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@245:   FETCH_AT_ONCE = 100  # number of changesets to fetch at once
Chris@245: 
Chris@245:   ATTRIBUTE_KEY_NAMES = {
Chris@245:       "url"          => "Root directory",
Chris@245:     }
Chris@245:   def self.human_attribute_name(attribute_key_name)
Chris@245:     ATTRIBUTE_KEY_NAMES[attribute_key_name] || super
Chris@245:   end
Chris@245: 
Chris@245:   def self.scm_adapter_class
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@245:   def repo_log_encoding
Chris@245:     'UTF-8'
Chris@245:   end
Chris@245: 
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@245:   def branches
Chris@245:     nil
Chris@245:   end
Chris@245: 
Chris@245:   def tags
Chris@245:     nil
Chris@245:   end
Chris@245: 
Chris@119:   def diff_format_revisions(cs, cs_to, sep=':')
Chris@119:     super(cs, cs_to, ' ')
Chris@119:   end
Chris@119: 
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@245:   # Default behavior is to search in cached changesets
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@245:       changesets.find(:all, :select => "DISTINCT #{Changeset.table_name}.*",
Chris@245:                       :joins => :changes,
Chris@245:                       :conditions => ["#{Change.table_name}.path = ? OR #{Change.table_name}.path LIKE ? ESCAPE ?",
Chris@245:                                       path.with_leading_slash,
Chris@245:                                       "#{path.with_leading_slash.gsub(/[%_\\]/) { |s| "\\#{s}" }}/%", '\\'],
Chris@245:                       :include => :user, :limit => limit)
Chris@119:     end
Chris@119:   end
Chris@119: 
Chris@0:   def fetch_changesets
Chris@245:     scm_rev = scm.info.lastrev.revision.to_i
Chris@245:     db_rev = latest_changeset ? latest_changeset.revision.to_i : -1
Chris@245:     return unless db_rev < scm_rev  # already up-to-date
Chris@245: 
Chris@245:     logger.debug "Fetching changesets for repository #{url}" if logger
Chris@245:     (db_rev + 1).step(scm_rev, FETCH_AT_ONCE) do |i|
Chris@245:       transaction do
Chris@245:         scm.each_revision('', i, [i + FETCH_AT_ONCE - 1, scm_rev].min) do |re|
Chris@245:           cs = Changeset.create(:repository => self,
Chris@245:                                 :revision => re.revision,
Chris@245:                                 :scmid => re.scmid,
Chris@245:                                 :committer => re.author,
Chris@245:                                 :committed_on => re.time,
Chris@245:                                 :comments => re.message)
Chris@245:           re.paths.each { |e| cs.create_change(e) }
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@245:     self
Chris@0:   end
Chris@0: end