vendor: update buildkit to 539be170

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

vendor/github.com/moby/sys/mount/flags_bsd.go

@@ -1,3 +1,4 @@
+//go:build freebsd || openbsd
 // +build freebsd openbsd
 
 package mount

vendor/github.com/moby/sys/mount/flags_unix.go

@@ -1,3 +1,4 @@
+//go:build !darwin && !windows
 // +build !darwin,!windows
 
 package mount
@@ -101,7 +102,7 @@ func MergeTmpfsOptions(options []string) ([]string, error) {
 		}
 		opt := strings.SplitN(option, "=", 2)
 		if len(opt) != 2 || !validFlags[opt[0]] {
-			return nil, fmt.Errorf("Invalid tmpfs option %q", opt)
+			return nil, fmt.Errorf("invalid tmpfs option %q", opt)
 		}
 		if !dataCollisions[opt[0]] {
 			// We prepend the option and add to collision map

vendor/github.com/moby/sys/mount/go.mod

@@ -1,8 +1,8 @@
 module github.com/moby/sys/mount
 
-go 1.14
+go 1.16
 
 require (
-	github.com/moby/sys/mountinfo v0.4.0
-	golang.org/x/sys v0.0.0-20200922070232-aee5d888a860
+	github.com/moby/sys/mountinfo v0.5.0
+	golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359
 )

vendor/github.com/moby/sys/mount/go.sum

@@ -1,5 +1,4 @@
-github.com/moby/sys/mountinfo v0.4.0 h1:1KInV3Huv18akCu58V7lzNlt+jFmqlu1EaErnEHE/VM=
-github.com/moby/sys/mountinfo v0.4.0/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A=
-golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200922070232-aee5d888a860 h1:YEu4SMq7D0cmT7CBbXfcH0NZeuChAXwsHe/9XueUO6o=
-golang.org/x/sys v0.0.0-20200922070232-aee5d888a860/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+github.com/moby/sys/mountinfo v0.5.0 h1:2Ks8/r6lopsxWi9m58nlwjaeSzUX9iiL1vj5qB/9ObI=
+github.com/moby/sys/mountinfo v0.5.0/go.mod h1:3bMD3Rg+zkqx8MRYPi7Pyb0Ie97QEBmdxbhnCLlSvSU=
+golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359 h1:2B5p2L5IfGiD7+b9BOoRMC6DgObAVZV+Fsp050NqXik=
+golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

vendor/github.com/moby/sys/mount/mount_errors.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package mount

vendor/github.com/moby/sys/mount/mount_unix.go

@@ -1,3 +1,4 @@
+//go:build !darwin && !windows
 // +build !darwin,!windows
 
 package mount
@@ -22,7 +23,7 @@ func Mount(device, target, mType, options string) error {
 // a normal unmount. If target is not a mount point, no error is returned.
 func Unmount(target string) error {
 	err := unix.Unmount(target, mntDetach)
-	if err == nil || err == unix.EINVAL {
+	if err == nil || err == unix.EINVAL { //nolint:errorlint // unix errors are bare
 		// Ignore "not mounted" error here. Note the same error
 		// can be returned if flags are invalid, so this code
 		// assumes that the flags value is always correct.

vendor/github.com/moby/sys/mount/mounter_freebsd.go

@@ -1,4 +1,5 @@
-// +build freebsd,cgo openbsd,cgo
+//go:build freebsd && cgo
+// +build freebsd,cgo
 
 package mount
 

vendor/github.com/moby/sys/mount/mounter_linux.go

@@ -65,7 +65,6 @@ func mount(device, target, mType string, flags uintptr, data string) error {
 				flags:  oflags | unix.MS_REMOUNT,
 				err:    err,
 			}
-
 		}
 	}
 

vendor/github.com/moby/sys/mount/mounter_openbsd.go

@@ -0,0 +1,78 @@
+//go:build openbsd && cgo
+// +build openbsd,cgo
+
+/*
+   Due to how OpenBSD mount(2) works, filesystem types need to be
+   supported explicitly since it uses separate structs to pass
+   filesystem-specific arguments.
+
+   For now only UFS/FFS is supported as it's the default fs
+   on OpenBSD systems.
+
+   See: https://man.openbsd.org/mount.2
+*/
+
+package mount
+
+/*
+#include <sys/types.h>
+#include <sys/mount.h>
+*/
+import "C"
+
+import (
+	"fmt"
+	"syscall"
+	"unsafe"
+)
+
+func createExportInfo(readOnly bool) C.struct_export_args {
+	exportFlags := C.int(0)
+	if readOnly {
+		exportFlags = C.MNT_EXRDONLY
+	}
+	out := C.struct_export_args{
+		ex_root:  0,
+		ex_flags: exportFlags,
+	}
+	return out
+}
+
+func createUfsArgs(device string, readOnly bool) unsafe.Pointer {
+	out := &C.struct_ufs_args{
+		fspec:       C.CString(device),
+		export_info: createExportInfo(readOnly),
+	}
+	return unsafe.Pointer(out)
+}
+
+func mount(device, target, mType string, flag uintptr, data string) error {
+	readOnly := flag&RDONLY != 0
+
+	var fsArgs unsafe.Pointer
+
+	switch mType {
+	case "ffs":
+		fsArgs = createUfsArgs(device, readOnly)
+	default:
+		return &mountError{
+			op:     "mount",
+			source: device,
+			target: target,
+			flags:  flag,
+			err:    fmt.Errorf("unsupported file system type: %s", mType),
+		}
+	}
+
+	if errno := C.mount(C.CString(mType), C.CString(target), C.int(flag), fsArgs); errno != 0 {
+		return &mountError{
+			op:     "mount",
+			source: device,
+			target: target,
+			flags:  flag,
+			err:    syscall.Errno(errno),
+		}
+	}
+
+	return nil
+}

vendor/github.com/moby/sys/mount/mounter_unsupported.go

@@ -1,3 +1,4 @@
+//go:build (!linux && !freebsd && !openbsd && !windows) || (freebsd && !cgo) || (openbsd && !cgo)
 // +build !linux,!freebsd,!openbsd,!windows freebsd,!cgo openbsd,!cgo
 
 package mount