debian-mirror-gitlab/app/models/compare.rb

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# frozen_string_literal: true
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require 'set'
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class Compare
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include Gitlab::Utils::StrongMemoize
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include ActsAsPaginatedDiff
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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
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def initialize(compare, project, base_sha: nil, straight: false)
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@compare = compare
@project = project
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@base_sha = base_sha
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@straight = straight
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end
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def cache_key
[@project, :compare, diff_refs.hash]
end
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def commits
@commits ||= Commit.decorate(@compare.commits, project)
end
def start_commit
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strong_memoize(:start_commit) do
commit = @compare.base
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::Commit.new(commit, project) if commit
end
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end
def head_commit
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strong_memoize(:head_commit) do
commit = @compare.head
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::Commit.new(commit, project) if commit
end
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end
alias_method :commit, :head_commit
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def start_commit_sha
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start_commit&.sha
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end
def base_commit_sha
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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
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end
def head_commit_sha
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commit&.sha
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end
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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(
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base_sha: @straight ? start_commit_sha : base_commit_sha,
start_sha: start_commit_sha,
head_sha: head_commit_sha
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)
end
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def modified_paths
paths = Set.new
diffs.diff_files.each do |diff|
paths.add diff.old_path
paths.add diff.new_path
end
paths.to_a
end
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end