// Archive moves the named file away to a version archive. If this function
// returns nil, the named file does not exist any more (has been archived).
func (t *Trashcan) Archive(filePath string) error {
_, err := osutil.Lstat(filePath)
if os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
} else if err != nil {
return err
}
versionsDir := filepath.Join(t.folderPath, ".stversions")
if _, err := os.Stat(versionsDir); err != nil {
if !os.IsNotExist(err) {
return err
}
if debug {
l.Debugln("creating versions dir", versionsDir)
}
if err := osutil.MkdirAll(versionsDir, 0777); err != nil {
return err
}
osutil.HideFile(versionsDir)
}
if debug {
l.Debugln("archiving", filePath)
}
relativePath, err := filepath.Rel(t.folderPath, filePath)
if err != nil {
return err
}
archivedPath := filepath.Join(versionsDir, relativePath)
if err := osutil.MkdirAll(filepath.Dir(archivedPath), 0777); err != nil && !os.IsExist(err) {
return err
}
if debug {
l.Debugln("moving to", archivedPath)
}
if err := osutil.Rename(filePath, archivedPath); err != nil {
return err
}
// Set the mtime to the time the file was deleted. This is used by the
// cleanout routine. If this fails things won't work optimally but there's
// not much we can do about it so we ignore the error.
os.Chtimes(archivedPath, time.Now(), time.Now())
return nil
}
func (f *FolderConfiguration) CreateMarker() error {
if !f.HasMarker() {
marker := filepath.Join(f.Path(), ".stfolder")
fd, err := os.Create(marker)
if err != nil {
return err
}
fd.Close()
osutil.HideFile(marker)
}
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// nil, the named file does not exist any more (has been archived).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()
fileInfo, 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)
inFolderPath, err := filepath.Rel(v.folderPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(v.versionsPath, inFolderPath)
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("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("Versioner: error finding versions for", file, err)
return nil
}
sort.Strings(versions)
v.expire(versions)
return nil
}
func (v Staggered) clean() {
if debug {
l.Debugln("Versioner clean: Waiting for lock on", v.versionsPath)
}
v.mutex.Lock()
defer v.mutex.Unlock()
if debug {
l.Debugln("Versioner clean: Cleaning", v.versionsPath)
}
_, 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 {
l.Warnln("Versioner: can't create versions dir", err)
}
}
versionsPerFile := make(map[string][]string)
filesPerDir := make(map[string]int)
err = filepath.Walk(v.versionsPath, func(path string, f os.FileInfo, err error) error {
if err != nil {
return err
}
switch mode := f.Mode(); {
case mode.IsDir():
filesPerDir[path] = 0
if path != v.versionsPath {
dir := filepath.Dir(path)
filesPerDir[dir]++
}
case mode.IsRegular():
extension := versionExt(path)
dir := filepath.Dir(path)
name := path[:len(path)-len(extension)-1]
filesPerDir[dir]++
versionsPerFile[name] = append(versionsPerFile[name], path)
}
return nil
})
if err != nil {
l.Warnln("Versioner: error scanning versions dir", err)
return
}
for _, versionList := range versionsPerFile {
// List from filepath.Walk is sorted
v.expire(versionList)
}
for path, numFiles := range filesPerDir {
if numFiles > 0 {
continue
}
if path == v.versionsPath {
if debug {
l.Debugln("Cleaner: versions dir is empty, don't delete", path)
}
continue
}
if debug {
l.Debugln("Cleaner: deleting empty directory", path)
}
err = os.Remove(path)
if err != nil {
l.Warnln("Versioner: can't remove directory", path, err)
}
}
if debug {
l.Debugln("Cleaner: Finished cleaning", v.versionsPath)
}
}
// Archive moves the named file away to a version archive. If this function
// returns nil, the named file does not exist any more (has been archived).
func (v Simple) Archive(filePath string) error {
fileInfo, err := osutil.Lstat(filePath)
if os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
} else if err != nil {
return err
}
versionsDir := filepath.Join(v.folderPath, ".stversions")
_, err = os.Stat(versionsDir)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("creating versions dir", versionsDir)
}
osutil.MkdirAll(versionsDir, 0755)
osutil.HideFile(versionsDir)
} else {
return err
}
}
if debug {
l.Debugln("archiving", filePath)
}
file := filepath.Base(filePath)
inFolderPath, err := filepath.Rel(v.folderPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(versionsDir, inFolderPath)
err = osutil.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := taggedFilename(file, fileInfo.ModTime().Format(TimeFormat))
dst := filepath.Join(dir, ver)
if debug {
l.Debugln("moving to", dst)
}
err = osutil.Rename(filePath, dst)
if err != nil {
return err
}
// Glob according to the new file~timestamp.ext pattern.
newVersions, err := osutil.Glob(filepath.Join(dir, taggedFilename(file, TimeGlob)))
if err != nil {
l.Warnln("globbing:", err)
return nil
}
// Also according to the old file.ext~timestamp pattern.
oldVersions, err := osutil.Glob(filepath.Join(dir, file+"~"+TimeGlob))
if err != nil {
l.Warnln("globbing:", err)
return nil
}
// Use all the found filenames. "~" sorts after "." so all old pattern
// files will be deleted before any new, which is as it should be.
versions := uniqueSortedStrings(append(oldVersions, newVersions...))
if len(versions) > v.keep {
for _, toRemove := range versions[:len(versions)-v.keep] {
if debug {
l.Debugln("cleaning out", toRemove)
}
err = os.Remove(toRemove)
if err != nil {
l.Warnln("removing old version:", 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 Simple) Archive(filePath string) error {
fileInfo, 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
}
}
versionsDir := filepath.Join(v.folderPath, ".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)
inFolderPath, err := filepath.Rel(v.folderPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(versionsDir, inFolderPath)
err = os.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := file + "~" + fileInfo.ModTime().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+"~[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("globbing:", 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("removing old version:", err)
}
}
}
return nil
}
// Archive moves the named file away 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 := osutil.Lstat(filePath)
if os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
} else if err != nil {
return err
}
if _, err := os.Stat(v.versionsPath); err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("creating versions dir", v.versionsPath)
}
osutil.MkdirAll(v.versionsPath, 0755)
osutil.HideFile(v.versionsPath)
} else {
return err
}
}
if debug {
l.Debugln("archiving", filePath)
}
file := filepath.Base(filePath)
inFolderPath, err := filepath.Rel(v.folderPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(v.versionsPath, inFolderPath)
err = osutil.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := taggedFilename(file, time.Now().Format(TimeFormat))
dst := filepath.Join(dir, ver)
if debug {
l.Debugln("moving to", dst)
}
err = osutil.Rename(filePath, dst)
if err != nil {
return err
}
// Glob according to the new file~timestamp.ext pattern.
newVersions, err := osutil.Glob(filepath.Join(dir, taggedFilename(file, TimeGlob)))
if err != nil {
l.Warnln("globbing:", err)
return nil
}
// Also according to the old file.ext~timestamp pattern.
oldVersions, err := osutil.Glob(filepath.Join(dir, file+"~"+TimeGlob))
if err != nil {
l.Warnln("globbing:", err)
return nil
}
// Use all the found filenames.
versions := append(oldVersions, newVersions...)
v.expire(uniqueSortedStrings(versions))
return nil
}