minor #16225 [appveyor] fix ini matrix race conditions (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
----------

[appveyor] fix ini matrix race conditions

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

8e59d4a [appveyor] fix ini matrix race conditions

appveyor.yml

@@ -13,7 +13,6 @@ init:
     - SET SYMFONY_DEPRECATIONS_HELPER=weak
     - SET PHP=1
     - SET ANSICON=121x90 (121x90)
-    - SET PHP_INI_MATRIX=php.ini-min php.ini-max
     - SET SYMFONY_PHPUNIT_SKIPPED_TESTS=phpunit.skipped
 
 install:
@@ -56,4 +55,9 @@ install:
 
 test_script:
     - cd c:\projects\symfony
-    - php phpunit symfony --exclude-group benchmark,intl-data
+    - SET X=0
+    - copy /Y c:\php\php.ini-min c:\php\php.ini
+    - php phpunit symfony --exclude-group benchmark,intl-data || SET X=1
+    - copy /Y c:\php\php.ini-max c:\php\php.ini
+    - php phpunit symfony --exclude-group benchmark,intl-data || SET X=1
+    - exit %X%

phpunit

@@ -76,22 +76,10 @@ if (isset($argv[1]) && 'symfony' === $argv[1]) {
 $cmd[0] = sprintf('%s %s --colors=always', $PHP, ProcessUtils::escapeArgument("$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit"));
 $cmd = str_replace('%', '%%', implode(' ', $cmd)).' %1$s';
 
-$phpIniMatrix = isset($_SERVER['PHP_INI_MATRIX']) ? explode(' ', $_SERVER['PHP_INI_MATRIX']) : array();
-if ($phpIniMatrix) {
-    if ('\\' !== DIRECTORY_SEPARATOR) {
-        echo "Error: PHP_INI_MATRIX is a Windows-only feature.\n";
-        exit(1);
-    }
-
-    $phpDir = ProcessUtils::escapeArgument(dirname(`where.exe php`));
-
-    $newCmd = 'cmd /v:on /d /c "(SET X=0';
-    foreach ($phpIniMatrix as $iniFile) {
-        $newCmd .= " & copy /Y $phpDir\\$iniFile $phpDir\\php.ini & echo. & echo Running tests with $iniFile: & ($cmd || SET X=1)";
-    }
-    $cmd = $newCmd .= ' & exit !X!)%2$s"';
+if ('\\' === DIRECTORY_SEPARATOR) {
+    $cmd = 'cmd /v:on /d /c "('.$cmd.')%2$s"';
 } else {
-    $cmd .= ' %2$s';
+    $cmd .= '%2$s';
 }
 
 if (isset($argv[1]) && 'symfony' === $argv[1]) {
@@ -168,9 +156,6 @@ if (isset($argv[1]) && 'symfony' === $argv[1]) {
                 }
                 unlink($file);
             }
-            if ($skippedTests) {
-                @unlink("$component/$skippedTests");
-            }
 
             if ($procStatus) {
                 $exit = 1;