Class: Redmine::Scm::Adapters::DarcsAdapter

Inherits:
AbstractAdapter show all
Defined in:
lib/redmine/scm/adapters/darcs_adapter.rb

Constant Summary

DARCS_BIN =

Darcs executable name

"darcs"

Class Method Summary (collapse)

Instance Method Summary (collapse)

Methods inherited from AbstractAdapter

#adapter_name, client_version_above?, client_version_string, #entry, #properties, #root_url, #shell_quote, #supports_annotate?, #url, #with_leading_slash, #with_trailling_slash, #without_leading_slash, #without_trailling_slash

Constructor Details

- (DarcsAdapter) initialize(url, root_url = nil, login = nil, password = nil)



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 47

def initialize(url, root_url=nil, =nil, password=nil)
  @url = url
  @root_url = url
end

Class Method Details

+ (Object) client_version



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 29

def client_version
  @@client_version ||= (darcs_binary_version || [])
end

+ (Object) darcs_binary_version



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 33

def darcs_binary_version
  cmd = "#{DARCS_BIN} --version"
  version = nil
  shellout(cmd) do |io|
    # Read darcs version in first returned line
    if m = io.gets.match(%r{((\d+\.)+\d+)})
      version = m[0].scan(%r{\d+}).collect(&:to_i)
    end
  end
  return nil if $? && $?.exitstatus != 0
  version
end

Instance Method Details

- (Object) cat(path, identifier = nil)



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 137

def cat(path, identifier=nil)
  cmd = "#{DARCS_BIN} show content --repodir #{@url}"
  cmd << " --match #{shell_quote("hash #{identifier}")}" if identifier
  cmd << " #{shell_quote path}"
  cat = nil
  shellout(cmd) do |io|
    io.binmode
    cat = io.read
  end
  return nil if $? && $?.exitstatus != 0
  cat
end

- (Object) diff(path, identifier_from, identifier_to = nil)



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 117

def diff(path, identifier_from, identifier_to=nil)
  path = '*' if path.blank?
  cmd = "#{DARCS_BIN} diff --repodir #{@url}"
  if identifier_to.nil?
    cmd << " --match #{shell_quote("hash #{identifier_from}")}"
  else
    cmd << " --to-match #{shell_quote("hash #{identifier_from}")}"
    cmd << " --from-match #{shell_quote("hash #{identifier_to}")}"
  end
  cmd << " -u #{shell_quote path}"
  diff = []
  shellout(cmd) do |io|
    io.each_line do |line|
      diff << line
    end
  end
  return nil if $? && $?.exitstatus != 0
  diff
end

- (Object) entries(path = nil, identifier = nil)

Returns an Entries collection or nil if the given path doesn't exist in the repository



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 65

def entries(path=nil, identifier=nil)
  path_prefix = (path.blank? ? '' : "#{path}/")
  path = '.' if path.blank?
  entries = Entries.new          
  cmd = "#{DARCS_BIN} annotate --repodir #{@url} --xml-output"
  cmd << " --match #{shell_quote("hash #{identifier}")}" if identifier
  cmd << " #{shell_quote path}"
  shellout(cmd) do |io|
    begin
      doc = REXML::Document.new(io)
      if doc.root.name == 'directory'
        doc.elements.each('directory/*') do |element|
          next unless ['file', 'directory'].include? element.name
          entries << entry_from_xml(element, path_prefix)
        end
      elsif doc.root.name == 'file'
        entries << entry_from_xml(doc.root, path_prefix)
      end
    rescue
    end
  end
  return nil if $? && $?.exitstatus != 0
  entries.compact.sort_by_name
end

- (Object) info

Get info about the darcs repository



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 58

def info
  rev = revisions(nil,nil,nil,{:limit => 1})
  rev ? Info.new({:root_url => @url, :lastrev => rev.last}) : nil
end

- (Object) revisions(path = nil, identifier_from = nil, identifier_to = nil, options = {})



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 90

def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
  path = '.' if path.blank?
  revisions = Revisions.new
  cmd = "#{DARCS_BIN} changes --repodir #{@url} --xml-output"
  cmd << " --from-match #{shell_quote("hash #{identifier_from}")}" if identifier_from
  cmd << " --last #{options[:limit].to_i}" if options[:limit]
  shellout(cmd) do |io|
    begin
      doc = REXML::Document.new(io)
      doc.elements.each("changelog/patch") do |patch|
        message = patch.elements['name'].text
        message << "\n" + patch.elements['comment'].text.gsub(/\*\*\*END OF DESCRIPTION\*\*\*.*\z/m, '') if patch.elements['comment']
        revisions << Revision.new({:identifier => nil,
                      :author => patch.attributes['author'],
                      :scmid => patch.attributes['hash'],
                      :time => Time.parse(patch.attributes['local_date']),
                      :message => message,
                      :paths => (options[:with_path] ? get_paths_for_patch(patch.attributes['hash']) : nil)
                    })
      end
    rescue
    end
  end
  return nil if $? && $?.exitstatus != 0
  revisions
end

- (Boolean) supports_cat?



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# File 'lib/redmine/scm/adapters/darcs_adapter.rb', line 52

def supports_cat?
  # cat supported in darcs 2.0.0 and higher
  self.class.client_version_above?([2, 0, 0])
end