fix: abort startup on explicitly empty db_url instead of deriving

The derived file:...state.sqlite3 URL is a default and defaults apply
only to omitted keys: db_url set to an empty string now aborts naming
the key, matching the existing behavior of state_dir: "".
This commit is contained in:
2026-08-07 17:03:12 +00:00
parent 813ff63153
commit 5297e6033a

View File

@@ -113,9 +113,19 @@ func newFromSmartConfig(sc *smartconfig.Config) (*Config, error) {
"upstream_connections_per_host", DefaultUpstreamConnectionsPerHost), "upstream_connections_per_host", DefaultUpstreamConnectionsPerHost),
} }
// Build DBURL from StateDir if not explicitly set // Build DBURL from StateDir if not explicitly set. The derived URL
// is a default: it applies only when db_url is omitted, never to an
// explicitly empty value.
c.DBURL = loader.stringVal("db_url", "") c.DBURL = loader.stringVal("db_url", "")
if c.DBURL == "" { if c.DBURL == "" && loader.err == nil {
if sc != nil {
if _, present := sc.Get("db_url"); present {
return nil, fmt.Errorf(
"config key %q: value must not be empty; omit the key to derive it from state_dir",
"db_url")
}
}
c.DBURL = fmt.Sprintf("file:%s/state.sqlite3?_journal_mode=WAL", c.StateDir) c.DBURL = fmt.Sprintf("file:%s/state.sqlite3?_journal_mode=WAL", c.StateDir)
} }