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-rw-r--r--app/models/concerns/repository_mirroring.rb31
-rw-r--r--app/models/project.rb4
-rw-r--r--app/models/repository.rb8
-rw-r--r--app/services/projects/import_service.rb25
-rw-r--r--lib/gitlab/github_import/importer.rb2
-rw-r--r--lib/gitlab/shell.rb19
6 files changed, 87 insertions, 2 deletions
diff --git a/app/models/concerns/repository_mirroring.rb b/app/models/concerns/repository_mirroring.rb
new file mode 100644
index 00000000000..7aca3f72ae7
--- /dev/null
+++ b/app/models/concerns/repository_mirroring.rb
@@ -0,0 +1,31 @@
+module RepositoryMirroring
+ def storage_path
+ @project.repository_storage_path
+ end
+
+ def add_remote(name, url)
+ raw_repository.remote_add(name, url)
+ rescue Rugged::ConfigError
+ raw_repository.remote_update(name, url: url)
+ end
+
+ def remove_remote(name)
+ raw_repository.remote_delete(name)
+ true
+ rescue Rugged::ConfigError
+ false
+ end
+
+ def set_remote_as_mirror(name)
+ config = raw_repository.rugged.config
+
+ # This is used to define repository as equivalent as "git clone --mirror"
+ config["remote.#{name}.fetch"] = 'refs/*:refs/*'
+ config["remote.#{name}.mirror"] = true
+ config["remote.#{name}.prune"] = true
+ end
+
+ def fetch_remote(remote, forced: false, no_tags: false)
+ gitlab_shell.fetch_remote(storage_path, path_with_namespace, remote, forced: forced, no_tags: no_tags)
+ end
+end
diff --git a/app/models/project.rb b/app/models/project.rb
index f1bba56d32c..83660d8c431 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -551,6 +551,10 @@ class Project < ActiveRecord::Base
import_type == 'gitea'
end
+ def github_import?
+ import_type == 'github'
+ end
+
def check_limit
unless creator.can_create_project? || namespace.kind == 'group'
projects_limit = creator.projects_limit
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 596650353fc..a9c1ce6782d 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -2,6 +2,7 @@ require 'securerandom'
class Repository
include Gitlab::ShellAdapter
+ include RepositoryMirroring
attr_accessor :path_with_namespace, :project
@@ -1033,6 +1034,13 @@ class Repository
rugged.references.delete(tmp_ref) if tmp_ref
end
+ def fetch_mirror(remote, url)
+ add_remote(remote, url)
+ set_remote_as_mirror(remote)
+ fetch_remote(remote, forced: true)
+ remove_remote(remote)
+ end
+
def fetch_ref(source_path, source_ref, target_ref)
args = %W(#{Gitlab.config.git.bin_path} fetch --no-tags -f #{source_path} #{source_ref}:#{target_ref})
Gitlab::Popen.popen(args, path_to_repo)
diff --git a/app/services/projects/import_service.rb b/app/services/projects/import_service.rb
index d484a96f785..794cc1556a4 100644
--- a/app/services/projects/import_service.rb
+++ b/app/services/projects/import_service.rb
@@ -21,7 +21,11 @@ module Projects
# In this case, we only want to import issues, not a repository.
create_repository
elsif !project.repository_exists?
- import_repository
+ if project.github_import? || project.gitea_import?
+ fetch_repository
+ else
+ import_repository
+ end
end
end
@@ -45,6 +49,25 @@ module Projects
end
end
+ def fetch_repository
+ begin
+ raise Error, 'Blocked import URL.' if Gitlab::UrlBlocker.blocked_url?(project.import_url)
+
+ project.create_repository
+ project.repository.add_remote(project.import_type, project.import_url)
+ project.repository.set_remote_as_mirror (project.import_type)
+ project.repository.fetch_remote(project.import_type, forced: true)
+ project.repository.remove_remote(project.import_type)
+ rescue => e
+ # Expire cache to prevent scenarios such as:
+ # 1. First import failed, but the repo was imported successfully, so +exists?+ returns true
+ # 2. Retried import, repo is broken or not imported but +exists?+ still returns true
+ project.repository.before_import if project.repository_exists?
+
+ raise Error, "Error importing repository #{project.import_url} into #{project.path_with_namespace} - #{e.message}"
+ end
+ end
+
def import_data
return unless has_importer?
diff --git a/lib/gitlab/github_import/importer.rb b/lib/gitlab/github_import/importer.rb
index eea4a91f17d..a8c0b47e786 100644
--- a/lib/gitlab/github_import/importer.rb
+++ b/lib/gitlab/github_import/importer.rb
@@ -157,7 +157,7 @@ module Gitlab
end
def restore_source_branch(pull_request)
- project.repository.fetch_ref(repo_url, "pull/#{pull_request.number}/head", pull_request.source_branch_name)
+ project.repository.create_branch(pull_request.source_branch_name, pull_request.source_branch_sha)
end
def restore_target_branch(pull_request)
diff --git a/lib/gitlab/shell.rb b/lib/gitlab/shell.rb
index da8d8ddb8ed..94073d816e5 100644
--- a/lib/gitlab/shell.rb
+++ b/lib/gitlab/shell.rb
@@ -88,6 +88,25 @@ module Gitlab
true
end
+ # Fetch remote for repository
+ #
+ # name - project path with namespace
+ # remote - remote name
+ # forced - should we use --force flag?
+ #
+ # Ex.
+ # fetch_remote("gitlab/gitlab-ci", "upstream")
+ #
+ def fetch_remote(storage, name, remote, forced: false, no_tags: false)
+ args = [gitlab_shell_projects_path, 'fetch-remote', storage, "#{name}.git", remote, '2100']
+ args << '--force' if forced
+ args << '--no-tags' if no_tags
+
+ output, status = Popen.popen(args)
+ raise Error, output unless status.zero?
+ true
+ end
+
# Move repository
# storage - project's storage path
# path - project path with namespace