cd: fix completion scripts corruption #3072

Job	Run time
tests-ee (other, 2.8.2-0-gfc96d10f5-r421)	12m 46s
tests-ce (1.10, other)	17m 35s
tests-ee (integration, 2.8.2-0-gfc96d10f5-r421)	1h 4m 48s
tests-ce (1.10, integration)	50m 57s
tests-ce (2.8, other)	17m 57s
tests-ce (2.8, integration)	1h 0m 0s
tests-ce (2.x-latest, other)	17m 35s
tests-ce (2.x-latest, integration)	1h 15m 37s
	5h 17m 15s

Provide feedback