fix(cli): honor --dry-run when updating and removing core files

packages/commands/src/Toolbox/Installer.php

@@ -284,6 +284,13 @@ final class Installer
             }
 
             $absolute = $this->root . '/' . $relative;
+
+            if ($options['dryRun'] ?? false) {
+                $actions[$relative] = 'planned';
+                $installed[$relative] = 'sha256:' . hash('sha256', $provider->read($relative));
+                continue;
+            }
+
             $action   = $this->sync->write($absolute, $provider->read($relative), $expected[$relative] ?? null, $options);
             $actions[$relative] = $action;
 
@@ -300,6 +307,10 @@ final class Installer
                 if (isset($installed[$relative]) || isset($protected[$relative]) || in_array($relative, $files, true)) {
                     continue;
                 }
+                if ($options['dryRun'] ?? false) {
+                    $actions[$relative] = 'remove-planned';
+                    continue;
+                }
                 $action = $this->sync->remove($this->root . '/' . $relative, $hash, $options);
                 if ($action === FileSync::ABORTED) {
                     $aborted[] = $relative;

tests/group7_commands_test.php

@@ -194,6 +194,48 @@ Harness::it('--dry-run no escribe archivos ni lock', function () {
     rrmdir($tool);
 });
 
+Harness::it('update core --dry-run no escribe archivos', function () {
+    $proj  = tmpdir('proj');
+    $tool  = g7_toolbox();
+    $core  = g7_core('1.0.0', 'router-v1');
+    $core2 = g7_core('2.0.0', 'router-v2');
+
+    (new InstallCommand(new Console()))->run([$proj, '--toolbox=' . $tool, '--core-dir=' . $core, '--yes']);
+
+    $routerBefore = (string) file_get_contents($proj . '/src/Libs/Router.php');
+    (new UpdateCommand(new Console()))->run(['core', '--root=' . $proj, '--toolbox=' . $tool, '--core-dir=' . $core2, '--yes', '--dry-run']);
+
+    ok(str_contains($routerBefore, 'router-v1'), 'estado inicial correcto');
+    ok(str_contains((string) file_get_contents($proj . '/src/Libs/Router.php'), 'router-v1'), 'dry-run no escribe el fichero');
+    eq('1.0.0', Lock::load($proj)->core()['version'], 'dry-run no actualiza la version en el lock');
+
+    rrmdir($proj);
+    rrmdir($tool);
+    rrmdir($core);
+    rrmdir($core2);
+});
+
+Harness::it('update core --dry-run aborta por drift sin escribir', function () {
+    $proj  = tmpdir('proj');
+    $tool  = g7_toolbox();
+    $core  = g7_core('1.0.0', 'router-v1');
+    $core2 = g7_core('2.0.0', 'router-v2');
+
+    (new InstallCommand(new Console()))->run([$proj, '--toolbox=' . $tool, '--core-dir=' . $core, '--yes']);
+    write_file($proj . '/config.php', "<?php\n// customizado\n");
+
+    (new UpdateCommand(new Console()))->run(['core', '--root=' . $proj, '--toolbox=' . $tool, '--core-dir=' . $core2, '--yes', '--dry-run']);
+
+    ok(!is_file($proj . '/config.php.bak'), 'dry-run no crea backups');
+    ok(str_contains((string) file_get_contents($proj . '/config.php'), 'customizado'), 'dry-run conserva la edicion local');
+    ok(str_contains((string) file_get_contents($proj . '/src/Libs/Router.php'), 'router-v1'), 'dry-run no toca ficheros sin drift');
+
+    rrmdir($proj);
+    rrmdir($tool);
+    rrmdir($core);
+    rrmdir($core2);
+});
+
 Harness::it('core sin tags: versión desconocida y commit pineado', function () {
     $proj = tmpdir('proj');
     $tool = g7_toolbox();