trailer: handle NULL value when parsing trailer-specific config

[thirdparty/git.git] / trailer.c

diff --git a/trailer.c b/trailer.c
index b0e2ec224a2fa16ab0f87012a5b0a4bf90996760..e4b08ed267fa9aa0c3c1535b636b70edc21c70cb 100644 (file)
--- a/trailer.c
+++ b/trailer.c
@@ -553,16 +553,22 @@ static int git_trailer_config(const char *conf_key, const char *value,
        case TRAILER_KEY:
                if (conf->key)
                        warning(_("more than one %s"), conf_key);
+               if (!value)
+                       return config_error_nonbool(conf_key);
                conf->key = xstrdup(value);
                break;
        case TRAILER_COMMAND:
                if (conf->command)
                        warning(_("more than one %s"), conf_key);
+               if (!value)
+                       return config_error_nonbool(conf_key);
                conf->command = xstrdup(value);
                break;
        case TRAILER_CMD:
                if (conf->cmd)
                        warning(_("more than one %s"), conf_key);
+               if (!value)
+                       return config_error_nonbool(conf_key);
                conf->cmd = xstrdup(value);
                break;
        case TRAILER_WHERE: