4 files changed, 66 insertions, 15 deletions

diff --git a/bridge/core/auth/options.go b/bridge/core/auth/options.go
index 74189874..1d8c44d1 100644
--- a/bridge/core/auth/options.go
+++ b/bridge/core/auth/options.go
@@ -2,7 +2,7 @@ package auth
 
 type options struct {
 	target string
-	kind   CredentialKind
+	kind   map[CredentialKind]interface{}
 	meta   map[string]string
 }
 
@@ -21,7 +21,8 @@ func (opts *options) Match(cred Credential) bool {
 		return false
 	}
 
-	if opts.kind != "" && cred.Kind() != opts.kind {
+	_, has := opts.kind[cred.Kind()]
+	if len(opts.kind) > 0 && !has {
 		return false
 	}
 
@@ -40,9 +41,13 @@ func WithTarget(target string) Option {
 	}
 }
 
+// WithKind match credentials with the given kind. Can be specified multiple times.
 func WithKind(kind CredentialKind) Option {
 	return func(opts *options) {
-		opts.kind = kind
+		if opts.kind == nil {
+			opts.kind = make(map[CredentialKind]interface{})
+		}
+		opts.kind[kind] = nil
 	}
 }
 
diff --git a/bridge/core/bridge.go b/bridge/core/bridge.go
index ac0d47d7..62fd70f6 100644
--- a/bridge/core/bridge.go
+++ b/bridge/core/bridge.go
@@ -4,6 +4,7 @@ package core
 import (
 	"context"
 	"fmt"
+	"os"
 	"reflect"
 	"regexp"
 	"sort"
@@ -30,18 +31,6 @@ const (
 var bridgeImpl map[string]reflect.Type
 var bridgeLoginMetaKey map[string]string
 
-// BridgeParams holds parameters to simplify the bridge configuration without
-// having to make terminal prompts.
-type BridgeParams struct {
-	Owner      string // owner of the repo                    (Github)
-	Project    string // name of the repo                     (Github,         Launchpad)
-	URL        string // complete URL of a repo               (Github, Gitlab, Launchpad)
-	BaseURL    string // base URL for self-hosted instance    (        Gitlab)
-	CredPrefix string // ID prefix of the credential to use   (Github, Gitlab)
-	TokenRaw   string // pre-existing token to use            (Github, Gitlab)
-	Login      string // username for the passed credential   (Github, Gitlab)
-}
-
 // Bridge is a wrapper around a BridgeImpl that will bind low-level
 // implementation with utility code to provide high-level functions.
 type Bridge struct {
@@ -220,6 +209,8 @@ func RemoveBridge(repo repository.RepoConfig, name string) error {
 
 // Configure run the target specific configuration process
 func (b *Bridge) Configure(params BridgeParams) error {
+	validateParams(params, b.impl)
+
 	conf, err := b.impl.Configure(b.repo, params)
 	if err != nil {
 		return err
@@ -234,6 +225,22 @@ func (b *Bridge) Configure(params BridgeParams) error {
 	return b.storeConfig(conf)
 }
 
+func validateParams(params BridgeParams, impl BridgeImpl) {
+	validParams := impl.ValidParams()
+
+	paramsValue := reflect.ValueOf(params)
+	paramsType := paramsValue.Type()
+
+	for i := 0; i < paramsValue.NumField(); i++ {
+		name := paramsType.Field(i).Name
+		val := paramsValue.Field(i).Interface().(string)
+		_, valid := validParams[name]
+		if val != "" && !valid {
+			_, _ = fmt.Fprintln(os.Stderr, params.fieldWarning(name, impl.Target()))
+		}
+	}
+}
+
 func (b *Bridge) storeConfig(conf Configuration) error {
 	for key, val := range conf {
 		storeKey := fmt.Sprintf("git-bug.bridge.%s.%s", b.Name, key)
diff --git a/bridge/core/interfaces.go b/bridge/core/interfaces.go
index ab2f3977..63340a95 100644
--- a/bridge/core/interfaces.go
+++ b/bridge/core/interfaces.go
@@ -18,6 +18,9 @@ type BridgeImpl interface {
 	// credentials.
 	LoginMetaKey() string
 
+	// The set of the BridgeParams fields supported
+	ValidParams() map[string]interface{}
+
 	// Configure handle the user interaction and return a key/value configuration
 	// for future use
 	Configure(repo *cache.RepoCache, params BridgeParams) (Configuration, error)
diff --git a/bridge/core/params.go b/bridge/core/params.go
new file mode 100644
index 00000000..e398b81a
--- /dev/null
+++ b/bridge/core/params.go
@@ -0,0 +1,36 @@
+package core
+
+import "fmt"
+
+// BridgeParams holds parameters to simplify the bridge configuration without
+// having to make terminal prompts.
+type BridgeParams struct {
+	URL        string // complete URL of a repo               (Github, Gitlab,     , Launchpad)
+	BaseURL    string // base URL for self-hosted instance    (        Gitlab, Jira,          )
+	Login      string // username for the passed credential   (Github, Gitlab, Jira,          )
+	CredPrefix string // ID prefix of the credential to use   (Github, Gitlab, Jira,          )
+	TokenRaw   string // pre-existing token to use            (Github, Gitlab,     ,          )
+	Owner      string // owner of the repo                    (Github,       ,     ,          )
+	Project    string // name of the repo or project key      (Github,       , Jira, Launchpad)
+}
+
+func (BridgeParams) fieldWarning(field string, target string) string {
+	switch field {
+	case "URL":
+		return fmt.Sprintf("warning: --url is ineffective for a %s bridge", target)
+	case "BaseURL":
+		return fmt.Sprintf("warning: --base-url is ineffective for a %s bridge", target)
+	case "Login":
+		return fmt.Sprintf("warning: --login is ineffective for a %s bridge", target)
+	case "CredPrefix":
+		return fmt.Sprintf("warning: --credential is ineffective for a %s bridge", target)
+	case "TokenRaw":
+		return fmt.Sprintf("warning: tokens are ineffective for a %s bridge", target)
+	case "Owner":
+		return fmt.Sprintf("warning: --owner is ineffective for a %s bridge", target)
+	case "Project":
+		return fmt.Sprintf("warning: --project is ineffective for a %s bridge", target)
+	default:
+		panic("unknown field")
+	}
+}