utils: move trace to utils

Without exposing `trace`, we can't set a target to enable tracing from
out of go-git.

Fixes: https://github.com/go-git/go-git/pull/916

1 files changed, 0 insertions, 55 deletions

diff --git a/internal/trace/trace.go b/internal/trace/trace.go
deleted file mode 100644
index 3e15c5b..0000000
--- a/internal/trace/trace.go
+++ /dev/null
@@ -1,55 +0,0 @@
-package trace
-
-import (
-	"fmt"
-	"log"
-	"os"
-	"sync/atomic"
-)
-
-var (
-	// logger is the logger to use for tracing.
-	logger = newLogger()
-
-	// current is the targets that are enabled for tracing.
-	current atomic.Int32
-)
-
-func newLogger() *log.Logger {
-	return log.New(os.Stderr, "", log.Ltime|log.Lmicroseconds|log.Lshortfile)
-}
-
-// Target is a tracing target.
-type Target int32
-
-const (
-	// General traces general operations.
-	General Target = 1 << iota
-
-	// Packet traces git packets.
-	Packet
-)
-
-// SetTarget sets the tracing targets.
-func SetTarget(target Target) {
-	current.Store(int32(target))
-}
-
-// SetLogger sets the logger to use for tracing.
-func SetLogger(l *log.Logger) {
-	logger = l
-}
-
-// Print prints the given message only if the target is enabled.
-func (t Target) Print(args ...interface{}) {
-	if int32(t)&current.Load() != 0 {
-		logger.Output(2, fmt.Sprint(args...)) // nolint: errcheck
-	}
-}
-
-// Printf prints the given message only if the target is enabled.
-func (t Target) Printf(format string, args ...interface{}) {
-	if int32(t)&current.Load() != 0 {
-		logger.Output(2, fmt.Sprintf(format, args...)) // nolint: errcheck
-	}
-}