfony.yaml

@@ -36,11 +36,9 @@ jobs:
                   ini-values: date.timezone=UTC
 
             - name: 'Install project dependencies'
-              env:
-                  SYMFONY_REQUIRE: ${{ matrix.symfony-version }}
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer config extra.symfony.require "${{ matrix.symfony-version }}"
                   composer update --no-interaction --prefer-dist --optimize-autoloader || exit 0
                   vendor/bin/simple-phpunit install || exit 0
 

.github/workflows/tests-linux.yaml

@@ -36,8 +36,7 @@ jobs:
 
             - name: 'Install project dependencies'
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
                   composer update --no-interaction --prefer-dist --optimize-autoloader --prefer-stable
                   vendor/bin/simple-phpunit install
 

.github/workflows/tests-lowest-dependencies.yaml

@@ -32,8 +32,7 @@ jobs:
 
             - name: 'Install project dependencies'
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
                   composer update --no-interaction --prefer-dist --optimize-autoloader --prefer-stable --prefer-lowest
                   vendor/bin/simple-phpunit install
 

.github/workflows/tests-macos.yaml

@@ -32,8 +32,7 @@ jobs:
 
             - name: 'Install project dependencies'
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
                   composer update --no-interaction --prefer-dist --optimize-autoloader --prefer-stable
                   vendor/bin/simple-phpunit install
 

.github/workflows/tests-maintained-symfony.yaml

@@ -36,11 +36,9 @@ jobs:
                   ini-values: date.timezone=UTC
 
             - name: 'Install project dependencies'
-              env:
-                  SYMFONY_REQUIRE: ${{ matrix.symfony-version }}
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer config extra.symfony.require "${{ matrix.symfony-version }}"
                   composer update --no-interaction --prefer-dist --optimize-autoloader
                   vendor/bin/simple-phpunit install
 

.github/workflows/tests-upcoming-php.yaml

@@ -31,11 +31,9 @@ jobs:
                   ini-values: date.timezone=UTC
 
             - name: 'Install project dependencies'
-              env:
-                  SYMFONY_REQUIRE: 5.4
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer config extra.symfony.require "5.4"
                   composer update --no-interaction --prefer-dist --optimize-autoloader --prefer-stable --ignore-platform-req=php
                   vendor/bin/simple-phpunit install
 

.github/workflows/tests-windows.yaml

@@ -32,8 +32,7 @@ jobs:
 
             - name: 'Install project dependencies'
               run: |
-                  composer config --global --no-plugins allow-plugins.symfony/flex true
-                  composer global require --no-progress --no-scripts --no-plugins symfony/flex
+                  composer require --no-progress --no-scripts --no-plugins symfony/flex
                   composer update --no-interaction --prefer-dist --optimize-autoloader --prefer-stable
                   vendor/bin/simple-phpunit install
 

composer.json

@@ -46,7 +46,10 @@
         "symfony/phpunit-bridge": "^5.4|^6.0"
     },
     "config": {
-        "sort-packages": true
+        "sort-packages": true,
+        "allow-plugins": {
+            "symfony/flex": true
+        }
     },
     "autoload": {
         "psr-4": {