test suite: enumerate-tests: Drop duplicate dependencies

No change to the output, other than to drop a second mention of
`devscripts' from one stanza in debian/tests/control.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/enumerate-tests b/tests/enumerate-tests
index 3e0abd5..3406e1c 100755
--- a/tests/enumerate-tests
+++ b/tests/enumerate-tests
@@ -52,6 +52,9 @@ restriction-gencontrol () {
 
 gencontrol-add-deps () {
 	for dep in "$@"; do
+		case " $dependencies," in
+		*" "$dep","*)	continue ;;
+		esac
 		dependencies+="${dependencies:+, }$dep"
 	done
 }