Update dependencies / vendor (#1146)

vendor/github.com/keybase/go-keybase-chat-bot/kbchat/util.go

@@ -0,0 +1,38 @@
+package kbchat
+
+import (
+	"fmt"
+	"log"
+	"time"
+)
+
+func ErrToOK(err *error) string {
+	if err == nil || *err == nil {
+		return "ok"
+	}
+	return fmt.Sprintf("ERROR: %v", *err)
+}
+
+type DebugOutput struct {
+	name string
+}
+
+func NewDebugOutput(name string) *DebugOutput {
+	return &DebugOutput{
+		name: name,
+	}
+}
+
+func (d *DebugOutput) Debug(format string, args ...interface{}) {
+	msg := fmt.Sprintf(format, args...)
+	log.Printf("%s: %s\n", d.name, msg)
+}
+
+func (d *DebugOutput) Trace(err *error, format string, args ...interface{}) func() {
+	msg := fmt.Sprintf(format, args...)
+	start := time.Now()
+	log.Printf("+ %s: %s\n", d.name, msg)
+	return func() {
+		log.Printf("- %s: %s -> %s [time=%v]\n", d.name, msg, ErrToOK(err), time.Since(start))
+	}
+}