Give up, change import paths to the fork.

pkg/store/disk.go

@@ -6,7 +6,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/sixt/gomodproxy/pkg/vcs"
+	"github.com/bilus/gomodproxy/pkg/vcs"
 )
 
 type disk string

pkg/store/mem.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 	"sync"
 
-	"github.com/sixt/gomodproxy/pkg/vcs"
+	"github.com/bilus/gomodproxy/pkg/vcs"
 )
 
 type memory struct {

pkg/store/store.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"time"
 
-	"github.com/sixt/gomodproxy/pkg/vcs"
+	"github.com/bilus/gomodproxy/pkg/vcs"
 )
 
 type logger = func(...interface{})