# encoding: utf-8
#--
# Copyright (C) 2012-2014 Gitorious AS
# Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
# Copyright (C) 2009 Fabio Akita
# Copyright (C) 2008 David Chelimsky
# Copyright (C) 2008 David A. Cuadrado
# Copyright (C) 2008 Tim Dysinger
# Copyright (C) 2008 David Aguilar
# Copyright (C) 2008 Tor Arne Vestbø
# Copyright (C) 2007, 2008 Johan Sørensen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see .
#++
require "gitorious"
require "gitorious/messaging"
class Repository < ActiveRecord::Base
include Gitorious::Messaging::Publisher
include Watchable
include Gitorious::Authorization
include Gitorious::Protectable
KIND_PROJECT_REPO = 0
KIND_WIKI = 1
KIND_TEAM_REPO = 2
KIND_USER_REPO = 3
KIND_TRACKING_REPO = 4
KINDS_INTERNAL_REPO = [KIND_WIKI, KIND_TRACKING_REPO]
belongs_to :user
belongs_to :project
belongs_to :owner, :polymorphic => true
has_many :repository_memberships, :as => :content
has_many :content_memberships, :as => :content
belongs_to :parent, :class_name => "Repository"
has_many :clones, :class_name => "Repository", :foreign_key => "parent_id",
:dependent => :nullify
has_many :comments, :as => :target, :dependent => :destroy
has_many :merge_requests, :foreign_key => "target_repository_id",
:order => "status, id desc", :dependent => :destroy
has_many :proposed_merge_requests, :foreign_key => "source_repository_id",
:class_name => "MergeRequest", :order => "id desc", :dependent => :destroy
has_many :cloners, :dependent => :destroy
has_many :events, :as => :target, :dependent => :destroy
has_many :services, :dependent => :destroy
has_many :_committerships, :dependent => :destroy
def committerships
RepositoryCommitterships.new(self)
end
after_destroy :post_repo_deletion_message
scope :by_users, :conditions => { :kind => KIND_USER_REPO } do
def fresh(limit = 10)
order("last_pushed_at DESC").limit(limit)
end
end
scope :by_groups, :conditions => { :kind => KIND_TEAM_REPO } do
def fresh(limit=10)
order("last_pushed_at DESC").limit(limit)
end
end
scope :clones, :conditions => ["kind in (?) and parent_id is not null",
[KIND_TEAM_REPO, KIND_USER_REPO]]
scope :mainlines, :conditions => { :kind => KIND_PROJECT_REPO }
scope :regular, :conditions => ["kind in (?)", [KIND_TEAM_REPO, KIND_USER_REPO,
KIND_PROJECT_REPO]]
def open_merge_requests
# merge_requests.open doesn't quite work, presumably related to the
# issue of 'open': Object#open, "open" state and "open" scope. Overload!
# TODO: Refactor MergeRequest
merge_requests.where({}).open
end
def destroy
merge_requests.each &:destroy
reload
super
end
def self.human_name
I18n.t("activerecord.models.repository")
end
def self.find_by_name_in_project!(name, containing_project = nil)
if containing_project
find_by_name_and_project_id!(name, containing_project.id)
else
find_by_name!(name)
end
end
def self.find_by_path(path)
base_path = path.gsub(/^#{Regexp.escape(RepositoryRoot.default_base_path)}/, "")
path_components = base_path.split("/").reject{|p| p.blank? }
repo_name, owner_name = [path_components.pop, path_components.shift]
project_name = path_components.pop
repo_name.sub!(/\.git/, "")
raise ActiveRecord::RecordNotFound unless owner_name
owner = case owner_name[0].chr
when "+"
Group.find_by_name!(owner_name.sub(/^\+/, ""))
when "~"
User.find_by_login!(owner_name.sub(/^~/, ""))
else
Project.find_by_slug!(owner_name)
end
if owner.is_a?(Project)
owner_conditions = { :project_id => owner.id }
else
owner_conditions = { :owner_type => owner.class.name, :owner_id => owner.id }
end
if project_name
if project = Project.find_by_slug(project_name)
owner_conditions.merge!(:project_id => project.id)
end
end
Repository.where({ :name => repo_name }.merge(owner_conditions)).first
end
def self.delete_git_repository(path)
git_backend.delete!(RepositoryRoot.expand(path).to_s)
end
def self.most_active_clones_in_projects(projects, limit = 5)
key = "repository:most_active_clones_in_projects:#{projects.map(&:id).join('-')}:#{limit}"
clone_ids = projects.map do |project|
project.repositories.clones.map{|r| r.id }
end.flatten
select("distinct repositories.*, count(events.id) as event_count").
where("repositories.id in (?) and events.created_at > ? and kind in (?)",
clone_ids, 7.days.ago,
[KIND_USER_REPO, KIND_TEAM_REPO]).
