Add support for 'url' to --porcelain to output the URL instead of attachment ID

features/media-import.feature

@@ -213,4 +213,59 @@ Feature: Manage WordPress attachments
       """
       Warning: Unable to import file 'gobbledygook.png'. Reason: File doesn't exist.
       """
-    And the return code should be 1
+    And the return code should be 1
+
+  Scenario: Return upload URL after importing a single valid file
+    Given download:
+      | path                        | url                                              |
+      | {CACHE_DIR}/large-image.jpg | http://wp-cli.org/behat-data/large-image.jpg     |
+
+    When I run `wp media import {CACHE_DIR}/large-image.jpg --porcelain=url`
+    Then STDOUT should contain:
+      """
+      https://example.com/wp-content/uploads/
+      """
+
+    And STDOUT should contain:
+      """
+      /large-image.jpg
+      """
+
+  Scenario: Return upload URL after importing a multiple valid files
+    Given download:
+      | path                                | url                                                  |
+      | {CACHE_DIR}/large-image.jpg         | http://wp-cli.org/behat-data/large-image.jpg         |
+      | {CACHE_DIR}/audio-with-no-cover.mp3 | http://wp-cli.org/behat-data/audio-with-no-cover.mp3 |
+
+    When I run `wp media import 'http://wp-cli.org/behat-data/codeispoetry.png' {CACHE_DIR}/large-image.jpg {CACHE_DIR}/audio-with-no-cover.mp3 --porcelain=url`
+    Then STDOUT should contain:
+      """
+      https://example.com/wp-content/uploads/
+      """
+
+    Then STDOUT should contain:
+      """
+      /large-image.jpg
+      """
+
+    And STDOUT should contain:
+      """
+      /codeispoetry.png
+      """
+
+    And STDOUT should contain:
+      """
+      /audio-with-no-cover.mp3
+      """
+
+    And STDOUT should not contain:
+      """
+      Success:
+      """
+
+  Scenario: Errors when invalid --porcelain flag is applied.
+    When I try `wp media import 'http://wp-cli.org/behat-data/codeispoetry.png' --porcelain=invalid`
+    Then STDERR should be:
+      """
+      Error: Invalid value for <porcelain>: invalid. Expected flag or 'url'.
+      """

src/Media_Command.php

@@ -208,8 +208,12 @@ public function regenerate( $args, $assoc_args = array() ) {
 	 * [--featured_image]
 	 * : If set, set the imported image as the Featured Image of the post it is attached to.
 	 *
-	 * [--porcelain]
-	 * : Output just the new attachment ID.
+	 * [--porcelain[=<field>]]
+	 * : Output a single field for each imported image. Defaults to attachment ID when used as flag.
+	 * ---
+	 * options:
+	 *   - url
+	 * ---
 	 *
 	 * ## EXAMPLES
 	 *
@@ -264,6 +268,11 @@ public function import( $args, $assoc_args = array() ) {
 			$noun = 'image';
 		}
 
+		$porcelain = Utils\get_flag_value( $assoc_args, 'porcelain' );
+		if ( is_string( $porcelain ) && ! in_array( $porcelain, array( 'url' ), true ) ) {
+			WP_CLI::error( sprintf( 'Invalid value for <porcelain>: %s. Expected flag or \'url\'.', $porcelain ) );
+		}
+
 		if ( isset( $assoc_args['post_id'] ) ) {
 			if ( ! get_post( $assoc_args['post_id'] ) ) {
 				WP_CLI::warning( 'Invalid --post_id' );
@@ -412,8 +421,13 @@ public function import( $args, $assoc_args = array() ) {
 				}
 			}
 
-			if ( Utils\get_flag_value( $assoc_args, 'porcelain' ) ) {
-				WP_CLI::line( $success );
+			if ( $porcelain ) {
+				if ( 'url' === strtolower( $porcelain ) ) {
+					$file_location = $this->get_real_attachment_url( $success );
+					WP_CLI::line( $file_location );
+				} else {
+					WP_CLI::line( $success );
+				}
 			} else {
 				WP_CLI::log(
 					sprintf(
@@ -1224,4 +1238,27 @@ private function get_attached_file( $attachment_id ) {
 
 		return get_attached_file( $attachment_id );
 	}
+
+	/**
+	 * Image-friendly alternative to wp_get_attachment_url(). Will return the full size URL of an image instead of the `-scaled` version.
+	 *
+	 * In WordPress 5.3, behavior changed to account for automatic resizing of
+	 * big image files.
+	 *
+	 * @see https://core.trac.wordpress.org/ticket/47873
+	 *
+	 * @param int $attachment_id ID of the attachment to get the URL for.
+	 * @return string|false URL of the attachment, or false if not found.
+	 */
+	private function get_real_attachment_url( $attachment_id ) {
+		if ( function_exists( 'wp_get_original_image_url' ) ) {
+			$url = wp_get_original_image_url( $attachment_id );
+
+			if ( false !== $url ) {
+				return $url;
+			}
+		}
+
+		return wp_get_attachment_url( $attachment_id );
+	}
 }