use crate::prelude::*; use nu_engine::WholeStreamCommand; use nu_errors::ShellError; use nu_protocol::{Primitive, ReturnSuccess, Signature, SyntaxShape, UntaggedValue, Value}; use nu_source::Tagged; pub struct SubCommand; #[derive(Deserialize)] pub struct Arguments { remove: Tagged, } impl WholeStreamCommand for SubCommand { fn name(&self) -> &str { "config remove" } fn signature(&self) -> Signature { Signature::build("config remove").required( "remove", SyntaxShape::Any, "remove a value from the config", ) } fn usage(&self) -> &str { "Removes a value from the config" } fn run(&self, args: CommandArgs) -> Result { remove(args) } fn examples(&self) -> Vec { vec![Example { description: "Remove the startup commands", example: "config remove startup", result: None, }] } } pub fn remove(args: CommandArgs) -> Result { let name_span = args.call_info.name_tag.clone(); let scope = args.scope.clone(); let (Arguments { remove }, _) = args.process()?; let path = match scope.get_var("config-path") { Some(Value { value: UntaggedValue::Primitive(Primitive::FilePath(path)), .. }) => Some(path), _ => nu_data::config::default_path().ok(), }; let mut result = nu_data::config::read(name_span, &path)?; let key = remove.to_string(); if result.contains_key(&key) { result.swap_remove(&key); config::write(&result, &path)?; Ok(vec![ReturnSuccess::value( UntaggedValue::Row(result.into()).into_value(remove.tag()), )] .into_iter() .to_output_stream()) } else { Err(ShellError::labeled_error( "Key does not exist in config", "key", remove.tag(), )) } }