Merge remote-tracking branch 'upstream/master' into no-ivar-in-modules

* upstream/master: (1723 commits)
  Resolve "Editor icons"
  Refactor issuable destroy action
  Ignore routes matching legacy_*_redirect in route specs
  Gitlab::Git::RevList and LfsChanges use lazy popen
  Gitlab::Git::Popen can lazily hand output to a block
  Merge branch 'master-i18n' into 'master'
  Remove unique validation from external_url in Environment
  Expose `duration` in Job API entity
  Add TimeCop freeze for DST and Regular time
  Harcode project visibility
  update a changelog
  Put a condition to old migration that adds fast_forward column to MRs
  Expose project visibility as CI variable
  fix flaky tests by removing unneeded clicks and focus actions
  fix flaky test in gfm_autocomplete_spec.rb
  Use Gitlab::Git operations for repository mirroring
  Encapsulate git operations for mirroring in Gitlab::Git
  Create a Wiki Repository's raw_repository properly
  Add `Gitlab::Git::Repository#fetch` command
  Fix Gitlab::Metrics::System#real_time and #monotonic_time doc
  ...

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/gitlab/background_migration/populate_fork_networks_range.rb b/lib/gitlab/background_migration/populate_fork_networks_range.rb
new file mode 100644
index 00000000000..2ef3a207dd3
--- /dev/null
+++ b/lib/gitlab/background_migration/populate_fork_networks_range.rb
@@ -0,0 +1,59 @@
+module Gitlab
+  module BackgroundMigration
+    class PopulateForkNetworksRange
+      def perform(start_id, end_id)
+        log("Creating fork networks for forked project links: #{start_id} - #{end_id}")
+
+        ActiveRecord::Base.connection.execute <<~INSERT_NETWORKS
+        INSERT INTO fork_networks (root_project_id)
+          SELECT DISTINCT forked_project_links.forked_from_project_id
+
+          FROM forked_project_links
+
+          WHERE NOT EXISTS (
+            SELECT true
+            FROM forked_project_links inner_links
+            WHERE inner_links.forked_to_project_id = forked_project_links.forked_from_project_id
+          )
+          AND NOT EXISTS (
+            SELECT true
+            FROM fork_networks
+            WHERE forked_project_links.forked_from_project_id = fork_networks.root_project_id
+          )
+          AND EXISTS (
+            SELECT true
+            FROM projects
+            WHERE projects.id = forked_project_links.forked_from_project_id
+          )
+          AND forked_project_links.id BETWEEN #{start_id} AND #{end_id}
+        INSERT_NETWORKS
+
+        log("Creating memberships for root projects: #{start_id} - #{end_id}")
+
+        ActiveRecord::Base.connection.execute <<~INSERT_ROOT
+          INSERT INTO fork_network_members (fork_network_id, project_id)
+          SELECT DISTINCT fork_networks.id, fork_networks.root_project_id
+
+          FROM fork_networks
+
+          INNER JOIN forked_project_links
+              ON forked_project_links.forked_from_project_id = fork_networks.root_project_id
+
+          WHERE NOT EXISTS (
+            SELECT true
+            FROM fork_network_members
+            WHERE fork_network_members.project_id = fork_networks.root_project_id
+          )
+          AND forked_project_links.id BETWEEN #{start_id} AND #{end_id}
+        INSERT_ROOT
+
+        delay = BackgroundMigration::CreateForkNetworkMembershipsRange::RESCHEDULE_DELAY
+        BackgroundMigrationWorker.perform_in(delay, "CreateForkNetworkMembershipsRange", [start_id, end_id])
+      end
+
+      def log(message)
+        Rails.logger.info("#{self.class.name} - #{message}")
+      end
+    end
+  end
+end