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91 lines
2.1 KiB
Ruby
Executable File
91 lines
2.1 KiB
Ruby
Executable File
#! /usr/bin/env ruby
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require 'date'
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require 'pp'
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require 'set'
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REGEX = /(\w+)\s+'(.+)'\s+(.*)/
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Commit = Struct.new(:hash, :time, :author, :stats)
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CommitStats = Struct.new(:files, :nr_added, :nr_deleted)
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def calc_stats(diff)
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changed = Set.new
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added = 0
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deleted = 0
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diff.lines.each do |l|
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case l.encode('UTF-8', 'binary', invalid: :replace, undef: :replace, replace: '')
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when /^\+\+\+ (\S+)/
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changed << $1
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when /^\+/
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added = added + 1
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when /^---/
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# do nothing
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when /^\-/
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deleted = deleted + 1
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end
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end
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CommitStats.new(changed, added, deleted)
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end
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def select_commits(&block)
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commits = []
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input = `git log --format="%h '%aI' %an"`
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input.lines.each do |l|
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m = REGEX.match(l)
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raise "couldn't parse: ${l}" unless m
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hash = m[1]
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time = DateTime.iso8601(m[2])
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author = m[3]
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if block.call(hash, time, author)
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diff = `git log -1 -p #{hash} | filterdiff -X configure`
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commits << Commit.new(hash, time, author, calc_stats(diff))
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end
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end
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commits
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end
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def since(date)
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lambda do |hash, time, author|
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time >= date
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end
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end
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def pad(str, col)
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str + (' ' * (col - str.size))
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end
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def code_delta(s)
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s.nr_added + s.nr_deleted
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end
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def cmp_stats(lhs, rhs)
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code_delta(rhs) <=> code_delta(lhs)
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end
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#-----------------------------------
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commits = select_commits(&since(DateTime.now - 14))
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authors = Hash.new {|hash, key| hash[key] = CommitStats.new(Set.new, 0, 0)}
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commits.each do |c|
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author_stats = authors[c.author]
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author_stats.files.merge(c.stats.files)
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author_stats.nr_added = author_stats.nr_added + c.stats.nr_added
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author_stats.nr_deleted = author_stats.nr_deleted + c.stats.nr_deleted
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end
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puts "#{pad("Author", 20)}\tChanged files\tInsertions\tDeletions"
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authors.keys.sort {|a1, a2| cmp_stats(authors[a1], authors[a2])}.each do |k|
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v = authors[k]
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puts "#{pad(k, 20)}\t#{v.files.size}\t\t#{v.nr_added}\t\t#{v.nr_deleted}"
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end
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