func saveConfigLoop(cfgFile string) {
for _ = range saveConfigCh {
fd, err := os.Create(cfgFile + ".tmp")
if err != nil {
l.Warnln("Saving config:", err)
continue
}
err = config.Save(fd, cfg)
if err != nil {
l.Warnln("Saving config:", err)
fd.Close()
continue
}
err = fd.Close()
if err != nil {
l.Warnln("Saving config:", err)
continue
}
err = osutil.Rename(cfgFile+".tmp", cfgFile)
if err != nil {
l.Warnln("Saving config:", err)
}
}
}
func (cfg *Configuration) Save() error {
fd, err := os.Create(cfg.Location + ".tmp")
if err != nil {
l.Warnln("Saving config:", err)
return err
}
e := xml.NewEncoder(fd)
e.Indent("", " ")
err = e.Encode(cfg)
if err != nil {
fd.Close()
return err
}
_, err = fd.Write([]byte("\n"))
if err != nil {
l.Warnln("Saving config:", err)
fd.Close()
return err
}
err = fd.Close()
if err != nil {
l.Warnln("Saving config:", err)
return err
}
err = osutil.Rename(cfg.Location+".tmp", cfg.Location)
if err != nil {
l.Warnln("Saving config:", err)
}
events.Default.Log(events.ConfigSaved, cfg)
return err
}
func (p *puller) handleEmptyBlock(b bqBlock) {
f := b.file
of := p.openFiles[f.Name]
if b.last {
if of.err == nil {
of.file.Close()
}
}
if protocol.IsDeleted(f.Flags) {
if debug {
l.Debugf("pull: delete %q", f.Name)
}
os.Remove(of.temp)
// Ensure the file and the directory it is in is writeable so we can remove the file
dirName := filepath.Dir(of.filepath)
os.Chmod(of.filepath, 0666)
if dirName != p.repoCfg.Directory {
os.Chmod(dirName, 0777)
}
if p.versioner != nil {
if debug {
l.Debugln("pull: deleting with versioner")
}
if err := p.versioner.Archive(p.repoCfg.Directory, of.filepath); err == nil {
p.model.updateLocal(p.repoCfg.ID, f)
} else if debug {
l.Debugln("pull: error:", err)
}
} else if err := os.Remove(of.filepath); err == nil || os.IsNotExist(err) {
p.model.updateLocal(p.repoCfg.ID, f)
}
} else {
if debug {
l.Debugf("pull: no blocks to fetch and nothing to copy for %q / %q", p.repoCfg.ID, f.Name)
}
t := time.Unix(f.Modified, 0)
if os.Chtimes(of.temp, t, t) != nil {
delete(p.openFiles, f.Name)
return
}
if !p.repoCfg.IgnorePerms && protocol.HasPermissionBits(f.Flags) && os.Chmod(of.temp, os.FileMode(f.Flags&0777)) != nil {
delete(p.openFiles, f.Name)
return
}
osutil.ShowFile(of.temp)
if osutil.Rename(of.temp, of.filepath) == nil {
p.model.updateLocal(p.repoCfg.ID, f)
}
}
delete(p.openFiles, f.Name)
}
// Rename versions with old version format
func (v Staggered) renameOld() {
err := filepath.Walk(v.versionsPath, func(path string, f os.FileInfo, err error) error {
if f.Mode().IsRegular() {
versionUnix, err := strconv.ParseInt(strings.Replace(filepath.Ext(path), ".v", "", 1), 10, 0)
if err == nil {
l.Infoln("Renaming file", path, "from old to new version format")
versiondate := time.Unix(versionUnix, 0)
name := path[:len(path)-len(filepath.Ext(path))]
err = osutil.Rename(path, name+"~"+versiondate.Format(TimeLayout))
if err != nil {
l.Infoln("Error renaming to new format", err)
}
}
}
return nil
})
if err != nil {
l.Infoln("Versioner: error scanning versions dir", err)
return
}
}
func saveCsrfTokens() {
name := filepath.Join(confDir, "csrftokens.txt")
tmp := fmt.Sprintf("%s.tmp.%d", name, time.Now().UnixNano())
f, err := os.OpenFile(tmp, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
if err != nil {
return
}
defer os.Remove(tmp)
for _, t := range csrfTokens {
_, err := fmt.Fprintln(f, t)
if err != nil {
return
}
}
err = f.Close()
if err != nil {
return
}
osutil.Rename(tmp, name)
}
func (p *puller) closeFile(f protocol.FileInfo) {
if debug {
l.Debugf("pull: closing %q / %q", p.repoCfg.ID, f.Name)
}
of := p.openFiles[f.Name]
err := of.file.Close()
if err != nil {
p.errors++
l.Infof("close: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
}
defer os.Remove(of.temp)
delete(p.openFiles, f.Name)
fd, err := os.Open(of.temp)
if err != nil {
p.errors++
l.Infof("open: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
return
}
hb, _ := scanner.Blocks(fd, scanner.StandardBlockSize, f.Size())
fd.Close()
if l0, l1 := len(hb), len(f.Blocks); l0 != l1 {
if debug {
l.Debugf("pull: %q / %q: nblocks %d != %d", p.repoCfg.ID, f.Name, l0, l1)
}
return
}
for i := range hb {
if bytes.Compare(hb[i].Hash, f.Blocks[i].Hash) != 0 {
if debug {
l.Debugf("pull: %q / %q: block %d hash mismatch\n have: %x\n want: %x", p.repoCfg.ID, f.Name, i, hb[i].Hash, f.Blocks[i].Hash)
}
return
}
}
t := time.Unix(f.Modified, 0)
err = os.Chtimes(of.temp, t, t)
if err != nil {
l.Infof("chtimes: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
}
if !p.repoCfg.IgnorePerms && protocol.HasPermissionBits(f.Flags) {
err = os.Chmod(of.temp, os.FileMode(f.Flags&0777))
if err != nil {
l.Infof("chmod: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
}
}
osutil.ShowFile(of.temp)
if p.versioner != nil {
err := p.versioner.Archive(of.filepath)
if err != nil {
if debug {
l.Debugf("pull: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
}
return
}
}
if debug {
l.Debugf("pull: rename %q / %q: %q", p.repoCfg.ID, f.Name, of.filepath)
}
if err := osutil.Rename(of.temp, of.filepath); err == nil {
p.model.updateLocal(p.repoCfg.ID, f)
} else {
p.errors++
l.Infof("rename: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
}
}
// Move away the named file to a version archive. If this function returns
// nil, the named file does not exist any more (has been archived).
