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Internal support for ignoring permissions

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This commit is contained in:
Jakob Borg 2014-05-23 13:10:26 +02:00
parent bcdc3ecdae
commit 303ce02271
2 changed files with 25 additions and 6 deletions
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6
model/puller.go
View File

@ -538,7 +538,7 @@ func (p *puller) handleEmptyBlock(b bqBlock) {
delete(p.openFiles, f.Name)
return
}
if os.Chmod(of.temp, os.FileMode(f.Flags&0777)) != nil {
if protocol.HasPermissionBits(f.Flags) && os.Chmod(of.temp, os.FileMode(f.Flags&0777)) != nil {
delete(p.openFiles, f.Name)
return
}
@ -607,7 +607,9 @@ func (p *puller) closeFile(f scanner.File) {
t := time.Unix(f.Modified, 0)
os.Chtimes(of.temp, t, t)
os.Chmod(of.temp, os.FileMode(f.Flags&0777))
if protocol.HasPermissionBits(f.Flags) {
os.Chmod(of.temp, os.FileMode(f.Flags&0777))
}
defTempNamer.Show(of.temp)
if debug {
l.Debugf("pull: rename %q / %q: %q", p.repo, f.Name, of.filepath)

25
scanner/walk.go
View File

@ -29,6 +29,10 @@ type Walker struct {
// Suppressed files will be returned with empty metadata and the Suppressed flag set.
// Requires CurrentFiler to be set.
Suppressor Suppressor
// If IgnorePermissions is true, changes to permission bits will not be
// detected. Scanned files will get zero permission bits and the
// NoPermissionBits flag set.
IgnorePermissions bool
}
type TempNamer interface {
@ -162,16 +166,23 @@ func (w *Walker) walkAndHashFiles(res *[]File, ign map[string][]string) filepath
if info.Mode().IsDir() {
if w.CurrentFiler != nil {
cf := w.CurrentFiler.CurrentFile(rn)
if cf.Modified == info.ModTime().Unix() && protocol.IsDirectory(cf.Flags) && PermsEqual(cf.Flags, uint32(info.Mode())) {
permUnchanged := w.IgnorePermissions || !protocol.HasPermissionBits(cf.Flags) || PermsEqual(cf.Flags, uint32(info.Mode()))
if cf.Modified == info.ModTime().Unix() && protocol.IsDirectory(cf.Flags) && permUnchanged {
if debug {
l.Debugln("unchanged:", cf)
}
*res = append(*res, cf)
} else {
var flags uint32 = protocol.FlagDirectory
if w.IgnorePermissions {
flags |= protocol.FlagNoPermBits
} else {
flags |= uint32(info.Mode() & os.ModePerm)
}
f := File{
Name: rn,
Version: lamport.Default.Tick(0),
Flags: uint32(info.Mode()&os.ModePerm) | protocol.FlagDirectory,
Flags: flags,
Modified: info.ModTime().Unix(),
}
if debug {
@ -186,7 +197,8 @@ func (w *Walker) walkAndHashFiles(res *[]File, ign map[string][]string) filepath
if info.Mode().IsRegular() {
if w.CurrentFiler != nil {
cf := w.CurrentFiler.CurrentFile(rn)
if !protocol.IsDeleted(cf.Flags) && cf.Modified == info.ModTime().Unix() && PermsEqual(cf.Flags, uint32(info.Mode())) {
permUnchanged := w.IgnorePermissions || !protocol.HasPermissionBits(cf.Flags) || PermsEqual(cf.Flags, uint32(info.Mode()))
if !protocol.IsDeleted(cf.Flags) && cf.Modified == info.ModTime().Unix() && permUnchanged {
if debug {
l.Debugln("unchanged:", cf)
}
@ -235,11 +247,16 @@ func (w *Walker) walkAndHashFiles(res *[]File, ign map[string][]string) filepath
t1 := time.Now()
l.Debugln("hashed:", rn, ";", len(blocks), "blocks;", info.Size(), "bytes;", int(float64(info.Size())/1024/t1.Sub(t0).Seconds()), "KB/s")
}
var flags = uint32(info.Mode() & os.ModePerm)
if w.IgnorePermissions {
flags = protocol.FlagNoPermBits
}
f := File{
Name: rn,
Version: lamport.Default.Tick(0),
Size: info.Size(),
Flags: uint32(info.Mode()),
Flags: flags,
Modified: info.ModTime().Unix(),
Blocks: blocks,
}