Tuesday, October 2, 2007


I played around yesterday when I got bored and wrote a little script which pits developers on a project against each other to see who has the most subversion commits. It doesn't really mean too much who wins since you can have plenty of little commits that fix things, but it is just fun to do to see who wins! This script assumes the developers on the project have separate subversion logins. Enjoy!

#!/usr/bin/env ruby
developers = ARGV.select {|arg| !arg.empty? && !arg.nil?}
raise "You need two developers to fight" if developers.size < 2

log = `svn log`
separator = log.scan(/^-.*?-$/).first
log_entries = log.split(separator)[1..-2]
names = log_entries.collect {|entry| entry.split(" | ")[1]}

numbers = developers.collect {|developer| names.select {|entry| entry == developer}.size}

results = []
developers.each_with_index {|developer, i| results << "#{numbers[i].to_s.ljust(3)}- #{developer}"}

puts results.sort {|x, y| y.scan(/\d+/).first.to_i <=> x.scan(/\d+/).first.to_i}

Use it like this (assuming you chmod'ed it to be executable, and put it into your ./script directory):

./script/sfight developer1 developer2 developer3


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