order("count(events.id) desc").
joins(:events).
includes(:project).
group("repositories.id").
limit(limit)
end
def self.most_active_clones(limit = 10)
select("distinct repositories.id, repositories.*, count(events.id) as event_count").
where("events.created_at > ? and kind in (?)",
7.days.ago,
[KIND_USER_REPO, KIND_TEAM_REPO]).
order("count(events.id) desc").
group("repositories.id").
joins(:events).
includes(:project).
limit(limit)
end
# Finds all repositories that might be due for a gc, starting with
# the ones who've been pushed to recently
def self.all_due_for_gc(batch_size = 25)
where("push_count_since_gc > 0").
order("push_count_since_gc desc").
limit(batch_size)
end
def gitdir
"#{url_path}.git"
end
# The project/repo path segment is useful for more things than URLs
def path_segment
File.join(project.to_param_with_prefix, name)
end
def url_path
path_segment
end
def real_gitdir
"#{self.full_hashed_path}.git"
end
def browse_url
Gitorious.url(url_path)
end
def default_clone_protocol
return "git" if git_cloning?
return "http" if http_cloning?
"ssh"
end
def default_clone_url
send(:"#{default_clone_protocol}_clone_url")
end
def clone_url
if http_cloning?
http_clone_url
elsif ssh_cloning?
ssh_clone_url
else
raise "cloning disabled"
end
end
def ssh_clone_url
Gitorious.ssh_daemon.url(gitdir)
end
def git_clone_url
Gitorious.git_daemon.url(gitdir)
end
def http_clone_url
Gitorious.git_http.url(gitdir)
end
def http_cloning?
!Gitorious.git_http.nil?
end
def git_cloning?
return !Gitorious.git_daemon.nil? && public?
end
def ssh_cloning?
return !Gitorious.ssh_daemon.nil?
end
def push_url
if ssh_cloning?
ssh_clone_url
elsif http_cloning?
http_clone_url
else
raise "pushing disabled"
end
end
def display_ssh_url?(user)
return true if !http_cloning? && !git_cloning? && ssh_cloning?
can_push?(user, self)
end
def full_repository_path
RepositoryRoot.expand(real_gitdir).to_s
end
def git
Grit::Repo.new(full_repository_path)
end
def has_commits?
return false if new_record? || !ready?
!git.heads.empty?
end
def self.git_backend
Rails.env.test? ? MockGitBackend : GitBackend
end
def git_backend
Rails.env.test? ? MockGitBackend : GitBackend
end
def to_param
name
end
def to_xml(opts = {})
info_proc = Proc.new do |options|
builder = options[:builder]
builder.owner(owner.to_param, :kind => (owned_by_group? ? "Team" : "User"))
builder.kind(["mainline", "wiki", "team", "user"][self.kind])
builder.project(project.to_param)
end
super({
:procs => [info_proc],
:only => [:name, :created_at, :ready, :description, :last_pushed_at],
:methods => [:clone_url, :push_url, :parent]
}.merge(opts))
end
def head_candidate
return nil unless has_commits?
@head_candidate ||= head || git.heads.first
end
def head_candidate_name
return head.name if head = head_candidate
"master"
end
def head
git && git.head
end
def head=(head_name)
if new_head = git.heads.find{|h| h.name == head_name }
unless git.head == new_head
git.update_head(new_head)
end
end
end
def last_commit(ref = nil)
if has_commits?
@last_commit ||= Array(git.commits(ref || head_candidate.name, 1)).first
end
@last_commit
end
def commit_for_tree_path(ref, commit_id, path)
Rails.cache.fetch("treecommit:#{commit_id}:#{Digest::SHA1.hexdigest(ref+path)}") do
git.log(ref, path, {:max_count => 1}).first
end
end
# changes the owner to +another_owner+, removes the old owner as committer
# and adds +another_owner+ as committer
def change_owner_to!(another_owner)
return if owned_by_group?
transaction do
committerships.destroy_for_owner
self.owner = another_owner
if self.kind != KIND_PROJECT_REPO # project_repo?
case another_owner
when Group
self.kind = KIND_TEAM_REPO
when User
self.kind = KIND_USER_REPO
end
end
committerships.update_owner(another_owner)
save!
