609 lines
16 KiB
Ruby
609 lines
16 KiB
Ruby
# == Schema Information
|
|
#
|
|
# Table name: merge_requests
|
|
#
|
|
# id :integer not null, primary key
|
|
# target_branch :string(255) not null
|
|
# source_branch :string(255) not null
|
|
# source_project_id :integer not null
|
|
# author_id :integer
|
|
# assignee_id :integer
|
|
# title :string(255)
|
|
# created_at :datetime
|
|
# updated_at :datetime
|
|
# milestone_id :integer
|
|
# state :string(255)
|
|
# merge_status :string(255)
|
|
# target_project_id :integer not null
|
|
# iid :integer
|
|
# description :text
|
|
# position :integer default(0)
|
|
# locked_at :datetime
|
|
# updated_by_id :integer
|
|
# merge_error :string(255)
|
|
# merge_params :text
|
|
# merge_when_build_succeeds :boolean default(FALSE), not null
|
|
# merge_user_id :integer
|
|
# merge_commit_sha :string
|
|
#
|
|
|
|
class MergeRequest < ActiveRecord::Base
|
|
include InternalId
|
|
include Issuable
|
|
include Referable
|
|
include Sortable
|
|
include Taskable
|
|
|
|
belongs_to :target_project, foreign_key: :target_project_id, class_name: "Project"
|
|
belongs_to :source_project, foreign_key: :source_project_id, class_name: "Project"
|
|
belongs_to :merge_user, class_name: "User"
|
|
|
|
has_one :merge_request_diff, dependent: :destroy
|
|
|
|
serialize :merge_params, Hash
|
|
|
|
after_create :create_merge_request_diff
|
|
after_update :update_merge_request_diff
|
|
|
|
delegate :commits, :diffs, :real_size, to: :merge_request_diff, prefix: nil
|
|
|
|
# When this attribute is true some MR validation is ignored
|
|
# It allows us to close or modify broken merge requests
|
|
attr_accessor :allow_broken
|
|
|
|
# Temporary fields to store compare vars
|
|
# when creating new merge request
|
|
attr_accessor :can_be_created, :compare_commits, :compare
|
|
|
|
state_machine :state, initial: :opened do
|
|
event :close do
|
|
transition [:reopened, :opened] => :closed
|
|
end
|
|
|
|
event :mark_as_merged do
|
|
transition [:reopened, :opened, :locked] => :merged
|
|
end
|
|
|
|
event :reopen do
|
|
transition closed: :reopened
|
|
end
|
|
|
|
event :lock_mr do
|
|
transition [:reopened, :opened] => :locked
|
|
end
|
|
|
|
event :unlock_mr do
|
|
transition locked: :reopened
|
|
end
|
|
|
|
after_transition any => :locked do |merge_request, transition|
|
|
merge_request.locked_at = Time.now
|
|
merge_request.save
|
|
end
|
|
|
|
after_transition locked: (any - :locked) do |merge_request, transition|
|
|
merge_request.locked_at = nil
|
|
merge_request.save
|
|
end
|
|
|
|
state :opened
|
|
state :reopened
|
|
state :closed
|
|
state :merged
|
|
state :locked
|
|
end
|
|
|
|
state_machine :merge_status, initial: :unchecked do
|
|
event :mark_as_unchecked do
|
|
transition [:can_be_merged, :cannot_be_merged] => :unchecked
|
|
end
|
|
|
|
event :mark_as_mergeable do
|
|
transition [:unchecked, :cannot_be_merged] => :can_be_merged
|
|
end
|
|
|
|
event :mark_as_unmergeable do
|
|
transition [:unchecked, :can_be_merged] => :cannot_be_merged
|
|
end
|
|
|
|
state :unchecked
|
|
state :can_be_merged
|
|
state :cannot_be_merged
|
|
|
|
around_transition do |merge_request, transition, block|
|
|
merge_request.record_timestamps = false
|
|
begin
|
|
block.call
|
|
ensure
|
|
merge_request.record_timestamps = true
|
|
end
|
|
end
|
|
end
|
|
|
|
validates :source_project, presence: true, unless: :allow_broken
|
|
validates :source_branch, presence: true
|
|
validates :target_project, presence: true
|
|
validates :target_branch, presence: true
|
|
validates :merge_user, presence: true, if: :merge_when_build_succeeds?
