.

test.sh

@@ -6,7 +6,7 @@ X=$(cd `dirname $0` && pwd)
 
 # rebuild everything
 if test -z "$qrun_loglevel"; then
-	make -C $X --no-print-directory
+	(cd $X && make)
 fi
 
 # respawn ourself under qemu-runlinux, if asked.

wcfs/internal/xbtree/treediff.go

@@ -933,10 +933,3 @@ func vnode(node Node) string {
 	}
 	return kind + node.POid().String()
 }
-
-const debug = false
-func tracef(format string, argv ...interface{}) {
-	if debug {
-		fmt.Printf(format, argv...)
-	}
-}

wcfs/internal/xbtree/xbtree.go

@@ -4,6 +4,7 @@ package xbtree
 
 
 import (
+	"fmt"
 	"math"
 
 	"lab.nexedi.com/kirr/neo/go/zodb"
@@ -31,3 +32,13 @@ const VDEL  = zodb.InvalidOid
 
 type SetKey = set.SetI64
 type SetOid = set.SetOid
+
+
+
+
+const debug = true
+func tracef(format string, argv ...interface{}) {
+	if debug {
+		fmt.Printf(format, argv...)
+	}
+}

wcfs/internal/xbtree/δbtail.go

@@ -397,7 +397,10 @@ func (δBtail *ΔBtail) Update(δZ *zodb.EventCommit) (_ ΔB, err error) {
 	defer xerr.Contextf(&err, "ΔBtail update %s -> %s", headOld, δZ.Tid)
 
 	// update .trackSet and vδB from .trackNew
-	δBtail.rebuild()
+	err = δBtail.rebuild()
+	if err != nil {
+		return ΔB{}, err
+	}
 
 	tracef("Update  @%s -> @%s\n", δBtail.Head(), δZ.Tid)
 	tracef("δZ:\t%v\n", δZ.Changev)

wcfs/wcfs.go

@@ -880,7 +880,7 @@ retry:
 		return err
 	}
 
-	if !log.V(2) {
+	if log.V(2) {
 		// debug dump δF
 		log.Infof("\n\nS: handleδZ: δF (#%d):\n", len(δF.ByFile))
 		for zfile, δfile := range δF.ByFile {