save mtime's on Init()

init.go

@@ -3,7 +3,9 @@ package forgepb
 import (
 	"os"
 	"path/filepath"
+	"time"
 
+	"go.wit.com/lib/gui/shell"
 	"go.wit.com/lib/protobuf/gitpb"
 	"go.wit.com/lib/protobuf/zoopb"
 	"go.wit.com/log"
@@ -15,6 +17,14 @@ import (
 func Init() *Forge {
 	f := InitPB()
 
+	f.Machine = new(zoopb.Machine)
+
+	if err := f.Machine.ConfigLoad(); err != nil {
+		log.Warn("zoopb.ConfigLoad() failed", err)
+	}
+	f.Machine.InitWit()
+
+	now := time.Now()
 	start := f.Repos.Len()
 	f.ScanGoSrc()
 	end := f.Repos.Len()
@@ -24,15 +34,27 @@ func Init() *Forge {
 		log.Info("forgepb.Scan()     Scan found", end-start, "new git repositories.")
 	}
 
-	f.Machine = new(zoopb.Machine)
-
-	if err := f.Machine.ConfigLoad(); err != nil {
-		log.Warn("zoopb.ConfigLoad() failed", err)
+	if f.updateAll() {
+		f.ConfigSave()
 	}
-	f.Machine.InitWit()
+	log.Info("update()           check took", shell.FormatDuration(time.Since(now)))
 	return f
 }
 
+func (f *Forge) updateAll() bool {
+	var configSave bool
+	all := f.Repos.SortByFullPath()
+	for all.Scan() {
+		repo := all.Next()
+
+		if repo.RepoChanged() {
+			configSave = true
+			log.Info("repo changed", repo.StateChange, repo.FullPath)
+		}
+	}
+	return configSave
+}
+
 // only init's the protobuf. intended to not scan or change anything
 func InitPB() *Forge {
 	f := new(Forge)