func (p *FilePreparator) prepareCopy(src, dst string) bool {
var err error
if p.Logger != nil {
p.Logger(p, src, dst, false, false)
}
p.NumFiles += 1
srci, srcerr := os.Lstat(src)
dsti, dsterr := os.Lstat(dst)
//
// File in source but not in destination
//
if os.IsNotExist(dsterr) && srcerr == nil {
if srci.IsDir() {
if p.DocIgnore && ignore.IsIgnored(src) {
if p.Verbose {
fmt.Printf("Ignoring %s\n", src)
}
return true
}
res := p.HandleAction(*NewCreateDir(src, dst, srci))
if !res {
return false
}
f, err := os.Open(src)
if err != nil {
return p.HandleError(err)
}
defer f.Close()
names, err := f.Readdirnames(-1)
if err != nil {
return p.HandleError(err)
}
for _, name := range names {
if !p.prepareCopy(filepath.Join(src, name), filepath.Join(dst, name)) {
return false
}
}
return true
} else {
var srchash []byte
if !srci.IsDir() {
srchash, err = repo.GetHash(src, srci, p.Dedup != nil)
if err != nil {
return p.HandleError(err)
}
}
res := p.HandleAction(*NewCopyFile(src, dst, srchash, srci))
p.TotalBytes += uint64(size(srci))
return res
}
}
//
// [Bidir] File in destination but not in source: reverse copy
//
if p.Bidir && os.IsNotExist(srcerr) && dsterr == nil {
// FIXME: this could probably be simplified into
// return p.prepareCopy(dst, src)
if dsti.IsDir() {
if p.DocIgnore && ignore.IsIgnored(dst) {
if p.Verbose {
fmt.Printf("Ignoring %s\n", dst)
}
return true
}
res := p.HandleAction(*NewCreateDir(dst, src, dsti))
if !res {
return false
}
f, err := os.Open(dst)
if err != nil {
return p.HandleError(err)
}
defer f.Close()
names, err := f.Readdirnames(-1)
if err != nil {
return p.HandleError(err)
}
for _, name := range names {
if !p.prepareCopy(filepath.Join(src, name), filepath.Join(dst, name)) {
return false
}
}
return true
} else {
var dsthash []byte
if !dsti.IsDir() {
dsthash, err = repo.GetHash(dst, dsti, p.Dedup != nil)
if err != nil {
return p.HandleError(err)
}
}
res := p.HandleAction(*NewCopyAction(dst, src, dsthash, size(dsti), "", false, dsti.Mode(), 0))
p.TotalBytes += uint64(size(dsti))
return res
}
}
//
// [Dedup] File in destination but not in source: register in dedup
//
if p.Dedup != nil && os.IsNotExist(srcerr) && dsterr == nil {
hash, err := repo.GetHash(dst, dsti, p.CheckHash)
if err != nil {
if !p.HandleError(err) {
return false
}
} else if hash != nil {
p.Dedup[string(hash)] = append(p.Dedup[string(hash)], dst)
}
}
//
// Handle stat() errors
//
if srcerr != nil {
return p.HandleError(srcerr)
}
if dsterr != nil {
return p.HandleError(dsterr)
}
//
// Both source and destination are directories, merge
//
if srci.IsDir() && dsti.IsDir() {
if p.DocIgnore && (ignore.IsIgnored(src) || ignore.IsIgnored(dst)) {
if p.Verbose {
fmt.Printf("Ignoring %s (source and destination)\n", src)
}
return true
}
var srcnames map[string]bool
if p.Bidir {
srcnames = map[string]bool{}
}
f, err := os.Open(src)
if err != nil {
return p.HandleError(err)
}
defer f.Close()
names, err := f.Readdirnames(-1)
if err != nil {
return p.HandleError(err)
}
for _, name := range names {
if p.Bidir {
srcnames[name] = true
}
if !p.prepareCopy(filepath.Join(src, name), filepath.Join(dst, name)) {
return false
}
}
if p.Bidir {
f, err := os.Open(dst)
if err != nil {
return p.HandleError(err)
}
defer f.Close()
dstnames, err := f.Readdirnames(-1)
if err != nil {
return p.HandleError(err)
}
for _, name := range dstnames {
if srcnames[name] {
continue
}
if !p.prepareCopy(filepath.Join(src, name), filepath.Join(dst, name)) {
return false
}
}
}
return true
}
//
// Source and destination are regular files
// If hash is different, there is a conflict
//
var srch, dsth []byte
if !srci.IsDir() {
srch, err = repo.GetHash(src, srci, false)
computed := false
if err == nil && srch == nil {
if p.Logger != nil {
p.Logger(p, src, dst, true, false)
}
srch, err = repo.HashFile(src, srci)
computed = true
}
if err == nil && computed && p.Commit {
_, err = repo.CommitFileHash(src, srci, srch, false)
}
if err != nil {
return p.HandleError(err)
}
}
if !dsti.IsDir() {
dsth, err = repo.GetHash(dst, dsti, false)
computed := false
if err == nil && dsth == nil {
if p.Logger != nil {
p.Logger(p, src, dst, false, true)
}
dsth, err = repo.HashFile(dst, dsti)
computed = true
}
if err == nil && computed && p.Commit {
_, err = repo.CommitFileHash(dst, dsti, dsth, false)
}
if err != nil {
