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module Oxidized
class Git < Output
begin
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, outputs, opt={}
@msg = opt[:msg]
@user = (opt[:user] or @cfg.user)
@email = (opt[:email] or @cfg.email)
@opt = opt
repo = @cfg.repo
outputs.types.each do |type|
type_repo = File.join File.dirname(repo), type + '.git'
outputs.type(type).each do |output|
type_file = file + '--' + output.name
update type_repo, type_file, output
end
end
update repo, file, outputs.to_cfg
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, file, data
if @opt[:group]
repo = File.join File.dirname(repo), @opt[:group] + '.git'
end
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
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
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