git command to show information about a week's worth of commits

git-report.rb

#!/usr/bin/env ruby

require 'optparse'
require 'date'


def date_of_last(day)
  date  = Date.parse(day)
  delta = date > Date.today ? 7 : 0
  (date - delta)
end


glog_default = ["log", "--graph", "--pretty=format:'%Cred%h%Creset",
  "-%C(yellow)%d%Creset", "%s", "%Cgreen(%cr)", "%C(bold blue)<%an>%Creset'",
  "--abbrev-commit", "--date=relative"]
weeks_back = 0
committer = `whoami`.strip


has_glog = system "git glog -n 1 &>/dev/null"

if has_glog
  command = "glog"
else
  command = glog_default.join(' ')
end

parser = OptionParser.new do |p|
  p.banner = "Usage: git report [<options>]"

  p.on("-w", "--weeks <n>",
       "Number of weeks before " +
       "the current week to report on [#{weeks_back}]") do |weeks|
    weeks_back = weeks.to_i
  end

  p.on("-a", "--author [<name>]",
       "Filter by committer (blank for any author) [#{committer}]") do |author|
    committer = author
  end 

  p.on("-c", "--changes", "Show full commit diffs") do
    command = "whatchanged -p"
  end

  p.on("-h", "--help") { puts p; exit 0 }

end

args = ARGV
parser.order!(args)

start = date_of_last("Monday") - (7 * weeks_back)
stop = start + 7

system "git #{command} --author=#{committer} --since=#{start.to_s} --until=#{stop.to_s} #{args}"

Fixed swapped trinary