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# frozen_string_literal: true
module Gitlab
module Slug
class Path
LEADING_DASHES = /\A-+/.freeze
# Eextract local email part if given an email. Will remove @ sign and everything following it.
EXTRACT_LOCAL_EMAIL_PART = /@.*\z/.freeze
FORBIDDEN_CHARACTERS = /[^a-zA-Z0-9_\-.]/.freeze
PATH_TRAILING_VIOLATIONS = %w[.git .atom .].freeze
DEFAULT_SLUG = 'blank'
def initialize(input)
@input = input.dup.to_s
end
def generate
slug = input.gsub(EXTRACT_LOCAL_EMAIL_PART, "")
slug = slug.gsub(FORBIDDEN_CHARACTERS, "")
# Remove trailing violations ('.atom', '.git', or '.')
loop do
orig = slug
PATH_TRAILING_VIOLATIONS.each { |extension| slug = slug.chomp extension }
break if orig == slug
end
slug = slug.sub(LEADING_DASHES, "")
# If all characters were of forbidden nature and filtered out we use this
# fallback to avoid empty paths
slug = DEFAULT_SLUG if slug.blank?
slug
end
alias_method :to_s, :generate
private
attr_reader :input
end
end
end
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