Catalog: Show install error with incompatible version (#65059)

pkg/plugins/repo/models.go

@@ -53,6 +53,15 @@ func (e Response4xxError) Error() string {
 	return fmt.Sprintf("%d", e.StatusCode)
 }
 
+type ErrArcNotFound struct {
+	PluginID   string
+	SystemInfo string
+}
+
+func (e ErrArcNotFound) Error() string {
+	return fmt.Sprintf("%s is not compatible with your system architecture: %s", e.PluginID, e.SystemInfo)
+}
+
 type ErrVersionUnsupported struct {
 	PluginID         string
 	RequestedVersion string

pkg/plugins/repo/service.go

@@ -115,10 +115,9 @@ func (m *Manager) selectVersion(plugin *Plugin, version string, compatOpts Compa
 	var ver Version
 	latestForArch := latestSupportedVersion(plugin, compatOpts)
 	if latestForArch == nil {
-		return nil, ErrVersionUnsupported{
-			PluginID:         plugin.ID,
-			RequestedVersion: version,
-			SystemInfo:       compatOpts.String(),
+		return nil, ErrArcNotFound{
+			PluginID:   plugin.ID,
+			SystemInfo: compatOpts.OSAndArch(),
 		}
 	}