|
|
validate :validate_branches, unless: :allow_broken
|
|
validate :validate_fork
|
|
|
|
scope :by_branch, ->(branch_name) { where("(source_branch LIKE :branch) OR (target_branch LIKE :branch)", branch: branch_name) }
|
|
scope :cared, ->(user) { where('assignee_id = :user OR author_id = :user', user: user.id) }
|
|
scope :by_milestone, ->(milestone) { where(milestone_id: milestone) }
|
|
scope :of_projects, ->(ids) { where(target_project_id: ids) }
|
|
scope :from_project, ->(project) { where(source_project_id: project.id) }
|
|
scope :merged, -> { with_state(:merged) }
|
|
scope :closed_and_merged, -> { with_states(:closed, :merged) }
|
|
|
|
scope :join_project, -> { joins(:target_project) }
|
|
scope :references_project, -> { references(:target_project) }
|
|
|
|
def self.reference_prefix
|
|
'!'
|
|
end
|
|
|
|
# Pattern used to extract `!123` merge request references from text
|
|
#
|
|
# This pattern supports cross-project references.
|
|
def self.reference_pattern
|
|
@reference_pattern ||= %r{
|
|
(#{Project.reference_pattern})?
|
|
#{Regexp.escape(reference_prefix)}(?<merge_request>\d+)
|
|
}x
|
|
end
|
|
|
|
def self.link_reference_pattern
|
|
@link_reference_pattern ||= super("merge_requests", /(?<merge_request>\d+)/)
|
|
end
|
|
|
|
# Returns all the merge requests from an ActiveRecord:Relation.
|
|
#
|
|
# This method uses a UNION as it usually operates on the result of
|
|
# ProjectsFinder#execute. PostgreSQL in particular doesn't always like queries
|
|
# using multiple sub-queries especially when combined with an OR statement.
|
|
# UNIONs on the other hand perform much better in these cases.
|
|
#
|
|
# relation - An ActiveRecord::Relation that returns a list of Projects.
|
|
#
|
|
# Returns an ActiveRecord::Relation.
|
|
def self.in_projects(relation)
|
|
source = where(source_project_id: relation).select(:id)
|
|
target = where(target_project_id: relation).select(:id)
|
|
union = Gitlab::SQL::Union.new([source, target])
|
|
|
|
where("merge_requests.id IN (#{union.to_sql})")
|
|
end
|
|
|
|
def to_reference(from_project = nil)
|
|
reference = "#{self.class.reference_prefix}#{iid}"
|
|
|
|
if cross_project_reference?(from_project)
|
|
reference = project.to_reference + reference
|
|
end
|
|
|
|
reference
|
|
end
|
|
|
|
def last_commit
|
|
merge_request_diff ? merge_request_diff.last_commit : compare_commits.last
|
|
end
|
|
|
|
def first_commit
|
|
merge_request_diff ? merge_request_diff.first_commit : compare_commits.first
|
|
end
|
|
|
|
def diff_size
|
|
merge_request_diff.size
|
|
end
|
|
|
|
def diff_base_commit
|
|
if merge_request_diff
|
|
merge_request_diff.base_commit
|
|
elsif source_sha
|
|
self.target_project.merge_base_commit(self.source_sha, self.target_branch)
|
|
end
|
|
end
|
|
|
|
def last_commit_short_sha
|
|
last_commit.short_id
|
|
end
|
|
|
|
def validate_branches
|
|
if target_project == source_project && target_branch == source_branch
|
|
errors.add :branch_conflict, "You can not use same project/branch for source and target"
|
|
end
|
|
|
|
if opened? || reopened?
