Chris@441: # Redmine - project management software
Chris@441: # Copyright (C) 2006-2011  Jean-Philippe Lang
Chris@0: # Copyright (C) 2007  Patrick Aljord patcito@ŋmail.com
Chris@441: #
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@441: #
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@441: #
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@245:   def self.human_attribute_name(attribute_key_name)
Chris@441:     attr_name = attribute_key_name
Chris@441:     if attr_name == "url"
Chris@441:       attr_name = "path_to_repository"
Chris@441:     end
Chris@441:     super(attr_name)
Chris@245:   end
Chris@245: 
Chris@245:   def self.scm_adapter_class
Chris@0:     Redmine::Scm::Adapters::GitAdapter
Chris@0:   end
Chris@245: 
Chris@0:   def self.scm_name
Chris@0:     'Git'
Chris@0:   end
Chris@0: 
Chris@441:   def report_last_commit
Chris@441:     extra_report_last_commit
Chris@441:   end
Chris@441: 
Chris@441:   def extra_report_last_commit
Chris@441:     return false if extra_info.nil?
Chris@441:     v = extra_info["extra_report_last_commit"]
Chris@441:     return false if v.nil?
Chris@441:     v.to_s != '0'
Chris@441:   end
Chris@441: 
Chris@441:   def supports_directory_revisions?
Chris@441:     true
Chris@441:   end
Chris@441: 
Chris@245:   def repo_log_encoding
Chris@245:     'UTF-8'
Chris@245:   end
Chris@245: 
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@507:   def default_branch
Chris@507:     scm.default_branch
Chris@507:   end
Chris@507: 
Chris@245:   def find_changeset_by_name(name)
Chris@245:     return nil if name.nil? || name.empty?
Chris@245:     e = changesets.find(:first, :conditions => ['revision = ?', name.to_s])
Chris@245:     return e if e
Chris@245:     changesets.find(:first, :conditions => ['scmid LIKE ?', "#{name}%"])
Chris@245:   end
Chris@245: 
Chris@441:   def entries(path=nil, identifier=nil)
Chris@441:     scm.entries(path,
Chris@441:                 identifier,
Chris@441:                 options = {:report_last_commit => extra_report_last_commit})
Chris@441:   end
Chris@441: 
Chris@441:   # In Git and Mercurial, revisions are not in date order.
Chris@441:   # Redmine Mercurial fixed issues.
Chris@441:   #    * Redmine Takes Too Long On Large Mercurial Repository
Chris@441:   #      http://www.redmine.org/issues/3449
Chris@441:   #    * Sorting for changesets might go wrong on Mercurial repos
Chris@441:   #      http://www.redmine.org/issues/3567
Chris@441:   #
Chris@441:   # Database revision column is text, so Redmine can not sort by revision.
Chris@441:   # Mercurial has revision number, and revision number guarantees revision order.
Chris@441:   # Redmine Mercurial model stored revisions ordered by database id to database.
Chris@441:   # So, Redmine Mercurial model can use correct ordering revisions.
Chris@441:   #
Chris@441:   # Redmine Mercurial adapter uses "hg log -r 0:tip --limit 10"
Chris@441:   # to get limited revisions from old to new.
Chris@441:   # But, Git 1.7.3.4 does not support --reverse with -n or --skip.
Chris@441:   #
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@441:     scm_brs = branches
Chris@441:     return if scm_brs.nil? || scm_brs.empty?
Chris@441:     h1 = extra_info || {}
Chris@441:     h  = h1.dup
Chris@441:     h["branches"]       ||= {}
Chris@441:     h["db_consistent"]  ||= {}
Chris@441:     if changesets.count == 0
Chris@441:       h["db_consistent"]["ordering"] = 1
Chris@441:       merge_extra_info(h)
Chris@441:       self.save
Chris@441:     elsif ! h["db_consistent"].has_key?("ordering")
Chris@441:       h["db_consistent"]["ordering"] = 0
Chris@441:       merge_extra_info(h)
Chris@441:       self.save
Chris@441:     end
Chris@441:     scm_brs.each do |br|
Chris@441:       from_scmid = nil
Chris@441:       from_scmid = h["branches"][br]["last_scmid"] if h["branches"][br]
Chris@441:       h["branches"][br] ||= {}
Chris@441:       scm.revisions('', from_scmid, br, {:reverse => true}) do |rev|
Chris@441:         db_rev = find_changeset_by_name(rev.revision)
Chris@245:         transaction do
Chris@441:           if db_rev.nil?
Chris@441:             save_revision(rev)
Chris@245:           end
Chris@441:           h["branches"][br]["last_scmid"] = rev.scmid
Chris@441:           merge_extra_info(h)
Chris@441:           self.save
Chris@245:         end
Chris@245:       end
Chris@245:     end
Chris@0:   end
Chris@0: 
Chris@441:   def save_revision(rev)
Chris@441:     changeset = Changeset.new(
Chris@441:               :repository   => self,
Chris@441:               :revision     => rev.identifier,
Chris@441:               :scmid        => rev.scmid,
Chris@441:               :committer    => rev.author,
Chris@441:               :committed_on => rev.time,
Chris@441:               :comments     => rev.message
Chris@441:               )
Chris@441:     if changeset.save
Chris@441:       rev.paths.each do |file|
Chris@441:         Change.create(
Chris@441:                   :changeset => changeset,
Chris@441:                   :action    => file[:action],
Chris@441:                   :path      => file[:path])
Chris@441:       end
Chris@441:     end
Chris@441:   end
Chris@441:   private :save_revision
Chris@441: 
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@441:       :all,
Chris@0:       :conditions => [
Chris@441:         "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