mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2025-11-24 16:53:14 +08:00
37af41fbfe
* Added a helper function `isHelpRequest()` * also handles combined short flags like -lh or -hl * Created handleHelpRequest() helper function encapsulates both: Checking for help flags Printing the help message * Limit to reasonable length (2-4 chars total) to avoid matching long options like -verbose
59 lines
925 B
Go
59 lines
925 B
Go
package shell
|
|
|
|
import (
|
|
"io"
|
|
)
|
|
|
|
func init() {
|
|
Commands = append(Commands, &commandFsCd{})
|
|
}
|
|
|
|
type commandFsCd struct {
|
|
}
|
|
|
|
func (c *commandFsCd) Name() string {
|
|
return "fs.cd"
|
|
}
|
|
|
|
func (c *commandFsCd) Help() string {
|
|
return `change directory to a directory /path/to/dir
|
|
|
|
The full path can be too long to type. For example,
|
|
fs.ls /some/path/to/file_name
|
|
|
|
can be simplified as
|
|
|
|
fs.cd /some/path
|
|
fs.ls to/file_name
|
|
`
|
|
}
|
|
|
|
func (c *commandFsCd) HasTag(CommandTag) bool {
|
|
return false
|
|
}
|
|
|
|
func (c *commandFsCd) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
|
|
|
|
if handleHelpRequest(c, args, writer) {
|
|
return nil
|
|
}
|
|
|
|
path, err := commandEnv.parseUrl(findInputDirectory(args))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if path == "/" {
|
|
commandEnv.option.Directory = "/"
|
|
return nil
|
|
}
|
|
|
|
err = commandEnv.checkDirectory(path)
|
|
|
|
if err == nil {
|
|
commandEnv.option.Directory = path
|
|
}
|
|
|
|
return err
|
|
}
|