|
|
similar_mrs = self.target_project.merge_requests.where(source_branch: source_branch, target_branch: target_branch, source_project_id: source_project.try(:id)).opened
|
|
similar_mrs = similar_mrs.where('id not in (?)', self.id) if self.id
|
|
if similar_mrs.any?
|
|
errors.add :validate_branches,
|
|
"Cannot Create: This merge request already exists: #{similar_mrs.pluck(:title)}"
|
|
end
|
|
end
|
|
end
|
|
|
|
def validate_fork
|
|
return true unless target_project && source_project
|
|
|
|
if target_project == source_project
|
|
true
|
|
else
|
|
# If source and target projects are different
|
|
# we should check if source project is actually a fork of target project
|
|
if source_project.forked_from?(target_project)
|
|
true
|
|
else
|
|
errors.add :validate_fork,
|
|
'Source project is not a fork of target project'
|
|
end
|
|
end
|
|
end
|
|
|
|
def update_merge_request_diff
|
|
if source_branch_changed? || target_branch_changed?
|
|
reload_code
|
|
end
|
|
end
|
|
|
|
def reload_code
|
|
if merge_request_diff && open?
|
|
merge_request_diff.reload_content
|
|
end
|
|
end
|
|
|
|
def check_if_can_be_merged
|
|
return unless unchecked?
|
|
|
|
can_be_merged =
|
|
!broken? && project.repository.can_be_merged?(source_sha, target_branch)
|
|
|
|
if can_be_merged
|
|
mark_as_mergeable
|
|
else
|
|
mark_as_unmergeable
|
|
end
|
|
end
|
|
|
|
def merge_event
|
|
self.target_project.events.where(target_id: self.id, target_type: "MergeRequest", action: Event::MERGED).last
|
|
end
|
|
|
|
def closed_event
|
|
self.target_project.events.where(target_id: self.id, target_type: "MergeRequest", action: Event::CLOSED).last
|
|
end
|
|
|
|
WIP_REGEX = /\A\s*(\[WIP\]\s*|WIP:\s*|WIP\s+)+\s*/i.freeze
|
|
|
|
def work_in_progress?
|
|
!!(title =~ WIP_REGEX)
|
|
end
|
|
|
|
def wipless_title
|
|
self.title.sub(WIP_REGEX, "")
|
|
end
|
|
|
|
def mergeable?
|
|
return false unless open? && !work_in_progress? && !broken?
|
|
|
|
check_if_can_be_merged
|
|
|
|
can_be_merged?
|
|
end
|
|
|
|
def gitlab_merge_status
|
|
if work_in_progress?
|
|
"work_in_progress"
|
|
else
|
|
merge_status_name
|
|
end
|
|
end
|
|
|
|
def can_cancel_merge_when_build_succeeds?(current_user)
|
|
can_be_merged_by?(current_user) || self.author == current_user
|
|
end
|
|
|
|
def can_remove_source_branch?(current_user)
|
|
!source_project.protected_branch?(source_branch) &&
|
|
!source_project.root_ref?(source_branch) &&
|
|
Ability.abilities.allowed?(current_user, :push_code, source_project) &&
|
|
last_commit == source_project.commit(source_branch)
|
|
end
|
|
|
|
def mr_and_commit_notes
|
|
# Fetch comments only from last 100 commits
|
|
commits_for_notes_limit = 100
|
|
commit_ids = commits.last(commits_for_notes_limit).map(&:id)
|
|
|
|
Note.where(
|
|
"(project_id = :target_project_id AND noteable_type = 'MergeRequest' AND noteable_id = :mr_id) OR" +
|
|
"((project_id = :source_project_id OR project_id = :target_project_id) AND noteable_type = 'Commit' AND commit_id IN (:commit_ids))",
|
|
mr_id: id,
|
|
commit_ids: commit_ids,
|
|
target_project_id: target_project_id,
|
|
source_project_id: source_project_id
|
|
)
|
|
end
|
|
|
|
# Returns the raw diff for this merge request
|
|
#
|
|
# see "git diff"
|
|
def to_diff
|
|
target_project.repository.diff_text(diff_base_commit.sha, source_sha)
|
|
end
|
|
|
|
# Returns the commit as a series of email patches.
|
|
#
|
|
# see "git format-patch"
|
|
def to_patch
|
|
target_project.repository.format_patch(diff_base_commit.sha, source_sha)
|
|
end
|
|
|
|
def hook_attrs
|
|
attrs = {
|
|
source: source_project.try(:hook_attrs),
|
|
target: target_project.hook_attrs,
|
|
last_commit: nil,
|
|
work_in_progress: work_in_progress?
