#!/usr/bin/env ruby


# Find git root
while !File.exists?('.git/config')
  Dir.chdir('..') 
  raise 'git root not found' if Dir.pwd == '/'
end

args = ARGV
if args.empty?
  args = File.read('.pushf').split rescue []
end

args.each do |arg|
  # Run git push
  hostname, path = arg.split(':')
  if !path || path.empty?
    path = File.basename(Dir.pwd)
  end

  if path.empty?
    puts 'unsupported'
    exit 1
  end

  if system 'git', 'push', '-f', "#{hostname}:#{path}"
    system 'git', 'push', '--tags', '-f', "#{hostname}:#{path}"
  else
    system "ssh #{hostname} '[ ! -e #{path}/.git ] && mkdir -p #{path} && cd #{path} && git init && git config receive.denyCurrentBranch ignore'"
    system 'git', 'push', '-f', "#{hostname}:#{path}"
  end

  head = `git rev-parse HEAD`.chomp

  system "ssh #{hostname} 'cd #{path} && echo #{head} > .git/HEAD && git reset --hard HEAD'"
end

if args.empty?
  puts 'git pushf host1[:path] [host2[:path]] ...'
end