migration.patch

Summarized patch - Karl Heinz Marbaise, 2008-10-19 10:58

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migrate_from_trac.rake (working copy)
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      class TracMilestone < ActiveRecord::Base
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        set_table_name :milestone
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        # If this attribute is set a milestone has a defined target timepoint        
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        def due
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          if read_attribute(:due) && read_attribute(:due) > 0
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            Time.at(read_attribute(:due)).to_date
......
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            nil
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          end
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        end
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        # This is the real timepoint at which the milestone has finished.
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        def completed
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          if read_attribute(:completed) && read_attribute(:completed) > 0
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            Time.at(read_attribute(:completed)).to_date
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          else
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            nil
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          end
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        end
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        def description
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          # Attribute is named descr in Trac v0.8.x
......
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            s
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          end
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        end
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        # Preformatted blocks
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        text = text.gsub(/\{\{\{/, '<pre>')
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        text = text.gsub(/\}\}\}/, '</pre>')          
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        # We would like to convert the Code highlighting too
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        # This will go into the next line.
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        shebang_line = false
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        # Reguar expression for start of code
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        pre_re = /\{\{\{/
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        # Code hightlighing...
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        shebang_re = /^\#\!([a-z]+)/
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        # Regular expression for end of code
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        pre_end_re = /\}\}\}/
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        # Go through the whole text..extract it line by line
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        text = text.gsub(/^(.*)$/) do |line|
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          m_pre = pre_re.match(line)
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          if m_pre
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            line = '<pre>'
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          else
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            m_sl = shebang_re.match(line)
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            if m_sl
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              shebang_line = true
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              line = '<code class="' + m_sl[1] + '">'
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            end
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            m_pre_end = pre_end_re.match(line)
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            if m_pre_end
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              line = '</pre>'
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              if shebang_line
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                line = '</code>' + line
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              end
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            end
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          end
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          line        
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        end
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        # Highlighting
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        text = text.gsub(/'''''([^\s])/, '_*\1')
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        text = text.gsub(/([^\s])'''''/, '\1*_')
......
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        migrated_ticket_attachments = 0
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        migrated_wiki_edits = 0      
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        migrated_wiki_attachments = 0
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        #Wiki system initializing...
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        @target_project.wiki.destroy if @target_project.wiki
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        @target_project.reload
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        wiki = Wiki.new(:project => @target_project, :start_page => 'WikiStart')
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        wiki_edit_count = 0
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        # Components
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        print "Migrating components"
......
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        TracMilestone.find(:all).each do |milestone|
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          print '.'
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          STDOUT.flush
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          # First we try to find the wiki page...
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          p = wiki.find_or_new_page(milestone.name.to_s)
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          p.content = WikiContent.new(:page => p) if p.new_record?
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          p.content.text = milestone.description.to_s
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          p.content.author = find_or_create_user('trac')
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          p.content.comments = 'Milestone'
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          p.save
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          v = Version.new :project => @target_project,
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                          :name => encode(milestone.name[0, limit_for(Version, 'name')]),
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                          :description => encode(milestone.description.to_s[0, limit_for(Version, 'description')]),
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                          :effective_date => milestone.due
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                          :description => nil,
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                          :wiki_page_title => milestone.name.to_s,
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                          :effective_date => milestone.completed
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          next unless v.save
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          version_map[milestone.name] = v
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          migrated_milestones += 1
......
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        # Wiki      
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        print "Migrating wiki"
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        @target_project.wiki.destroy if @target_project.wiki
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        @target_project.reload
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        wiki = Wiki.new(:project => @target_project, :start_page => 'WikiStart')
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        wiki_edit_count = 0
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        if wiki.save
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          TracWikiPage.find(:all, :order => 'name, version').each do |page|
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            # Do not migrate Trac manual wiki pages
......
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    TracMigrate.migrate
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  end
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end
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