Chris@909: # Redmine - project management software
Chris@909: # Copyright (C) 2006-2011  Jean-Philippe Lang
Chris@909: #
Chris@909: # This program is free software; you can redistribute it and/or
Chris@909: # modify it under the terms of the GNU General Public License
Chris@909: # as published by the Free Software Foundation; either version 2
Chris@909: # of the License, or (at your option) any later version.
Chris@909: #
Chris@909: # This program is distributed in the hope that it will be useful,
Chris@909: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@909: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@909: # GNU General Public License for more details.
Chris@909: #
Chris@909: # You should have received a copy of the GNU General Public License
Chris@909: # along with this program; if not, write to the Free Software
Chris@909: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@909: 
Chris@909: require 'redmine/scm/adapters/abstract_adapter'
Chris@909: require 'uri'
Chris@909: 
Chris@909: module Redmine
Chris@909:   module Scm
Chris@909:     module Adapters
Chris@909:       class SubversionAdapter < AbstractAdapter
Chris@909: 
Chris@909:         # SVN executable name
Chris@909:         SVN_BIN = Redmine::Configuration['scm_subversion_command'] || "svn"
Chris@909: 
Chris@909:         class << self
Chris@909:           def client_command
Chris@909:             @@bin    ||= SVN_BIN
Chris@909:           end
Chris@909: 
Chris@909:           def sq_bin
Chris@909:             @@sq_bin ||= shell_quote_command
Chris@909:           end
Chris@909: 
Chris@909:           def client_version
Chris@909:             @@client_version ||= (svn_binary_version || [])
Chris@909:           end
Chris@909: 
Chris@909:           def client_available
Chris@909:             # --xml options are introduced in 1.3.
Chris@909:             # http://subversion.apache.org/docs/release-notes/1.3.html
Chris@909:             client_version_above?([1, 3])
Chris@909:           end
Chris@909: 
Chris@909:           def svn_binary_version
Chris@909:             scm_version = scm_version_from_command_line.dup
Chris@909:             if scm_version.respond_to?(:force_encoding)
Chris@909:               scm_version.force_encoding('ASCII-8BIT')
Chris@909:             end
Chris@909:             if m = scm_version.match(%r{\A(.*?)((\d+\.)+\d+)})
Chris@909:               m[2].scan(%r{\d+}).collect(&:to_i)
Chris@909:             end
Chris@909:           end
Chris@909: 
Chris@909:           def scm_version_from_command_line
Chris@909:             shellout("#{sq_bin} --version") { |io| io.read }.to_s
Chris@909:           end
Chris@909:         end
Chris@909: 
Chris@909:         # Get info about the svn repository
Chris@909:         def info
Chris@909:           cmd = "#{self.class.sq_bin} info --xml #{target}"
Chris@909:           cmd << credentials_string
Chris@909:           info = nil
Chris@909:           shellout(cmd) do |io|
Chris@909:             output = io.read
Chris@909:             if output.respond_to?(:force_encoding)
Chris@909:               output.force_encoding('UTF-8')
Chris@909:             end
Chris@909:             begin
Chris@909:               doc = ActiveSupport::XmlMini.parse(output)
Chris@909:               # root_url = doc.elements["info/entry/repository/root"].text
Chris@909:               info = Info.new({:root_url => doc['info']['entry']['repository']['root']['__content__'],
Chris@909:                                :lastrev => Revision.new({
Chris@909:                                  :identifier => doc['info']['entry']['commit']['revision'],
Chris@909:                                  :time => Time.parse(doc['info']['entry']['commit']['date']['__content__']).localtime,
Chris@909:                                  :author => (doc['info']['entry']['commit']['author'] ? doc['info']['entry']['commit']['author']['__content__'] : "")
Chris@909:                                })
Chris@909:                              })
Chris@909:             rescue
Chris@909:             end
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           info
Chris@909:         rescue CommandFailed
Chris@909:           return nil
Chris@909:         end
Chris@909: 
Chris@909:         # Returns an Entries collection
Chris@909:         # or nil if the given path doesn't exist in the repository
Chris@909:         def entries(path=nil, identifier=nil, options={})
Chris@909:           path ||= ''
Chris@909:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@909:           entries = Entries.new
Chris@909:           cmd = "#{self.class.sq_bin} list --xml #{target(path)}@#{identifier}"
Chris@909:           cmd << credentials_string
Chris@909:           shellout(cmd) do |io|
Chris@909:             output = io.read
Chris@909:             if output.respond_to?(:force_encoding)
Chris@909:               output.force_encoding('UTF-8')
Chris@909:             end
Chris@909:             begin
Chris@909:               doc = ActiveSupport::XmlMini.parse(output)
Chris@909:               each_xml_element(doc['lists']['list'], 'entry') do |entry|
Chris@909:                 commit = entry['commit']
Chris@909:                 commit_date = commit['date']
Chris@909:                 # Skip directory if there is no commit date (usually that
Chris@909:                 # means that we don't have read access to it)
Chris@909:                 next if entry['kind'] == 'dir' && commit_date.nil?
