gitlab-org--gitlab-foss/app/models/ref_matcher.rb
2018-08-13 13:36:22 +02:00

46 lines
1.1 KiB
Ruby

# frozen_string_literal: true
class RefMatcher
def initialize(ref_name_or_pattern)
@ref_name_or_pattern = ref_name_or_pattern
end
# Returns all branches/tags (among the given list of refs [`Gitlab::Git::Branch`])
# that match the current protected ref.
def matching(refs)
refs.select { |ref| matches?(ref.name) }
end
# Checks if the protected ref matches the given ref name.
def matches?(ref_name)
return false if @ref_name_or_pattern.blank?
exact_match?(ref_name) || wildcard_match?(ref_name)
end
# Checks if this protected ref contains a wildcard
def wildcard?
@ref_name_or_pattern && @ref_name_or_pattern.include?('*')
end
protected
def exact_match?(ref_name)
@ref_name_or_pattern == ref_name
end
def wildcard_match?(ref_name)
return false unless wildcard?
wildcard_regex === ref_name
end
def wildcard_regex
@wildcard_regex ||= begin
name = @ref_name_or_pattern.gsub('*', 'STAR_DONT_ESCAPE')
quoted_name = Regexp.quote(name)
regex_string = quoted_name.gsub('STAR_DONT_ESCAPE', '.*?')
/\A#{regex_string}\z/
end
end
end