var mtime time.Time
	if mtimeStr != "" {
		mtime, err = time.Parse(time.RFC3339Nano, mtimeStr)
		if err != nil {
			return opts, fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err)
		}
	}
	retaintimeStr := strings.TrimSpace(hdr.Get(xhttp.MinIOSourceObjectRetentionTimestamp))
	var retaintimestmp time.Time
	if retaintimeStr != "" {

			// atime and ctime fields (e.g., when they are valid octal strings),
			// then it is impossible to distinguish between a valid GNU file
			// and an invalid pre-Go1.8 file.
			//
			// See https://golang.org/issues/12594
			// See https://golang.org/issues/21005
			if p2.err != nil {
				hdr.AccessTime, hdr.ChangeTime = time.Time{}, time.Time{}
				ustar := tr.blk.toUSTAR()

	tw := tar.NewWriter(zw)

	// Find the mode and mtime to use for directory entries,
	// based on the mode and mtime of the first file we see.
	// We know that modes and mtimes are uniform across the archive.
	var dirMode fs.FileMode
	var mtime time.Time
	for _, f := range a.Files {
		dirMode = fs.ModeDir | f.Mode | (f.Mode&0444)>>2 // copy r bits down to x bits
		mtime = f.Time
		break
	}

package gzip

import (
	"internal/testenv"
	"io/fs"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"testing"
)

// TestGZIPFilesHaveZeroMTimes checks that every .gz file in the tree
// has a zero MTIME. This is a requirement for the Debian maintainers
// to be able to have deterministic packages.
//
// To patch a .gz file, use the following command:
//
//	$ dd if=/dev/zero bs=1 seek=4 count=4 conv=notrunc of=filename.gz

	}
	if fs.sys.Mode&syscall.S_ISUID != 0 {
		fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atimespec.Unix())

	}
	if fs.sys.Mode&syscall.S_ISUID != 0 {
		fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atim.Unix())

	}
	if fs.sys.Mode&syscall.S_ISUID != 0 {
		fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atimespec.Unix())

	}
	if fs.sys.Mode&syscall.S_ISUID != 0 {
		fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atim.Unix())

	}
	if fs.sys.Mode&syscall.S_ISUID != 0 {
		fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atimespec.Unix())

	}
	if fs.sys.Mode&syscall.S_ISUID != 0 {
		fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atim.Unix())