go.mod: github.com/moby/sys/mountinfo v0.5.0

full diff: https://github.com/moby/sys/compare/95edfa939201...mountinfo/v0.5.0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

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

@@ -1,5 +1,5 @@
 module github.com/moby/sys/mountinfo
 
-go 1.14
+go 1.16
 
-require golang.org/x/sys v0.0.0-20200909081042-eff7692f9009
+require golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359

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

@@ -1,2 +1,2 @@
-golang.org/x/sys v0.0.0-20200909081042-eff7692f9009 h1:W0lCpv29Hv0UaM1LXb9QlBHLNP8UFfcKjblhVCWftOM=
-golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+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/mountinfo/mounted_linux.go

@@ -16,9 +16,6 @@ func mountedByOpenat2(path string) (bool, error) {
 		Flags: unix.O_PATH | unix.O_CLOEXEC,
 	})
 	if err != nil {
-		if err == unix.ENOENT { // not a mount
-			return false, nil
-		}
 		return false, &os.PathError{Op: "openat2", Path: dir, Err: err}
 	}
 	fd, err := unix.Openat2(dirfd, last, &unix.OpenHow{
@@ -26,20 +23,22 @@ func mountedByOpenat2(path string) (bool, error) {
 		Resolve: unix.RESOLVE_NO_XDEV,
 	})
 	_ = unix.Close(dirfd)
-	switch err {
+	switch err { //nolint:errorlint // unix errors are bare
 	case nil: // definitely not a mount
 		_ = unix.Close(fd)
 		return false, nil
 	case unix.EXDEV: // definitely a mount
 		return true, nil
-	case unix.ENOENT: // not a mount
-		return false, nil
 	}
 	// not sure
 	return false, &os.PathError{Op: "openat2", Path: path, Err: err}
 }
 
 func mounted(path string) (bool, error) {
+	path, err := normalizePath(path)
+	if err != nil {
+		return false, err
+	}
 	// Try a fast path, using openat2() with RESOLVE_NO_XDEV.
 	mounted, err := mountedByOpenat2(path)
 	if err == nil {

vendor/github.com/moby/sys/mountinfo/mounted_unix.go

@@ -1,9 +1,9 @@
+//go:build linux || (freebsd && cgo) || (openbsd && cgo) || (darwin && cgo)
 // +build linux freebsd,cgo openbsd,cgo darwin,cgo
 
 package mountinfo
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -15,10 +15,6 @@ func mountedByStat(path string) (bool, error) {
 	var st unix.Stat_t
 
 	if err := unix.Lstat(path, &st); err != nil {
-		if err == unix.ENOENT {
-			// Treat ENOENT as "not mounted".
-			return false, nil
-		}
 		return false, &os.PathError{Op: "stat", Path: path, Err: err}
 	}
 	dev := st.Dev
@@ -49,14 +45,6 @@ func normalizePath(path string) (realPath string, err error) {
 }
 
 func mountedByMountinfo(path string) (bool, error) {
-	path, err := normalizePath(path)
-	if err != nil {
-		if errors.Is(err, unix.ENOENT) {
-			// treat ENOENT as "not mounted"
-			return false, nil
-		}
-		return false, err
-	}
 	entries, err := GetMounts(SingleEntryFilter(path))
 	if err != nil {
 		return false, err

vendor/github.com/moby/sys/mountinfo/mountinfo.go

@@ -10,11 +10,12 @@ func GetMounts(f FilterFunc) ([]*Info, error) {
 	return parseMountTable(f)
 }
 
-// Mounted determines if a specified path is a mount point.
+// Mounted determines if a specified path is a mount point. In case of any
+// error, false (and an error) is returned.
 //
-// The argument must be an absolute path, with all symlinks resolved, and clean.
-// One way to ensure it is to process the path using filepath.Abs followed by
-// filepath.EvalSymlinks before calling this function.
+// The non-existent path returns an error. If a caller is not interested
+// in this particular error, it should handle it separately using e.g.
+// errors.Is(err, os.ErrNotExist).
 func Mounted(path string) (bool, error) {
 	// root is always mounted
 	if path == string(os.PathSeparator) {

vendor/github.com/moby/sys/mountinfo/mountinfo_bsd.go

@@ -1,3 +1,4 @@
+//go:build (freebsd && cgo) || (openbsd && cgo) || (darwin && cgo)
 // +build freebsd,cgo openbsd,cgo darwin,cgo
 
 package mountinfo
@@ -55,6 +56,10 @@ func parseMountTable(filter FilterFunc) ([]*Info, error) {
 }
 
 func mounted(path string) (bool, error) {
+	path, err := normalizePath(path)
+	if err != nil {
+		return false, err
+	}
 	// Fast path: compare st.st_dev fields.
 	// This should always work for FreeBSD and OpenBSD.
 	mounted, err := mountedByStat(path)

vendor/github.com/moby/sys/mountinfo/mountinfo_unsupported.go

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