From a92e82326b2e31ab02a7e1e0390db517ecabb3a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javi=20Mart=C3=ADn?= <javim@elretirao.net>
Date: Mon, 26 Jul 2021 23:48:47 +0200
Subject: [PATCH] Ignore OldPassword in Active Storage migration

This model is added by the devise-security gem, but we don't use it. We
were getting an error while migrating:

ActiveRecord::StatementInvalid: PG::UndefinedTable: ERROR: relation "old_passwords" does not exist
LINE 8:                WHERE a.attrelid = '"old_passwords"'::regclas...
                                          ^
SELECT a.attname, format_type(a.atttypid, a.atttypmod),
     pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod,
     c.collname, col_description(a.attrelid, a.attnum) AS comment
FROM pg_attribute a
LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum
LEFT JOIN pg_type t ON a.atttypid = t.oid
LEFT JOIN pg_collation c ON a.attcollation = c.oid AND a.attcollation <> t.typcollation
WHERE a.attrelid = '"old_passwords"'::regclass
  AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
lib/tasks/active_storage.rake:27:in `block (4 levels) in <top (required)>'
lib/tasks/active_storage.rake:26:in `each'
lib/tasks/active_storage.rake:26:in `block (3 levels) in <top (required)>'
lib/tasks/active_storage.rake:25:in `block (2 levels) in <top (required)>'

Caused by:
PG::UndefinedTable: ERROR: relation "old_passwords" does not exist
---
 lib/tasks/active_storage.rake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/tasks/active_storage.rake b/lib/tasks/active_storage.rake
index 762e2d33e..7eb4ab919 100644
--- a/lib/tasks/active_storage.rake
+++ b/lib/tasks/active_storage.rake
@@ -24,6 +24,8 @@ namespace :active_storage do
 
     ActiveRecord::Base.transaction do
       models.each do |model|
+        next if model.name == "OldPassword" && !model.table_exists?
+
         attachments = model.column_names.map do |c|
           if c =~ /(.+)_file_name$/
             $1