view app/models/repository/darcs.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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/darcs_adapter'

class Repository::Darcs < Repository
  validates_presence_of :url, :log_encoding

  def self.human_attribute_name(attribute_key_name)
    attr_name = attribute_key_name
    if attr_name == "url"
      attr_name = "path_to_repository"
    end
    super(attr_name)
  end

  def self.scm_adapter_class
    Redmine::Scm::Adapters::DarcsAdapter
  end

  def self.scm_name
    'Darcs'
  end

  def supports_directory_revisions?
    true
  end

  def entry(path=nil, identifier=nil)
    patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
    scm.entry(path, patch.nil? ? nil : patch.scmid)
  end

  def entries(path=nil, identifier=nil)
    patch = nil
    if ! identifier.nil?
      patch = changesets.find_by_revision(identifier)
      return nil if patch.nil?
    end
    entries = scm.entries(path, patch.nil? ? nil : patch.scmid)
    if entries
      entries.each do |entry|
        # Search the DB for the entry's last change
        if entry.lastrev && !entry.lastrev.scmid.blank?
          changeset = changesets.find_by_scmid(entry.lastrev.scmid)
        end
        if changeset
          entry.lastrev.identifier = changeset.revision
          entry.lastrev.name       = changeset.revision
          entry.lastrev.time       = changeset.committed_on
          entry.lastrev.author     = changeset.committer
        end
      end
    end
    entries
  end

  def cat(path, identifier=nil)
    patch = identifier.nil? ? nil : changesets.find_by_revision(identifier.to_s)
    scm.cat(path, patch.nil? ? nil : patch.scmid)
  end

  def diff(path, rev, rev_to)
    patch_from = changesets.find_by_revision(rev)
    return nil if patch_from.nil?
    patch_to = changesets.find_by_revision(rev_to) if rev_to
    if path.blank?
      path = patch_from.changes.collect{|change| change.path}.join(' ')
    end
    patch_from ? scm.diff(path, patch_from.scmid, patch_to ? patch_to.scmid : nil) : nil
  end

  def fetch_changesets
    scm_info = scm.info
    if scm_info
      db_last_id = latest_changeset ? latest_changeset.scmid : nil
      next_rev   = latest_changeset ? latest_changeset.revision.to_i + 1 : 1
      # latest revision in the repository
      scm_revision = scm_info.lastrev.scmid
      unless changesets.find_by_scmid(scm_revision)
        revisions = scm.revisions('', db_last_id, nil, :with_path => true)
        transaction do
          revisions.reverse_each do |revision|
            changeset = Changeset.create(:repository   => self,
                                         :revision     => next_rev,
                                         :scmid        => revision.scmid,
                                         :committer    => revision.author,
                                         :committed_on => revision.time,
                                         :comments     => revision.message)
            revision.paths.each do |change|
              changeset.create_change(change)
            end
            next_rev += 1
          end if revisions
        end
      end
    end
  end
end