Chris@0: # Redmine - project management software
Chris@0: # Copyright (C) 2006-2010  Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@0: # 
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@0: # GNU General Public License for more details.
Chris@0: # 
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@0: 
Chris@0: require 'redmine/scm/adapters/abstract_adapter'
Chris@0: require 'uri'
Chris@0: 
Chris@0: module Redmine
Chris@0:   module Scm
Chris@0:     module Adapters    
Chris@0:       class SubversionAdapter < AbstractAdapter
Chris@0:       
Chris@0:         # SVN executable name
Chris@0:         SVN_BIN = "svn"
Chris@0:         
Chris@0:         class << self
Chris@0:           def client_version
Chris@0:             @@client_version ||= (svn_binary_version || [])
Chris@0:           end
Chris@0:           
Chris@0:           def svn_binary_version
Chris@0:             cmd = "#{SVN_BIN} --version"
Chris@0:             version = nil
Chris@0:             shellout(cmd) do |io|
Chris@0:               # Read svn version in first returned line
Chris@0:               if m = io.gets.to_s.match(%r{((\d+\.)+\d+)})
Chris@0:                 version = m[0].scan(%r{\d+}).collect(&:to_i)
Chris@0:               end
Chris@0:             end
Chris@0:             return nil if $? && $?.exitstatus != 0
Chris@0:             version
Chris@0:           end
Chris@0:         end
Chris@0:         
Chris@0:         # Get info about the svn repository
Chris@0:         def info
Chris@0:           cmd = "#{SVN_BIN} info --xml #{target}"
Chris@0:           cmd << credentials_string
Chris@0:           info = nil
Chris@0:           shellout(cmd) do |io|
Chris@0:             output = io.read
Chris@0:             begin
Chris@0:               doc = ActiveSupport::XmlMini.parse(output)
Chris@0:               #root_url = doc.elements["info/entry/repository/root"].text          
Chris@0:               info = Info.new({:root_url => doc['info']['entry']['repository']['root']['__content__'],
Chris@0:                                :lastrev => Revision.new({
Chris@0:                                  :identifier => doc['info']['entry']['commit']['revision'],
Chris@0:                                  :time => Time.parse(doc['info']['entry']['commit']['date']['__content__']).localtime,
Chris@0:                                  :author => (doc['info']['entry']['commit']['author'] ? doc['info']['entry']['commit']['author']['__content__'] : "")
Chris@0:                                })
Chris@0:                              })
Chris@0:             rescue
Chris@0:             end
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           info
Chris@0:         rescue CommandFailed
Chris@0:           return nil
Chris@0:         end
Chris@0:         
Chris@0:         # Returns an Entries collection
Chris@0:         # or nil if the given path doesn't exist in the repository
Chris@0:         def entries(path=nil, identifier=nil)
Chris@0:           path ||= ''
Chris@0:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@0:           entries = Entries.new
Chris@0:           cmd = "#{SVN_BIN} list --xml #{target(path)}@#{identifier}"
Chris@0:           cmd << credentials_string
Chris@0:           shellout(cmd) do |io|
Chris@0:             output = io.read
Chris@0:             begin
Chris@0:               doc = ActiveSupport::XmlMini.parse(output)
Chris@0:               each_xml_element(doc['lists']['list'], 'entry') do |entry|
Chris@0:                 commit = entry['commit']
Chris@0:                 commit_date = commit['date']
Chris@0:                 # Skip directory if there is no commit date (usually that
Chris@0:                 # means that we don't have read access to it)
Chris@0:                 next if entry['kind'] == 'dir' && commit_date.nil?
Chris@0:                 name = entry['name']['__content__']
Chris@0:                 entries << Entry.new({:name => URI.unescape(name),
Chris@0:                             :path => ((path.empty? ? "" : "#{path}/") + name),
Chris@0:                             :kind => entry['kind'],
Chris@0:                             :size => ((s = entry['size']) ? s['__content__'].to_i : nil),
Chris@0:                             :lastrev => Revision.new({
Chris@0:                               :identifier => commit['revision'],
Chris@0:                               :time => Time.parse(commit_date['__content__'].to_s).localtime,
Chris@0:                               :author => ((a = commit['author']) ? a['__content__'] : nil)
Chris@0:                               })
Chris@0:                             })
Chris@0:               end
Chris@0:             rescue Exception => e
Chris@0:               logger.error("Error parsing svn output: #{e.message}")
Chris@0:               logger.error("Output was:\n #{output}")
Chris@0:             end
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           logger.debug("Found #{entries.size} entries in the repository for #{target(path)}") if logger && logger.debug?
