executors/executor_init.go (4 lines of code) (raw):
package executors
import (
// make sure that shells get loaded before executors
// this happens, because of difference in ordering init()
// from external packages between 1.4.x and 1.5.x
// this import forces to load shells before
// and fixes: panic: no shells defined
_ "gitlab.com/gitlab-org/gitlab-ci-multi-runner/shells"
)