Merge branch 'fix/import-export-db-errors' into 'master'

Fix import/export database errors

Fixes protected branches errors when importing a project including them

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/21295

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/21799

See merge request !6099

1 files changed, 16 insertions, 2 deletions

diff --git a/doc/user/project/settings/import_export.md b/doc/user/project/settings/import_export.md
index 08ff89ce6ae..445c0ee8333 100644
--- a/doc/user/project/settings/import_export.md
+++ b/doc/user/project/settings/import_export.md
@@ -3,8 +3,8 @@
 >**Notes:**
 >
 >  - [Introduced][ce-3050] in GitLab 8.9.
->  - Importing will not be possible if the import instance version is lower
->    than that of the exporter.
+>  - Importing will not be possible if the import instance version differs from
+>    that of the exporter.
 >  - For existing installations, the project import option has to be enabled in
 >    application settings (`/admin/application_settings`) under 'Import sources'.
 >    You will have to be an administrator to enable and use the import functionality.
@@ -17,6 +17,20 @@
 Existing projects running on any GitLab instance or GitLab.com can be exported
 with all their related data and be moved into a new GitLab instance.
 
+## Version history
+
+| GitLab version | Import/Export version |
+| -------- | -------- |
+| 8.12.0 to current  | 0.1.4    |
+| 8.10.3   | 0.1.3    |
+| 8.10.0   | 0.1.2    |
+| 8.9.5    | 0.1.1    |
+| 8.9.0    | 0.1.0    |
+ 
+ > The table reflects what GitLab version we updated the Import/Export version at.
+ > For instance, 8.10.3 and 8.11 will have the same Import/Export version (0.1.3)
+ > and the exports between them will be compatible.
+
 ## Exported contents
 
 The following items will be exported: