Class: Redmine::Scm::Adapters::MercurialAdapter

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 34

def client_command
  @@bin    ||= HG_BIN
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 42

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

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 50

def hgversion
  # The hg version is expressed either as a
  # release number (eg 0.9.5 or 1.0) or as a revision
  # id composed of 12 hexa characters.
  theversion = hgversion_from_command_line.dup
  if theversion.respond_to?(:force_encoding)
    theversion.force_encoding('ASCII-8BIT')
  end
  if m = theversion.match(%r{\A(.*?)((\d+\.)+\d+)})
    m[2].scan(%r{\d+}).collect(&:to_i)
  end
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 63

def hgversion_from_command_line
  shellout("#{sq_bin} --version") { |io| io.read }.to_s
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 38

def sq_bin
  @@sq_bin ||= shell_quote(HG_BIN)
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 67

def template_path
  @@template_path ||= template_path_for(client_version)
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 71

def template_path_for(version)
  if ((version <=> [0,9,5]) > 0) || version.empty?
    ver = "1.0"
  else
    ver = "0.9.5"
  end
  "#{HELPERS_DIR}/#{TEMPLATE_NAME}-#{ver}.#{TEMPLATE_EXTENSION}"
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 105

def branches
  as_ary(summary['repository']['branch']).map { |e| e['name'] }
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 110

def branchmap
  alist = as_ary(summary['repository']['branch']).map do |e|
    e.values_at('name', 'node')
  end
  Hash[*alist.flatten]
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 250

def cat(path, identifier=nil)
  p = CGI.escape(scm_iconv(@path_encoding, 'UTF-8', path))
  hg 'rhcat', '-r', CGI.escape(hgrev(identifier)), hgtarget(p) do |io|
    io.binmode
    io.read
  end
rescue HgCommandAborted
  nil  # means not found
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 228

def diff(path, identifier_from, identifier_to=nil)
  hg_args = %w|rhdiff|
  if identifier_to
    hg_args << '-r' << hgrev(identifier_to) << '-r' << hgrev(identifier_from)
  else
    hg_args << '-c' << hgrev(identifier_from)
  end
  unless path.blank?
    p = scm_iconv(@path_encoding, 'UTF-8', path)
    hg_args << CGI.escape(hgtarget(p))
  end
  diff = []
  hg *hg_args do |io|
    io.each_line do |line|
      diff << line
    end
  end
  diff
rescue HgCommandAborted
  nil  # means not found
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 177

def each_revision(path=nil, identifier_from=nil, identifier_to=nil, options={})
  hg_args = ['log', '--debug', '-C', '--style', self.class.template_path]
  hg_args << '-r' << "#{hgrev(identifier_from)}:#{hgrev(identifier_to)}"
  hg_args << '--limit' << options[:limit] if options[:limit]
  hg_args << hgtarget(path) unless path.blank?
  log = hg(*hg_args) do |io|
    output = io.read
    if output.respond_to?(:force_encoding)
      output.force_encoding('UTF-8')
    end
    begin
      # Mercurial < 1.5 does not support footer template for '</log>'
      ActiveSupport::XmlMini.parse("#{output}</log>")['log']
    rescue
    end
  end

  as_ary(log['logentry']).each do |le|
    cpalist = as_ary(le['paths']['path-copied']).map do |e|
      [e['__content__'], e['copyfrom-path']].map do |s|
        scm_iconv('UTF-8', @path_encoding, CGI.unescape(s))
      end
    end
    cpmap = Hash[*cpalist.flatten]

    paths = as_ary(le['paths']['path']).map do |e|
      p = scm_iconv('UTF-8', @path_encoding, CGI.unescape(e['__content__']) )
      {:action => e['action'], :path => with_leading_slash(p),
       :from_path => (cpmap.member?(p) ? with_leading_slash(cpmap[p]) : nil),
       :from_revision => (cpmap.member?(p) ? le['revision'] : nil)}
    end.sort { |a, b| a[:path] <=> b[:path] }

    yield Revision.new(:revision => le['revision'],
                       :scmid => le['node'],
                       :author => (le['author']['__content__'] rescue ''),
                       :time => Time.parse(le['date']['__content__']),
                       :message => le['msg']['__content__'],
                       :paths => paths)
  end
  self
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 132

def entries(path=nil, identifier=nil)
  p1 = scm_iconv(@path_encoding, 'UTF-8', path)
  manifest = hg('rhmanifest', '-r', CGI.escape(hgrev(identifier)),
                CGI.escape(without_leading_slash(p1.to_s))) do |io|
    output = io.read
    if output.respond_to?(:force_encoding)
      output.force_encoding('UTF-8')
    end
    begin
      ActiveSupport::XmlMini.parse(output)['rhmanifest']['repository']['manifest']
    rescue
    end
  end
  path_prefix = path.blank? ? '' : with_trailling_slash(path)

  entries = Entries.new
  as_ary(manifest['dir']).each do |e|
    n = scm_iconv('UTF-8', @path_encoding, CGI.unescape(e['name']))
    p = "#{path_prefix}#{n}"
    entries << Entry.new(:name => n, :path => p, :kind => 'dir')
  end

  as_ary(manifest['file']).each do |e|
    n = scm_iconv('UTF-8', @path_encoding, CGI.unescape(e['name']))
    p = "#{path_prefix}#{n}"
    lr = Revision.new(:revision => e['revision'], :scmid => e['node'],
                      :identifier => e['node'],
                      :time => Time.at(e['time'].to_i))
    entries << Entry.new(:name => n, :path => p, :kind => 'file',
                         :size => e['size'].to_i, :lastrev => lr)
  end

  entries
rescue HgCommandAborted
  nil  # means not found
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 86

def info
  tip = summary['repository']['tip']
  Info.new(:root_url => CGI.unescape(summary['repository']['root']),
           :lastrev => Revision.new(:revision => tip['revision'],
                                    :scmid => tip['node']))
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 220

def nodes_in_branch(branch, options={})
  hg_args = ['rhlog', '--template', '{node|short}\n', '--rhbranch', CGI.escape(branch)]
  hg_args << '--from' << CGI.escape(branch)
  hg_args << '--to'   << '0'
  hg_args << '--limit' << options[:limit] if options[:limit]
  hg(*hg_args) { |io| io.readlines.map { |e| e.chomp } }
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 169

def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
  revs = Revisions.new
  each_revision(path, identifier_from, identifier_to, options) { |e| revs << e }
  revs
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 98

def tagmap
  alist = as_ary(summary['repository']['tag']).map do |e|
    e.values_at('name', 'node')
  end
  Hash[*alist.flatten]
end

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# File 'lib/redmine/scm/adapters/mercurial_adapter.rb', line 93

def tags
  as_ary(summary['repository']['tag']).map { |e| e['name'] }
end