forked from extern/nushell
72 lines
1.8 KiB
Rust
72 lines
1.8 KiB
Rust
use crate::prelude::*;
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use nu_engine::WholeStreamCommand;
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use nu_engine::shell::CdArgs;
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use nu_errors::ShellError;
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use nu_protocol::{Signature, SyntaxShape};
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pub struct Cd;
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impl WholeStreamCommand for Cd {
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fn name(&self) -> &str {
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"cd"
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}
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fn signature(&self) -> Signature {
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Signature::build("cd").optional(
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"directory",
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SyntaxShape::FilePath,
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"the directory to change to",
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)
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}
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fn usage(&self) -> &str {
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"Change to a new path."
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}
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fn run_with_actions(&self, args: CommandArgs) -> Result<ActionStream, ShellError> {
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let name = args.call_info.name_tag.clone();
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let shell_manager = args.shell_manager();
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let (args, _): (CdArgs, _) = args.process()?;
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shell_manager.cd(args, name)
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}
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fn examples(&self) -> Vec<Example> {
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vec![
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Example {
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description: "Change to a new directory called 'dirname'",
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example: "cd dirname",
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result: None,
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},
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Example {
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description: "Change to your home directory",
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example: "cd",
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result: None,
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},
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Example {
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description: "Change to your home directory (alternate version)",
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example: "cd ~",
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result: None,
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},
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Example {
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description: "Change to the previous directory",
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example: "cd -",
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result: None,
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},
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]
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}
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}
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#[cfg(test)]
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mod tests {
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use super::Cd;
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use super::ShellError;
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#[test]
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fn examples_work_as_expected() -> Result<(), ShellError> {
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use crate::examples::test as test_examples;
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test_examples(Cd {})
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}
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}
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