Merge branch '4.4' into 5.2

* 4.4:
  [Cache] Add server-commands support for Predis Replication Environments
  Speedup psalm

.github/workflows/intl-data-tests.yml

@@ -8,8 +8,11 @@ on:
     paths:
       - 'src/Symfony/Component/Intl/Resources/data/**'
 
-jobs:
+defaults:
+  run:
+    shell: bash
 
+jobs:
   tests:
     name: Tests (intl-data)
     runs-on: ubuntu-latest

.github/workflows/phpunit-bridge.yml

@@ -8,8 +8,11 @@ on:
     paths:
       - 'src/Symfony/Bridge/PhpUnit/**'
 
-jobs:
+defaults:
+  run:
+    shell: bash
 
+jobs:
   lint:
     name: Lint
     runs-on: ubuntu-latest

.github/workflows/psalm.yml

@@ -3,6 +3,10 @@ name: Static analysis
 on:
   pull_request: ~
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   psalm:
     name: Psalm
@@ -17,81 +21,38 @@ jobs:
           ini-values: "memory_limit=-1"
           coverage: none
 
-      - name: Checkout PR
-        uses: actions/checkout@v2
-        with:
-          path: pr
-
-      - name: Checkout base
+      - name: Checkout target branch
         uses: actions/checkout@v2
         with:
           ref: ${{ github.base_ref }}
-          path: base
+
+      - name: Checkout PR
+        uses: actions/checkout@v2
 
       - name: Configure composer
         run: |
-            cd base
           COMPOSER_HOME="$(composer config home)"
           ([ -d "$COMPOSER_HOME" ] || mkdir "$COMPOSER_HOME") && cp .github/composer-config.json "$COMPOSER_HOME/config.json"
           echo "COMPOSER_ROOT_VERSION=$(grep -m1 SYMFONY_VERSION .travis.yml | grep -o '[0-9.x]*').x-dev" >> $GITHUB_ENV
 
-      - name: Determine composer cache directory
-        id: composer-cache
-        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-      - name: Cache composer dependencies
-        uses: actions/cache@v2
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: composer-${{ github.base_ref }}
-          restore-keys: composer-
-
       - name: Install Psalm
         run: |
-          composer require psalm/phar
-          cp ./vendor/bin/psalm.phar base/psalm.phar
-          cp ./vendor/bin/psalm.phar pr/psalm.phar
-
-      - name: Install dependencies for base
-        run: |
-            cd base
           echo "::group::modify composer.json"
-            composer remove symfony/phpunit-bridge --no-interaction --no-update
-            composer require --no-update phpunit/phpunit php-http/discovery psr/event-dispatcher
+          composer remove --no-update --no-interaction symfony/phpunit-bridge
+          composer require --no-update psalm/phar phpunit/phpunit php-http/discovery psr/event-dispatcher
           echo "::endgroup::"
           echo "::group::composer update"
           composer update --no-progress --ansi
+          git checkout composer.json
           echo "::endgroup::"
+          ./vendor/bin/psalm.phar --version
 
       - name: Generate Psalm baseline
         run: |
-          cd base
-          ./psalm.phar --set-baseline=.github/psalm/psalm.baseline.xml --no-progress
-
-      - name: Copy baseline
-        run: |
-          cp base/.github/psalm/psalm.baseline.xml pr/.github/psalm/psalm.baseline.xml
-
-      - name: Install dependencies for PR
-        run: |
-            cd pr
-            echo "::group::modify composer.json"
-            composer remove symfony/phpunit-bridge --no-interaction --no-update
-            composer require --no-update phpunit/phpunit php-http/discovery psr/event-dispatcher
-            echo "::endgroup::"
-            echo "::group::composer update"
-            composer update --no-progress --ansi
-            echo "::endgroup::"
-
-      - name: Cache Psalm
-        uses: actions/cache@v2
-        with:
-          path: pr/.github/psalm/cache/
-          key: psalm-${{ github.base_ref }}
-          restore-keys: psalm-
+          git checkout -m ${{ github.base_ref }}
+          ./vendor/bin/psalm.phar --set-baseline=.github/psalm/psalm.baseline.xml --no-progress
+          git checkout -m FETCH_HEAD
 
       - name: Psalm
         run: |
-          cd pr
-          ./psalm.phar --version
-          ./psalm.phar --output-format=github --no-progress
+          ./vendor/bin/psalm.phar --output-format=github --no-progress

.github/workflows/tests.yml

@@ -4,8 +4,11 @@ on:
   push:
   pull_request:
 
-jobs:
+defaults:
+  run:
+    shell: bash
 
+jobs:
   integration:
     name: Integration
     runs-on: ubuntu-latest

src/Symfony/Component/Cache/Adapter/RedisTagAwareAdapter.php

@@ -13,6 +13,7 @@ namespace Symfony\Component\Cache\Adapter;
 
 use Predis\Connection\Aggregate\ClusterInterface;
 use Predis\Connection\Aggregate\PredisCluster;
+use Predis\Connection\Aggregate\ReplicationInterface;
 use Predis\Response\Status;
 use Symfony\Component\Cache\Exception\InvalidArgumentException;
 use Symfony\Component\Cache\Exception\LogicException;
@@ -282,7 +283,14 @@ EOLUA;
             return $this->redisEvictionPolicy;
         }
 
-        foreach ($this->getHosts() as $host) {
+        $hosts = $this->getHosts();
+        $host = reset($hosts);
+        if ($host instanceof \Predis\Client && $host->getConnection() instanceof ReplicationInterface) {
+            // Predis supports info command only on the master in replication environments
+            $hosts = [$host->getClientFor('master')];
+        }
+
+        foreach ($hosts as $host) {
             $info = $host->info('Memory');
             $info = $info['Memory'] ?? $info;
 

src/Symfony/Component/Cache/Traits/RedisTrait.php

@@ -14,6 +14,7 @@ namespace Symfony\Component\Cache\Traits;
 use Predis\Command\Redis\UNLINK;
 use Predis\Connection\Aggregate\ClusterInterface;
 use Predis\Connection\Aggregate\RedisCluster;
+use Predis\Connection\Aggregate\ReplicationInterface;
 use Predis\Response\Status;
 use Symfony\Component\Cache\Exception\CacheException;
 use Symfony\Component\Cache\Exception\InvalidArgumentException;
@@ -368,7 +369,14 @@ trait RedisTrait
             $evalArgs = [[$namespace], 0];
         }
 
-        foreach ($this->getHosts() as $host) {
+        $hosts = $this->getHosts();
+        $host = reset($hosts);
+        if ($host instanceof \Predis\Client && $host->getConnection() instanceof ReplicationInterface) {
+            // Predis supports info command only on the master in replication environments
+            $hosts = [$host->getClientFor('master')];
+        }
+
+        foreach ($hosts as $host) {
             if (!isset($namespace[0])) {
                 $cleared = $host->flushDb() && $cleared;
                 continue;