gitlab-org--gitlab-foss/app/services/commits/change_service.rb

81 lines
2.5 KiB
Ruby

module Commits
class ChangeService < ::BaseService
class ValidationError < StandardError; end
class ChangeError < StandardError; end
def execute
@start_project = params[:start_project] || @project
@start_branch = params[:start_branch]
@target_branch = params[:target_branch]
@commit = params[:commit]
@create_merge_request = params[:create_merge_request].present?
check_push_permissions unless @create_merge_request
commit
rescue Repository::CommitError, Gitlab::Git::Repository::InvalidBlobName, GitHooksService::PreReceiveError,
ValidationError, ChangeError => ex
error(ex.message)
end
private
def commit
raise NotImplementedError
end
def commit_change(action)
raise NotImplementedError unless repository.respond_to?(action)
if @create_merge_request
into = @commit.public_send("#{action}_branch_name")
tree_branch = @start_branch
else
into = tree_branch = @target_branch
end
tree_id = repository.public_send(
"check_#{action}_content", @commit, tree_branch)
if tree_id
validate_target_branch(into) if @create_merge_request
repository.public_send(
action,
current_user,
@commit,
into,
tree_id,
start_project: @start_project,
start_branch_name: @start_branch)
success
else
error_msg = "Sorry, we cannot #{action.to_s.dasherize} this #{@commit.change_type_title(current_user)} automatically.
A #{action.to_s.dasherize} may have already been performed with this #{@commit.change_type_title(current_user)}, or a more recent commit may have updated some of its content."
raise ChangeError, error_msg
end
end
def check_push_permissions
allowed = ::Gitlab::UserAccess.new(current_user, project: project).can_push_to_branch?(@target_branch)
unless allowed
raise ValidationError.new('You are not allowed to push into this branch')
end
true
end
def validate_target_branch(new_branch)
# Temporary branch exists and contains the change commit
return if repository.find_branch(new_branch)
result = ValidateNewBranchService.new(@project, current_user)
.execute(new_branch)
if result[:status] == :error
raise ChangeError, "There was an error creating the source branch: #{result[:message]}"
end
end
end
end