Chris@0:           entries.sort_by_name
Chris@0:         end
Chris@0:         
Chris@0:         def properties(path, identifier=nil)
Chris@0:           # proplist xml output supported in svn 1.5.0 and higher
Chris@0:           return nil unless self.class.client_version_above?([1, 5, 0])
Chris@0:           
Chris@0:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@0:           cmd = "#{SVN_BIN} proplist --verbose --xml #{target(path)}@#{identifier}"
Chris@0:           cmd << credentials_string
Chris@0:           properties = {}
Chris@0:           shellout(cmd) do |io|
Chris@0:             output = io.read
Chris@0:             begin
Chris@0:               doc = ActiveSupport::XmlMini.parse(output)
Chris@0:               each_xml_element(doc['properties']['target'], 'property') do |property|
Chris@0:                 properties[ property['name'] ] = property['__content__'].to_s
Chris@0:               end
Chris@0:             rescue
Chris@0:             end
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           properties
Chris@0:         end
Chris@0:         
Chris@0:         def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
Chris@0:           path ||= ''
Chris@0:           identifier_from = (identifier_from and identifier_from.to_i > 0) ? identifier_from.to_i : "HEAD"
Chris@0:           identifier_to = (identifier_to and identifier_to.to_i > 0) ? identifier_to.to_i : 1
Chris@0:           revisions = Revisions.new
Chris@0:           cmd = "#{SVN_BIN} log --xml -r #{identifier_from}:#{identifier_to}"
Chris@0:           cmd << credentials_string
Chris@0:           cmd << " --verbose " if  options[:with_paths]
Chris@0:           cmd << " --limit #{options[:limit].to_i}" if options[:limit]
Chris@0:           cmd << ' ' + target(path)
Chris@0:           shellout(cmd) do |io|
Chris@0:             output = io.read
Chris@0:             begin
Chris@0:               doc = ActiveSupport::XmlMini.parse(output)
Chris@0:               each_xml_element(doc['log'], 'logentry') do |logentry|
Chris@0:                 paths = []
Chris@0:                 each_xml_element(logentry['paths'], 'path') do |path|
Chris@0:                   paths << {:action => path['action'],
Chris@0:                             :path => path['__content__'],
Chris@0:                             :from_path => path['copyfrom-path'],
Chris@0:                             :from_revision => path['copyfrom-rev']
Chris@0:                             }
Chris@0:                 end if logentry['paths'] && logentry['paths']['path']
Chris@0:                 paths.sort! { |x,y| x[:path] <=> y[:path] }
Chris@0:                 
Chris@0:                 revisions << Revision.new({:identifier => logentry['revision'],
Chris@0:                               :author => (logentry['author'] ? logentry['author']['__content__'] : ""),
Chris@0:                               :time => Time.parse(logentry['date']['__content__'].to_s).localtime,
Chris@0:                               :message => logentry['msg']['__content__'],
Chris@0:                               :paths => paths
Chris@0:                             })
Chris@0:               end
Chris@0:             rescue
Chris@0:             end
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           revisions
Chris@0:         end
Chris@0:         
Chris@0:         def diff(path, identifier_from, identifier_to=nil, type="inline")
Chris@0:           path ||= ''
Chris@0:           identifier_from = (identifier_from and identifier_from.to_i > 0) ? identifier_from.to_i : ''
Chris@0:           identifier_to = (identifier_to and identifier_to.to_i > 0) ? identifier_to.to_i : (identifier_from.to_i - 1)
Chris@0:           
Chris@0:           cmd = "#{SVN_BIN} diff -r "
Chris@0:           cmd << "#{identifier_to}:"
Chris@0:           cmd << "#{identifier_from}"
Chris@0:           cmd << " #{target(path)}@#{identifier_from}"
Chris@0:           cmd << credentials_string
Chris@0:           diff = []
Chris@0:           shellout(cmd) do |io|
Chris@0:             io.each_line do |line|
Chris@0:               diff << line
Chris@0:             end
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           diff
Chris@0:         end
Chris@0:         
Chris@0:         def cat(path, identifier=nil)
Chris@0:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@0:           cmd = "#{SVN_BIN} cat #{target(path)}@#{identifier}"
Chris@0:           cmd << credentials_string
Chris@0:           cat = nil
Chris@0:           shellout(cmd) do |io|
Chris@0:             io.binmode
Chris@0:             cat = io.read
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           cat
Chris@0:         end
Chris@0:         
Chris@0:         def annotate(path, identifier=nil)
Chris@0:           identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
Chris@0:           cmd = "#{SVN_BIN} blame #{target(path)}@#{identifier}"
Chris@0:           cmd << credentials_string
Chris@0:           blame = Annotate.new
Chris@0:           shellout(cmd) do |io|
Chris@0:             io.each_line do |line|
Chris@0:               next unless line =~ %r{^\s*(\d+)\s*(\S+)\s(.*)$}
Chris@0:               blame.add_line($3.rstrip, Revision.new(:identifier => $1.to_i, :author => $2.strip))
Chris@0:             end
Chris@0:           end
Chris@0:           return nil if $? && $?.exitstatus != 0
Chris@0:           blame
Chris@0:         end
Chris@0:         
Chris@0:         private
Chris@0:         
Chris@0:         def credentials_string
Chris@0:           str = ''
Chris@0:           str << " --username #{shell_quote(@login)}" unless @login.blank?
Chris@0:           str << " --password #{shell_quote(@password)}" unless @login.blank? || @password.blank?
Chris@0:           str << " --no-auth-cache --non-interactive"
Chris@0:           str
Chris@0:         end
Chris@0:         
Chris@0:         # Helper that iterates over the child elements of a xml node
Chris@0:         # MiniXml returns a hash when a single child is found or an array of hashes for multiple children
Chris@0:         def each_xml_element(node, name)
Chris@0:           if node && node[name]
Chris@0:             if node[name].is_a?(Hash)
Chris@0:               yield node[name]
Chris@0:             else
Chris@0:               node[name].each do |element|
Chris@0:                 yield element
Chris@0:               end
Chris@0:             end
Chris@0:           end
Chris@0:         end
Chris@0: 
Chris@0:         def target(path = '')
Chris@0:           base = path.match(/^\//) ? root_url : url
Chris@0:           uri = "#{base}/#{path}"
Chris@0:           uri = URI.escape(URI.escape(uri), '[]')
Chris@0:           shell_quote(uri.gsub(/[?<>\*]/, ''))
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@0:   end
Chris@0: end