Update the private file migration source files locally and skip files…

… with a size of 0

Ref #489

web/profiles/pece/modules/pece_migrate/migrations/migrate_plus.migration.v1_file_private.yml

@@ -16,7 +16,7 @@ source:
   plugin: d7_file
   scheme: private
   constants:
-    source_base_path: /
+    source_base_path: /var/www/html/web
 process:
   fid:
     -
@@ -26,19 +26,29 @@ process:
     -
       plugin: get
       source: filename
+  # Skip rows that contain files of filesize 0
+  # DO NOT use this for vimeo and youtube scheme migrations
+  _filesize:
+    plugin: skip_on_empty
+    method: row
+    message: 'Row skipped due to missing or corrupt file'
+    source: filesize
   source_full_path:
     -
       plugin: concat
       delimiter: /
       source:
         - constants/source_base_path
         - filepath
+    -
+      plugin: urlencode
   uri:
     -
       plugin: file_copy
       source:
         - '@source_full_path'
         - uri
+      file_exists: 'use existing'
   filemime:
     -
       plugin: get