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# frozen_string_literal: true
module Gitlab
module Ci
module Build
class Rules::Rule::Clause::Changes < Rules::Rule::Clause
include Gitlab::Utils::StrongMemoize
def initialize(globs)
@globs = globs
end
def satisfied_by?(pipeline, context)
modified_paths = find_modified_paths(pipeline)
return true unless modified_paths
expanded_globs = expand_globs(context)
modified_paths.any? do |path|
expanded_globs.any? do |glob|
File.fnmatch?(glob, path, File::FNM_PATHNAME | File::FNM_DOTMATCH | File::FNM_EXTGLOB)
end
end
end
private
def expand_globs(context)
return paths unless context
paths.map do |glob|
ExpandVariables.expand_existing(glob, -> { context.variables_hash })
end
end
def paths
strong_memoize(:paths) do
Array(@globs[:paths])
end
end
def find_modified_paths(pipeline)
return unless pipeline
return pipeline.modified_paths unless ::Feature.enabled?(:ci_rules_changes_compare, pipeline.project)
compare_to_sha = find_compare_to_sha(pipeline)
if compare_to_sha
pipeline.modified_paths_since(compare_to_sha)
else
pipeline.modified_paths
end
end
def find_compare_to_sha(pipeline)
return unless @globs.include?(:compare_to)
commit = pipeline.project.commit(@globs[:compare_to])
raise Rules::Rule::Clause::ParseError, 'rules:changes:compare_to is not a valid ref' unless commit
commit.sha
end
end
end
end
end
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