76 lines
1.8 KiB
Ruby
76 lines
1.8 KiB
Ruby
require "grit"
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class GraphCommit
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attr_accessor :time, :space
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def initialize(commit)
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@_commit = commit
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@time = -1
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@space = 0
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end
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def method_missing(m, *args, &block)
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@_commit.send(m, *args, &block)
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end
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# Method is adding time and space on the
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# list of commits. As well as returns date list
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# corelated with time set on commits.
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#
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# @param [Array<GraphCommit>] comits to index
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#
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# @return [Array<TimeDate>] list of commit dates corelated with time on commits
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def self.index_commits(commits)
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days, heads = [], []
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map = {}
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commits.reverse.each_with_index do |c,i|
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c.time = i
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days[i] = c.committed_date
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map[c.id] = c
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heads += c.refs unless c.refs.nil?
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end
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heads.select!{|h| h.is_a? Grit::Head or h.is_a? Grit::Remote}
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# sort heads so the master is top and current branches are closer
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heads.sort! do |a,b|
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if a.name == "master"
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-1
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elsif b.name == "master"
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1
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else
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b.commit.committed_date <=> a.commit.committed_date
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end
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end
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j = 0
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heads.each do |h|
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if map.include? h.commit.id then
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j = mark_chain(j+=1, map[h.commit.id], map)
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end
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end
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days
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end
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# Add space mark on commit and its parents
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#
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# @param [Fixnum] space (row on the graph) to be set
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# @param [GraphCommit] the commit object.
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# @param [Hash<String,GraphCommit>] map of commits
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#
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# @return [Fixnum] max space used.
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def self.mark_chain(mark, commit, map)
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commit.space = mark if commit.space == 0
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m1 = mark - 1
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marks = commit.parents.collect do |p|
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if map.include? p.id and map[p.id].space == 0 then
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mark_chain(m1 += 1, map[p.id],map)
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else
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m1 + 1
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end
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end
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marks << mark
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marks.compact.max
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end
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end
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