reload
end
end
def post_repo_deletion_message
payload = {
:target_class => self.class.name,
:command => "delete_git_repository",
:arguments => [real_gitdir]
}
publish("/queue/GitoriousRepositoryDeletion", payload)
end
def total_commit_count
events.count(:conditions => {:action => Action::COMMIT})
end
def git_derived_total_commit_count(ref)
begin
total = git.commit_count(ref)
rescue Grit::Git::GitTimeout
total = 2046
end
end
def paginated_commits(ref, page, per_page = 30)
page = (page || 1).to_i
total = git_derived_total_commit_count(ref)
offset = (page - 1) * per_page
commits = WillPaginate::Collection.new(page, per_page, total)
commits.replace git.commits(ref, per_page, offset)
end
def cached_paginated_commits(ref, page, per_page = 30)
page = (page || 1).to_i
last_commit_id = last_commit(ref) ? last_commit(ref).id : nil
total = Rails.cache.fetch("paglogtotal:#{self.id}:#{last_commit_id}:#{ref}") do
begin
git.commit_count(ref)
rescue Grit::Git::GitTimeout
2046
end
end
Rails.cache.fetch("paglog:#{page}:#{self.id}:#{last_commit_id}:#{ref}") do
offset = (page - 1) * per_page
commits = WillPaginate::Collection.new(page, per_page, total)
commits.replace git.commits(ref, per_page, offset)
end
end
def count_commits_from_last_week_by_user(user)
return 0 unless has_commits?
commits_by_email = git.commits_since("master", "last week").collect do |commit|
commit.committer.email == user.email
end
commits_by_email.size
end
# TODO: cache
def commit_graph_data(head = "master")
commits = git.commits_since(head, "24 weeks ago")
commits_by_week = commits.group_by{|c| c.committed_date.strftime("%W") }
# build an initial empty set of 24 week commit data
weeks = [1.day.from_now-1.week]
23.times{|w| weeks << weeks.last-1.week }
week_numbers = weeks.map{|d| d.strftime("%W") }
commits = (0...24).to_a.map{|i| 0 }
commits_by_week.each do |week, commits_in_week|
if week_pos = week_numbers.index(week)
commits[week_pos+1] = commits_in_week.size
end
end
commits = [] if commits.max == 0
[week_numbers.reverse, commits.reverse]
end
# TODO: caching
def commit_graph_data_by_author(head = "master")
h = {}
emails = {}
data = self.git.git.shortlog({:e => true, :s => true }, head)
data.each_line do |line|
count, actor = line.split("\t")
actor = Grit::Actor.from_string(actor)
h[actor.name] ||= 0
h[actor.name] += count.to_i
emails[actor.email] = actor.name
end
User.where("email in (?)", emails.keys).each do |user|
author_name = emails[user.email]
if h[author_name] # in the event that a user with the same name has used two different emails, he'd be gone by now
h[user.login] = h.delete(author_name)
end
end
h
end
# Returns a Hash {email => user}, where email is selected from the +commits+
def self.users_by_commits(commits)
emails = commits.map { |commit| commit.author.email }.uniq
users = User.where("email in (?)", emails)
users_by_email = users.inject({}){|hash, user| hash[user.email] = user; hash }
users_by_email
end
def cloned_from(ip, country_code = "--", country_name = nil, protocol = "git")
cloners.create(:ip => ip, :date => Time.now.utc, :country_code => country_code, :country => country_name, :protocol => protocol)
end
def wiki?
kind == KIND_WIKI
end
def project_repo?
kind == KIND_PROJECT_REPO
end
def mainline?
project_repo?
end
def team_repo?
kind == KIND_TEAM_REPO
end
def user_repo?
kind == KIND_USER_REPO
end
def tracking_repo?
kind == KIND_TRACKING_REPO
end
def owned_by_group?
owner.is_a?(Group) || owner.is_a?(LdapGroup)
end
def internal?
wiki? || tracking_repo?
end
def title
name
end
def owner_title
mainline? ? project.title : owner.title
end
# returns the project if it's a KIND_PROJECT_REPO, otherwise the owner
def project_or_owner
project_repo? ? project : owner
end
# Returns a list of users being either the owner (if User) or each admin member (if Group)
def owners
result = if owned_by_group?
owner.members.select do |member|
if owner.respond_to?(:admin)
admin?(member, owner)
else
admin?(member, owner)
end
end
else
[owner]
end
return result
end
def full_hashed_path
self.hashed_path || set_repository_path
end
def set_repository_path
if RepositoryRoot.shard_dirs?