Chris@909:                 name = entry['name']['__content__']
Chris@909:                 entries << Entry.new({:name => URI.unescape(name),
Chris@909:                             :path => ((path.empty? ? "" : "#{path}/") + name),
Chris@909:                             :kind => entry['kind'],
Chris@909:                             :size => ((s = entry['size']) ? s['__content__'].to_i : nil),
Chris@909:                             :lastrev => Revision.new({
Chris@909:                               :identifier => commit['revision'],
Chris@909:                               :time => Time.parse(commit_date['__content__'].to_s).localtime,
Chris@909:                               :author => ((a = commit['author']) ? a['__content__'] : nil)
Chris@909:                               })
Chris@909:                             })
Chris@909:               end
Chris@909:             rescue Exception => e
Chris@909:               logger.error("Error parsing svn output: #{e.message}")
Chris@909:               logger.error("Output was:\n #{output}")
Chris@909:             end
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           logger.debug("Found #{entries.size} entries in the repository for #{target(path)}") if logger && logger.debug?
Chris@909:           entries.sort_by_name
Chris@909:         end
Chris@909: 
Chris@909:         def properties(path, identifier=nil)
Chris@909:           # proplist xml output supported in svn 1.5.0 and higher
Chris@909:           return nil unless self.class.client_version_above?([1, 5, 0])
Chris@909: 
Chris@909:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@909:           cmd = "#{self.class.sq_bin} proplist --verbose --xml #{target(path)}@#{identifier}"
Chris@909:           cmd << credentials_string
Chris@909:           properties = {}
Chris@909:           shellout(cmd) do |io|
Chris@909:             output = io.read
Chris@909:             if output.respond_to?(:force_encoding)
Chris@909:               output.force_encoding('UTF-8')
Chris@909:             end
Chris@909:             begin
Chris@909:               doc = ActiveSupport::XmlMini.parse(output)
Chris@909:               each_xml_element(doc['properties']['target'], 'property') do |property|
Chris@909:                 properties[ property['name'] ] = property['__content__'].to_s
Chris@909:               end
Chris@909:             rescue
Chris@909:             end
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           properties
Chris@909:         end
Chris@909: 
Chris@909:         def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
Chris@909:           path ||= ''
Chris@909:           identifier_from = (identifier_from && identifier_from.to_i > 0) ? identifier_from.to_i : "HEAD"
Chris@909:           identifier_to = (identifier_to && identifier_to.to_i > 0) ? identifier_to.to_i : 1
Chris@909:           revisions = Revisions.new
Chris@909:           cmd = "#{self.class.sq_bin} log --xml -r #{identifier_from}:#{identifier_to}"
Chris@909:           cmd << credentials_string
Chris@909:           cmd << " --verbose " if  options[:with_paths]
Chris@909:           cmd << " --limit #{options[:limit].to_i}" if options[:limit]
Chris@909:           cmd << ' ' + target(path)
Chris@909:           shellout(cmd) do |io|
Chris@909:             output = io.read
Chris@909:             if output.respond_to?(:force_encoding)
Chris@909:               output.force_encoding('UTF-8')
Chris@909:             end
Chris@909:             begin
Chris@909:               doc = ActiveSupport::XmlMini.parse(output)
Chris@909:               each_xml_element(doc['log'], 'logentry') do |logentry|
Chris@909:                 paths = []
Chris@909:                 each_xml_element(logentry['paths'], 'path') do |path|
Chris@909:                   paths << {:action => path['action'],
Chris@909:                             :path => path['__content__'],
Chris@909:                             :from_path => path['copyfrom-path'],
Chris@909:                             :from_revision => path['copyfrom-rev']
Chris@909:                             }
Chris@909:                 end if logentry['paths'] && logentry['paths']['path']
Chris@909:                 paths.sort! { |x,y| x[:path] <=> y[:path] }
Chris@909: 
Chris@909:                 revisions << Revision.new({:identifier => logentry['revision'],
