nushell/src/commands/cd.rs
Yehuda Katz 58b7800172 Migrate most uses of the Span concept to Tag
Also migrate mv, rm and commands like that to taking a
SyntaxType::Pattern instead of a SyntaxType::Path for their first
argument.
2019-09-10 20:41:03 -07:00

34 lines
769 B
Rust

use crate::commands::WholeStreamCommand;
use crate::errors::ShellError;
use crate::prelude::*;
pub struct CD;
impl WholeStreamCommand for CD {
fn name(&self) -> &str {
"cd"
}
fn signature(&self) -> Signature {
Signature::build("cd").optional("directory", SyntaxShape::Path)
}
fn usage(&self) -> &str {
"Change to a new path."
}
fn run(
&self,
args: CommandArgs,
registry: &CommandRegistry,
) -> Result<OutputStream, ShellError> {
cd(args, registry)
}
}
fn cd(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
let shell_manager = args.shell_manager.clone();
let args = args.evaluate_once(registry)?;
shell_manager.cd(args)
}