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@mdespuits mdespuits/update_repos.rb
Last active Dec 14, 2015

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Update all git repositories in a given directory
#!/usr/bin/env ruby
require 'optparse'
require 'ostruct'
require 'pathname'
class Text
attr_reader :string
def initialize(string)
@string = string
end
def self.[](text, color = :yellow)
puts self.new(text).public_send(color)
end
def yellow
colorize(33)
end
def cyan
colorize(36)
end
private
def colorize(color_code)
"\e[#{color_code}m#{string}\e[0m"
end
end
class Repo
def self.all(options)
Dir.glob('**/.git', File::FNM_DOTMATCH).collect do |dir|
Repo.new(Pathname.new(dir).parent, options)
end
end
attr_accessor :dir, :options
attr_reader :original_branch
def initialize(dir, options)
@dir = File.expand_path(dir)
@options = options
@original_branch = "'#{current_branch}'"
@quiet = options[:quiet]
end
def in_repo_directory
Dir.chdir(@dir) do
yield if block_given?
end
end
def git(*args)
in_repo_directory do
command = %w[git].concat(args).join(" ")
Text["--> #{command}"] unless @quiet
%x[#{command} 2> /dev/null].chomp.split("\n").map(&:strip)
end
end
def quiet
@quiet = true
yield
ensure
@quiet
end
def current_branch
quiet {
git(:branch).detect { |branch| branch =~ /\A\*/i }.delete "* "
}
end
def has_upstream?
git(:remote).include? 'upstream'
end
def execute
Text["Updating into #{dir}", :cyan]
git :checkout, :master
if has_upstream?
git :fetch, :upstream
git :rebase, 'upstream/master'
git :push
end
git :push if options.push == true
git :checkout, original_branch
Text[""] unless @quiet # repository separator
end
end
options = OpenStruct.new(
directory: Pathname.new(Dir.pwd).parent,
push: false,
quiet: false,
)
OptionParser.new do |opts|
opts.banner = "Usage: update.rb [options]"
opts.on("-d", "--directory DIRECTORY", "Specify a (preferrably) absolute directory") do |dir|
options.directory = File.expand_path(dir)
end
opts.on("-p", "--push", "Force push to remote repo") do
options.push = true
end
opts.on("-q", "--quiet", "Be quiet about update") do
options.quiet = true
end
end.parse!
Dir.chdir options.directory do
Repo.all(options).each(&:execute)
end
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