Chris@0: # redMine - project management software
Chris@0: # Copyright (C) 2006-2007  Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@0: # 
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@0: # GNU General Public License for more details.
Chris@0: # 
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@0: 
Chris@0: require 'redmine/scm/adapters/mercurial_adapter'
Chris@0: 
Chris@0: class Repository::Mercurial < Repository
Chris@119:   # sort changesets by revision number
Chris@119:   has_many :changesets, :order => "#{Changeset.table_name}.id DESC", :foreign_key => 'repository_id'
Chris@119: 
Chris@0:   attr_protected :root_url
Chris@0:   validates_presence_of :url
Chris@0: 
Chris@0:   def scm_adapter
Chris@0:     Redmine::Scm::Adapters::MercurialAdapter
Chris@0:   end
Chris@119: 
Chris@0:   def self.scm_name
Chris@0:     'Mercurial'
Chris@0:   end
Chris@119: 
Chris@119:   # Returns the readable identifier for the given mercurial changeset
Chris@119:   def self.format_changeset_identifier(changeset)
Chris@119:     "#{changeset.revision}:#{changeset.scmid}"
Chris@119:   end
Chris@119: 
Chris@119:   # Returns the identifier for the given Mercurial changeset
Chris@119:   def self.changeset_identifier(changeset)
Chris@119:     changeset.scmid
Chris@119:   end
Chris@119: 
Chris@119:   def diff_format_revisions(cs, cs_to, sep=':')
Chris@119:     super(cs, cs_to, ' ')
Chris@119:   end
Chris@119: 
Chris@0:   def entries(path=nil, identifier=nil)
Chris@0:     entries=scm.entries(path, identifier)
Chris@0:     if entries
Chris@0:       entries.each do |entry|
Chris@0:         next unless entry.is_file?
Chris@0:         # Set the filesize unless browsing a specific revision
Chris@0:         if identifier.nil?
Chris@0:           full_path = File.join(root_url, entry.path)
Chris@0:           entry.size = File.stat(full_path).size if File.file?(full_path)
Chris@0:         end
Chris@0:         # Search the DB for the entry's last change
Chris@0:         change = changes.find(:first, :conditions => ["path = ?", scm.with_leading_slash(entry.path)], :order => "#{Changeset.table_name}.committed_on DESC")
Chris@0:         if change
Chris@0:           entry.lastrev.identifier = change.changeset.revision
Chris@0:           entry.lastrev.name = change.changeset.revision
Chris@0:           entry.lastrev.author = change.changeset.committer
Chris@0:           entry.lastrev.revision = change.revision
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@0:     entries
Chris@0:   end
Chris@0: 
Chris@119:   # Finds and returns a revision with a number or the beginning of a hash
Chris@119:   def find_changeset_by_name(name)
Chris@119:     return nil if name.nil? || name.empty?
Chris@119:     if /[^\d]/ =~ name or name.to_s.size > 8
Chris@119:       e = changesets.find(:first, :conditions => ['scmid = ?', name.to_s])
Chris@119:     else
Chris@119:       e = changesets.find(:first, :conditions => ['revision = ?', name.to_s])
Chris@119:     end
Chris@119:     return e if e
Chris@119:     changesets.find(:first, :conditions => ['scmid LIKE ?', "#{name}%"])  # last ditch
Chris@119:   end
Chris@119: 
Chris@119:   # Returns the latest changesets for +path+; sorted by revision number
Chris@119:   def latest_changesets(path, rev, limit=10)
Chris@119:     if path.blank?
Chris@119:       changesets.find(:all, :include => :user, :limit => limit)
Chris@119:     else
Chris@119:       changes.find(:all, :include => {:changeset => :user},
Chris@119:                          :conditions => ["path = ?", path.with_leading_slash],
Chris@119:                          :order => "#{Changeset.table_name}.id DESC",
Chris@119:                          :limit => limit).collect(&:changeset)
Chris@119:     end
Chris@119:   end
Chris@119: 
Chris@0:   def fetch_changesets
Chris@0:     scm_info = scm.info
Chris@0:     if scm_info
Chris@0:       # latest revision found in database
Chris@0:       db_revision = latest_changeset ? latest_changeset.revision.to_i : -1
Chris@0:       # latest revision in the repository
Chris@0:       latest_revision = scm_info.lastrev
Chris@0:       return if latest_revision.nil?
Chris@0:       scm_revision = latest_revision.identifier.to_i
Chris@0:       if db_revision < scm_revision
Chris@0:         logger.debug "Fetching changesets for repository #{url}" if logger && logger.debug?
Chris@0:         identifier_from = db_revision + 1
Chris@0:         while (identifier_from <= scm_revision)
Chris@0:           # loads changesets by batches of 100
Chris@0:           identifier_to = [identifier_from + 99, scm_revision].min
Chris@0:           revisions = scm.revisions('', identifier_from, identifier_to, :with_paths => true)
Chris@0:           transaction do
Chris@0:             revisions.each do |revision|
Chris@0:               changeset = Changeset.create(:repository => self,
Chris@0:                                            :revision => revision.identifier,
Chris@0:                                            :scmid => revision.scmid,
Chris@0:                                            :committer => revision.author, 
Chris@0:                                            :committed_on => revision.time,
Chris@0:                                            :comments => revision.message)
Chris@0:               
Chris@0:               revision.paths.each do |change|
Chris@0:                 changeset.create_change(change)
Chris@0:               end
Chris@0:             end
Chris@0:           end unless revisions.nil?
Chris@0:           identifier_from = identifier_to + 1
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@0:   end
Chris@0: end