return p.HandleError(err)
}
}
if bytes.Equal(srch, dsth) && srci.Mode()&os.ModeSymlink == dsti.Mode()&os.ModeSymlink {
return true
}
if repo.ConflictFile(src) == "" {
dstname := repo.FindConflictFileName(dst, srch)
if dstname != "" {
p.TotalBytes += uint64(size(srci))
if !p.HandleAction(*NewCopyAction(src, dstname, srch, size(srci), dst, true, srci.Mode(), dsti.Mode())) {
return false
}
}
}
if p.Bidir && repo.ConflictFile(dst) == "" {
srcname := repo.FindConflictFileName(src, dsth)
if srcname != "" {
p.TotalBytes += uint64(size(dsti))
if !p.HandleAction(*NewCopyAction(dst, srcname, dsth, size(dsti), src, true, dsti.Mode(), srci.Mode())) {
return false
}
}
}
return true
}
func mainStatus(args []string) int {
f := flag.NewFlagSet("status", flag.ExitOnError)
opt_no_par2 := f.Bool("n", false, "Do not show files missing PAR2 redundency data")
opt_show_only_hash := f.Bool("c", false, "Show only unchanged committed files with their hash")
opt_no_docignore := f.Bool("no-docignore", false, "Don't treat .docignore files specially")
f.Usage = func() {
fmt.Print(usageStatus)
f.PrintDefaults()
}
f.Parse(args)
dir := f.Arg(0)
if dir == "" {
dir = "."
}
rep := repo.GetRepo(dir)
status := 0
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
status = 1
return err
}
// Skip directories containing an empty .docignore file
if !*opt_no_docignore && ignore.IsIgnored(path) {
return filepath.SkipDir
}
// Skip .dirstore/ at root
if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
return filepath.SkipDir
} else if !info.Mode().IsRegular() {
return nil
}
if *opt_show_only_hash {
hash, err := repo.GetHash(path, info, false)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
return nil
}
if hash != nil {
fmt.Printf("%s\t%s\n", base58.Encode(hash), path)
}
} else {
var conflict string = ""
if repo.ConflictFile(path) != "" {
conflict = " c"
} else if len(repo.ConflictFileAlternatives(path)) > 0 {
conflict = " C"
}
hashTime, err := repo.GetHashTime(path)
if repo.IsNoData(err) {
if info.Mode()&os.FileMode(0200) == 0 {
fmt.Printf("?%s (ro)\t%s\n", conflict, path)
} else {
fmt.Printf("?%s\t%s\n", conflict, path)
}
return nil
} else if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
return nil
}
var redundency string = "*"
if rep != nil {
digest, err := repo.GetHash(path, info, true)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
return nil
}
if par2exists, _ := rep.Par2Exists(digest); par2exists {
redundency = ""
}
}
if hashTime != info.ModTime() {
fmt.Printf("+%s%s\t%s\n", conflict, redundency, path)
} else if conflict != "" || (redundency != "" && !*opt_no_par2) {
fmt.Printf("%s%s\t%s\n", conflict, redundency, path)
}
}
return nil
})
if err != nil {
fmt.Fprintf(os.Stderr, "%v", err)
os.Exit(1)
}
return status
}
func mainSave(args []string) int {
f := flag.NewFlagSet("save", flag.ExitOnError)
opt_force := f.Bool("force", false, "Force writing xattrs on read only files")
opt_nodocignore := f.Bool("no-docignore", false, "Don't respect .docignore")
f.Usage = func() {
fmt.Print(saveUsage)
f.PrintDefaults()
}
f.Parse(args)
dir := f.Arg(0)
if dir == "" {
dir = "."
}
dirstore := repo.GetRepo(dir)
if dirstore == nil {
fmt.Fprintf(os.Stderr, "%s: Could not find repository, please run doc init\n", dir)
os.Exit(1)
}
status := 0
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
status = 1
return err
}
if !*opt_nodocignore && ignore.IsIgnored(path) {
return filepath.SkipDir
}
// Skip .dirstore/ at root
if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
return filepath.SkipDir
} else if info.IsDir() || !info.Mode().IsRegular() {
return nil
}
hashTime, err := repo.GetHashTime(path)
if err != nil && !repo.IsNoData(err) {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
return nil
}
var digest []byte
if err != nil || hashTime != info.ModTime() {
digest, err = commitFile(path, info, *opt_force)
if err != nil {
status = 1
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
} else if digest != nil {
fmt.Printf("%s %s\n", base58.Encode(digest), path)
}
} else {
digest, err = attrs.Get(path, repo.XattrHash)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
return nil
}
}
err = dirstore.Create(path, digest)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
return nil
}
return nil
})
if err != nil {
fmt.Fprintf(os.Stderr, "%v", err)
os.Exit(1)
}
return status
}