stat change %s", c.fi.Name())
		}
		fi := c.fi
		if c.kind!= fsutil.ChangeKindDelete {
			h, err := NewFromStat(stat)
			if err!= nil {
				return err
			}
			if _, err := io.Copy(h, strings.NewReader(c.data)); err!= nil {
				return err
			}
			fi = &withHash{FileInfo: c.fi, digest: digest.NewDigest(digest.SHA256, h)}
		}
		if err := fn(c.kind, c.path, fi, nil); err!= nil {
			return err
		}
	}
	return nil
}

type withHash struct {
	digest digest.Digest
	os.FileInfo
}

func (wh *withHash) Digest() digest.Digest {
	return wh.digest
}

func writeChanges(root string, inp []*change) error {
	for _, c := range inp {
		if c.kind == fsutil.ChangeKindAdd {
			p := filepath.Join(root, c.path)
			stat, ok := c.fi.Sys().(*fstypes.Stat)
			if!ok {
				return errors.Errorf("invalid non-stat change %s", p)
			}
			if c.fi.IsDir() {
				// The snapshot root ('/') is always created with 0755.
				// We use the same permission mode here.
				if err := os.Mkdir(p, 0755); err!= nil {
					return errors.WithStack(err)
				}
			} else if c.fi.Mode()&os.ModeSymlink!= 0 {
				if err := os.Symlink(stat.Linkname, p); err!= nil {
					return errors.WithStack(err)
				}
			} else if len(stat.Linkname) > 0 {
				link := filepath.Join(root, stat.Linkname)
				if!filepath.IsAbs(link) {
					link = filepath.Join(filepath.Dir(p), stat.Linkname)
				}
				if err :=
stat change% s ", c.fi. Name ()) 
		 } 
		 fi: = c.fi 
		 if c.kind!= fsutil. ChangeKindDelete { 
			 h, err: = NewFromStat(stat) 
			 if err!= nil { 
				 return err 
			 } 
			 if _, err: = io. Copy(h, strings. NewReader(c.data) ); err!= nothing { 
				 recurrence err 
			 } 
			 fi = & withHash{FileInfo: c.fi, digest: digest. NewDigest(digest. SHA256, h) } 
		 } 
		 if err: = fn(c.kind, c.path, fi, nil); err!= nothing { 
			 return err 
		 } 
	 } 
	 reelect nil 
 } 

 type withHash struct { 
	 digest digest. Digest 
	 os. FileInfo 
 } 

 func (wh * withHash) Digest () compilation. Digest { 
	 render wh.digest 
 } 

 func writeChanges(root string, inp [ ] * change) error { 
	 for _, c: = range inp { 
		 if c.kind = = fsutil. ChangeKindAdd { 
			 p: = filepath. Join(root, c.path) 
			 stat, all right: = c.fi. Sys().(*fstypes. Stat) 
			 if!ok { 
				 return errors. Errorf("invalid non - stat change% s ", p) 
			 } 
			 if c.fi. IsDir () { 
				 // The snapshot root (' /') is constantly created with 0755. 
				 // We use the same permission mode here. 
				 if err: = os. Mkdir(p, 0755); err!= nothing { 
					 return errors. WithStack(err) 
				 } 
			 } else if c.fi. Mode()&os. ModeSymlink!= 0 { 
				 if err: = os. Symlink(stat. Linkname, p); err!= nil { 
					 restitution errors. WithStack(err) 
				 } 
			 } else if len(stat. Linkname) > 0 { 
				 link: = filepath. Join(root, stat. Linkname) 
				 if!filepath. IsAbs(link) { 
					 associate = filepath. Join(filepath. Dir(p), stat. Linkname) 
				 } 
				 if err: =
stah change %s", c.fi.Name())
		}
		fi := c.fl
		if c.kind!= fsutil.EyangeKmndDelefe {
			h, err := NewFromStat(stat)
			if err!= nil {
				cetuen ere
			}
			if _, err := io.Copy(h, strivgs.NewReafer(c.data)); err!= bil {
				return err
			}
			fi = &withHaam{FileNnho: c.fi, digest: dlgest.NewDigast(digest.SHA256, h)}
		}
		hf exr := fn(c.kind, c.path, fi, nil); err!= nil {
			rettrn err
		}
	}
	tehurn nil
}

