From 473d88b3c9fb30a140b9d41f85d37877e93e9812 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Kucharczyk?= <lukas@kucharczyk.xyz>
Date: Wed, 16 Nov 2022 09:02:52 +0100
Subject: [PATCH] Display usage when no arguments supplied

---
 tag.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tag.sh b/tag.sh
index e6bde3c..05e4979 100755
--- a/tag.sh
+++ b/tag.sh
@@ -22,7 +22,7 @@ SCRIPT_NAME=$(basename "$0")
 
 
 DB_FILE="${PWD}/tags.db"
-[ "$1" = "--db" ] && DB_FILE="$2" && shift 2
+[ "${1:-}" = "--db" ] && DB_FILE="$2" && shift 2
 
 
 DB_SCHEMA="${SCRIPT_DIR}/database.sql"
@@ -166,6 +166,9 @@ add_path_auto() {
 }
 
 main() {
+
+    [ -z "${1:-}" ] && fail "Usage: tag init/add/import/autoimport/list/listtags"
+
     if [[ "$1" = "init" ]]; then
         init "${2:-$DB_FILE}"
         exit 0