wip: testing

Author: profnandaa

cache/contenthash/checksum.go

@@ -62,9 +62,6 @@ type ChecksumOpts struct {
 }
 
 func Checksum(ctx context.Context, ref cache.ImmutableRef, path string, opts ChecksumOpts, s session.Group) (digest.Digest, error) {
-	// only applies for Windows, it's a no-op on non-Windows.
-	enableProcessPrivileges()
-	defer disableProcessPrivileges()
 	return getDefaultManager().Checksum(ctx, ref, path, opts, s)
 }
 
@@ -866,6 +863,10 @@ func (cc *cacheContext) scanChecksum(ctx context.Context, m *mount, p string, fo
 }
 
 func (cc *cacheContext) checksum(ctx context.Context, root *iradix.Node[*CacheRecord], txn *iradix.Txn[*CacheRecord], m *mount, k []byte, followTrailing bool) (*CacheRecord, bool, error) {
+	// only applies for Windows, it's a no-op on non-Windows.
+	enableProcessPrivileges()
+	defer disableProcessPrivileges()
+
 	origk := k
 	k, cr, err := getFollowLinks(root, k, followTrailing)
 	if err != nil {

cache/contenthash/checksum_windows.go

@@ -1,9 +1,11 @@
 package contenthash
 
 import (
+	"context"
 	"path/filepath"
 
 	"github.com/Microsoft/go-winio"
+	"github.com/moby/buildkit/util/bklog"
 )
 
 var privileges = []string{winio.SeBackupPrivilege}
@@ -26,4 +28,5 @@ func enableProcessPrivileges() {
 // once the group of functions that needed it is complete.
 func disableProcessPrivileges() {
 	_ = winio.DisableProcessPrivileges(privileges)
+	bklog.G(context.TODO()).Info("==> privilege disabled!!")
 }