set_repository_hash
else
set_repository_plain_path
end
end
def set_repository_plain_path
self.hashed_path ||= repository_plain_path
end
def repository_plain_path
if project
"#{self.project.slug}/#{self.name}"
else
"#{self.name}"
end
end
alias_method :slug, :repository_plain_path
def set_repository_hash
self.hashed_path ||= begin
raw_hash = Digest::SHA1.hexdigest(owner.to_param +
self.to_param +
Time.now.to_f.to_s +
SecureRandom.hex)
sharded_hash = sharded_hashed_path(raw_hash)
sharded_hash
end
end
# Creates a block within which we generate events for each attribute changed
# as long as it's changed to a legal value
def log_changes_with_user(a_user)
@updated_fields = []
yield
log_updates(a_user)
end
# Replaces a value within a log_changes_with_user block
def replace_value(field, value, allow_blank = false)
old_value = read_attribute(field)
return if !allow_blank && value.blank? || old_value == value
self.send("#{field}=", value)
validation = RepositoryValidator.call(self)
if validation.errors[field].length == 0
@updated_fields << field
end
end
# Logs events that occured within a log_changes_with_user block
def log_updates(a_user)
@updated_fields.each do |field_name|
events.build(:action => Action::UPDATE_REPOSITORY, :user => a_user, :project => project, :body => "Changed the repository #{field_name.to_s}")
end
end
def requires_signoff_on_merge_requests?
mainline? && project.merge_requests_need_signoff?
end
def tracking_repository
self.class.where(:parent_id => self, :kind => KIND_TRACKING_REPO).first
end
def has_tracking_repository?
!tracking_repository.nil?
end
def next_merge_request_sequence_number
last_merge_request_sequence_number + 1
end
# Runs git-gc on this repository, and updates the last_gc_at attribute
def gc!
Grit::Git.with_timeout(nil) do
if self.git.git.gc
self.last_gc_at = Time.now
self.push_count_since_gc = 0
return save
end
end
end
def register_push
self.last_pushed_at = Time.now.utc
self.push_count_since_gc = push_count_since_gc.to_i + 1
update_disk_usage
end
def update_disk_usage
self.disk_usage = calculate_disk_usage
end
def calculate_disk_usage
@calculated_disk_usage ||= `du -sb #{full_repository_path} 2>/dev/null`.chomp.to_i
end
def matches_regexp?(term)
return user.login =~ term ||
name =~ term ||
(owned_by_group? ? owner.name =~ term : false) ||
description =~ term
end
def search_clones(term)
self.class.title_search(term, "parent_id", id)
end
# Searches for term in
# - title
# - description
# - owner name/login
#
# Scoped to column +key+ having +value+
#
# Example:
# title_search("foo", "parent_id", 1) # will find clones of Repo with id 1
# matching 'foo'
#
# title_search("foo", "project_id", 1) # will find repositories in Project#1
# matching 'foo'
def self.title_search(term, key, value)
sql = "SELECT repositories.* FROM repositories
INNER JOIN users on repositories.user_id=users.id
INNER JOIN groups on repositories.owner_id=groups.id
WHERE repositories.#{key}=:id
AND (repositories.name LIKE :q OR repositories.description LIKE :q OR groups.name LIKE :q)
AND repositories.owner_type='Group'
AND kind in (:kinds)
UNION ALL
SELECT repositories.* from repositories
INNER JOIN users on repositories.user_id=users.id
INNER JOIN users owners on repositories.owner_id=owners.id
WHERE repositories.#{key}=:id
AND (repositories.name LIKE :q OR repositories.description LIKE :q OR owners.login LIKE :q)
AND repositories.owner_type='User'
AND kind in (:kinds)"
self.find_by_sql([sql, {:q => "%#{term}%",
:id => value,
:kinds =>
[KIND_TEAM_REPO, KIND_USER_REPO, KIND_PROJECT_REPO]}])
end
alias :repo_public? :public?
def public?
repo_public? && project.public?
end
def self.private_on_create?(params = {})
return false if !Gitorious.private_repositories?
params.fetch(:private, Gitorious.repositories_default_private?)
end
def uniq_name?
repository = Repository.where("lower(name) = ? and project_id = ?", name, project_id).first
repository.nil? || repository == self
end
def uniq_hashed_path?
repository = Repository.where("lower(hashed_path) = ?", hashed_path).first
repository.nil? || repository == self
end
def name=(name)
self[:name] = name.respond_to?(:downcase) ? name.downcase : name
end
def kind=(kind)
if kind == :project
self[:kind] = Repository::KIND_PROJECT_REPO
elsif kind == :tracking
self[:kind] = Repository::KIND_TRACKING_REPO
elsif kind == :wiki
self[:kind] = Repository::KIND_WIKI
elsif kind == :user
self[:kind] = Repository::KIND_USER_REPO
elsif kind == :team
self[:kind] = Repository::KIND_TEAM_REPO
else
self[:kind] = kind
end
end
def commit_comments(id)
comments.where(:sha1 => id).includes(:user)
end
protected
def sharded_hashed_path(h)
first = h[0,3]
second = h[3,3]
last = h[-34, 34]
"#{first}/#{second}/#{last}"
end
def self.reserved_names
@reserved_names ||= []
end
def self.reserve_names(names)
@reserved_names ||= []
@reserved_names.concat(names)
end
end
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