Git commits by day

#!/usr/bin/ruby

require 'rubygems'
require 'nokogiri'

AUTHOR = 'Bradly Feeley'
PROJECT_PATH = '~/www/digitaria-ddp/'

commit_format = "<commit id='%h' date='%ct' author='%an'>%n  %s%n</commit>%n%n"

xml  = '<commits>'
xml += `cd #{PROJECT_PATH} && git log --all --author='#{AUTHOR}' --pretty=format:"#{commit_format}"` 
xml += '</commits>'

doc = Nokogiri::XML.parse(xml)

commits = doc.search('* commit').collect do |commit|
  {
    :id      => commit['id'],
    :date    => Date.parse(Time.at(commit['date'].to_i).strftime('%Y/%m/%d')),
    :author  => commit['author'],
    :message => commit.content.strip
  }
end

commits.delete_if { |c| c[:message] =~ /^Merge branch/ }

dates = commits.collect { |c| c[:date] }.uniq.reverse

dates.each do |date|
  current_commits = commits.select { |c| c[:date] == date }
  puts date
  puts current_commits.reverse.collect { |c| c[:message] }.join("\n")
  puts "\n----------------------------\n\n"
end