Merge pull request #196 from mutewinter/bulk_repo_import

Bulk repo import Rake task

lib/tasks/bulk_import.rake

+IMPORT_DIRECTORY = 'import_projects'
+REPOSITORY_DIRECTORY = '/home/git/repositories'
+
+desc "Imports existing Git repos into new projects from the import_projects folder"
+task :import_projects, [:email] => :environment  do |t, args|
+  user_email = args.email
+  repos_to_import = Dir.glob("#{IMPORT_DIRECTORY}/*")
+
+  puts "Found #{repos_to_import.length} repos to import"
+
+  imported_count = 0
+  skipped_count = 0
+  failed_count = 0
+  repos_to_import.each do |repo_path|
+    repo_name = File.basename repo_path
+    repo_full_path = File.join(Rails.root, repo_path)
+
+    puts "  Processing #{repo_name}"
+
+    clone_path = "#{REPOSITORY_DIRECTORY}/#{repo_name}.git"
+
+    if Dir.exists? clone_path
+      if Project.find_by_code(repo_name)
+        puts "  INFO: #{clone_path} already exists in repositories directory, skipping."
+        skipped_count += 1
+        next
+      else
+        puts "  INFO: Project doesn't exist for #{repo_name} (but the repo does)."
+      end
+    else
+      # Clone the repo
+      unless clone_bare_repo_as_git(repo_full_path, clone_path)
+        failed_count += 1
+        next
+      end
+    end
+
+    # Create the project and repo
+    if create_repo_project(repo_name, user_email)
+      imported_count += 1
+    else
+      failed_count += 1
+    end
+
+  end
+
+  puts "Finished importing #{imported_count} projects (skipped #{skipped_count}, failed #{failed_count})."
+end
+
+# Clones a repo as bare git repo using the git user
+def clone_bare_repo_as_git(existing_path, new_path)
+  begin
+    sh "sudo -u git -i git clone --bare '#{existing_path}' #{new_path}"
+    true
+  rescue
+    puts "  ERROR: Faild to clone #{existing_path} to #{new_path}"
+    false
+  end
+end
+
+# Creats a project in Gitlag given a @project_name@ to use (for name, web url, and code
+# url) and a @user_email@ that will be assigned as the owner of the project.
+def create_repo_project(project_name, user_email)
+  user = User.find_by_email(user_email)
+  if user
+    # Using find_by_code since that's the most important identifer to be unique
+    if Project.find_by_code(project_name)
+      puts "  INFO: Project #{project_name} already exists in Gitlab, skipping."
+      false
+    else
+      project = nil
+      if Project.find_by_code(project_name)
+        puts "  ERROR: Project already exists #{project_name}"
+        return false
+        project = Project.find_by_code(project_name)
+      else
+        project = Project.create(
+          name: project_name,
+          code: project_name,
+          path: project_name,
+          owner: user,
+          description: "Automatically created from Rake on #{Time.now.to_s}"
+        )
+      end
+
+      unless project.valid?
+        puts "  ERROR: Failed to create project #{project} because #{project.errors.first}"
+        return false
+      end
+
+      # Add user as admin for project
+      project.users_projects.create!(
+        :repo_access => Repository::REPO_RW,
+        :project_access => Project::PROJECT_RWA,
+        :user => user
+      )
+
+      # Per projects_controller.rb#37
+      project.update_repository
+
+      if project.valid?
+        true
+      else
+        puts "  ERROR: Failed to create project #{project} because #{project.errors.first}"
+        false
+      end
+    end
+  else
+    puts "  ERROR: #{user_email} not found, skipping"
+    false
+  end
+end