List aliases for found WP directories when they exist

Author: danielbachhuber

features/find.feature

@@ -161,3 +161,19 @@ Feature: Find WordPress installs on the filesystem
       """
       Error: Invalid path specified.
       """
+
+  Scenario: List aliases for directories if they exist
+    Given a WP install in 'subdir1'
+    And a WP install in 'subdir2'
+
+    When I run `wp eval --skip-wordpress 'echo realpath( getenv( "RUN_DIR" ) );'`
+    Then save STDOUT as {TEST_DIR}
+
+    When I run `echo "@test1:\n  path: {TEST_DIR}/subdir2" > wp-cli.yml`
+    Then the return code should be 0
+
+    When I run `wp find {TEST_DIR} --fields=version_path,alias`
+    Then STDOUT should be a table containing rows:
+      | version_path                               | alias               |
+      | {TEST_DIR}/subdir1/wp-includes/version.php |                     |
+      | {TEST_DIR}/subdir2/wp-includes/version.php | @test1              |

src/Find_Command.php

@@ -78,6 +78,13 @@ class Find_Command {
 	 */
 	private $start_time = false;
 
+	/**
+	 * Resolved alias paths
+	 *
+	 * @var array
+	 */
+	private $resolved_aliases = array();
+
 	/**
 	 * Found WordPress installs.
 	 *
@@ -147,10 +154,19 @@ public function __invoke( $args, $assoc_args ) {
 		$this->skip_ignored_paths = Utils\get_flag_value( $assoc_args, 'skip-ignored-paths' );
 		$this->max_depth = Utils\get_flag_value( $assoc_args, 'max_depth', false );
 		$this->verbose = Utils\get_flag_value( $assoc_args, 'verbose' );
+
+		$aliases = WP_CLI::get_runner()->aliases;
+		foreach( $aliases as $alias => $target ) {
+			if ( empty( $target['path'] ) ) {
+				continue;
+			}
+			$this->resolved_aliases[ rtrim( $target['path'], '/' ) ] = $alias;
+		}
+
 		$this->start_time = microtime( true );
 		$this->log( "Searching for WordPress installs in '{$path}'" );
 		$this->recurse_directory( $this->base_path );
-		$formatter = new \WP_CLI\Formatter( $assoc_args, array( 'version_path', 'version', 'depth' ) );
+		$formatter = new \WP_CLI\Formatter( $assoc_args, array( 'version_path', 'version', 'depth', 'alias' ) );
 		$formatter->display_items( $this->found_wp );
 	}
 
@@ -181,10 +197,13 @@ private function recurse_directory( $path ) {
 		if ( '/wp-includes/' === substr( $path, -13 )
 			&& file_exists( $path . 'version.php' ) ) {
 			$version_path = $path . 'version.php';
+			$wp_path = substr( $path, 0, -13 );
+			$alias = isset( $this->resolved_aliases[ $wp_path ] ) ? $this->resolved_aliases[ $wp_path ] : '';
 			$this->found_wp[ $version_path ] = array(
 				'version_path' => $version_path,
 				'version'      => self::get_wp_version( $version_path ),
 				'depth'        => $this->current_depth - 1,
+				'alias'        => $alias,
 			);
 			$this->log( "Found WordPress install at '{$version_path}'" );
 			return;