getting warmer

internal/bork/error.go

@@ -0,0 +1,13 @@
+package bork
+
+import (
+	"errors"
+	"fmt"
+)
+
+var ErrMissingMagic = errors.New("missing magic bytes in file")
+var ErrFileTruncated = errors.New("file/stream is truncated abnormally")
+
+func Newf(format string, args ...interface{}) error {
+	return errors.New(fmt.Sprintf(format, args...))
+}

internal/log/log.go

@@ -1,6 +1,9 @@
 package log
 
 import (
+	"fmt"
+	"runtime"
+
 	"github.com/apex/log"
 	acli "github.com/apex/log/handlers/cli"
 	"github.com/davecgh/go-spew/spew"
@@ -25,13 +28,25 @@ func Init() {
 	log.SetLevel(log.InfoLevel)
 }
 
+func Debugf(format string, args ...interface{}) {
+	DebugReal(fmt.Sprintf(format, args...), 2)
+}
+
 func Debug(arg string) {
-	log.Debug(arg)
+	DebugReal(arg, 2)
+}
+
+func DebugReal(arg string, cs int) {
+	_, callerFile, callerLine, ok := runtime.Caller(cs)
+	if !ok {
+		return
+	}
+	tag := fmt.Sprintf("%s:%d: ", callerFile, callerLine)
+	log.Debug(tag + arg)
 }
 
 func Dump(args ...interface{}) {
-	str := spew.Sdump(args...)
-	Debug(str)
+	DebugReal(spew.Sdump(args...), 2)
 }
 
 func EnableDebugLogging() {