Chris@0: # redMine - project management software
Chris@0: # Copyright (C) 2006-2007  Jean-Philippe Lang
Chris@0: # Copyright (C) 2007  Patrick Aljord patcito@ŋmail.com
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/git_adapter'
Chris@0: 
Chris@0: class Repository::Git < Repository
Chris@0:   attr_protected :root_url
Chris@0:   validates_presence_of :url
Chris@0: 
Chris@0:   def scm_adapter
Chris@0:     Redmine::Scm::Adapters::GitAdapter
Chris@0:   end
Chris@0:   
Chris@0:   def self.scm_name
Chris@0:     'Git'
Chris@0:   end
Chris@0: 
Chris@117:   # Returns the identifier for the given git changeset
Chris@117:   def self.changeset_identifier(changeset)
Chris@117:     changeset.scmid
Chris@117:   end
Chris@117: 
Chris@117:   # Returns the readable identifier for the given git changeset
Chris@117:   def self.format_changeset_identifier(changeset)
Chris@117:     changeset.revision[0, 8]
Chris@117:   end
Chris@117: 
Chris@0:   def branches
Chris@0:     scm.branches
Chris@0:   end
Chris@0: 
Chris@0:   def tags
Chris@0:     scm.tags
Chris@0:   end
Chris@0: 
Chris@0:   # With SCM's that have a sequential commit numbering, redmine is able to be
Chris@0:   # clever and only fetch changesets going forward from the most recent one
Chris@0:   # it knows about.  However, with git, you never know if people have merged
Chris@0:   # commits into the middle of the repository history, so we should parse
Chris@0:   # the entire log. Since it's way too slow for large repositories, we only
Chris@0:   # parse 1 week before the last known commit.
Chris@0:   # The repository can still be fully reloaded by calling #clear_changesets
Chris@0:   # before fetching changesets (eg. for offline resync)
Chris@0:   def fetch_changesets
Chris@0:     c = changesets.find(:first, :order => 'committed_on DESC')
Chris@0:     since = (c ? c.committed_on - 7.days : nil)
Chris@0: 
Chris@0:     revisions = scm.revisions('', nil, nil, :all => true, :since => since)
Chris@0:     return if revisions.nil? || revisions.empty?
Chris@0: 
Chris@0:     recent_changesets = changesets.find(:all, :conditions => ['committed_on >= ?', since])
Chris@0: 
Chris@0:     # Clean out revisions that are no longer in git
Chris@0:     recent_changesets.each {|c| c.destroy unless revisions.detect {|r| r.scmid.to_s == c.scmid.to_s }}
Chris@0: 
Chris@0:     # Subtract revisions that redmine already knows about
Chris@0:     recent_revisions = recent_changesets.map{|c| c.scmid}
Chris@0:     revisions.reject!{|r| recent_revisions.include?(r.scmid)}
Chris@0: 
Chris@0:     # Save the remaining ones to the database
Chris@0:     revisions.each{|r| r.save(self)} unless revisions.nil?
Chris@0:   end
Chris@0: 
Chris@0:   def latest_changesets(path,rev,limit=10)
Chris@0:     revisions = scm.revisions(path, nil, rev, :limit => limit, :all => false)
Chris@0:     return [] if revisions.nil? || revisions.empty?
Chris@0: 
Chris@0:     changesets.find(
Chris@0:       :all, 
Chris@0:       :conditions => [
Chris@0:         "scmid IN (?)", 
Chris@0:         revisions.map!{|c| c.scmid}
Chris@0:       ],
Chris@0:       :order => 'committed_on DESC'
Chris@0:     )
Chris@0:   end
Chris@0: end