diff options
Diffstat (limited to 'lib/oxidized/output/gitcrypt.rb')
| -rw-r--r-- | lib/oxidized/output/gitcrypt.rb | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/lib/oxidized/output/gitcrypt.rb b/lib/oxidized/output/gitcrypt.rb new file mode 100644 index 0000000..b0d80f2 --- /dev/null +++ b/lib/oxidized/output/gitcrypt.rb @@ -0,0 +1,244 @@ +module Oxidized + class GitCrypt < Output + class GitCryptError < OxidizedError; end + begin + require 'git' + rescue LoadError + raise OxidizedError, 'git not found: sudo gem install ruby-git' + end + + attr_reader :commitref + + def initialize + @cfg = Oxidized.config.output.gitcrypt + @gitcrypt_cmd = "/usr/bin/git-crypt" + @gitcrypt_init = @gitcrypt_cmd + " init" + @gitcrypt_unlock = @gitcrypt_cmd + " unlock" + @gitcrypt_lock = @gitcrypt_cmd + " lock" + @gitcrypt_adduser = @gitcrypt_cmd + " add-gpg-user --trusted " + end + + def setup + if @cfg.empty? + Oxidized.asetus.user.output.gitcrypt.user = 'Oxidized' + Oxidized.asetus.user.output.gitcrypt.email = 'o@example.com' + Oxidized.asetus.user.output.gitcrypt.repo = File.join(Config::Root, 'oxidized.git') + Oxidized.asetus.save :user + raise NoConfig, 'no output git config, edit ~/.config/oxidized/config' + end + + if @cfg.repo.respond_to?(:each) + @cfg.repo.each do |group, repo| + @cfg.repo["#{group}="] = File.expand_path repo + end + else + @cfg.repo = File.expand_path @cfg.repo + end + end + + def crypt_init repo + repo.chdir do + system(@gitcrypt_init) + @cfg.users.each do |user| + system("#{@gitcrypt_adduser} #{user}") + end + File.write(".gitattributes", "* filter=git-crypt diff=git-crypt\n.gitattributes !filter !diff") + repo.add(".gitattributes") + repo.commit("Initial commit: crypt all config files") + end + end + + def lock repo + repo.chdir do + system(@gitcrypt_lock) + end + end + + def unlock repo + repo.chdir do + system(@gitcrypt_unlock) + end + end + + def store file, outputs, opt={} + @msg = opt[:msg] + @user = (opt[:user] or @cfg.user) + @email = (opt[:email] or @cfg.email) + @opt = opt + @commitref = nil + repo = @cfg.repo + + outputs.types.each do |type| + type_cfg = '' + type_repo = File.join(File.dirname(repo), type + '.git') + outputs.type(type).each do |output| + (type_cfg << output; next) if not output.name + type_file = file + '--' + output.name + if @cfg.type_as_directory? + type_file = type + '/' + type_file + type_repo = repo + end + update type_repo, type_file, output + end + update type_repo, file, type_cfg + end + + update repo, file, outputs.to_cfg + end + + + def fetch node, group + begin + repo, path = yield_repo_and_path(node, group) + repo = Git.open repo + unlock repo + index = repo.index + # Empty repo ? + empty = File.exists? index.path + if empty + raise 'Empty git repo' + else + File.read path + end + lock repo + rescue + 'node not found' + end + end + + # give a hash of all oid revision for the given node, and the date of the commit + def version node, group + begin + repo, path = yield_repo_and_path(node, group) + + repo = Git.open repo + unlock repo + walker = repo.log.path(path) + i = -1 + tab = [] + walker.each do |commit| + hash = {} + hash[:date] = commit.date.to_s + hash[:oid] = commit.objectish + hash[:author] = commit.author + hash[:message] = commit.message + tab[i += 1] = hash + end + walker.reset + tab + rescue + 'node not found' + end + end + + #give the blob of a specific revision + def get_version node, group, oid + begin + repo, path = yield_repo_and_path(node, group) + repo = Git.open repo + unlock repo + repo.gtree(oid).files[path].contents + rescue + 'version not found' + ensure + lock repo + end + end + + #give a hash with the patch of a diff between 2 revision and the stats (added and deleted lines) + def get_diff node, group, oid1, oid2 + begin + diff_commits = nil + repo, path = yield_repo_and_path(node, group) + repo = Git.open repo + unlock repo + commit = repo.gcommit(oid1) + + if oid2 + commit_old = repo.gcommit(oid2) + diff = repo.diff(commit_old, commit) + stats = [diff.stats[:files][node.name][:insertions], diff.stats[:files][node.name][:deletions]] + diff.each do |patch| + if /#{node.name}\s+/.match(patch.patch.to_s.lines.first) + diff_commits = {:patch => patch.patch.to_s, :stat => stats} + break + end + end + else + stat = commit.parents[0].diff(commit).stats + stat = [stat[:files][node.name][:insertions],stat[:files][node.name][:deletions]] + patch = commit.parents[0].diff(commit).patch + diff_commits = {:patch => patch, :stat => stat} + end + lock repo + diff_commits + rescue + 'no diffs' + ensure + lock repo + end + end + + private + + def yield_repo_and_path(node, group) + repo, path = node.repo, node.name + + if group and @cfg.single_repo? + path = "#{group}/#{node.name}" + end + + [repo, path] + end + + def update repo, file, data + return if data.empty? + + if @opt[:group] + if @cfg.single_repo? + file = File.join @opt[:group], file + else + repo = if repo.is_a?(::String) + File.join File.dirname(repo), @opt[:group] + '.git' + else + repo[@opt[:group]] + end + end + end + + begin + update_repo repo, file, data, @msg, @user, @email + rescue Git::GitExecuteError, ArgumentError => open_error + Oxidized.logger.debug "open_error #{open_error} #{file}" + begin + grepo = Git.init repo + crypt_init grepo + rescue => create_error + raise GitCryptError, "first '#{open_error.message}' was raised while opening git repo, then '#{create_error.message}' was while trying to create git repo" + end + retry + end + end + + def update_repo repo, file, data, msg, user, email + grepo = Git.open repo + grepo.config('user.name', user) + grepo.config('user.email', email) + grepo.chdir do + unlock grepo + File.write(file, data) + grepo.add(file) + if grepo.status[file].nil? + grepo.commit(msg) + @commitref = grepo.log(1).first.objectish + true + elsif !grepo.status[file].type.nil? + grepo.commit(msg) + @commitref = grepo.log(1).first.objectish + true + end + lock grepo + end + end + end +end |