118 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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module Gitlab
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  module RepoPath
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    NotFoundError = Class.new(StandardError)
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    # Returns an array containing:
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    # - The repository container
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    # - The related project (if available)
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    # - The repository type
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    # - The original container path (if redirected)
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    #
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    # @returns [HasRepository, Project, String, String]
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    def self.parse(path)
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      repo_path = path.delete_prefix('/').delete_suffix('.git')
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      # Detect the repo type based on the path, the first one tried is the project
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      # type, which does not have a suffix.
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      Gitlab::GlRepository.types.each do |_name, type|
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        # If the project path does not end with the defined suffix, try the next
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        # type.
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        # We'll always try to find a project with an empty suffix (for the
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        # `Gitlab::GlRepository::PROJECT` type.
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        next unless type.valid?(repo_path)
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        # Removing the suffix (.wiki, .design, ...) from the project path
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        full_path = repo_path.chomp(type.path_suffix)
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        container, project = find_container(type, full_path)
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        next unless container
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        redirected_path = repo_path if redirected?(container, repo_path)
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        return [container, project, type, redirected_path]
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      end
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      # When a project did not exist, the parsed repo_type would be empty.
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      # In that case, we want to continue with a regular project repository. As we
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      # could create the project if the user pushing is allowed to do so.
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      [nil, nil, Gitlab::GlRepository.default_type, nil]
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    end
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    # Returns an array containing:
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    # - The repository container
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    # - The related project (if available)
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    #
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    # @returns [HasRepository, Project, String]
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    def self.find_container(type, full_path)
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      return [nil, nil] if full_path.blank?
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      if type.snippet?
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        snippet = find_snippet(full_path)
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        [snippet, snippet&.project]
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      elsif type.wiki?
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        wiki = find_wiki(full_path)
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        [wiki, wiki.try(:project)]
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      elsif type.design?
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        design_management_repository = find_design_management_repository(full_path)
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        [design_management_repository, design_management_repository.project]
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      else
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        project = find_project(full_path)
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        [project, project]
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      end
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    end
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    def self.find_project(project_path)
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      Project.find_by_full_path(project_path, follow_redirects: true)
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    end
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    def self.redirected?(container, container_path)
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      container && container.full_path.casecmp(container_path) != 0
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    end
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    # Snippet_path can be either:
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    # - snippets/1
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    # - h5bp/html5-boilerplate/snippets/53
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    def self.find_snippet(snippet_path)
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      snippet_id, project_path = extract_snippet_info(snippet_path)
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      return unless snippet_id
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      project = find_project(project_path) if project_path
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      Snippet.find_by_id_and_project(id: snippet_id, project: project)
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    end
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    # Wiki path can be either:
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    # - namespace/project
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    # - group/subgroup/project
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    #
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    # And also in EE:
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    # - group
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    # - group/subgroup
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    def self.find_wiki(container_path)
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      container = Routable.find_by_full_path(container_path, follow_redirects: true)
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      # In CE, Group#wiki is not available so this will return nil for a group path.
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      container&.try(:wiki)
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    end
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    def self.find_design_management_repository(full_path)
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      find_project(full_path)&.design_management_repository
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    end
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    def self.extract_snippet_info(snippet_path)
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      path_segments = snippet_path.split('/')
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      snippet_id = path_segments.pop
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      path_segments.pop # Remove 'snippets' from path
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      project_path = File.join(path_segments).presence
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      [snippet_id, project_path]
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    end
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  end
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end
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Gitlab::RepoPath.singleton_class.prepend_mod_with('Gitlab::RepoPath::ClassMethods')
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