android project diff

adiff

#!/usr/bin/env ruby

#
# android diff checker
#
# usage:
#   adiff app1/src/ app2/src/
#

def to_filehash(filelist)
  hash = {}

  filelist.each do |path|
    filename = File.basename(path)
    hash[filename] = path
  end

  hash
end

def puts_onlyin(dir1, dir2, dir1_hash, dir2_hash)
  dir1_only = dir1_hash.keys - dir2_hash.keys

  if dir1_only.size > 0
    puts ((" " * 2) + "#{dir1}:")
    dir1_only.each do |file|
      str = (" " * 4) + "#{file}:\t #{dir1_hash[file]}"
      puts str
    end
  end
end

#
# MAIN
#

if ARGV.size != 2
  puts "usage: adiff [dir1] [dir2]"
  exit 0
end

DIR1=ARGV[0]
DIR2=ARGV[1]

DIR1_LIST=`find #{DIR1} -type f`.chomp.split("\n")
DIR2_LIST=`find #{DIR2} -type f`.chomp.split("\n")

if DIR1_LIST.size < 1 && DIR2_LIST.size < 1
  raise "#{DIR1} and #{DIR2} is null!"
end

if DIR1_LIST.size != DIR2_LIST.size
  STDERR.puts "#{DIR1}: #{DIR1_LIST.size}"
  STDERR.puts "#{DIR2}: #{DIR2_LIST.size}"
end

DIR1_HASH = to_filehash(DIR1_LIST)
DIR2_HASH = to_filehash(DIR2_LIST)

# CHECK ONLY IN ONE HASH
puts "ONLYIN:"
puts_onlyin(DIR1, DIR2, DIR1_HASH, DIR2_HASH)
puts_onlyin(DIR2, DIR1, DIR2_HASH, DIR1_HASH)

# CHECK DIFF
puts "DIFF:"
DIR1_HASH.each do |name, path|
  puts ((" " * 2) + "#{name}:")

  if DIR2_HASH[name] != nil
    puts ("=" * 80)
    cmd = "diff #{path} #{DIR2_HASH[name]}"
    puts cmd
    system(cmd)
  end
end