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@0:   attr_protected :root_url
luis@225:   # validates_presence_of :url
Chris@0: 
Chris@3:   FETCH_AT_ONCE = 100  # number of changesets to fetch at once
Chris@3: 
Chris@0:   def scm_adapter
Chris@0:     Redmine::Scm::Adapters::MercurialAdapter
Chris@0:   end
Chris@0:   
Chris@0:   def self.scm_name
Chris@0:     'Mercurial'
Chris@0:   end
Chris@0:   
Chris@0:   def entries(path=nil, identifier=nil)
Chris@3:     scm.entries(path, identifier)
Chris@3:   end
Chris@3: 
Chris@3:   def branches
Chris@3:     bras = scm.branches
Chris@3:     bras.sort unless bras == %w|default|
Chris@3:   end
Chris@3: 
Chris@3:   # Returns the latest changesets for +path+
Chris@3:   def latest_changesets(path, rev, limit=10)
Chris@3:     changesets.find(:all, :include => :user,
Chris@3:                     :conditions => latest_changesets_cond(path, rev, limit),
Chris@3:                     :limit => limit)
Chris@3:   end
Chris@3: 
Chris@3:   def latest_changesets_cond(path, rev, limit)
Chris@3:     cond, args = [], []
Chris@3: 
Chris@3:     if scm.branchmap.member? rev
Chris@3:       # dirty hack to filter by branch. branch name should be in database.
Chris@3:       cond << "#{Changeset.table_name}.scmid IN (?)"
Chris@3:       args << scm.nodes_in_branch(rev, path, rev, 0, :limit => limit)
Chris@3:     elsif last = rev ? find_changeset_by_name(scm.tagmap[rev] || rev) : nil
Chris@3:       cond << "#{Changeset.table_name}.id <= ?"
Chris@3:       args << last.id
Chris@3:     end
Chris@3: 
Chris@3:     unless path.blank?
Chris@3:       # TODO: there must be a better way to build sub-query
Chris@3:       cond << "EXISTS (SELECT * FROM #{Change.table_name}
Chris@3:                  WHERE #{Change.table_name}.changeset_id = #{Changeset.table_name}.id
Chris@3:                  AND (#{Change.table_name}.path = ? OR #{Change.table_name}.path LIKE ?))"
Chris@3:       args << path.with_leading_slash << "#{path.with_leading_slash}/%"
Chris@3:     end
Chris@3: 
Chris@3:     [cond.join(' AND '), *args] unless cond.empty?
Chris@3:   end
Chris@3:   private :latest_changesets_cond
Chris@3: 
Chris@3:   def fetch_changesets
Chris@3:     scm_rev = scm.info.lastrev.revision.to_i
Chris@3:     db_rev = latest_changeset ? latest_changeset.revision.to_i : -1
Chris@3:     return unless db_rev < scm_rev  # already up-to-date
Chris@3: 
Chris@3:     logger.debug "Fetching changesets for repository #{url}" if logger
Chris@3:     (db_rev + 1).step(scm_rev, FETCH_AT_ONCE) do |i|
Chris@3:       transaction do
Chris@3:         scm.each_revision('', i, [i + FETCH_AT_ONCE - 1, scm_rev].min) do |re|
Chris@3:           cs = Changeset.create(:repository => self,
Chris@3:                                 :revision => re.revision,
Chris@3:                                 :scmid => re.scmid,
Chris@3:                                 :committer => re.author,
Chris@3:                                 :committed_on => re.time,
Chris@3:                                 :comments => re.message)
Chris@3:           re.paths.each { |e| cs.create_change(e) }
Chris@0:         end
Chris@0:       end
Chris@0:     end
Chris@3:     self
Chris@0:   end
Chris@0: end