X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=ood.go;h=fdb0d846b219534549ac2ac31842bbef0a56fb6c;hb=d8abe40c66df8d79a025524c0d230959cacf9465;hp=9dfed348a1637c88b76419b80dda1a552a9c4546;hpb=67419ca36c09dc3489f9089399b37803fa94ae2a;p=goredo.git diff --git a/ood.go b/ood.go index 9dfed34..fdb0d84 100644 --- a/ood.go +++ b/ood.go @@ -48,14 +48,14 @@ var ( FdOODTgtsLock *os.File ) -type TgtErr struct { +type TgtError struct { Tgt string Err error } -func (e TgtErr) Unwrap() error { return e.Err } +func (e TgtError) Unwrap() error { return e.Err } -func (e TgtErr) Error() string { +func (e TgtError) Error() string { return fmt.Sprintf("%s: %s", e.Tgt, e.Err) } @@ -90,35 +90,50 @@ func isSrc(cwd, tgt string) bool { return true } +func isOODByBuildUUID(cwd, tgtOrig string) bool { + cwd, tgt := cwdAndTgt(path.Join(cwd, tgtOrig)) + depPath := path.Join(cwd, RedoDir, tgt+DepSuffix) + fdDep, err := os.Open(depPath) + if err != nil { + return true + } + depInfo, err := depRead(fdDep) + fdDep.Close() + if err != nil || depInfo.build != BuildUUID { + return true + } + return false +} + func isOOD(cwd, tgtOrig string, level int, seen map[string]struct{}) (bool, error) { indent := strings.Repeat(". ", level) - trace(CDebug, "ood: %s%s checking", indent, tgtOrig) + tracef(CDebug, "ood: %s%s checking", indent, tgtOrig) cwd, tgt := cwdAndTgt(path.Join(cwd, tgtOrig)) depPath := path.Join(cwd, RedoDir, tgt+DepSuffix) fdDep, err := os.Open(depPath) if err != nil { - trace(CDebug, "ood: %s%s -> no dep: %s", indent, tgtOrig, depPath) + tracef(CDebug, "ood: %s%s -> no dep: %s", indent, tgtOrig, depPath) return true, nil } depInfo, err := depRead(fdDep) fdDep.Close() if err != nil { - return true, TgtErr{tgtOrig, err} + return true, TgtError{tgtOrig, err} } if depInfo.build == BuildUUID { - trace(CDebug, "ood: %s%s -> already built", indent, tgtOrig) + tracef(CDebug, "ood: %s%s -> already built", indent, tgtOrig) return false, nil } if _, err := os.Stat(path.Join(cwd, tgt)); err != nil && os.IsNotExist(err) { - trace(CDebug, "ood: %s%s -> non-existent", indent, tgtOrig) + tracef(CDebug, "ood: %s%s -> non-existent", indent, tgtOrig) return true, nil } ood := false for _, dep := range depInfo.ifcreates { if _, err := os.Stat(path.Join(cwd, dep)); err == nil { - trace(CDebug, "ood: %s%s -> %s created", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s created", indent, tgtOrig, dep) ood = true goto Done } @@ -127,80 +142,80 @@ func isOOD(cwd, tgtOrig string, level int, seen map[string]struct{}) (bool, erro for _, m := range depInfo.ifchanges { dep := m["Target"] if dep == "" { - return ood, TgtErr{tgtOrig, errors.New("invalid format of .rec: missing Target")} + return ood, TgtError{tgtOrig, errors.New("invalid format of .rec: missing Target")} } theirInode, err := inodeFromRec(m) if err != nil { - return ood, TgtErr{tgtOrig, fmt.Errorf("invalid format of .rec: %w", err)} + return ood, TgtError{tgtOrig, fmt.Errorf("invalid format of .rec: %w", err)} } theirHsh := m["Hash"] - trace(CDebug, "ood: %s%s -> %s: checking", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: checking", indent, tgtOrig, dep) fd, err := os.Open(path.Join(cwd, dep)) if err != nil { if os.IsNotExist(err) { - trace(CDebug, "ood: %s%s -> %s: not exists", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: not exists", indent, tgtOrig, dep) ood = true goto Done } - return