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Versions: 29
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Contents
module Grit
class Blame
attr_reader :lines
def initialize(repo, file, commit, lines=nil)
@repo = repo
@file = file
@commit = commit
if lines.nil?
@lines = []
load_blame
else
@lines = lines
end
end
def load_blame
output = @repo.git.blame({'p' => true}, @commit, '--', @file)
process_raw_blame(output)
end
def process_raw_blame(output)
lines, final = [], []
info, commits = {}, {}
# process the output
output.split("\n").each do |line|
if line[0, 1] == "\t"
lines << line[1, line.size]
elsif m = /^(\w{40}) (\d+) (\d+)/.match(line)
commit_id, old_lineno, lineno = m[1], m[2].to_i, m[3].to_i
commits[commit_id] = nil if !commits.key?(commit_id)
info[lineno] = [commit_id, old_lineno]
end
end
# load all commits in single call
@repo.batch(*commits.keys).each do |commit|
commits[commit.id] = commit
end
# get it together
info.sort.each do |lineno, (commit_id, old_lineno)|
commit = commits[commit_id]
final << BlameLine.new(lineno, old_lineno, commit, lines[lineno - 1])
end
@lines = final
end
# Pretty object inspection
def inspect
%Q{#<Grit::Blame "#{@file} <#{@commit}>">}
end
class BlameLine
attr_accessor :lineno, :oldlineno, :commit, :line
def initialize(lineno, oldlineno, commit, line)
@lineno = lineno
@oldlineno = oldlineno
@commit = commit
@line = line
end
end
end # Blame
end # Grit
Version data entries
29 entries across 29 versions & 4 rubygems