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# Redmine - project management software
# Copyright (C) 2006-2011 Jean-Philippe Lang
# Copyright (C) 2007 Patrick Aljord patcito@ŋmail.com
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'redmine/scm/adapters/git_adapter'
class Repository::Git < Repository
attr_protected :root_url
validates_presence_of :url
def self.human_attribute_name(attribute_key_name)
attr_name = attribute_key_name
if attr_name == "url"
attr_name = "path_to_repository"
end
super(attr_name)
end
def self.scm_adapter_class
Redmine::Scm::Adapters::GitAdapter
end
def self.scm_name
'Git'
end
def report_last_commit
extra_report_last_commit
end
def extra_report_last_commit
return false if extra_info.nil?
v = extra_info["extra_report_last_commit"]
return false if v.nil?
v.to_s != '0'
end
def supports_directory_revisions?
true
end
def repo_log_encoding
'UTF-8'
end
# Returns the identifier for the given git changeset
def self.changeset_identifier(changeset)
changeset.scmid
end
# Returns the readable identifier for the given git changeset
def self.format_changeset_identifier(changeset)
changeset.revision[0, 8]
end
def branches
scm.branches
end
def tags
scm.tags
end
def default_branch
scm.default_branch
rescue Exception => e
logger.error "git: error during get default branch: #{e.message}"
nil
end
def find_changeset_by_name(name)
return nil if name.nil? || name.empty?
e = changesets.find(:first, :conditions => ['revision = ?', name.to_s])
return e if e
changesets.find(:first, :conditions => ['scmid LIKE ?', "#{name}%"])
end
def entries(path=nil, identifier=nil)
scm.entries(path,
identifier,
options = {:report_last_commit => extra_report_last_commit})
end
# With SCMs that have a sequential commit numbering,
# such as Subversion and Mercurial,
# Redmine is able to be clever and only fetch changesets
# going forward from the most recent one it knows about.
#
# However, Git does not have a sequential commit numbering.
#
# In order to fetch only new adding revisions,
# Redmine needs to parse revisions per branch.
# Branch "last_scmid" is for this requirement.
#
# In Git and Mercurial, revisions are not in date order.
# Redmine Mercurial fixed issues.
# * Redmine Takes Too Long On Large Mercurial Repository
# http://www.redmine.org/issues/3449
# * Sorting for changesets might go wrong on Mercurial repos
# http://www.redmine.org/issues/3567
#
# Database revision column is text, so Redmine can not sort by revision.
# Mercurial has revision number, and revision number guarantees revision order.
# Redmine Mercurial model stored revisions ordered by database id to database.
# So, Redmine Mercurial model can use correct ordering revisions.
#
# Redmine Mercurial adapter uses "hg log -r 0:tip --limit 10"
# to get limited revisions from old to new.
# But, Git 1.7.3.4 does not support --reverse with -n or --skip.
#
# The repository can still be fully reloaded by calling #clear_changesets
# before fetching changesets (eg. for offline resync)
def fetch_changesets
scm_brs = branches
return if scm_brs.nil? || scm_brs.empty?
h1 = extra_info || {}
h = h1.dup
h["branches"] ||= {}
h["db_consistent"] ||= {}
if changesets.count == 0
h["db_consistent"]["ordering"] = 1
merge_extra_info(h)
self.save
elsif ! h["db_consistent"].has_key?("ordering")
h["db_consistent"]["ordering"] = 0
merge_extra_info(h)
self.save
end
scm_brs.each do |br1|
br = br1.to_s
from_scmid = nil
from_scmid = h["branches"][br]["last_scmid"] if h["branches"][br]
h["branches"][br] ||= {}
scm.revisions('', from_scmid, br, {:reverse => true}) do |rev|
db_rev = find_changeset_by_name(rev.revision)
transaction do
if db_rev.nil?
db_saved_rev = save_revision(rev)
parents = {}
parents[db_saved_rev] = rev.parents unless rev.parents.nil?
parents.each do |ch, chparents|
ch.parents = chparents.collect{|rp| find_changeset_by_name(rp)}.compact
end
end
h["branches"][br]["last_scmid"] = rev.scmid
merge_extra_info(h)
self.save
end
end
end
end
def save_revision(rev)
changeset = Changeset.new(
:repository => self,
:revision => rev.identifier,
:scmid => rev.scmid,
:committer => rev.author,
:committed_on => rev.time,
:comments => rev.message
)
if changeset.save
rev.paths.each do |file|
Change.create(
:changeset => changeset,
:action => file[:action],
:path => file[:path])
end
end
changeset
end
private :save_revision
def latest_changesets(path,rev,limit=10)
revisions = scm.revisions(path, nil, rev, :limit => limit, :all => false)
return [] if revisions.nil? || revisions.empty?
changesets.find(
:all,
:conditions => [
"scmid IN (?)",
revisions.map!{|c| c.scmid}
],
:order => 'committed_on DESC'
)
end
end
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