Add check_notes, prevent invalid signature

git-snapsign

@@ -90,6 +90,15 @@ check_format() {
     fi
 }
 
+check_notes() {
+    if ! git show-ref --quiet --verify -- "refs/notes" >/dev/null 2>&1; then
+        git config --add remote.origin.fetch "+refs/notes/*:refs/notes/*" >/dev/null 2>&1
+        git fetch >/dev/null 2>&1
+    else
+        git fetch >/dev/null 2>&1
+    fi
+}
+
 #---------
 #  core
 #---------
@@ -135,6 +144,7 @@ while getopts ":dfPhvF:s:p:t:" opt; do
             keyid="$OPTARG"
             ;;
         t)
+            check_notes "$@"
             if ! git rev-parse --verify "${OPTARG}" >/dev/null 2>&1; then
                 echo -e "fatal: failed to verify tag: ${OPTARG}"
                 exit 1