gitlab-org--gitlab-foss/lib/gitlab/file_detector.rb

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# frozen_string_literal: true
require 'set'
module Gitlab
# Module that can be used to detect if a path points to a special file such as
# a README or a CONTRIBUTING file.
module FileDetector
PATTERNS = {
# Project files
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readme: /\A(#{Regexp.union(*Gitlab::MarkupHelper::PLAIN_FILENAMES).source})(\.(#{Regexp.union(*Gitlab::MarkupHelper::EXTENSIONS).source}))?\z/i,
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changelog: %r{\A(changelog|history|changes|news)[^/]*\z}i,
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license: %r{\A((un)?licen[sc]e|copying)(\.[^/]+)?\z}i,
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contributing: %r{\Acontributing[^/]*\z}i,
version: 'version',
avatar: /\Alogo\.(png|jpg|gif)\z/,
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issue_template: %r{\A\.gitlab/issue_templates/[^/]+\.md\z},
merge_request_template: %r{\A\.gitlab/merge_request_templates/[^/]+\.md\z},
metrics_dashboard: %r{\A\.gitlab/dashboards/[^/]+\.yml\z},
xcode_config: %r{\A[^/]*\.(xcodeproj|xcworkspace)(/.+)?\z},
# Configuration files
gitignore: '.gitignore',
gitlab_ci: '.gitlab-ci.yml',
route_map: '.gitlab/route-map.yml',
# Dependency files
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cartfile: %r{\ACartfile[^/]*\z},
composer_json: 'composer.json',
gemfile: /\A(Gemfile|gems\.rb)\z/,
gemfile_lock: 'Gemfile.lock',
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gemspec: %r{\A[^/]*\.gemspec\z},
godeps_json: 'Godeps.json',
package_json: 'package.json',
podfile: 'Podfile',
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podspec_json: %r{\A[^/]*\.podspec\.json\z},
podspec: %r{\A[^/]*\.podspec\z},
requirements_txt: %r{\A[^/]*requirements\.txt\z},
yarn_lock: 'yarn.lock'
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}.freeze
# Returns an Array of file types based on the given paths.
#
# This method can be used to check if a list of file paths (e.g. of changed
# files) involve any special files such as a README or a LICENSE file.
#
# Example:
#
# types_in_paths(%w{README.md foo/bar.txt}) # => [:readme]
def self.types_in_paths(paths)
types = Set.new
paths.each do |path|
type = type_of(path)
types << type if type
end
types.to_a
end
# Returns the type of a file path, or nil if none could be detected.
#
# Returned types are Symbols such as `:readme`, `:version`, etc.
#
# Example:
#
# type_of('README.md') # => :readme
# type_of('VERSION') # => :version
def self.type_of(path)
PATTERNS.each do |type, search|
did_match = if search.is_a?(Regexp)
path =~ search
else
path.casecmp(search) == 0
end
return type if did_match
end
nil
end
end
end