|
|
}
|
|
|
|
if last_commit
|
|
attrs.merge!(last_commit: last_commit.hook_attrs)
|
|
end
|
|
|
|
attributes.merge!(attrs)
|
|
end
|
|
|
|
def for_fork?
|
|
target_project != source_project
|
|
end
|
|
|
|
def project
|
|
target_project
|
|
end
|
|
|
|
def closes_issue?(issue)
|
|
closes_issues.include?(issue)
|
|
end
|
|
|
|
# Return the set of issues that will be closed if this merge request is accepted.
|
|
def closes_issues(current_user = self.author)
|
|
if target_branch == project.default_branch
|
|
messages = commits.map(&:safe_message) << description
|
|
|
|
Gitlab::ClosingIssueExtractor.new(project, current_user).
|
|
closed_by_message(messages.join("\n"))
|
|
else
|
|
[]
|
|
end
|
|
end
|
|
|
|
def target_project_path
|
|
if target_project
|
|
target_project.path_with_namespace
|
|
else
|
|
"(removed)"
|
|
end
|
|
end
|
|
|
|
def source_project_path
|
|
if source_project
|
|
source_project.path_with_namespace
|
|
else
|
|
"(removed)"
|
|
end
|
|
end
|
|
|
|
def source_project_namespace
|
|
if source_project && source_project.namespace
|
|
source_project.namespace.path
|
|
else
|
|
"(removed)"
|
|
end
|
|
end
|
|
|
|
def target_project_namespace
|
|
if target_project && target_project.namespace
|
|
target_project.namespace.path
|
|
else
|
|
"(removed)"
|
|
end
|
|
end
|
|
|
|
def source_branch_exists?
|
|
return false unless self.source_project
|
|
|
|
self.source_project.repository.branch_names.include?(self.source_branch)
|
|
end
|
|
|
|
def target_branch_exists?
|
|
return false unless self.target_project
|
|
|
|
self.target_project.repository.branch_names.include?(self.target_branch)
|
|
end
|
|
|
|
# Reset merge request events cache
|
|
#
|
|
# Since we do cache @event we need to reset cache in special cases:
|
|
# * when a merge request is updated
|
|
# Events cache stored like events/23-20130109142513.
|
|
# The cache key includes updated_at timestamp.
|
|
# Thus it will automatically generate a new fragment
|
|
# when the event is updated because the key changes.
|
|
def reset_events_cache
|
|
Event.reset_event_cache_for(self)
|
|
end
|
|
|
|
def merge_commit_message
|
|
message = "Merge branch '#{source_branch}' into '#{target_branch}'"
|
|
message << "\n\n"
|
|
message << title.to_s
|
|
message << "\n\n"
|
|
message << description.to_s
|
|
message << "\n\n"
|
|
message << "See merge request !#{iid}"
|
|
message
|
|
end
|
|
|
|
def reset_merge_when_build_succeeds
|
|
return unless merge_when_build_succeeds?
|
|
|
|
self.merge_when_build_succeeds = false
|
|
self.merge_user = nil
|
|
self.merge_params = nil
|
|
|
|
self.save
|
|
end
|
|
|
|
# Return array of possible target branches
|
|
# depends on target project of MR
|
|
def target_branches
|
|
if target_project.nil?
|
|
[]
|
|
else
|
|
target_project.repository.branch_names
|
|
end
|
|
end
|
|
|
|
# Return array of possible source branches
|
|
# depends on source project of MR
|
|
def source_branches
|
|
if source_project.nil?
