Merge pull request #332 from wp-cli/fix/330-exclude-missing-plugin

Avoid throwing error when excluding missing plugin

features/plugin-activate.feature

@@ -115,3 +115,13 @@ Feature: Activate WordPress plugins
       Success: Activated 1 of 1 plugins.
       """
     And the return code should be 0
+
+  Scenario: Excluding a missing plugin should not throw an error
+    Given a WP install
+    And I run `wp plugin activate --all --exclude=missing-plugin`
+    Then STDERR should be empty
+    And STDOUT should contain:
+      """
+      Success:
+      """
+    And the return code should be 0

features/plugin-deactivate.feature

@@ -94,3 +94,13 @@ Feature: Deactivate WordPress plugins
       Error: Please specify one or more plugins, or use --all.
       """
     And STDOUT should be empty
+
+  Scenario: Excluding a missing plugin should not throw an error
+    Given a WP install
+    And I run `wp plugin deactivate --all --exclude=missing-plugin`
+    Then STDERR should be empty
+    And STDOUT should contain:
+      """
+      Success:
+      """
+    And the return code should be 0

features/plugin-delete.feature

@@ -47,3 +47,13 @@ Feature: Delete WordPress plugins
       Success: No plugins deleted.
       """
     And the return code should be 0
+
+  Scenario: Excluding a missing plugin should not throw an error
+    Given a WP install
+    And I run `wp plugin delete --all --exclude=missing-plugin`
+    Then STDERR should be empty
+    And STDOUT should contain:
+      """
+      Success:
+      """
+    And the return code should be 0

features/plugin-uninstall.feature

@@ -79,3 +79,15 @@ Feature: Uninstall a WordPress plugin
       Success: No plugins uninstalled.
       """
     And the return code should be 0
+
+
+
+  Scenario: Excluding a missing plugin should not throw an error
+    Given a WP install
+    And I run `wp plugin uninstall --all --exclude=missing-plugin`
+    Then STDERR should be empty
+    And STDOUT should contain:
+      """
+      Success:
+      """
+    And the return code should be 0

features/plugin-update.feature

@@ -218,3 +218,13 @@ Feature: Update WordPress plugins
       """
       Success:
       """
+
+  Scenario: Excluding a missing plugin should not throw an error
+    Given a WP install
+    And I run `wp plugin update --all --exclude=missing-plugin`
+    Then STDERR should be empty
+    And STDOUT should contain:
+      """
+      Success:
+      """
+    And the return code should be 0

features/theme.feature

@@ -673,3 +673,15 @@ Feature: Manage WordPress themes
 
     When I try `wp theme is-active p2`
     Then the return code should be 1
+
+  Scenario: Excluding a missing theme should not throw an error
+    Given a WP install
+    And I run `wp theme delete --all --force`
+    And I run `wp theme install p2 --version=1.5.5 --activate`
+    And I run `wp theme update --all --exclude=missing-theme`
+    Then STDERR should be empty
+    And STDOUT should contain:
+      """
+      Success:
+      """
+    And the return code should be 0

src/WP_CLI/CommandWithUpgrade.php

@@ -360,9 +360,15 @@ protected function update_many( $args, $assoc_args ) {
 			foreach ( $exclude_items as $item ) {
 				if ( 'plugin' === $this->item_type ) {
 					$plugin = $this->fetcher->get( $item );
+					if ( ! $plugin ) {
+						continue;
+					}
 					unset( $items_to_update[ $plugin->file ] );
 				} elseif ( 'theme' === $this->item_type ) {
 					$theme_root = get_theme_root() . '/' . $item;
+					if ( ! is_dir( $theme_root ) ) {
+						continue;
+					}
 					unset( $items_to_update[ $theme_root ] );
 				}
 			}