74 lines
1.8 KiB
Ruby
74 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Git
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class Blame
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include Gitlab::EncodingHelper
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attr_reader :lines, :blames
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def initialize(repository, sha, path)
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@repo = repository
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@sha = sha
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@path = path
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@lines = []
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@blames = load_blame
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end
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def each
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@blames.each do |blame|
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yield(blame.commit, blame.line)
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end
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end
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private
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def load_blame
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output = encode_utf8(@repo.gitaly_commit_client.raw_blame(@sha, @path))
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process_raw_blame(output)
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end
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def process_raw_blame(output)
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lines = []
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final = []
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info = {}
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commits = {}
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# process the output
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output.split("\n").each do |line|
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if line[0, 1] == "\t"
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lines << line[1, line.size]
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elsif m = /^(\w{40}) (\d+) (\d+)/.match(line)
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# Removed these instantiations for performance but keeping them for reference:
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# commit_id, old_lineno, lineno = m[1], m[2].to_i, m[3].to_i
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commit_id = m[1]
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commits[commit_id] = nil unless commits.key?(commit_id)
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info[m[3].to_i] = [commit_id, m[2].to_i]
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end
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end
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Gitlab::Git::Commit.batch_by_oid(@repo, commits.keys).each do |commit|
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commits[commit.sha] = commit
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end
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# get it together
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info.sort.each do |lineno, (commit_id, old_lineno)|
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final << BlameLine.new(lineno, old_lineno, commits[commit_id], lines[lineno - 1])
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end
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@lines = final
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end
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end
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class BlameLine
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attr_accessor :lineno, :oldlineno, :commit, :line
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def initialize(lineno, oldlineno, commit, line)
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@lineno = lineno
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@oldlineno = oldlineno
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@commit = commit
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@line = line
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end
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end
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end
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end
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