X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=tests%2Frun-all;h=736e0fe0a9189a42ef7295648a3630305085b10b;hp=b18822304ae04d6712dfcc57b11d7d4f7ceabfb7;hb=9285f7e6a12f31f6e54755b76259245f556d7cab;hpb=a366d4b8c07318c0b87f8a4c901789c38cd8fb35

diff --git a/tests/run-all b/tests/run-all
index b1882230..736e0fe0 100755
--- a/tests/run-all
+++ b/tests/run-all
@@ -2,6 +2,9 @@
 set -e
 # convenience script for running the tests outside adt-run
 # usage: tests/using-intree tests/run-all [-p|--progressive] [tests/tests/*]
+#
+# passing `:' as if it were tests/tests/something is
+#  a no-op and therefore just means to (delete and) set up the tmpdir
 
 set -o pipefail
 
@@ -37,6 +40,13 @@ esac
 
 mkdir -p -- "$tmpdir"
 
+case "$1" in
+:)
+	shift
+	if [ $# = 0 ]; then exit 0; fi
+	;;
+esac
+
 if [ $# != 0 ]; then
 	set TESTSCRIPTS="$*"
 fi