comparison lib/redmine/scm/adapters/bazaar_adapter.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require 'redmine/scm/adapters/abstract_adapter'
+
+module Redmine
+  module Scm
+    module Adapters    
+      class BazaarAdapter < AbstractAdapter
+      
+        # Bazaar executable name
+        BZR_BIN = "bzr"
+        
+        # Get info about the repository
+        def info
+          cmd = "#{BZR_BIN} revno #{target('')}"
+          info = nil
+          shellout(cmd) do |io|
+            if io.read =~ %r{^(\d+)\r?$}
+              info = Info.new({:root_url => url,
+                               :lastrev => Revision.new({
+                                 :identifier => $1
+                               })
+                             })
+            end
+          end
+          return nil if $? && $?.exitstatus != 0
+          info
+        rescue CommandFailed
+          return nil
+        end
+        
+        # Returns an Entries collection
+        # or nil if the given path doesn't exist in the repository
+        def entries(path=nil, identifier=nil)
+          path ||= ''
+          entries = Entries.new
+          cmd = "#{BZR_BIN} ls -v --show-ids"
+          identifier = -1 unless identifier && identifier.to_i > 0 
+          cmd << " -r#{identifier.to_i}" 
+          cmd << " #{target(path)}"
+          shellout(cmd) do |io|
+            prefix = "#{url}/#{path}".gsub('\\', '/')
+            logger.debug "PREFIX: #{prefix}"
+            re = %r{^V\s+(#{Regexp.escape(prefix)})?(\/?)([^\/]+)(\/?)\s+(\S+)\r?$}
+            io.each_line do |line|
+              next unless line =~ re
+              entries << Entry.new({:name => $3.strip,
+                                    :path => ((path.empty? ? "" : "#{path}/") + $3.strip),
+                                    :kind => ($4.blank? ? 'file' : 'dir'),
+                                    :size => nil,
+                                    :lastrev => Revision.new(:revision => $5.strip)
+                                  })
+            end
+          end
+          return nil if $? && $?.exitstatus != 0
+          logger.debug("Found #{entries.size} entries in the repository for #{target(path)}") if logger && logger.debug?
+          entries.sort_by_name
+        end
+    
+        def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
+          path ||= ''
+          identifier_from = 'last:1' unless identifier_from and identifier_from.to_i > 0
+          identifier_to = 1 unless identifier_to and identifier_to.to_i > 0
+          revisions = Revisions.new
+          cmd = "#{BZR_BIN} log -v --show-ids -r#{identifier_to.to_i}..#{identifier_from} #{target(path)}"
+          shellout(cmd) do |io|
+            revision = nil
+            parsing = nil
+            io.each_line do |line|
+              if line =~ /^----/
+                revisions << revision if revision
+                revision = Revision.new(:paths => [], :message => '')
+                parsing = nil
+              else
+                next unless revision
+                
+                if line =~ /^revno: (\d+)($|\s\[merge\]$)/
+                  revision.identifier = $1.to_i
+                elsif line =~ /^committer: (.+)$/
+                  revision.author = $1.strip
+                elsif line =~ /^revision-id:(.+)$/
+                  revision.scmid = $1.strip
+                elsif line =~ /^timestamp: (.+)$/
+                  revision.time = Time.parse($1).localtime
+                elsif line =~ /^    -----/
+                  # partial revisions
+                  parsing = nil unless parsing == 'message'
+                elsif line =~ /^(message|added|modified|removed|renamed):/
+                  parsing = $1
+                elsif line =~ /^  (.*)$/
+                  if parsing == 'message'
+                    revision.message << "#{$1}\n"
+                  else
+                    if $1 =~ /^(.*)\s+(\S+)$/
+                      path = $1.strip
+                      revid = $2
+                      case parsing
+                      when 'added'
+                        revision.paths << {:action => 'A', :path => "/#{path}", :revision => revid}
+                      when 'modified'
+                        revision.paths << {:action => 'M', :path => "/#{path}", :revision => revid}
+                      when 'removed'
+                        revision.paths << {:action => 'D', :path => "/#{path}", :revision => revid}
+                      when 'renamed'
+                        new_path = path.split('=>').last
+                        revision.paths << {:action => 'M', :path => "/#{new_path.strip}", :revision => revid} if new_path
+                      end
+                    end
+                  end
+                else
+                  parsing = nil
+                end
+              end
+            end
+            revisions << revision if revision
+          end
+          return nil if $? && $?.exitstatus != 0
+          revisions
+        end
+        
+        def diff(path, identifier_from, identifier_to=nil)
+          path ||= ''
+          if identifier_to
+            identifier_to = identifier_to.to_i 
+          else
+            identifier_to = identifier_from.to_i - 1
+          end
+          cmd = "#{BZR_BIN} diff -r#{identifier_to}..#{identifier_from} #{target(path)}"
+          diff = []
+          shellout(cmd) do |io|
+            io.each_line do |line|
+              diff << line
+            end
+          end
+          #return nil if $? && $?.exitstatus != 0
+          diff
+        end
+        
+        def cat(path, identifier=nil)
+          cmd = "#{BZR_BIN} cat"
+          cmd << " -r#{identifier.to_i}" if identifier && identifier.to_i > 0
+          cmd << " #{target(path)}"
+          cat = nil
+          shellout(cmd) do |io|
+            io.binmode
+            cat = io.read
+          end
+          return nil if $? && $?.exitstatus != 0
+          cat
+        end
+        
+        def annotate(path, identifier=nil)
+          cmd = "#{BZR_BIN} annotate --all"
+          cmd << " -r#{identifier.to_i}" if identifier && identifier.to_i > 0
+          cmd << " #{target(path)}"
+          blame = Annotate.new
+          shellout(cmd) do |io|
+            author = nil
+            identifier = nil
+            io.each_line do |line|
+              next unless line =~ %r{^(\d+) ([^|]+)\| (.*)$}
+              blame.add_line($3.rstrip, Revision.new(:identifier => $1.to_i, :author => $2.strip))
+            end
+          end
+          return nil if $? && $?.exitstatus != 0
+          blame
+        end
+      end
+    end
+  end
+end