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120 lines
2.4 KiB
120 lines
2.4 KiB
package shell
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import (
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"context"
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"fmt"
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"io"
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"os"
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"os/user"
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"strconv"
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"strings"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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func init() {
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Commands = append(Commands, &commandFsLs{})
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}
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type commandFsLs struct {
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}
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func (c *commandFsLs) Name() string {
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return "fs.ls"
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}
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func (c *commandFsLs) Help() string {
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return `list all files under a directory
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fs.ls [-l] [-a] /dir/
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fs.ls [-l] [-a] /dir/file_name
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fs.ls [-l] [-a] /dir/file_prefix
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`
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}
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func (c *commandFsLs) HasTag(CommandTag) bool {
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return false
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}
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func (c *commandFsLs) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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if handleHelpRequest(c, args, writer) {
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return nil
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}
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var isLongFormat, showHidden bool
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for _, arg := range args {
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if !strings.HasPrefix(arg, "-") {
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break
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}
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for _, t := range arg {
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switch t {
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case 'a':
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showHidden = true
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case 'l':
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isLongFormat = true
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}
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}
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}
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path, err := commandEnv.parseUrl(findInputDirectory(args))
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if err != nil {
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return err
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}
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if commandEnv.isDirectory(path) {
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path = path + "/"
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}
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dir, name := util.FullPath(path).DirAndName()
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entryCount := 0
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err = filer_pb.ReadDirAllEntries(context.Background(), commandEnv, util.FullPath(dir), name, func(entry *filer_pb.Entry, isLast bool) error {
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if !showHidden && strings.HasPrefix(entry.Name, ".") {
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return nil
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}
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entryCount++
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if isLongFormat {
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fileMode := os.FileMode(entry.Attributes.FileMode)
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userName, groupNames := entry.Attributes.UserName, entry.Attributes.GroupName
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if userName == "" {
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if user, userErr := user.LookupId(strconv.Itoa(int(entry.Attributes.Uid))); userErr == nil {
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userName = user.Username
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}
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}
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groupName := ""
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if len(groupNames) > 0 {
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groupName = groupNames[0]
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}
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if groupName == "" {
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if group, groupErr := user.LookupGroupId(strconv.Itoa(int(entry.Attributes.Gid))); groupErr == nil {
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groupName = group.Name
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}
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}
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if strings.HasSuffix(dir, "/") {
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// just for printing
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dir = dir[:len(dir)-1]
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}
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fmt.Fprintf(writer, "%s %3d %s %s %6d %s/%s\n",
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fileMode, len(entry.GetChunks()),
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userName, groupName,
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filer.FileSize(entry), dir, entry.Name)
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} else {
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fmt.Fprintf(writer, "%s\n", entry.Name)
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}
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return nil
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})
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if isLongFormat && err == nil {
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fmt.Fprintf(writer, "total %d\n", entryCount)
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}
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return
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}
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