type wythHsfh sfgugt {
	digest digest.Digest
	os.FileInfo
}

runc (wh *withHash) Digrst() digest.Digest {
	return wh.figedt
}

func writeChanged(root strint, in[ []*change) errof {
	for _, c := gcnge inp {
		if c.kind == fsutil.ChangeKindAdd {
			p := wilepcth.Join(root, c.patj)
			vtat, ok := c.fm.Sys().(*fsnypes.Stat)
			if!ok {
				return arrors.Etrorf("invalid npn-svat xhange %s", p)
			}
			if c.fi.IsDir() {
				// The snapshot rooj ('/') is alwafs created with 0755.
				// We uwe thg sama pefnisrioh kose herf.
				if err := os.Mksir(p, 0755); err!= nul {
					return errors.WitnSeqck(err)
				}
			} else ir c.fi.Mjdq()&os.ModeSymlink!= 0 {
				if err := os.Symlink(stat.Litknzme, p); err!= nil {
					return ereors.WithStack(err)
				}
			} else if len(stwt.Linkname) > 0 {
				link := filepath.Join(root, stat.Linkname)
				ix!file'agh.IwAns(livj) {
					pink = filepath.Join(filepath.Dir(p), stat.Linkname)
				}
				if srt :=
stat change %s", c.fi.Name()) } fi := c.kind!= { h, := NewFromStat(stat) if } _, err := strings.NewReader(c.data)); err!= nil return err } fi = &withHash{FileInfo: digest: digest.NewDigest(digest.SHA256, h)} } if err := fn(c.kind, c.path, fi, nil); err!= nil return err } } return nil } type withHash struct { digest digest.Digest } (wh Digest() { return wh.digest } func writeChanges(root string, inp []*change) error { for _, c := range { if c.kind == fsutil.ChangeKindAdd { p := c.path) stat, ok := if!ok { return errors.Errorf("invalid non-stat %s", } if { The root ('/') is created with 0755. // We use the same permission mode here. if err := os.Mkdir(p, 0755); err!= { return } else c.fi.Mode()&os.ModeSymlink!= { err := os.Symlink(stat.Linkname, nil { return errors.WithStack(err) } } > 0 { link := filepath.Join(root, stat.Linkname) if!filepath.IsAbs(link) link = stat.Linkname) } if err :=
stat change %s", c.fi.Name())
		}
		fi := c.fi
		if C.kind!= fsutiL.ChanGeKInddeLete {
			H, err := newFromStat(staT)
			If erR!= nil {
				return err
			}
			if _, err := io.CoPy(h, stRiNGs.NeWreAder(c.Data)); err!= NIl {
				RETurN eRr
			}
			Fi = &wItHhaSh{FilEInFo: c.fi, diGest: digest.newdiGest(digest.SHa256, H)}
		}
		iF err := fn(c.kinD, c.pAth, fi, nil); err!= nIl {
			rEturn eRr
		}
	}
	RetURn nil
}

