fix(commands): surface core fetch errors, run post-install in the project, exit 1 on invalid project command; document compat flow

packages/commands/src/Toolbox/CoreProvider.php

@@ -36,7 +36,12 @@ final class CoreProvider
                 throw new ToolboxException('No se pudo clonar el core: ' . implode("\n", $out));
             }
         } else {
-            exec('git -C ' . escapeshellarg($dir) . ' fetch -q --tags 2>&1');
+            exec('git -C ' . escapeshellarg($dir) . ' remote set-url origin ' . escapeshellarg($url) . ' 2>&1');
+            $out = [];
+            exec('git -C ' . escapeshellarg($dir) . ' fetch -q --tags 2>&1', $out, $code);
+            if ($code !== 0) {
+                throw new ToolboxException('No se pudo actualizar el core: ' . implode("\n", $out));
+            }
         }
 
         $provider = new self($dir);

packages/commands/src/Toolbox/Installer.php

@@ -191,7 +191,8 @@ final class Installer
                         $manifest->postInstall,
                         $this->console,
                         (bool) ($options['yes'] ?? false),
-                        $options['postRunner'] ?? null
+                        $options['postRunner'] ?? null,
+                        $this->root,
                     );
                 }
             }

packages/commands/src/Toolbox/PostInstall.php

@@ -11,35 +11,51 @@ final class PostInstall
     /**
      * @param list<string>    $commands
      * @param callable(string):int|null $runner
+     * @param string|null     $cwd   Directorio de trabajo del proyecto: los
+     *                               comandos se ejecutan alli, no donde arranco
+     *                               el instalador.
      * @return list<string> comandos ejecutados
      */
     public static function run(
         array $commands,
         Console $console,
         bool $assumeYes = false,
-        ?callable $runner = null
+        ?callable $runner = null,
+        ?string $cwd = null
     ): array {
         $executed = [];
+        $previous = null;
 
-        foreach ($commands as $command) {
-            $console->out('  post-install: ' . $command);
+        if ($cwd !== null && is_dir($cwd)) {
+            $previous = getcwd();
+            chdir($cwd);
+        }
 
-            if (!$console->confirm('  ¿Ejecutar?', $assumeYes)) {
-                $console->warn('post-install omitido: ' . $command);
+        try {
+            foreach ($commands as $command) {
+                $console->out('  post-install: ' . $command);
 
-                continue;
-            }
+                if (!$console->confirm('  ¿Ejecutar?', $assumeYes)) {
+                    $console->warn('post-install omitido: ' . $command);
 
-            if ($runner !== null) {
-                $runner($command);
-            } else {
-                passthru($command, $code);
-                if (($code ?? 0) !== 0) {
-                    throw new ToolboxException("post-install falló: {$command}");
+                    continue;
                 }
-            }
 
-            $executed[] = $command;
+                if ($runner !== null) {
+                    $runner($command);
+                } else {
+                    passthru($command, $code);
+                    if (($code ?? 0) !== 0) {
+                        throw new ToolboxException("post-install falló: {$command}");
+                    }
+                }
+
+                $executed[] = $command;
+            }
+        } finally {
+            if ($previous !== null) {
+                chdir($previous);
+            }
         }
 
         return $executed;