vendor: update fsutil to 91a3fc4

Brings in fix for hardlink filters.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

client/client_test.go

@@ -166,6 +166,7 @@ var allTests = []func(t *testing.T, sb integration.Sandbox){
 	testFileOpInputSwap,
 	testRelativeMountpoint,
 	testLocalSourceDiffer,
+	testLocalSourceWithHardlinksFilter,
 	testNoTarOCIIndexMediaType,
 	testOCILayoutSource,
 	testOCILayoutPlatformSource,
@@ -2042,6 +2043,57 @@ func testLocalSourceWithDiffer(t *testing.T, sb integration.Sandbox, d llb.DiffT
 	}
 }
 
+// moby/buildkit#4831
+func testLocalSourceWithHardlinksFilter(t *testing.T, sb integration.Sandbox) {
+	requiresLinux(t)
+	c, err := New(context.TODO(), sb.Address())
+	require.NoError(t, err)
+	defer c.Close()
+
+	dir := integration.Tmpdir(
+		t,
+		fstest.CreateFile("bar", []byte("bar"), 0600),
+		fstest.Link("bar", "foo1"),
+		fstest.Link("bar", "foo2"),
+	)
+
+	st := llb.Local("mylocal", llb.FollowPaths([]string{"foo*"}))
+
+	def, err := st.Marshal(context.TODO())
+	require.NoError(t, err)
+
+	destDir := t.TempDir()
+
+	_, err = c.Solve(context.TODO(), def, SolveOpt{
+		Exports: []ExportEntry{
+			{
+				Type:      ExporterLocal,
+				OutputDir: destDir,
+			},
+		},
+		LocalMounts: map[string]fsutil.FS{
+			"mylocal": dir,
+		},
+	}, nil)
+	require.NoError(t, err)
+
+	_, err = os.ReadFile(filepath.Join(destDir, "bar"))
+	require.Error(t, err)
+	require.True(t, os.IsNotExist(err))
+
+	dt, err := os.ReadFile(filepath.Join(destDir, "foo1"))
+	require.NoError(t, err)
+	require.Equal(t, []byte("bar"), dt)
+
+	st1, err := os.Stat(filepath.Join(destDir, "foo1"))
+	require.NoError(t, err)
+
+	st2, err := os.Stat(filepath.Join(destDir, "foo2"))
+	require.NoError(t, err)
+
+	require.True(t, os.SameFile(st1, st2))
+}
+
 func testOCILayoutSource(t *testing.T, sb integration.Sandbox) {
 	workers.CheckFeatureCompat(t, sb, workers.FeatureOCIExporter, workers.FeatureOCILayout)
 	requiresLinux(t)

go.mod

@@ -66,7 +66,7 @@ require (
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spdx/tools-golang v0.5.3
 	github.com/stretchr/testify v1.8.4
-	github.com/tonistiigi/fsutil v0.0.0-20240418180507-497d33b008ef
+	github.com/tonistiigi/fsutil v0.0.0-20240424095704-91a3fc46842c
 	github.com/tonistiigi/go-actions-cache v0.0.0-20240320205438-9794bdbb2fb4
 	github.com/tonistiigi/go-archvariant v1.0.0
 	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea

go.sum

@@ -394,8 +394,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/tonistiigi/fsutil v0.0.0-20240418180507-497d33b008ef h1:1rshiFn5ka7/H9oGYXvRnV1BzhtWls2WSQZDrNwVsCA=
-github.com/tonistiigi/fsutil v0.0.0-20240418180507-497d33b008ef/go.mod h1:vbbYqJlnswsbJqWUcJN8fKtBhnEgldDrcagTgnBVKKM=
+github.com/tonistiigi/fsutil v0.0.0-20240424095704-91a3fc46842c h1:+6wg/4ORAbnSoGDzg2Q1i3CeMcT/jjhye/ZfnBHy7/M=
+github.com/tonistiigi/fsutil v0.0.0-20240424095704-91a3fc46842c/go.mod h1:vbbYqJlnswsbJqWUcJN8fKtBhnEgldDrcagTgnBVKKM=
 github.com/tonistiigi/go-actions-cache v0.0.0-20240320205438-9794bdbb2fb4 h1:R0lM8Jo3aZL95yjQHWQti7nszllleKBxCs9uyFbykII=
 github.com/tonistiigi/go-actions-cache v0.0.0-20240320205438-9794bdbb2fb4/go.mod h1:anhKd3mnC1shAbQj1Q4IJ+w6xqezxnyDYlx/yKa7IXM=
 github.com/tonistiigi/go-archvariant v1.0.0 h1:5LC1eDWiBNflnTF1prCiX09yfNHIxDC/aukdhCdTyb0=

vendor/modules.txt

@@ -762,7 +762,7 @@ github.com/spdx/tools-golang/spdx/v2/v2_3
 ## explicit; go 1.20
 github.com/stretchr/testify/assert
 github.com/stretchr/testify/require
-# github.com/tonistiigi/fsutil v0.0.0-20240418180507-497d33b008ef
+# github.com/tonistiigi/fsutil v0.0.0-20240424095704-91a3fc46842c
 ## explicit; go 1.20
 github.com/tonistiigi/fsutil
 github.com/tonistiigi/fsutil/copy