seaweedfs/weed/shell/command_fs_cd.go

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package shell
import (
"context"
"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 http://<filer_server>:<port>/dir/
The full path can be too long to type. For example,
fs.ls http://<filer_server>:<port>/some/path/to/file_name
can be simplified as
fs.cd http://<filer_server>:<port>/some/path
fs.ls to/file_name
`
}
func (c *commandFsCd) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
input := findInputDirectory(args)
filerServer, filerPort, path, err := commandEnv.parseUrl(input)
if err != nil {
return err
}
if path == "/" {
commandEnv.option.FilerHost = filerServer
commandEnv.option.FilerPort = filerPort
commandEnv.option.Directory = "/"
return nil
}
ctx := context.Background()
err = commandEnv.checkDirectory(ctx, filerServer, filerPort, path)
if err == nil {
commandEnv.option.FilerHost = filerServer
commandEnv.option.FilerPort = filerPort
commandEnv.option.Directory = path
}
return err
}