separate rake task for migration and persistent one

2 files changed, 53 insertions, 0 deletions

diff --git a/lib/tasks/migrate/migrate_mr.rake b/lib/tasks/migrate/migrate_mr.rake
new file mode 100644
index 00000000000..6c2312b053c
--- /dev/null
+++ b/lib/tasks/migrate/migrate_mr.rake
@@ -0,0 +1,11 @@
+# This taks will reload commits/diff for all merge requests
+desc "GITLAB | Migrate Merge Requests"
+task migrate_merge_requests: :environment do
+  MergeRequest.find_each(batch_size: 20) do |mr|
+    mr.st_commits = []
+    mr.save
+    mr.reload_code
+    print '.'
+  end
+end
+
diff --git a/lib/tasks/migrate/migrate_wiki.rake b/lib/tasks/migrate/migrate_wiki.rake
new file mode 100644
index 00000000000..5d9881e45db
--- /dev/null
+++ b/lib/tasks/migrate/migrate_wiki.rake
@@ -0,0 +1,42 @@
+namespace :gitlab do
+  namespace :wiki do
+
+    # This task will migrate all of the existing Wiki
+    # content stored in your database into the new
+    # Gollum Wiki system. A new repository named
+    # namespace/project.wiki.git will be created for
+    # each project that currently has Wiki pages in
+    # the database.
+    #
+    # Notes:
+    #  * The existing Wiki content will remain in your
+    #    database in-tact.
+    desc "GITLAB | Migrate Wiki content from database to Gollum repositories."
+    task :migrate => :environment do
+      wiki_migrator = WikiToGollumMigrator.new
+      wiki_migrator.migrate!
+    end
+
+    # This task will destroy all of the Wiki repos
+    # that the Wiki migration task created. Run this
+    # to clean up your environment if you experienced
+    # problems during the original migration. After
+    # executing this task, you can attempt the original
+    # migration again.
+    #
+    # Notes:
+    #  * This will not affect Wikis that have been created
+    #    as Gollum Wikis only. It will only remove the wikis
+    #    for the repositories that have old Wiki data in the
+    #    dataabase.
+    #  * If you have any repositories already named
+    #    namespace/project.wiki that you do not wish
+    #    to be removed you may want to perform a manual
+    #    cleanup instead.
+    desc "GITLAB | Remove the Wiki repositories created by the `gitlab:wiki:migrate` task."
+    task :rollback => :environment do
+      wiki_migrator = WikiToGollumMigrator.new
+      wiki_migrator.rollback!
+    end
+  end
+end