Previously, `Changes()` for a symlink to absolute path, with second-precision mtime of the link itself always resulted in ENOENT. This is because `compareFileContent()` was called for the link target path, without changing the root path. Fix moby/buildkit#172 Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
		
			
				
	
	
		
			30 lines
		
	
	
		
			766 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			766 B
		
	
	
	
		
			Go
		
	
	
	
	
	
// +build !windows
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package fstest
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import (
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	"path/filepath"
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	"time"
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	"github.com/containerd/continuity/sysx"
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	"golang.org/x/sys/unix"
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)
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// SetXAttr sets the xatter for the file
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func SetXAttr(name, key, value string) Applier {
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	return applyFn(func(root string) error {
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		return sysx.LSetxattr(name, key, []byte(value), 0)
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	})
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}
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// Lchtimes changes access and mod time of file without following symlink
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func Lchtimes(name string, atime, mtime time.Time) Applier {
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	return applyFn(func(root string) error {
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		path := filepath.Join(root, name)
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		at := unix.NsecToTimespec(atime.UnixNano())
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		mt := unix.NsecToTimespec(mtime.UnixNano())
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		utimes := [2]unix.Timespec{at, mt}
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		return unix.UtimesNanoAt(unix.AT_FDCWD, path, utimes[0:], unix.AT_SYMLINK_NOFOLLOW)
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	})
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}
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