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bug#61366: [PATCH] ; Add usage, will not continue if no parameters are p

From: Xi Lu
Subject: bug#61366: [PATCH] ; Add usage, will not continue if no parameters are provided.
Date: Wed, 8 Feb 2023 18:00:49 +0800 
---
 admin/notes/tree-sitter/build-module/build.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/admin/notes/tree-sitter/build-module/build.sh 
b/admin/notes/tree-sitter/build-module/build.sh
index 9dc674237ca..08a71c1dde1 100755
--- a/admin/notes/tree-sitter/build-module/build.sh
+++ b/admin/notes/tree-sitter/build-module/build.sh
@@ -3,6 +3,12 @@
 lang=$1
 topdir="$PWD"
 
+if [ $# -lt 1 ]
+then
+    echo "Usage: $0 <language>"
+    exit
+fi
+
 case $(uname) in
     "Darwin")
         soext="dylib"
-- 
2.39.1
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