try a way to track the times so they can be throttled

config.go

@@ -8,8 +8,10 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"time"
 
 	"go.wit.com/log"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 )
 
 func (f *Forge) ConfigSave() error {
@@ -28,6 +30,11 @@ func (f *Forge) ConfigSave() error {
 		}
 	}
 	if f.Repos != nil {
+		if f.HasFullScan() {
+			f.Repos.HasFullScan = true
+			t := time.Now()
+			f.Repos.FullScan = timestamppb.New(t)
+		}
 		if e := f.Repos.ConfigSave(); e != nil {
 			log.Info("forge.Repos.ConfigSave() error", e)
 			err = e

init.go

@@ -40,18 +40,29 @@ func Init() *Forge {
 
 	f.Machine.InitWit()
 
+	if f.hasFullScan {
+		// duplicate time checking below. which one to keep?
+		if f.FullScanAge() > time.Minute {
+			log.Log(INFO, "forgepb.Scan()     skipping scan. been run a minute ago", f.FullScanAge())
+			return f
+		}
+	}
+
 	now := time.Now()
 	start := f.Repos.Len()
 	f.ScanGoSrc()
+	f.FullScanRan()
 	end := f.Repos.Len()
 	if (end - start) == 0 {
 		log.Log(INFO, "forgepb.Scan()     Scan did not find new git repositories. Total =", end)
+		if f.FullScanAge() > time.Minute {
+			f.rillUpdate(20, 10)
+		}
 	} else {
 		log.Log(INFO, "forgepb.Scan()     Scan found", end-start, "new git repositories. Total =", end)
+		f.rillUpdate(20, 10)
 	}
 
-	f.rillUpdate(20, 10)
-
 	if f.configSave {
 		// taking this out to debug Marshal() panic
 		// os.Exit(-1)
@@ -108,6 +119,9 @@ func (f *Forge) InitPB() {
 	}
 	f.Repos = gitpb.NewRepos()
 	f.Repos.ConfigLoad()
+	if f.Repos.HasFullScan {
+		f.hasFullScan = true
+	}
 }
 
 // only init's the protobuf. intended to not scan or change anything

structs.go

@@ -2,6 +2,7 @@ package forgepb
 
 import (
 	sync "sync"
+	"time"
 
 	"go.wit.com/lib/protobuf/gitpb"
 	"go.wit.com/lib/protobuf/zoopb"
@@ -10,15 +11,16 @@ import (
 // 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
-	goWork     bool          // means the user is currently using a go.work file
-	Config     *ForgeConfigs // config repos for readonly, private, etc
-	Repos      *gitpb.Repos
-	Machine    *zoopb.Machine
-	configSave bool
+	initOnce    sync.Once
+	initErr     error          // init error, if any
+	goSrc       string         // the path to go/src
+	goWork      bool           // means the user is currently using a go.work file
+	Config      *ForgeConfigs  // config repos for readonly, private, etc
+	Repos       *gitpb.Repos   // the repo protobufs
+	Machine     *zoopb.Machine // things for virtigo to track vm's
+	configSave  bool           // if you need to save the config because things changed
+	hasFullScan bool           // track last scan so it can be throttled
+	fullscan    time.Time      // time of the last scan so it can be throttled
 }
 
 func (f *Forge) GetGoSrc() string {
@@ -28,3 +30,16 @@ func (f *Forge) GetGoSrc() string {
 func (f *Forge) IsGoWork() bool {
 	return f.goWork
 }
+
+func (f *Forge) HasFullScan() bool {
+	return f.Repos.HasFullScan
+}
+
+func (f *Forge) FullScanRan() {
+	f.fullscan = time.Now()
+}
+
+func (f *Forge) FullScanAge() time.Duration {
+	fs := f.Repos.FullScan.AsTime()
+	return time.Since(fs)
+}