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# frozen_string_literal: true
class Compare
include Gitlab::Utils::StrongMemoize
delegate :same, :head, :base, to: :@compare
attr_reader :project
def self.decorate(compare, project)
if compare.is_a?(Compare)
compare
else
self.new(compare, project)
end
end
def initialize(compare, project, base_sha: nil, straight: false)
@compare = compare
@project = project
@base_sha = base_sha
@straight = straight
end
def commits
@commits ||= Commit.decorate(@compare.commits, project)
end
def start_commit
strong_memoize(:start_commit) do
commit = @compare.base
::Commit.new(commit, project) if commit
end
end
def head_commit
strong_memoize(:head_commit) do
commit = @compare.head
::Commit.new(commit, project) if commit
end
end
alias_method :commit, :head_commit
def start_commit_sha
start_commit&.sha
end
def base_commit_sha
strong_memoize(:base_commit) do
next unless start_commit && head_commit
@base_sha || project.merge_base_commit(start_commit.id, head_commit.id)&.sha
end
end
def head_commit_sha
commit&.sha
end
def raw_diffs(*args)
@compare.diffs(*args)
end
def diffs(diff_options = nil)
Gitlab::Diff::FileCollection::Compare.new(self,
project: project,
diff_options: diff_options,
diff_refs: diff_refs)
end
def diff_refs
Gitlab::Diff::DiffRefs.new(
base_sha: @straight ? start_commit_sha : base_commit_sha,
start_sha: start_commit_sha,
head_sha: head_commit_sha
)
end
end
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