gitlab-org--gitlab-foss/app/services/merge_requests/build_service.rb
2016-04-14 14:49:45 +02:00

75 lines
2.6 KiB
Ruby

module MergeRequests
class BuildService < MergeRequests::BaseService
def execute
merge_request = MergeRequest.new(params)
# Set MR attributes
merge_request.can_be_created = false
merge_request.compare_commits = []
merge_request.source_project = project unless merge_request.source_project
merge_request.target_project ||= (project.forked_from_project || project)
merge_request.target_branch ||= merge_request.target_project.default_branch
if merge_request.target_branch.blank? || merge_request.source_branch.blank?
message =
if params[:source_branch] || params[:target_branch]
"You must select source and target branch"
end
return build_failed(merge_request, message)
end
compare = CompareService.new.execute(
merge_request.source_project,
merge_request.source_branch,
merge_request.target_project,
merge_request.target_branch,
)
commits = compare.commits
# At this point we decide if merge request can be created
# If we have at least one commit to merge -> creation allowed
if commits.present?
merge_request.compare_commits = Commit.decorate(commits, merge_request.source_project)
merge_request.can_be_created = true
merge_request.compare = compare
else
merge_request.can_be_created = false
end
commits = merge_request.compare_commits
if commits && commits.count == 1
commit = commits.first
merge_request.title = commit.title
merge_request.description ||= commit.description.try(:strip)
else
merge_request.title = merge_request.source_branch.titleize.humanize
end
# When your branch name starts with an iid followed by a dash this pattern will
# be interpreted as the use wants to close that issue on this project
# Pattern example: 112-fix-mep-mep
# Will lead to appending `Closes #112` to the description
if match = merge_request.source_branch.match(/\A(\d+)-/)
iid = match[1]
closes_issue = "Closes ##{iid}"
if merge_request.description.present?
merge_request.description << closes_issue.prepend("\n")
else
merge_request.description = closes_issue
end
end
merge_request
end
def build_failed(merge_request, message)
merge_request.errors.add(:base, message) unless message.nil?
merge_request.compare_commits = []
merge_request.can_be_created = false
merge_request
end
end
end