func main() {
spec.RegisterDatabaseFlags()
cpuCount := runtime.NumCPU()
runtime.GOMAXPROCS(cpuCount)
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "Usage: csv-export [options] dataset > filename")
flag.PrintDefaults()
}
flag.Parse()
if flag.NArg() != 1 {
util.CheckError(errors.New("expected dataset arg"))
}
ds, err := spec.GetDataset(flag.Arg(0))
util.CheckError(err)
defer ds.Database().Close()
comma, err := csv.StringToRune(*delimiter)
util.CheckError(err)
err = d.Try(func() {
defer profile.MaybeStartProfile().Stop()
nomsList, structDesc := csv.ValueToListAndElemDesc(ds.HeadValue(), ds.Database())
csv.Write(nomsList, structDesc, comma, os.Stdout)
})
if err != nil {
fmt.Println("Failed to export dataset as CSV:")
fmt.Println(err)
}
}
func main() {
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "Shows a serialization of a Noms object\n")
fmt.Fprintln(os.Stderr, "Usage: noms show <object>\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nSee \"Spelling Objects\" at https://github.com/attic-labs/noms/blob/master/doc/spelling.md for details on the object argument.\n\n")
}
flag.Parse()
if *showHelp {
flag.Usage()
return
}
if len(flag.Args()) != 1 {
util.CheckError(errors.New("expected exactly one argument"))
}
database, value, err := spec.GetPath(flag.Arg(0))
util.CheckError(err)
waitChan := outputpager.PageOutput(!*outputpager.NoPager)
types.WriteEncodedValueWithTags(os.Stdout, value)
fmt.Fprintf(os.Stdout, "\n")
database.Close()
if waitChan != nil {
os.Stdout.Close()
<-waitChan
}
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: %s [options] <dataset>\n", os.Args[0])
flag.PrintDefaults()
}
spec.RegisterDatabaseFlags()
flag.Parse()
if flag.NArg() != 1 {
util.CheckError(errors.New("expected dataset arg"))
}
ds, err := spec.GetDataset(flag.Arg(0))
util.CheckError(err)
defer ds.Database().Close()
newVal := uint64(1)
if lastVal, ok := ds.MaybeHeadValue(); ok {
newVal = uint64(lastVal.(types.Number)) + 1
}
_, err = ds.Commit(types.Number(newVal))
d.Exp.NoError(err)
fmt.Println(newVal)
}
func main() {
color = flag.Int("color", -1, "value of 1 forces color on, 2 forces color off")
maxLines = flag.Int("max-lines", 10, "max number of lines to show per commit (-1 for all lines)")
maxCommits = flag.Int("n", 0, "max number of commits to display (0 for all commits)")
showHelp = flag.Bool("help", false, "show help text")
showGraph = flag.Bool("graph", false, "show ascii-based commit hierarcy on left side of output")
showValue = flag.Bool("show-value", false, "show commit value rather than diff information -- this is temporary")
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "Displays the history of a Noms dataset\n")
fmt.Fprintln(os.Stderr, "Usage: noms log <commitObject>")
fmt.Fprintln(os.Stderr, "commitObject must be a dataset or object spec that refers to a commit.")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nSee \"Spelling Objects\" at https://github.com/attic-labs/noms/blob/master/doc/spelling.md for details on the object argument.\n\n")
}
flag.Parse()
if *showHelp {
flag.Usage()
return
}
if len(flag.Args()) != 1 {
util.CheckError(errors.New("expected exactly one argument"))
}
useColor = shouldUseColor()
database, value, err := spec.GetPath(flag.Arg(0))
if err != nil {
util.CheckErrorNoUsage(err)
}
defer database.Close()
waitChan := outputpager.PageOutput(!*outputpager.NoPager)
origCommit, ok := value.(types.Struct)
if !ok || !origCommit.Type().Equals(datas.CommitType()) {
util.CheckError(fmt.Errorf("%s does not reference a Commit object", flag.Arg(0)))
}
iter := NewCommitIterator(database, origCommit)
