forked from extern/nushell
93 lines
2.8 KiB
Rust
93 lines
2.8 KiB
Rust
use crate::prelude::*;
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use nu_engine::WholeStreamCommand;
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use nu_errors::ShellError;
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use nu_protocol::{Signature, SyntaxShape, UntaggedValue, Value};
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pub struct SubCommand;
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impl WholeStreamCommand for SubCommand {
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fn name(&self) -> &str {
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"config set"
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}
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fn signature(&self) -> Signature {
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Signature::build("config set")
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.required("key", SyntaxShape::ColumnPath, "variable name to set")
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.required("value", SyntaxShape::Any, "value to use")
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}
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fn usage(&self) -> &str {
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"Sets a value in the config"
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}
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fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
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set(args)
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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: "Set auto pivoting",
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example: "config set pivot_mode always",
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result: None,
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},
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Example {
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description: "Set line editor options",
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example: "config set line_editor [[edit_mode, completion_type]; [emacs circular]]",
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result: None,
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},
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Example {
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description: "Set coloring options",
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example: "config set color_config [[header_align header_bold]; [left $true]]",
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result: None,
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},
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Example {
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description: "Set nested options",
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example: "config set color_config.header_color white",
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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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pub fn set(args: CommandArgs) -> Result<OutputStream, ShellError> {
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let name = args.call_info.name_tag.clone();
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let ctx = &args.context;
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let column_path = args.req(0)?;
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let mut value: Value = args.req(1)?;
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let result = if let Some(global_cfg) = &mut ctx.configs.lock().global_config {
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let configuration = UntaggedValue::row(global_cfg.vars.clone()).into_value(&name);
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if let UntaggedValue::Table(rows) = &value.value {
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if rows.len() == 1 && rows[0].is_row() {
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value = rows[0].clone();
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}
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}
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match configuration.forgiving_insert_data_at_column_path(&column_path, value) {
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Ok(Value {
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value: UntaggedValue::Row(changes),
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..
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}) => {
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global_cfg.vars = changes.entries;
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global_cfg.write()?;
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ctx.reload_config(global_cfg)?;
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let value = UntaggedValue::row(global_cfg.vars.clone()).into_value(name);
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Ok(OutputStream::one(value))
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}
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Ok(_) => Ok(OutputStream::empty()),
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Err(reason) => Err(reason),
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}
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} else {
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let value = UntaggedValue::Error(crate::commands::config::err_no_global_cfg_present())
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.into_value(name);
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Ok(OutputStream::one(value))
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};
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result
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}
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