Fix build small errors

1 files changed, 13 insertions, 7 deletions

diff --git a/build b/build
index d382f9c..d7d893c 100755
--- a/build
+++ b/build
@@ -258,8 +258,10 @@ dotest() {
 }
 
 build_test() {
-        pattern="$1"
-        shift
+        if [ -n "$1" ]; then
+                pattern="$1"
+                shift
+        fi
         debug="yes"
         build_nissy
         for t in test/*; do
@@ -273,12 +275,12 @@ tool_usage() {
 }
 
 build_tool() {
-        pattern="$1"
-        shift
-        if [ -z "$pattern" ]; then
+        if [ -z "$1" ]; then
                 tool_usage
                 exit 1
         fi
+        pattern="$1"
+        shift
 
         build_nissy
 
@@ -324,8 +326,12 @@ if [ "$1" = "-d" ]; then
         shift
 fi
 
-target=${1:-"nissy"}
-shift
+target="$1"
+if [ -z "$target" ]; then
+        target="nissy"
+else
+        shift
+fi
 
 case "$target" in
 help|config|clean|\