f9f39c0a1c
* Fix swapped PATH env var separators * Support pathvar to manipulate other vars than PATH * Add tests for pathvar and its subcommands * Fix PATH env name for Windows Seems like Windows uses PATH as well. Co-authored-by: Jakub Žádník <jakub.zadnik@tuni.fi>
64 lines
1.9 KiB
Rust
64 lines
1.9 KiB
Rust
use super::get_var;
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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};
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use nu_test_support::NATIVE_PATH_ENV_SEPARATOR;
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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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"pathvar reset"
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}
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fn signature(&self) -> Signature {
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Signature::build("pathvar reset").named(
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"var",
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SyntaxShape::String,
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"Use a different variable than PATH",
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Some('v'),
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)
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}
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fn usage(&self) -> &str {
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"Reset the pathvar to the one specified in the config"
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}
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fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
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reset(args)
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}
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}
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pub fn reset(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 var = get_var(&args)?;
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let var_lower = var.clone().map(|s| s.to_lowercase());
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if let Some(global_cfg) = &mut ctx.configs().lock().global_config {
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let default_pathvar = global_cfg.vars.get(&var_lower.item);
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if let Some(pathvar) = default_pathvar {
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if let UntaggedValue::Table(paths) = &pathvar.value {
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let pathvar_str = paths
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.iter()
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.map(|x| x.as_string().expect("Error converting path to string"))
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.join(&NATIVE_PATH_ENV_SEPARATOR.to_string());
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ctx.scope.add_env_var(&var.item, pathvar_str);
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}
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} else {
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return Err(ShellError::untagged_runtime_error(&format!(
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"Default {} is not set in config file.",
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&var_lower.item
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)));
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}
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Ok(OutputStream::empty())
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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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}
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