keep update from original (#1)

keep update from original

1 files changed, 59 insertions, 0 deletions

diff --git a/weed/shell/command_fs_cd.go b/weed/shell/command_fs_cd.go
new file mode 100644
index 000000000..408ec86c8
--- /dev/null
+++ b/weed/shell/command_fs_cd.go
@@ -0,0 +1,59 @@
+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
+}