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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, 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
Rugged::Commit.create(repo,
:tree => index.write_tree(repo),
:message => msg,
:parents => repo.empty? ? [] : [repo.head.target].compact,
:update_ref => 'HEAD',
:author => {:name=>user, :email=>email, :time=>Time.now.utc}
)
end
end
end
end
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