[19.03] vendor: tonistiigi/fsutil v0.0.0-20191018213012-0f039a052ca1

full diff: 3d2716dd0a...0f039a052c

- receive: use filter on receive diff
    - prevents incremental transfers with userns because the metadata
      on disk is always different than the one being transferred.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2020-09-15 11:24:13 +02:00
parent 675a209afc
commit d6b05747dd
No known key found for this signature in database
GPG Key ID: 76698F39D527CE8C
7 changed files with 45 additions and 35 deletions

View File

@ -75,7 +75,7 @@ github.com/spf13/cobra ef82de70bb3f60c65fb8eebacbb2
github.com/spf13/pflag 4cb166e4f25ac4e8016a3595bbf7ea2e9aa85a2c https://github.com/thaJeztah/pflag.git # temporary fork with https://github.com/spf13/pflag/pull/170 applied, which isn't merged yet upstream
github.com/syndtr/gocapability d98352740cb2c55f81556b63d4a1ec64c5a319c2
github.com/theupdateframework/notary d6e1431feb32348e0650bf7551ac5cffd01d857b # v0.6.1
github.com/tonistiigi/fsutil 3d2716dd0a4d06ff854241c7e8b6f3f904e1719f
github.com/tonistiigi/fsutil 0f039a052ca1da01626278199624b62aed9b3729
github.com/tonistiigi/units 6950e57a87eaf136bbe44ef2ec8e75b9e3569de2
github.com/xeipuuv/gojsonpointer 4e3ac2762d5f479393488629ee9370b50873b3a6
github.com/xeipuuv/gojsonreference bd5ef7bd5415a7ac448318e64f11a24cd21e594b

View File

@ -5,6 +5,7 @@ import (
"hash"
"os"
"github.com/pkg/errors"
"github.com/tonistiigi/fsutil/types"
)
@ -25,9 +26,14 @@ func GetWalkerFn(root string) walkerFn {
return err
}
stat, ok := f.Sys().(*types.Stat)
if !ok {
return errors.Errorf("%T invalid file without stat information", f.Sys())
}
p := &currentPath{
path: path,
f: f,
stat: stat,
}
select {

View File

@ -37,12 +37,12 @@ type ChangeFunc func(ChangeKind, string, os.FileInfo, error) error
type currentPath struct {
path string
f os.FileInfo
stat *types.Stat
// fullPath string
}
// doubleWalkDiff walks both directories to create a diff
func doubleWalkDiff(ctx context.Context, changeFn ChangeFunc, a, b walkerFn) (err error) {
func doubleWalkDiff(ctx context.Context, changeFn ChangeFunc, a, b walkerFn, filter FilterFunc) (err error) {
g, ctx := errgroup.WithContext(ctx)
var (
@ -86,14 +86,22 @@ func doubleWalkDiff(ctx context.Context, changeFn ChangeFunc, a, b walkerFn) (er
continue
}
var f os.FileInfo
k, p := pathChange(f1, f2)
var f *types.Stat
var f2copy *currentPath
if f2 != nil {
statCopy := *f2.stat
if filter != nil {
filter(f2.path, &statCopy)
}
f2copy = &currentPath{path: f2.path, stat: &statCopy}
}
k, p := pathChange(f1, f2copy)
switch k {
case ChangeKindAdd:
if rmdir != "" {
rmdir = ""
}
f = f2.f
f = f2.stat
f2 = nil
case ChangeKindDelete:
// Check if this file is already removed by being
@ -101,30 +109,30 @@ func doubleWalkDiff(ctx context.Context, changeFn ChangeFunc, a, b walkerFn) (er
if rmdir != "" && strings.HasPrefix(f1.path, rmdir) {
f1 = nil
continue
} else if rmdir == "" && f1.f.IsDir() {
} else if rmdir == "" && f1.stat.IsDir() {
rmdir = f1.path + string(os.PathSeparator)
} else if rmdir != "" {
rmdir = ""
}
f1 = nil
case ChangeKindModify:
same, err := sameFile(f1, f2)
same, err := sameFile(f1, f2copy)
if err != nil {
return err
}
if f1.f.IsDir() && !f2.f.IsDir() {
if f1.stat.IsDir() && !f2copy.stat.IsDir() {
rmdir = f1.path + string(os.PathSeparator)
} else if rmdir != "" {
rmdir = ""
}
f = f2.f
f = f2.stat
f1 = nil
f2 = nil
if same {
continue loop0
}
}
if err := changeFn(k, p, f, nil); err != nil {
if err := changeFn(k, p, &StatInfo{f}, nil); err != nil {
return err
}
}
@ -159,28 +167,17 @@ func pathChange(lower, upper *currentPath) (ChangeKind, string) {
func sameFile(f1, f2 *currentPath) (same bool, retErr error) {
// If not a directory also check size, modtime, and content
if !f1.f.IsDir() {
if f1.f.Size() != f2.f.Size() {
if !f1.stat.IsDir() {
if f1.stat.Size_ != f2.stat.Size_ {
return false, nil
}
t1 := f1.f.ModTime()
t2 := f2.f.ModTime()
if t1.UnixNano() != t2.UnixNano() {
if f1.stat.ModTime != f2.stat.ModTime {
return false, nil
}
}
ls1, ok := f1.f.Sys().(*types.Stat)
if !ok {
return false, nil
}
ls2, ok := f2.f.Sys().(*types.Stat)
if !ok {
return false, nil
}
return compareStat(ls1, ls2)
return compareStat(f1.stat, f2.stat)
}
// compareStat returns whether the stats are equivalent,

