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 mainCheck(args []string) int {
f := flag.NewFlagSet("status", flag.ExitOnError)
opt_all := f.Bool("a", false, "Check all files, including modified")
f.Usage = func() {
fmt.Print(checkUsage)
f.PrintDefaults()
}
f.Parse(args)
dir := f.Arg(0)
if dir == "" {
dir = "."
}
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
// Skip .dirstore/ at root
if filepath.Base(path) == attrs.DirStoreName && filepath.Dir(path) == dir && info.IsDir() {
return filepath.SkipDir
} else if info.IsDir() {
return nil
}
hashTimeStr, err := attrs.Get(path, repo.XattrHashTime)
if err != nil {
return nil
}
hashTime, err := time.Parse(time.RFC3339Nano, string(hashTimeStr))
if err != nil {
return err
}
timeEqual := hashTime == info.ModTime()
if *opt_all || timeEqual {
hash, err := attrs.Get(path, repo.XattrHash)
if err != nil {
return err
}
digest, err := repo.HashFile(path, info)
if err != nil {
return err
}
hashEqual := bytes.Equal(hash, digest)
if !timeEqual && !hashEqual {
fmt.Printf("+\t%s\t%s\n", base58.Encode(digest), path)
} else if !hashEqual {
fmt.Printf("!\t%s\t%s\n", base58.Encode(digest), path)
} else if !timeEqual {
fmt.Printf("=\t%s\t%s", base58.Encode(digest), path)
}
}
return nil
})
if err != nil {
fmt.Fprintf(os.Stderr, "%v", err)
return 1
}
return 0
}
func mainInfo(args []string) int {
f := flag.NewFlagSet("info", flag.ExitOnError)
opt_check := f.Bool("c", false, "Run integrity check")
f.Usage = func() {
fmt.Print(infoUsage)
f.PrintDefaults()
}
f.Parse(args)
dir := f.Arg(0)
if dir == "" {
dir = "."
}
rep := repo.GetRepo(dir)
status := 0
first := true
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 .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 first {
first = false
} else {
fmt.Println()
}
fmt.Printf("File: %s\n", path)
if conflict := repo.ConflictFile(path); conflict != "" {
fmt.Printf("Conflict With: %s\n", conflict)
}
for _, alt := range repo.ConflictFileAlternatives(path) {
fmt.Printf("Conflict Alternatives: %s\n", alt)
}
var realHash mh.Multihash
if *opt_check {
realHash, err = repo.HashFile(path, info)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
return nil
}
}
hashTime, err := repo.GetHashTime(path)
if repo.IsNoData(err) {
if *opt_check {
fmt.Printf("Actual Hash: %s\n", base58.Encode(realHash))
}
fmt.Printf("Status: New\n")
} else {
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err.Error())
return nil
}
fmt.Printf("Hash Time: %v\n", hashTime.Format(time.RFC3339Nano))
hash, err := attrs.Get(path, repo.XattrHash)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
return nil
}
var par2exists = false
if rep != nil {
par2exists, _ = rep.Par2Exists(hash)
}
fmt.Printf("Recorded Hash: %s (reduncency %s)\n", base58.Encode(hash), boolToAvailableStr(par2exists))
if *opt_check {
par2exists = false
if rep != nil {
par2exists, _ = rep.Par2Exists(realHash)
}
fmt.Printf("Actual Hash: %s (redundency %s)\n", base58.Encode(realHash), boolToAvailableStr(par2exists))
}
if hashTime != info.ModTime() {
fmt.Printf("Status: Dirty\n")
} else {
if *opt_check && !bytes.Equal(realHash, hash) {
fmt.Printf("Status: Corrupted\n")
} else {
fmt.Printf("Status: Clean\n")
}
}
}
return nil
})
if err != nil {
fmt.Fprintf(os.Stderr, "%v", err)
os.Exit(1)
}
return status
}