displayed := 0
if *maxCommits <= 0 {
*maxCommits = math.MaxInt32
}
for ln, ok := iter.Next(); ok && displayed < *maxCommits; ln, ok = iter.Next() {
if printCommit(ln, database) != nil {
break
}
displayed++
}
if waitChan != nil {
os.Stdout.Close()
<-waitChan
}
}
func main() {
toDelete := flag.String("d", "", "dataset to delete")
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "Noms dataset management\n")
fmt.Fprintln(os.Stderr, "Usage: noms ds [<database> | -d <dataset>]")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nFor detailed information on spelling datastores and datasets, see: at https://github.com/attic-labs/noms/blob/master/doc/spelling.md.\n\n")
}
flag.Parse()
if *toDelete != "" {
set, err := spec.GetDataset(*toDelete)
util.CheckError(err)
oldCommitRef, errBool := set.MaybeHeadRef()
if !errBool {
util.CheckError(fmt.Errorf("Dataset %v not found", set.ID()))
}
store, err := set.Database().Delete(set.ID())
util.CheckError(err)
defer store.Close()
fmt.Printf("Deleted dataset %v (was %v)\n\n", set.ID(), oldCommitRef.TargetHash().String())
} else {
if flag.NArg() != 1 {
flag.Usage()
return
}
store, err := spec.GetDatabase(flag.Arg(0))
util.CheckError(err)
defer store.Close()
store.Datasets().IterAll(func(k, v types.Value) {
fmt.Println(k)
})
}
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Serves a Noms database over HTTP\n\n")
fmt.Fprintf(os.Stderr, "Usage: noms serve <database>\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nFor detailed information on spelling databases, see: at https://github.com/attic-labs/noms/blob/master/doc/spelling.md.\n\n")
}
spec.RegisterDatabaseFlags()
flag.Parse()
if len(flag.Args()) != 1 {
flag.Usage()
return
}
spec, err := spec.ParseDatabaseSpec(flag.Arg(0))
util.CheckError(err)
if spec.Protocol != "mem" && spec.Protocol != "ldb" {
err := errors.New("Illegal database spec for server, must be 'mem' or 'ldb'")
util.CheckError(err)
}
cs, err := spec.ChunkStore()
util.CheckError(err)
server := datas.NewRemoteDatabaseServer(cs, *port)
// Shutdown server gracefully so that profile may be written
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
signal.Notify(c, syscall.SIGTERM)
go func() {
<-c
server.Stop()
}()
d.Try(func() {
defer profile.MaybeStartProfile().Stop()
server.Run()
})
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: %s <url> <dataset>\n", os.Args[0])
flag.PrintDefaults()
}
spec.RegisterDatabaseFlags()
flag.Parse()
if len(flag.Args()) != 2 {
util.CheckError(errors.New("expected url and dataset flags"))
}
ds, err := spec.GetDataset(flag.Arg(1))
util.CheckError(err)
url := flag.Arg(0)
if url == "" {
flag.Usage()
}
res, err := http.Get(url)
if err != nil {
log.Fatalf("Error fetching %s: %+v\n", url, err)
} else if res.StatusCode != 200 {
log.Fatalf("Error fetching %s: %s\n", url, res.Status)
}
defer res.Body.Close()
var jsonObject interface{}
err = json.NewDecoder(res.Body).Decode(&jsonObject)
if err != nil {
log.Fatalln("Error decoding JSON: ", err)
}
_, err = ds.Commit(util.NomsValueFromDecodedJSON(jsonObject, true))
d.Exp.NoError(err)
ds.Database().Close()
}
func main() {
cpuCount := runtime.NumCPU()
runtime.GOMAXPROCS(cpuCount)
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Moves datasets between or within databases\n\n")
fmt.Fprintf(os.Stderr, "noms sync [options] <source-object> <dest-dataset>\n\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nFor detailed information on spelling objects and datasets, see: at https://github.com/attic-labs/noms/blob/master/doc/spelling.md.\n\n")
}
spec.RegisterDatabaseFlags()
flag.Parse()
if flag.NArg() != 2 {