View File

@ -194,7 +194,7 @@ func (dw *DiskWriter) HandleChange(kind ChangeKind, p string, fi os.FileInfo, er
if isRegularFile {
if dw.opt.AsyncDataCb != nil {
dw.requestAsyncFileData(p, destPath, fi)
dw.requestAsyncFileData(p, destPath, fi, &statCopy)
}
} else {
return dw.processChange(kind, p, fi, nil)
@ -203,7 +203,7 @@ func (dw *DiskWriter) HandleChange(kind ChangeKind, p string, fi os.FileInfo, er
return nil
}
func (dw *DiskWriter) requestAsyncFileData(p, dest string, fi os.FileInfo) {
func (dw *DiskWriter) requestAsyncFileData(p, dest string, fi os.FileInfo, st *types.Stat) {
// todo: limit worker threads
dw.eg.Go(func() error {
if err := dw.processChange(ChangeKindAdd, p, fi, &lazyFileWriter{
@ -211,7 +211,7 @@ func (dw *DiskWriter) requestAsyncFileData(p, dest string, fi os.FileInfo) {
}); err != nil {
return err
}
return chtimes(dest, fi.ModTime().UnixNano()) // TODO: parent dirs
return chtimes(dest, st.ModTime) // TODO: parent dirs
})
}

View File

@ -19,7 +19,7 @@ require (
github.com/pkg/errors v0.8.1
github.com/sirupsen/logrus v1.0.3 // indirect
github.com/stretchr/testify v1.3.0
golang.org/x/crypto v0.0.0-20190129210102-0709b304e793 // indirect
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 // indirect
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e
gopkg.in/airbrake/gobrake.v2 v2.0.9 // indirect

View File

@ -133,7 +133,7 @@ func (r *receiver) run(ctx context.Context) error {
if !r.merge {
destWalker = GetWalkerFn(r.dest)
}
err := doubleWalkDiff(ctx, dw.HandleChange, destWalker, w.fill)
err := doubleWalkDiff(ctx, dw.HandleChange, destWalker, w.fill, r.filter)
if err != nil {
return err
}
@ -180,11 +180,11 @@ func (r *receiver) run(ctx context.Context) error {
r.mu.Unlock()
}
i++
cp := &currentPath{path: p.Stat.Path, f: &StatInfo{p.Stat}}
if err := r.orderValidator.HandleChange(ChangeKindAdd, cp.path, cp.f, nil); err != nil {
cp := &currentPath{path: p.Stat.Path, stat: p.Stat}
if err := r.orderValidator.HandleChange(ChangeKindAdd, cp.path, &StatInfo{cp.stat}, nil); err != nil {
return err
}
if err := r.hlValidator.HandleChange(ChangeKindAdd, cp.path, cp.f, nil); err != nil {
if err := r.hlValidator.HandleChange(ChangeKindAdd, cp.path, &StatInfo{cp.stat}, nil); err != nil {
return err
}
if err := w.update(cp); err != nil {

7
vendor/github.com/tonistiigi/fsutil/types/stat.go generated vendored Normal file
View File

@ -0,0 +1,7 @@
package types
import "os"
func (s Stat) IsDir() bool {
return os.FileMode(s.Mode).IsDir()
}