Ticket #30854: test_wp_first_revision_is_not_lost.2.diff

src/wp-includes/post.php

@@ -2995 +2995 @@
         $post_ID = 0;
         $update = false;
         $guid = $postarr['guid'];
-
+        error_log(json_encode($postarr));
         if ( ! empty( $postarr['ID'] ) ) {
+                error_log('UPDATE!!!');
                 $update = true;
 
                 // Get the post ID and GUID.

tests/phpunit/tests/post/revisions.php

@@ -382 +382 @@
 
                 $this->assertEquals( $revision_ids, array_values( wp_list_pluck( $revisions, 'ID' ) ) );
         }
+
+        /**
+         * @ticket 39011
+         */
+        function test_wp_first_revision_is_not_lost() {
+                $post = self::factory()->post->create_and_get( array(
+                        'post_title' => 'some-post',
+                        'post_type' => 'post',
+                        'post_content' => 'Initial Content',
+                ) );
+                wp_update_post( $post );
+                wp_update_post( array(
+                        'ID' => $post->ID,
+                        'post_content' => 'Update #1',
+                ) );
+
+                wp_update_post( array(
+                        'ID' => $post->ID,
+                        'post_content' => 'Update #2',
+                ) );
+
+                $revisions = wp_get_post_revisions( $post->ID );
+                $earliest_revision = end( $revisions );
+
+                $this->assertEquals( 'Initial Content', $earliest_revision->post_content );
+        }
 }