// The downside is that renaming uname or gname by the OS never takes effect.
var userMap, groupMap sync.Map // map[int]string

func statUnix(fi fs.FileInfo, h *Header, doNameLookups bool) error {
	sys, ok := fi.Sys().(*syscall.Stat_t)
	if !ok {
		return nil
	}
	h.Uid = int(sys.Uid)
	h.Gid = int(sys.Gid)
	if doNameLookups {
		// Best effort at populating Uname and Gname.
		// The os/user functions may fail for any number of reasons

	if runtime.GOOS == "android" {
		t.Skip("unsupported on Android")
	}
	if _, err := os.Stat("/etc/alpine-release"); err == nil {
		t.Skip("setgid is broken with musl libc - go.dev/issue/39857")
	}
	testSetgid(t)
}

func TestSetgidStress(t *testing.T) {
	if runtime.GOOS == "android" {
		t.Skip("unsupported on Android")
	}
	if _, err := os.Stat("/etc/alpine-release"); err == nil {

		t.Fatalf("expected function name %v; got %v", symName, funcName)
	}
	fi1, err := os.Stat("addr2line_test.go")
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}

	// Debug paths are stored slash-separated, so convert to system-native.
	srcPath = filepath.FromSlash(srcPath)
	fi2, err := os.Stat(srcPath)

	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}
	if !os.SameFile(fi1, fi2) {

	output, err := exec.Command(swig, "-go", "-swiglib").Output()
	if err != nil {
		t.Skip("swig is missing Go support")
	}
	swigDir := strings.TrimSpace(string(output))

	_, err = os.Stat(filepath.Join(swigDir, "go"))
	if err != nil {
		t.Skip("swig is missing Go support")
	}

	// Check that swig has a new enough version.
	// See https://golang.org/issue/22858.

}

type openDir struct {
	e      *fileListEntry
	files  []fileListEntry
	offset int
}

func (d *openDir) Close() error               { return nil }
func (d *openDir) Stat() (fs.FileInfo, error) { return d.e.stat() }

func (d *openDir) Read([]byte) (int, error) {
	return 0, &fs.PathError{Op: "read", Path: d.e.name, Err: errors.New("is a directory")}
}

			suffix = suffix[1:]
		}
		dstPath := filepath.Join(dstRoot, suffix)

		perm := info.Mode() & os.ModePerm
		if info.Mode()&os.ModeSymlink != 0 {
			info, err = os.Stat(srcPath)
			if err != nil {
				return err
			}
			perm = info.Mode() & os.ModePerm
		}

		// Always copy directories (don't symlink them).

Commit generated by update.bash.

For #22487.
"

if [ "$1" = "-commit" ]; then
	echo "Creating commit. Run 'git reset HEAD^' to undo commit."
	echo
	git commit -m "$commitmsg" $files
	echo
	git log -n1 --stat
	echo

pkg syscall (freebsd-386), type Stat_t struct, Blksize uint32
pkg syscall (freebsd-386), type Stat_t struct, Dev uint32
pkg syscall (freebsd-386), type Stat_t struct, Gen uint32
pkg syscall (freebsd-386), type Stat_t struct, Ino uint32
pkg syscall (freebsd-386), type Stat_t struct, Lspare int32
pkg syscall (freebsd-386), type Stat_t struct, Nlink uint16
pkg syscall (freebsd-386), type Stat_t struct, Pad_cgo_0 [8]uint8

There are no runtime metrics for this change,
This setting may be removed in a future release, Go 1.27 at the earliest.

Go 1.23 changed the mode bits reported by [`os.Lstat`](/pkg/os#Lstat) and [`os.Stat`](/pkg/os#Stat)
for reparse points, which can be controlled with the `winsymlink` setting.
As of Go 1.23 (`winsymlink=1`), mount points no longer have [`os.ModeSymlink`](/pkg/os#ModeSymlink)

pkg syscall (darwin-arm64-cgo), type Stat_t struct, Flags uint32
pkg syscall (darwin-arm64-cgo), type Stat_t struct, Gen uint32
pkg syscall (darwin-arm64-cgo), type Stat_t struct, Gid uint32
pkg syscall (darwin-arm64-cgo), type Stat_t struct, Ino uint64
pkg syscall (darwin-arm64-cgo), type Stat_t struct, Lspare int32
pkg syscall (darwin-arm64-cgo), type Stat_t struct, Mode uint16