func (v Simple) Archive(repoPath, filePath string) error {
_, err := os.Stat(filePath)
if err != nil && os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
}
versionsDir := filepath.Join(repoPath, ".stversions")
_, err = os.Stat(versionsDir)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("creating versions dir", versionsDir)
}
os.MkdirAll(versionsDir, 0755)
osutil.HideFile(versionsDir)
} else {
return err
}
}
if debug {
l.Debugln("archiving", filePath)
}
file := filepath.Base(filePath)
inRepoPath, err := filepath.Rel(repoPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(versionsDir, inRepoPath)
err = os.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := file + "~" + time.Now().Format("20060102-150405")
dst := filepath.Join(dir, ver)
if debug {
l.Debugln("moving to", dst)
}
err = osutil.Rename(filePath, dst)
if err != nil {
return err
}
versions, err := filepath.Glob(filepath.Join(dir, file+"~*"))
if err != nil {
l.Warnln(err)
return nil
}
if len(versions) > v.keep {
sort.Strings(versions)
for _, toRemove := range versions[:len(versions)-v.keep] {
if debug {
l.Debugln("cleaning out", toRemove)
}
err = os.Remove(toRemove)
if err != nil {
l.Warnln(err)
}
}
}
return nil
}
// Move away the named file to a version archive. If this function returns
// nil, the named file does not exist any more (has been archived).
func (v Staggered) Archive(filePath string) error {
if debug {
l.Debugln("Waiting for lock on ", v.versionsPath)
}
v.mutex.Lock()
defer v.mutex.Unlock()
_, err := os.Stat(filePath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
} else {
return err
}
}
_, err = os.Stat(v.versionsPath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("creating versions dir", v.versionsPath)
}
os.MkdirAll(v.versionsPath, 0755)
osutil.HideFile(v.versionsPath)
} else {
return err
}
}
if debug {
l.Debugln("archiving", filePath)
}
file := filepath.Base(filePath)
inRepoPath, err := filepath.Rel(v.repoPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(v.versionsPath, inRepoPath)
err = os.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := file + ".v" + fmt.Sprintf("%010d", time.Now().Unix())
dst := filepath.Join(dir, ver)
if debug {
l.Debugln("moving to", dst)
}
err = osutil.Rename(filePath, dst)
if err != nil {
return err
}
versions, err := filepath.Glob(filepath.Join(dir, file+".v[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]"))
if err != nil {
l.Warnln("Versioner: error finding versions for", file, err)
return nil
}
sort.Strings(versions)
v.expire(versions)
return nil
}
// Move away the named file to a version archive. If this function returns
// nil, the named file does not exist any more (has been archived).
func (v Staggered) Archive(filePath string) error {
if debug {
l.Debugln(logPrefix, "Waiting for lock on ", v.versionsPath)
}
v.mutex.Lock()
defer v.mutex.Unlock()
fileInfo, err := os.Stat(filePath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln(logPrefix, "not archiving nonexistent file", filePath)
}
return nil
} else {
return err
}
}
_, err = os.Stat(v.versionsPath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln(logPrefix, "creating versions dir", v.versionsPath)
}
os.MkdirAll(v.versionsPath, 0755)
osutil.HideFile(v.versionsPath)
} else {
return err
}
}
if debug {
l.Debugln(logPrefix, "archiving", filePath)
}
file := filepath.Base(filePath)
inRepoPath, err := filepath.Rel(v.repoPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(v.versionsPath, inRepoPath)
err = os.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := file + "~" + fileInfo.ModTime().Format(TimeLayout)
dst := filepath.Join(dir, ver)
if debug {
l.Debugln(logPrefix, "moving to", dst)
}
err = osutil.Rename(filePath, dst)
if err != nil {
return err
}
versions, err := filepath.Glob(filepath.Join(dir, file+"~[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]-[0-9][0-9][0-9][0-9][0-9][0-9]"))
if err != nil {
l.Warnln(logPrefix, "Versioner: error finding versions for", file, err)
return nil
}
sort.Strings(versions)
v.expire(versions)
return nil
}
