#!/opt/local/bin/ruby
# Written by Dean Strelau 2006.10.31
# This script creates a new svn repository
# and optionally sets up some useful attributes of it.

USAGE = "usage: #{$0} [options] name\n"
HELP = <<HELP_TEXT
#{USAGE}
Available options are:
  -i <path>  - Automatically import a folder's contents into the repo upon creation
  -u <user>  - `chown` the repository to given user
  -g <group> - `chown` the repository to given group
  -m <mode>  - `chmod` the repository to a given string (default 770)
HELP_TEXT


# If we want help, print & exit
if ARGV.first == 'help' then
  print HELP
  exit 1
end

# Process options
while a = ARGV.shift
  case a
  when '-i': import=ARGV.shift.to_s.chomp
  when '-u': user=ARGV.shift.to_s.chomp
  when '-g': group=ARGV.shift.to_s.chomp
  when '-m': mode=ARGV.shift.to_s.chomp
  when /-(.*)/
    print "illegal option -- #{$1}\n" <<
          "use `#{$0} help` for help "
    exit 1
  else repo = a.to_s.chomp
  end
end

# Need a name to do something
unless repo
  print "must specify repository name\n"<< USAGE
  exit 1
end

absolute = ( repo =~ /^\//)
cmds = Array.new
cmds << "mkdir #{repo}"
cmds << "svnadmin create #{repo}"
if import # needs to be run as single command so the `cd` works
  pwd = `pwd`.chomp
  import_cmd = "cd #{import};"
  path = absolute ? repo : "#{pwd}/#{repo}"
  import_cmd << "svn import . file://#{path} -m \"Initial repository layout\""
  cmds << import_cmd
end
mode ||= '770'
cmds << "chmod -R #{mode} #{repo}"
ug = (user || '') + ':' + (group || '')
cmds << "chown -R #{ug} #{repo}" unless ug == ':'

cmds.each do |c|
  puts "Executing: #{c}"
  unless system(c) then # if system(c) returns false
    puts $?
    exit 1
  end
end

print "Success!\n"