Handle nginx conf file checksums (additional helper)

scripts/_common.sh

@@ -110,3 +110,15 @@ ynh_remove_systemd_config () {
 		ynh_secure_remove "$finalsystemdconf"
 	fi
 }
+
+# ============= FUTURE YUNOHOST HELPER =============
+# Delete a file checksum from the app settings
+#
+# $app should be defined when calling this helper
+#
+# usage: ynh_remove_file_checksum file
+# | arg: file - The file for which the checksum will be deleted
+ynh_delete_file_checksum () {
+	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
+	ynh_app_setting_delete $app $checksum_setting_name
+}