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add command_type to help (#14165)
# Description This PR adds an indicator when listing subcommands. That indicator tells whether the command is a plugin, alias, or custom_command. ![image](https://github.com/user-attachments/assets/02889f8a-17b4-4678-bb44-3a487b3d1066) I changed some of the API to make this work a little easier, namely `get_signatures()` is now `get_signatures_and_declids()`. It was used in only one other place (run-external), so I thought it was fine to change it. There is a long-standing issue with aliases where they reference the command name instead of the alias name. This PR doesn't fix that bug. Example. ```nushell ❯ alias "str fill" = str wrap ``` ```nushell ❯ str ... other stuff Subcommands: str wrap (alias) - Alias for `str wrap` str wrap (plugin) - Wrap text passed into pipeline. ``` # User-Facing Changes Slightly different output of subcommands.
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@ -449,8 +449,8 @@ pub fn command_not_found(
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}
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// Try to match the name with the search terms of existing commands.
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let signatures = engine_state.get_signatures(false);
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if let Some(sig) = signatures.iter().find(|sig| {
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let signatures = engine_state.get_signatures_and_declids(false);
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if let Some((sig, _)) = signatures.iter().find(|(sig, _)| {
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sig.search_terms
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.iter()
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.any(|term| term.to_folded_case() == name.to_folded_case())
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@ -463,7 +463,7 @@ pub fn command_not_found(
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}
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// Try a fuzzy search on the names of all existing commands.
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if let Some(cmd) = did_you_mean(signatures.iter().map(|sig| &sig.name), name) {
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if let Some(cmd) = did_you_mean(signatures.iter().map(|(sig, _)| &sig.name), name) {
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// The user is invoking an external command with the same name as a
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// built-in command. Remind them of this.
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if cmd == name {
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@ -2,6 +2,7 @@ use crate::eval_call;
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use nu_protocol::{
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ast::{Argument, Call, Expr, Expression, RecordItem},
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debugger::WithoutDebug,
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engine::CommandType,
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engine::{Command, EngineState, Stack, UNKNOWN_SPAN_ID},
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record, Category, Config, Example, IntoPipelineData, PipelineData, PositionalArg, Signature,
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Span, SpanId, Spanned, SyntaxShape, Type, Value,
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@ -112,16 +113,29 @@ fn get_documentation(
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// - https://github.com/nushell/nushell/issues/11447
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// - https://github.com/nushell/nushell/issues/11625
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let mut subcommands = vec![];
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let signatures = engine_state.get_signatures(true);
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for sig in signatures {
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let signatures = engine_state.get_signatures_and_declids(true);
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for (sig, decl_id) in signatures {
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let command_type = engine_state.get_decl(decl_id).command_type();
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// Don't display removed/deprecated commands in the Subcommands list
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if sig.name.starts_with(&format!("{cmd_name} "))
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&& !matches!(sig.category, Category::Removed)
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{
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subcommands.push(format!(
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" {help_subcolor_one}{}{RESET} - {}",
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sig.name, sig.description
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));
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// If it's a plugin, alias, or custom command, display that information in the help
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if command_type == CommandType::Plugin
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|| command_type == CommandType::Alias
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|| command_type == CommandType::Custom
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{
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subcommands.push(format!(
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" {help_subcolor_one}{} {help_section_name}({}){RESET} - {}",
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sig.name, command_type, sig.description
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));
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} else {
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subcommands.push(format!(
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" {help_subcolor_one}{}{RESET} - {}",
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sig.name, sig.description
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));
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}
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}
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}
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@ -820,14 +820,14 @@ impl EngineState {
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}
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}
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/// Get signatures of all commands within scope.
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pub fn get_signatures(&self, include_hidden: bool) -> Vec<Signature> {
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/// Get signatures of all commands within scope with their decl ids.
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pub fn get_signatures_and_declids(&self, include_hidden: bool) -> Vec<(Signature, DeclId)> {
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self.get_decls_sorted(include_hidden)
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.into_iter()
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.map(|(_, id)| {
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let decl = self.get_decl(id);
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self.get_signature(decl).update_from_command(decl)
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(self.get_signature(decl).update_from_command(decl), id)
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})
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.collect()
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}
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