util.CheckError(errors.New("expected a source object and destination dataset"))
}
sourceStore, sourceObj, err := spec.GetPath(flag.Arg(0))
util.CheckError(err)
defer sourceStore.Close()
sinkDataset, err := spec.GetDataset(flag.Arg(1))
util.CheckError(err)
defer sinkDataset.Database().Close()
err = d.Try(func() {
defer profile.MaybeStartProfile().Stop()
var err error
sinkDataset, err = sinkDataset.Pull(sourceStore, types.NewRef(sourceObj), int(*p))
d.Exp.NoError(err)
})
if err != nil {
log.Fatal(err)
}
}
func main() {
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "Shows the difference between two objects\n")
fmt.Fprintln(os.Stderr, "Usage: noms diff <object1> <object2>\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nSee \"Spelling Objects\" at https://github.com/attic-labs/noms/blob/master/doc/spelling.md for details on the object argument.\n\n")
}
flag.Parse()
if *showHelp {
flag.Usage()
return
}
if len(flag.Args()) != 2 {
util.CheckError(errors.New("expected exactly two arguments"))
}
db1, value1, err := spec.GetPath(flag.Arg(0))
util.CheckError(err)
defer db1.Close()
db2, value2, err := spec.GetPath(flag.Arg(1))
util.CheckError(err)
defer db2.Close()
waitChan := outputpager.PageOutput(!*outputpager.NoPager)
diff.Diff(os.Stdout, value1, value2)
fmt.Fprintf(os.Stdout, "\n")
if waitChan != nil {
os.Stdout.Close()
<-waitChan
}
}
func main() {
var (
// Actually the delimiter uses runes, which can be multiple characters long.
// https://blog.golang.org/strings
delimiter = flag.String("delimiter", ",", "field delimiter for csv file, must be exactly one character long.")
header = flag.String("header", "", "header row. If empty, we'll use the first row of the file")
name = flag.String("name", "Row", "struct name. The user-visible name to give to the struct type that will hold each row of data.")
columnTypes = flag.String("column-types", "", "a comma-separated list of types representing the desired type of each column. if absent all types default to be String")
noProgress = flag.Bool("no-progress", false, "prevents progress from being output if true")
destType = flag.String("dest-type", "list", "the destination type to import to. can be 'list' or 'map:<pk>', where <pk> is the index position (0-based) of the column that is a the unique identifier for the column")
destTypePattern = regexp.MustCompile("^(list|map):(\\d+)$")
)
spec.RegisterDatabaseFlags()
cpuCount := runtime.NumCPU()
runtime.GOMAXPROCS(cpuCount)
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: csv-import [options] <dataset> <csvfile>\n\n")
flag.PrintDefaults()
}
flag.Parse()
if flag.NArg() != 2 {
err := fmt.Errorf("Expected exactly two parameters (dataset and path) after flags, but you have %d. Maybe you put a flag after the path?", flag.NArg())
util.CheckError(err)
}
path := flag.Arg(1)
defer profile.MaybeStartProfile().Stop()
res, err := os.Open(path)
d.Exp.NoError(err)
defer res.Close()
comma, err := csv.StringToRune(*delimiter)
if err != nil {
util.CheckError(err)
return
}
var dest int
var pk int
if *destType == "list" {
dest = destList
} else if match := destTypePattern.FindStringSubmatch(*destType); match != nil {
dest = destMap
pk, err = strconv.Atoi(match[2])
d.Chk.NoError(err)
} else {
fmt.Println("Invalid dest-type: ", *destType)
return
}
fi, err := res.Stat()
d.Chk.NoError(err)
var r io.Reader = res
if !*noProgress {
r = progressreader.New(r, getStatusPrinter(uint64(fi.Size())))
}
cr := csv.NewCSVReader(r, comma)
var headers []string
if *header == "" {
headers, err = cr.Read()
d.Exp.NoError(err)
} else {
headers = strings.Split(*header, string(comma))
}
