push-git-project

#!/usr/bin/env ruby
%w[rubygems optparse ostruct inifile].each {|l| require l }

REPO = {
  :primary   => { :host    => "repoprimaryhost",
                  :gitosis => "repoprimarygitosis",
                  :gitosisgroup => "repoprimarygitosisgroup"},
  :secondary => { :host    => "reposecondaryhost",
                  :gitosis => "reposecondarygitosis",
                  :gitosisgroup => "reposecondarygitosisgroup"}
}

options = OpenStruct.new
def options.gitosis_conf=(file)
  if File.file?(file)
    super file
  elsif File.file?(File.join(file, "gitosis.conf"))
    super File.join(file, "gitosis.conf")
  else
    abort "I'm looking for a gitosis.conf in there (#{file})... and I can't find it."
  end
end

# Defaults
options.hostname      = REPO[:primary][:host]
options.gitosis_conf  = REPO[:primary][:gitosis]
options.gitosis_group = REPO[:primary][:gitosisgroup]

# Parsing command line options
opts = OptionParser.new do |o|
  o.on('-o', '--host HOSTNAME',
       "non-default (#{REPO[:primary][:host]}) host to push project to") do |hostname|
    options.hostname = hostname
  end
  o.on('-g', '--gitosis-conf CONF-FILE',
       "non-default (#{REPO[:primary][:gitosis]})",
       "gitosis project to push project to") do |conf_file|
    options.gitosis_conf = conf_file
  end
  o.on('-p',
       "projectfiles mode (project will be pushed to",
       "~git/projectfiles/project instead of ~git/project)") do |p|
    options.projectfiles = p ? "projectfiles/" : ""
  end
  o.on('-s', '--secondary',
       "use secondary defaults",
       "(-h #{REPO[:secondary][:host]} -g #{REPO[:secondary][:gitosis]})") do
    options.hostname      = REPO[:secondary][:host]
    options.gitosis_conf  = REPO[:secondary][:gitosis]
    options.gitosis_group = REPO[:secondary][:gitosisgroup]
  end
  o.on('-h', "this help text") { puts o; exit }
  o.parse!
end

if ARGV.size == 1
  options.project = "#{options.projectfiles}#{ARGV.pop}"
elsif ARGV.empty?
  options.project = "#{options.projectfiles}#{`basename \`pwd\``}".chomp
else
  abort "Unexpected arguments.\n#{opts}"
end

# Pull gitosis project
`cd #{File.dirname(options.gitosis_conf)}; git pull origin master`
inifile = IniFile.new(options.gitosis_conf)

# Sanity checks
abort "I can't find section '#{options.gitosis_group}' and line 'writable = …' in #{options.gitosis_conf}" unless ( inifile[options.gitosis_group] && inifile[options.gitosis_group]['writable'] )
writable = inifile[options.gitosis_group]['writable'].dup.split(/ /)
abort "gitosis already knows #{options.project} is writable by #{options.gitosis_group}" if writable.include?(options.project)
abort "#{options.project} already has a remote 'origin'" if `git remote`.split.include?("origin")

# Processing
writable << options.project

gitosis_admin = writable.delete("gitosis-admin")
inifile[options.gitosis_group]['writable'] = "#{gitosis_admin ? "gitosis-admin " : ""}#{writable.sort.join(" ")}"
inifile.save

puts `cd #{File.dirname(options.gitosis_conf)}; git add gitosis.conf; git commit -m "add project #{options.project} as writable by #{options.gitosis_group}"; git push origin master`
puts `git remote add origin git@#{options.hostname}:#{options.project}; git push origin master`
puts
puts "Project pushed to:"
puts `git remote show origin`