module Oxidized class Git < Output begin gem 'rugged', '~> 0.21.0' require 'rugged' rescue LoadError raise OxidizedError, 'rugged not found: sudo gem install rugged' end def initialize @cfg = CFG.output.git end def setup if @cfg.empty? CFGS.user.output.git.user = 'Oxidized' CFGS.user.output.git.email = 'o@example.com' CFGS.user.output.git.repo = File.join(Config::Root, 'oxidized.git') CFGS.save :user raise NoConfig, 'no output git config, edit ~/.config/oxidized/config' end end def store file, data, opt={} msg = opt[:msg] user = (opt[:user] or @cfg.user) email = (opt[:email] or @cfg.email) repo = @cfg.repo if opt[:group] repo = File.join File.dirname(repo), opt[:group] + '.git' end begin repo = Rugged::Repository.new repo update_repo repo, file, data, msg, user, email rescue Rugged::OSError, Rugged::RepositoryError Rugged::Repository.init_at repo, :bare retry end end def fetch node, group begin repo = @cfg.repo if group repo = File.join File.dirname(repo), group + '.git' end repo = Rugged::Repository.new repo index = repo.index index.read_tree repo.head.target.tree unless repo.empty? repo.read(index.get(node)[:oid]).data rescue 'node not found' end end private def update_repo repo, file, data, msg, user, email oid = repo.write data, :blob index = repo.index index.read_tree repo.head.target.tree unless repo.empty? tree_old = index.write_tree repo index.add :path=>file, :oid=>oid, :mode=>0100644 tree_new = index.write_tree repo if tree_old != tree_new repo.config['user.name'] = user repo.config['user.email'] = email Rugged::Commit.create(repo, :tree => index.write_tree(repo), :message => msg, :parents => repo.empty? ? [] : [repo.head.target].compact, :update_ref => 'HEAD', ) end end end end