From af4bdea9f1c91ea6063a9beb6e4af526c7329c27 Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Wed, 22 Mar 2023 23:47:55 +0900
Subject: [PATCH] Reject invalid allow_missing_changelog option

---
 main.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/main.sh b/main.sh
index 7217b69..6e708ad 100755
--- a/main.sh
+++ b/main.sh
@@ -27,8 +27,10 @@ if [[ $# -gt 0 ]]; then
     bail "invalid argument '$1'"
 fi
 
+# Input options
 title="${INPUT_TITLE:?}"
 changelog="${INPUT_CHANGELOG:-}"
+allow_missing_changelog="${INPUT_ALLOW_MISSING_CHANGELOG:-}"
 draft="${INPUT_DRAFT:-}"
 branch="${INPUT_BRANCH:-}"
 prefix="${INPUT_PREFIX:-}"
@@ -83,6 +85,10 @@ case "${draft}" in
     false) ;;
     *) bail "'draft' input option must be 'true' or 'false': '${draft}'" ;;
 esac
+case "${allow_missing_changelog}" in
+    true | false) ;;
+    *) bail "'allow_missing_changelog' input option must be 'true' or 'false': '${allow_missing_changelog}'" ;;
+esac
 
 if [[ -n "${branch}" ]]; then
     git fetch &>/dev/null
@@ -112,7 +118,7 @@ if [[ -n "${changelog}" ]]; then
     parse_changelog_options+=("${changelog}" "${version}")
 
     # If allow_missing_changelog is true then default to empty value if version not found
-    if [[ "${INPUT_ALLOW_MISSING_CHANGELOG}" == "true" ]]; then
+    if [[ "${allow_missing_changelog}" == "true" ]]; then
         notes=$(./parse-changelog "${parse_changelog_options[@]}" || echo "")
     else
         notes=$(./parse-changelog "${parse_changelog_options[@]}")