|
|
[]
|
|
else
|
|
source_project.repository.branch_names
|
|
end
|
|
end
|
|
|
|
def locked_long_ago?
|
|
return false unless locked?
|
|
|
|
locked_at.nil? || locked_at < (Time.now - 1.day)
|
|
end
|
|
|
|
def has_ci?
|
|
source_project.ci_service && commits.any?
|
|
end
|
|
|
|
def branch_missing?
|
|
!source_branch_exists? || !target_branch_exists?
|
|
end
|
|
|
|
def broken?
|
|
self.commits.blank? || branch_missing? || cannot_be_merged?
|
|
end
|
|
|
|
def can_be_merged_by?(user)
|
|
::Gitlab::GitAccess.new(user, project).can_push_to_branch?(target_branch)
|
|
end
|
|
|
|
def state_human_name
|
|
if merged?
|
|
"Merged"
|
|
elsif closed?
|
|
"Closed"
|
|
else
|
|
"Open"
|
|
end
|
|
end
|
|
|
|
def state_icon_name
|
|
if merged?
|
|
"check"
|
|
elsif closed?
|
|
"times"
|
|
else
|
|
"circle-o"
|
|
end
|
|
end
|
|
|
|
def target_sha
|
|
@target_sha ||= target_project.repository.commit(target_branch).try(:sha)
|
|
end
|
|
|
|
def source_sha
|
|
last_commit.try(:sha) || source_tip.try(:sha)
|
|
end
|
|
|
|
def source_tip
|
|
source_branch && source_project.repository.commit(source_branch)
|
|
end
|
|
|
|
def fetch_ref
|
|
target_project.repository.fetch_ref(
|
|
source_project.repository.path_to_repo,
|
|
"refs/heads/#{source_branch}",
|
|
ref_path
|
|
)
|
|
end
|
|
|
|
def ref_path
|
|
"refs/merge-requests/#{iid}/head"
|
|
end
|
|
|
|
def ref_is_fetched?
|
|
File.exists?(File.join(project.repository.path_to_repo, ref_path))
|
|
end
|
|
|
|
def ensure_ref_fetched
|
|
fetch_ref unless ref_is_fetched?
|
|
end
|
|
|
|
def in_locked_state
|
|
begin
|
|
lock_mr
|
|
yield
|
|
ensure
|
|
unlock_mr if locked?
|
|
end
|
|
end
|
|
|
|
def diverged_commits_count
|
|
cache = Rails.cache.read(:"merge_request_#{id}_diverged_commits")
|
|
|
|
if cache.blank? || cache[:source_sha] != source_sha || cache[:target_sha] != target_sha
|
|
cache = {
|
|
source_sha: source_sha,
|
|
target_sha: target_sha,
|
|
diverged_commits_count: compute_diverged_commits_count
|
|
}
|
|
Rails.cache.write(:"merge_request_#{id}_diverged_commits", cache)
|
|
end
|
|
|
|
cache[:diverged_commits_count]
|
|
end
|
|
|
|
def compute_diverged_commits_count
|
|
return 0 unless source_sha && target_sha
|
|
|
|
Gitlab::Git::Commit.between(target_project.repository.raw_repository, source_sha, target_sha).size
|
|
end
|
|
private :compute_diverged_commits_count
|
|
|
|
def diverged_from_target_branch?
|
|
diverged_commits_count > 0
|
|
end
|
|
|
|
def ci_commit
|
|
@ci_commit ||= source_project.ci_commit(last_commit.id) if last_commit && source_project
|
|
end
|
|
|
|
def diff_refs
|
|
return nil unless diff_base_commit
|
|
|
|
[diff_base_commit, last_commit]
|
|
end
|
|
|
|
def merge_commit
|
|
@merge_commit ||= project.commit(merge_commit_sha) if merge_commit_sha
|
|
end
|
|
|
|
def can_be_reverted?(current_user = nil)
|
|
merge_commit && !merge_commit.has_been_reverted?(current_user, self)
|
|
end
|
|
|
|
def can_be_cherry_picked?
|
|
merge_commit
|
|
end
|
|
end
|