ood, TgtErr{tgtOrig, err} + return ood, TgtError{tgtOrig, err} } defer fd.Close() inode, err := inodeFromFile(fd) if err != nil { - return ood, TgtErr{tgtOrig, err} + return ood, TgtError{tgtOrig, err} } if inode.Size != theirInode.Size { - trace(CDebug, "ood: %s%s -> %s: size differs", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: size differs", indent, tgtOrig, dep) ood = true goto Done } if InodeTrust && inode.Equals(theirInode) { - trace(CDebug, "ood: %s%s -> %s: same inode", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: same inode", indent, tgtOrig, dep) } else { - trace(CDebug, "ood: %s%s -> %s: inode differs", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: inode differs", indent, tgtOrig, dep) hsh, err := fileHash(fd) if err != nil { - return ood, TgtErr{tgtOrig, err} + return ood, TgtError{tgtOrig, err} } if theirHsh != hsh { - trace(CDebug, "ood: %s%s -> %s: hash differs", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: hash differs", indent, tgtOrig, dep) ood = true goto Done } - trace(CDebug, "ood: %s%s -> %s: same hash", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: same hash", indent, tgtOrig, dep) } fd.Close() // optimization not to hold it for long if dep == tgt { - trace(CDebug, "ood: %s%s -> %s: same target", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: same target", indent, tgtOrig, dep) continue } if isSrc(cwd, dep) { - trace(CDebug, "ood: %s%s -> %s: is source", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: is source", indent, tgtOrig, dep) continue } if _, ok := seen[cwdMustRel(cwd, dep)]; ok { - trace(CDebug, "ood: %s%s -> %s: was always built", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: was always built", indent, tgtOrig, dep) continue } depOod, err := isOODWithTrace(cwd, dep, level+1, seen) if err != nil { - return ood, TgtErr{tgtOrig, err} + return ood, TgtError{tgtOrig, err} } if depOod { - trace(CDebug, "ood: %s%s -> %s: ood", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: ood", indent, tgtOrig, dep) ood = true goto Done } - trace(CDebug, "ood: %s%s -> %s: !ood", indent, tgtOrig, dep) + tracef(CDebug, "ood: %s%s -> %s: !ood", indent, tgtOrig, dep) } Done: - trace(CDebug, "ood: %s%s: %v", indent, tgtOrig, ood) + tracef(CDebug, "ood: %s%s: %v", indent, tgtOrig, ood) return ood, nil } @@ -215,7 +230,15 @@ func isOODWithTrace( } _, ood := OODTgts[p] if ood { - trace( + if !isOODByBuildUUID(cwd, tgtOrig) { + tracef( + CDebug, + "ood: %s%s -> already built", + strings.Repeat(". ", level), tgtOrig, + ) + return false, nil + } + tracef( CDebug, "ood: %s%s true, external decision", strings.Repeat(". ", level), tgtOrig, @@ -236,16 +259,21 @@ RecordOODTgt: if _, err := FdOODTgts.WriteString(p + "\x00"); err != nil { log.Fatalln(err) } - unix.Flock(int(FdOODTgtsLock.Fd()), unix.LOCK_UN) + if err = unix.Flock(int(FdOODTgtsLock.Fd()), unix.LOCK_UN); err != nil { + log.Fatalln(err) + } return true, nil } func oodTgtsClear() { - if err := unix.Flock(int(FdOODTgtsLock.Fd()), unix.LOCK_EX); err != nil { + var err error + if err = unix.Flock(int(FdOODTgtsLock.Fd()), unix.LOCK_EX); err != nil { + log.Fatalln(err) + } + if err = FdOODTgts.Truncate(0); err != nil { log.Fatalln(err) } - if err := FdOODTgts.Truncate(0); err != nil { + if err = unix.Flock(int(FdOODTgtsLock.Fd()), unix.LOCK_UN); err != nil { log.Fatalln(err) } - unix.Flock(int(FdOODTgtsLock.Fd()), unix.LOCK_UN) }