add example code. add sync.onlyOnce

1 files changed, 6 insertions, 0 deletions

diff --git a/structs.go b/structs.go
index 05ed89e..34550b5 100644
--- a/structs.go
+++ b/structs.go
@@ -1,12 +1,18 @@
 package forgepb
 
 import (
+	sync "sync"
+
 	"go.wit.com/lib/protobuf/gitpb"
 	"go.wit.com/lib/protobuf/zoopb"
 )
 
 // maybe an interface someday?
 type Forge struct {
+	// one-time initialized data
+	initOnce sync.Once
+	initErr  error // init error, if any
+
 	goSrc   string        // the path to go/src
 	Config  *ForgeConfigs // config repos for readonly, private, etc
 	Repos   *gitpb.Repos