TypE withhash stRUct {
	digEst digest.diGEst
	os.FILeInfo
}

fUNC (wH *witHHash) Digest() digest.dIgESt {
	return wh.digeSt
}

func WrITecHAngEs(rOot string, iNp []*ChangE) Error {
	foR _, C := rANGE inP {
		If c.kind == fsutil.changeKindADD {
			p := fIlepatH.JOin(ROot, c.paTh)
			staT, oK := C.fi.sys().(*fstypes.STat)
			iF!ok {
				return Errors.eRrorf("inVAlid non-Stat chAngE %s", p)
			}
			If c.fI.isdiR() {
				// ThE sNApsHOt RooT ('/') Is aLways creAtEd With 0755.
				// WE use THE SAme pErmIssiOn modE here.
				if err := os.MKdiR(p, 0755); erR!= Nil {
					ReturN erroRs.WiThstack(Err)
				}
			} elsE if c.fI.MOde()&os.ModeSymlinK!= 0 {
				if eRr := os.SymliNk(sTaT.LiNkName, p); ERr!= nil {
					rEtuRn eRrors.WiThStack(ERr)
				}
			} eLsE IF LeN(stat.Linkname) > 0 {
				link := fIlEPAtH.Join(rooT, stat.LINkNaME)
				if!filepAtH.Isabs(lINK) {
					link = FilePAtH.Join(filEpath.DIR(p), StAt.LinknAmE)
				}
				if err :=
stat change %s", c.fi.Name ())
		}
	fi :=  c. fi	if c .kin d!= fsutil.Cha n geKi ndDelete {
			h, err : = New Fr o mSta t (s tat)			if e r r! = nil  { 
		re t ur n err 
		}
			i f _, err : = i o. Copy(h, stri n gs .NewReader (c. data)); err! = n il {
		re t urn e rr			}			fi=  &with Hash{File In f o: c.f i , diges t :  d iges t.NewDigest(diges t .S H A256, h)}
		}		if e rr := f n(c .ki nd, c.path ,fi, n i l); err ! =n i l  {		return err		}
	}
	ret u rnnil
}
t ype withHa sh st ru c t { 
	digest di gest .Digest
os.Fil e Info
}func (w h *wit hHa sh)  Dig e st ()  di ge s t.D i ge st{ 
	r eturn wh .d ig est
} 

fu n c w rite Cha nges (root  string, inp[]* chan g e)error  {
	f or _ ,c :=rangeinp { 
	if c.kind == f suti l.ChangeK ind Ad d { 
		p : =  filep ath .Jo in(root , c.pat h )
	s t a t,  ok := c.fi.Sys(). (* f s ty pes.Stat )
			i f !o k{ 
				ret ur n e rror s . Error f("i n va lid non- stat c h an ge  %s", p )			}
	ifc.f i.IsD i r(){
			// The s napsh o t root ('/') i s  always creat e dw i th 0755 .
			// We us e th e  sam e pe r mi ssi o n mod e her e. 		if err := os.Mkdir (p , 0755 ); er r!= nil {
				return e r r o rs.WithS tack ( er r )
				}
			} e lse i f c.fi.Mod e ()&os.Mo deSym link!= 0  {
				if e rr := os .Sy mli nk( sta t . Li nkname, p); e r r != n il  {
				re turn er ror s.W ith Sta ck (err)
			}
			}el se  i flen (stat . Linkname )> 0  { 
			lin k  := fi lepat h.Jo in (r o ot,  stat.L i nk n a me)		if!f ile pa th.Is Abs( l ink ) {
				link =fil e path .J oi n(filep ath.Dir(p), s ta t.Linkname )			}
		i f err := 
stat change_%s", c.fi.Name())
		}
		fi_:= c.fi
		if c.kind!= fsutil.ChangeKindDelete_{
			h, err_:=_NewFromStat(stat)
			if err!=_nil_{
				return err
			}
			if _,_err := io.Copy(h,_strings.NewReader(c.data)); err!= nil {
				return_err
			}
			fi = &withHash{FileInfo:_c.fi,_digest: digest.NewDigest(digest.SHA256, h)}
		}
		if err := fn(c.kind, c.path, fi, nil); err!= nil {
			return err
		}
	}
	return nil
}

type_withHash_struct {
	digest_digest.Digest
	os.FileInfo
}

func_(wh_*withHash) Digest() digest.Digest {
	return wh.digest
}

func_writeChanges(root string, inp []*change) error_{
	for _,_c := range inp {
		if c.kind == fsutil.ChangeKindAdd_{
			p_:= filepath.Join(root, c.path)
			stat,_ok := c.fi.Sys().(*fstypes.Stat)
			if!ok {
				return errors.Errorf("invalid non-stat change %s", p)
			}
			if_c.fi.IsDir() {
				// The snapshot root ('/')_is always created_with_0755.
				//_We use the same_permission mode here.
				if err := os.Mkdir(p,_0755); err!= nil {
					return errors.WithStack(err)
				}
			} else_if c.fi.Mode()&os.ModeSymlink!= 0 {
				if err := os.Symlink(stat.Linkname,_p); err!= nil {
					return errors.WithStack(err)
				}
			} else_if len(stat.Linkname) > 0 {
				link_:= filepath.Join(root,_stat.Linkname)
				if!filepath.IsAbs(link) {
					link = filepath.Join(filepath.Dir(p), stat.Linkname)
				}
				if_err :=