Add per-report distributor path overrides

internal/config/config.go

@@ -113,10 +113,16 @@ type RecentChangeConfig struct {
 }
 
 type ReportConfig struct {
-	DeterministicModules    []ModuleConfigItem `yaml:"deterministic_modules"`
+	DeterministicModules    []ModuleConfigItem      `yaml:"deterministic_modules"`
+	Distributor             ReportDistributorConfig `yaml:"distributor"`
 	deterministicModulesSet bool
 }
 
+type ReportDistributorConfig struct {
+	PathTemplates    []string `yaml:"path_templates"`
+	pathTemplatesSet bool
+}
+
 type ModuleConfigItem struct {
 	ID      module.ID `yaml:"id"`
 	Options any       `yaml:"options,omitempty"`
@@ -135,6 +141,10 @@ func (c *ReportConfig) UnmarshalYAML(value *yaml.Node) error {
 				return err
 			}
 			c.deterministicModulesSet = true
+		case "distributor":
+			if err := node.Decode(&c.Distributor); err != nil {
+				return err
+			}
 		default:
 			return fmt.Errorf("unknown report entry field %q", key)
 		}
@@ -142,6 +152,30 @@ func (c *ReportConfig) UnmarshalYAML(value *yaml.Node) error {
 	return nil
 }
 
+func (c *ReportDistributorConfig) UnmarshalYAML(value *yaml.Node) error {
+	if value.Kind != yaml.MappingNode {
+		return fmt.Errorf("report distributor entry must be a mapping")
+	}
+	for i := 0; i < len(value.Content); i += 2 {
+		key := value.Content[i].Value
+		node := value.Content[i+1]
+		switch key {
+		case "path_templates":
+			if err := node.Decode(&c.PathTemplates); err != nil {
+				return err
+			}
+			c.pathTemplatesSet = true
+		default:
+			return fmt.Errorf("unknown report distributor field %q", key)
+		}
+	}
+	return nil
+}
+
+func (c ReportDistributorConfig) PathTemplatesSet() bool {
+	return c.pathTemplatesSet
+}
+
 func (m *ModuleConfigItem) UnmarshalYAML(value *yaml.Node) error {
 	switch value.Kind {
 	case yaml.ScalarNode: