fix(scripts): support pre-releases

.gitea/scripts/add-annotations.sh

@@ -8,8 +8,9 @@ if [ ! -f "${CHART_FILE}" ]; then
   exit 1
 fi
 
-DEFAULT_NEW_TAG="$(git tag --sort=-version:refname | head -n 1)"
-DEFAULT_OLD_TAG="$(git tag --sort=-version:refname | head -n 2 | tail -n 1)"
+# Exclude prerelease tags (matching -rc or -rc-<digits>) from default tag selection
+DEFAULT_NEW_TAG="$(git tag --sort=-version:refname | grep --invert-match --perl-regexp '\-rc(-[0-9]+)?$' | head --lines 1)"
+DEFAULT_OLD_TAG="$(git tag --sort=-version:refname | grep --invert-match --perl-regexp '\-rc(-[0-9]+)?$' | head --lines 2 | tail --lines 1)"
 
 if [ -z "${1}" ]; then
   read -p "Enter start tag [${DEFAULT_OLD_TAG}]: " OLD_TAG
@@ -54,6 +55,13 @@ else
   fi
 fi
 
+# Check if NEW_TAG is a prerelease (matches -rc or -rc-<digits> suffix)
+if [[ "${NEW_TAG}" =~ -rc(-[0-9]+)?$ ]]; then
+  echo "INFO: Tag '${NEW_TAG}' is a prerelease, setting prerelease annotation and skipping changelog."
+  yq --no-colors --inplace ".annotations.\"artifacthub.io/prerelease\" = \"true\" | sort_keys(.)" "${CHART_FILE}"
+  exit 0
+fi
+
 CHANGE_LOG_YAML=$(mktemp)
 echo "[]" > "${CHANGE_LOG_YAML}"