diff --git a/pkg/api/types.go b/pkg/api/types.go
index b5dc1ab62..2c400d7a4 100644
--- a/pkg/api/types.go
+++ b/pkg/api/types.go
@@ -238,6 +238,10 @@ type Config struct {
 	// must have non-zero length. The labels defined here override generated labels in case
 	// they have the same name.
 	Labels map[string]string
+
+	// SourceInfo provides the info about the source to be built rather than relying
+	// on the Downloader to retrieve it.
+	SourceInfo *SourceInfo
 }
 
 // EnvironmentSpec specifies a single environment variable.
diff --git a/pkg/build/strategies/sti/sti.go b/pkg/build/strategies/sti/sti.go
index e8f94a6bd..dcc233bda 100644
--- a/pkg/build/strategies/sti/sti.go
+++ b/pkg/build/strategies/sti/sti.go
@@ -348,6 +348,9 @@ func (builder *STI) Prepare(config *api.Config) error {
 			)
 			return err
 		}
+		if config.SourceInfo != nil {
+			builder.sourceInfo = config.SourceInfo
+		}
 	}
 
 	// get the scripts