Colourise SVN blame

colour_blame_age.rb

#!/usr/bin/env ruby-local-exec

require 'colorize'

def get_revision_number(line)
  line.split(" ").first.to_i
end

def revision_position(revisions, number)
  revisions[number] || revisions.last
end

lines = ARGF.readlines
revisions = lines.map { |line| get_revision_number(line) }.sort.uniq

lines.each do |line|
  revision = get_revision_number(line)

  colour = case revision
  when revision_position(revisions, -5)..revisions.last   then 'light_green'
  when revision_position(revisions, -10)..revisions.last  then 'green'
  when revision_position(revisions, -20)..revisions.last  then 'light_yellow'
  when revision_position(revisions, -30)..revisions.last  then 'yellow'
  when revision_position(revisions, -80)..revisions.last  then 'light_red'
  when revision_position(revisions, -100)..revisions.last then 'red'
  else
    'white'
  end

  print line.send(colour)
  
end

colour_blame_user.rb

#!/usr/bin/env ruby-local-exec

require 'colorize'

def get_user(line)
  line.split(" ")[1]
end

def revision_position(revisions, number)
  revisions[number] || revisions.last
end

lines = ARGF.readlines
users = lines.map { |line| get_user(line) }.uniq

available_colours = [
 :red,
 :green,
 :yellow,
 :blue,
 :magenta,
 :cyan,
 :white,
 :default,
 :light_black,
 :light_red,
 :light_blue,
 :light_magenta,
 :light_cyan,
 :light_green,
 :light_yellow,
 :light_white
]


user_colours = Hash[*users.zip(available_colours).flatten]

lines.each do |line|
  user = get_user(line)

  print line.send(user_colours[user])

end