Fix sudo commands

doc/update/6.0-ce-to-ee.md

@@ -10,7 +10,7 @@ Make a backup just in case things go south:
 
 ```bash
 cd /home/git/gitlab
-sudo -u git -H RAILS_ENV=production bundle exec rake gitlab:backup:create
+sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production
 ```
 
 ### 1. Stop server
@@ -82,5 +82,5 @@ sudo -u git -H git checkout 6-0-stable
 
 ```bash
 cd /home/git/gitlab
-sudo -u git -H RAILS_ENV=production bundle exec rake gitlab:backup:restore
+sudo -u git -H bundle exec rake gitlab:backup:restore RAILS_ENV=production
 ```

doc/update/6.0-to-6.1.md

@@ -16,7 +16,7 @@ It's useful to make a backup just in case things go south:
 
 ```bash
 cd /home/git/gitlab
-sudo -u git -H RAILS_ENV=production bundle exec rake gitlab:backup:create
+sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production
 ```
 
 ### 1. Stop server
@@ -97,5 +97,5 @@ Follow the [`upgrade guide from 5.4 to 6.0`](5.4-to-6.0.md), except for the data
 
 ```bash
 cd /home/git/gitlab
-sudo -u git -H RAILS_ENV=production bundle exec rake gitlab:backup:restore
+sudo -u git -H bundle exec rake gitlab:backup:restore RAILS_ENV=production
 ```