Tighten numeric regex

tj · Jun 20, 2020 · 27f42be · 27f42be
1 parent 6ccd2fa
commit 27f42be
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/bin/git-undo b/bin/git-undo
@@ -64,7 +64,7 @@ EOL
     ;;
 esac
 
-if [[ ! $parm2 =~ [1-9]*([0-9]) ]]; then
+if [[ ! $parm2 =~ ^[1-9][0-9]*$ ]]; then
     echo "Invalid undo count: $parm2"
     exit 1
 fi