ds, err := spec.GetDataset(flag.Arg(0))
util.CheckError(err)
defer ds.Database().Close()
kinds := []types.NomsKind{}
if *columnTypes != "" {
kinds = csv.StringsToKinds(strings.Split(*columnTypes, ","))
}
var value types.Value
if dest == destList {
value, _ = csv.ReadToList(cr, *name, headers, kinds, ds.Database())
} else {
value = csv.ReadToMap(cr, headers, pk, kinds, ds.Database())
}
_, err = ds.Commit(value)
if !*noProgress {
status.Clear()
}
d.Exp.NoError(err)
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Fetches a URL into a noms blob\n\nUsage: %s <dataset> <url>:\n", os.Args[0])
flag.PrintDefaults()
}
spec.RegisterDatabaseFlags()
flag.Parse()
if flag.NArg() != 2 {
util.CheckError(errors.New("expected dataset and url arguments"))
}
ds, err := spec.GetDataset(flag.Arg(0))
util.CheckError(err)
defer ds.Database().Close()
url := flag.Arg(1)
start = time.Now()
var pr io.Reader
if strings.HasPrefix(url, "http") {
resp, err := http.Get(url)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not fetch url %s, error: %s\n", url, err)
return
}
switch resp.StatusCode / 100 {
case 4, 5:
fmt.Fprintf(os.Stderr, "Could not fetch url %s, error: %d (%s)\n", url, resp.StatusCode, resp.Status)
return
}
pr = progressreader.New(resp.Body, getStatusPrinter(resp.ContentLength))
} else {
// assume it's a file
f, err := os.Open(url)
if err != nil {
fmt.Fprintf(os.Stderr, "Invalid URL %s - does not start with 'http' and isn't local file either. fopen error: %s", url, err)
return
}
s, err := f.Stat()
if err != nil {
fmt.Fprintf(os.Stderr, "Could not stat file %s: %s", url, err)
return
}
pr = progressreader.New(f, getStatusPrinter(s.Size()))
}
b := types.NewBlob(pr)
ds, err = ds.Commit(b)
if err != nil {
d.Chk.True(datas.ErrMergeNeeded == err)
fmt.Fprintf(os.Stderr, "Could not commit, optimistic concurrency failed.")
return
}
status.Done()
fmt.Println("Done")
}
func main() {
err := d.Try(func() {
spec.RegisterDatabaseFlags()
flag.Usage = customUsage
flag.Parse()
if flag.NArg() != 2 {
util.CheckError(errors.New("Expected dataset followed by directory path"))
}
dir := flag.Arg(1)
ds, err := spec.GetDataset(flag.Arg(0))
util.CheckError(err)
defer profile.MaybeStartProfile().Stop()
cpuCount := runtime.NumCPU()
runtime.GOMAXPROCS(cpuCount)
filesChan := make(chan fileIndex, 1024)
refsChan := make(chan refIndex, 1024)
getFilePaths := func() {
index := 0
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
d.Exp.NoError(err, "Cannot traverse directories")
if !info.IsDir() && filepath.Ext(path) == ".xml" {
filesChan <- fileIndex{path, index}
index++
}
return nil
})
d.Exp.NoError(err)
close(filesChan)
}
wg := sync.WaitGroup{}
importXML := func() {
expectedType := types.NewMap()
for f := range filesChan {
file, err := os.Open(f.path)
d.Exp.NoError(err, "Error getting XML")
xmlObject, err := mxj.NewMapXmlReader(file)
d.Exp.NoError(err, "Error decoding XML")
object := xmlObject.Old()
file.Close()
nomsObj := util.NomsValueFromDecodedJSON(object, false)
d.Chk.IsType(expectedType, nomsObj)
var r types.Ref
if !*noIO {
r = ds.Database().WriteValue(nomsObj)
}
refsChan <- refIndex{r, f.index}
}
wg.Done()
}
go getFilePaths()
for i := 0; i < cpuCount*8; i++ {
wg.Add(1)
go importXML()
}
go func() {
wg.Wait()
close(refsChan) // done converting xml to noms
}()
refList := refIndexList{}
for r := range refsChan {
refList = append(refList, r)
}
sort.Sort(refList)
refs := make([]types.Value, len(refList))
for idx, r := range refList {
refs[idx] = r.ref
}
rl := types.NewList(refs...)
if !*noIO {
_, err := ds.Commit(rl)
d.Exp.NoError(err)
}
})
if err != nil {
log.Fatal(err)
}
}