Properly default to the highest version of gradle

buildserver/cookbooks/gradle/recipes/gradle

@@ -9,7 +9,6 @@ pushd "${verdir}" &>/dev/null
 v_all=(*/)
 v_all=(${v_all[@]%/})
 
-v_def=${v_all[-1]}
 echo "Available gradle versions: ${v_all[@]}"
 
 popd &>/dev/null
@@ -19,11 +18,23 @@ run_gradle() {
 	exit $?
 }
 
+contains() {
+	local e
+	for e in $2; do
+		[[ $e == $1 ]] && return 0;
+	done
+	return 1
+}
+
 # key-value pairs of what gradle version each gradle plugin version
 # should accept
 d_plugin_k=( 0.9  0.8 0.7 0.6 0.5 0.4 0.3 0.2)
 d_plugin_v=(1.11 1.10 1.9 1.8 1.6 1.6 1.4 1.4)
 
+for v in ${d_plugin_v}; do
+	contains $v "${v_all[*]}" && v_def=$v && break
+done
+
 # Latest takes priority
 for f in ../build.gradle build.gradle; do
 	[[ -f $f ]] || continue