Chris@909:                               :author => (logentry['author'] ? logentry['author']['__content__'] : ""),
Chris@909:                               :time => Time.parse(logentry['date']['__content__'].to_s).localtime,
Chris@909:                               :message => logentry['msg']['__content__'],
Chris@909:                               :paths => paths
Chris@909:                             })
Chris@909:               end
Chris@909:             rescue
Chris@909:             end
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           revisions
Chris@909:         end
Chris@909: 
Chris@909:         def diff(path, identifier_from, identifier_to=nil, type="inline")
Chris@909:           path ||= ''
Chris@909:           identifier_from = (identifier_from and identifier_from.to_i > 0) ? identifier_from.to_i : ''
Chris@909: 
Chris@909:           identifier_to = (identifier_to and identifier_to.to_i > 0) ? identifier_to.to_i : (identifier_from.to_i - 1)
Chris@909: 
Chris@909:           cmd = "#{self.class.sq_bin} diff -r "
Chris@909:           cmd << "#{identifier_to}:"
Chris@909:           cmd << "#{identifier_from}"
Chris@909:           cmd << " #{target(path)}@#{identifier_from}"
Chris@909:           cmd << credentials_string
Chris@909:           diff = []
Chris@909:           shellout(cmd) do |io|
Chris@909:             io.each_line do |line|
Chris@909:               diff << line
Chris@909:             end
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           diff
Chris@909:         end
Chris@909: 
Chris@909:         def cat(path, identifier=nil)
Chris@909:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@909:           cmd = "#{self.class.sq_bin} cat #{target(path)}@#{identifier}"
Chris@909:           cmd << credentials_string
Chris@909:           cat = nil
Chris@909:           shellout(cmd) do |io|
Chris@909:             io.binmode
Chris@909:             cat = io.read
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           cat
Chris@909:         end
Chris@909: 
Chris@909:         def annotate(path, identifier=nil)
Chris@909:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@909:           cmd = "#{self.class.sq_bin} blame #{target(path)}@#{identifier}"
Chris@909:           cmd << credentials_string
Chris@909:           blame = Annotate.new
Chris@909:           shellout(cmd) do |io|
Chris@909:             io.each_line do |line|
Chris@909:               next unless line =~ %r{^\s*(\d+)\s*(\S+)\s(.*)$}
Chris@909:               rev = $1
Chris@909:               blame.add_line($3.rstrip,
Chris@909:                    Revision.new(
Chris@909:                       :identifier => rev,
Chris@909:                       :revision   => rev,
Chris@909:                       :author     => $2.strip
Chris@909:                       ))
Chris@909:             end
Chris@909:           end
Chris@909:           return nil if $? && $?.exitstatus != 0
Chris@909:           blame
Chris@909:         end
Chris@909: 
Chris@909:         private
Chris@909: 
Chris@909:         def credentials_string
Chris@909:           str = ''
Chris@909:           str << " --username #{shell_quote(@login)}" unless @login.blank?
Chris@909:           str << " --password #{shell_quote(@password)}" unless @login.blank? || @password.blank?
Chris@909:           str << " --no-auth-cache --non-interactive"
Chris@909:           str
Chris@909:         end
Chris@909: 
Chris@909:         # Helper that iterates over the child elements of a xml node
Chris@909:         # MiniXml returns a hash when a single child is found
Chris@909:         # or an array of hashes for multiple children
Chris@909:         def each_xml_element(node, name)
Chris@909:           if node && node[name]
Chris@909:             if node[name].is_a?(Hash)
Chris@909:               yield node[name]
Chris@909:             else
Chris@909:               node[name].each do |element|
Chris@909:                 yield element
Chris@909:               end
Chris@909:             end
Chris@909:           end
Chris@909:         end
Chris@909: 
Chris@909:         def target(path = '')
Chris@909:           base = path.match(/^\//) ? root_url : url
Chris@909:           uri = "#{base}/#{path}"
Chris@909:           uri = URI.escape(URI.escape(uri), '[]')
Chris@909:           shell_quote(uri.gsub(/[?<>\*]/, ''))
Chris@909:         end
Chris@909:       end
Chris@909:     end
Chris@909:   end
Chris@909: end