e79482f2dc
- Complete variable names after `--set` - Complete recipe names - Display recipe signature and body below command line - Modify completions subcommand to produce enhanced zsh completion script
135 lines
3.3 KiB
Rust
135 lines
3.3 KiB
Rust
use crate::common::*;
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#[derive(PartialEq, Clone, Debug)]
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pub(crate) enum Subcommand {
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Completions {
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shell: String,
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},
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Dump,
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Edit,
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Evaluate {
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overrides: BTreeMap<String, String>,
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},
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Init,
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List,
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Run {
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overrides: BTreeMap<String, String>,
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arguments: Vec<String>,
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},
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Show {
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name: String,
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},
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Summary,
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Variables,
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}
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const ZSH_COMPLETION_REPLACEMENTS: &[(&str, &str)] = &[
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(
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r#" _arguments "${_arguments_options[@]}" \"#,
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r#" local common=("#,
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),
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(
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r#"'*--set=[Override <VARIABLE> with <VALUE>]' \"#,
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r#"'*--set[Override <VARIABLE> with <VALUE>]: :_just_variables' \"#,
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),
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(
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r#"'-s+[Show information about <RECIPE>]' \
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'--show=[Show information about <RECIPE>]' \"#,
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r#"'-s+[Show information about <RECIPE>]: :_just_commands' \
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'--show=[Show information about <RECIPE>]: :_just_commands' \"#,
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),
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(
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"'::ARGUMENTS -- Overrides and recipe(s) to run, defaulting to the first recipe in the \
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justfile:_files' \\
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&& ret=0
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\x20\x20\x20\x20
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",
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r#")
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_arguments "${_arguments_options[@]}" $common \
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'1: :_just_commands' \
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'*: :->args' \
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&& ret=0
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case $state in
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args)
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curcontext="${curcontext%:*}-${words[2]}:"
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local lastarg=${words[${#words}]}
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if [[ ${lastarg} = */* ]]; then
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# Arguments contain slash would be recognised as a file
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_arguments -s -S $common '*:: :_files'
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else
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# Show usage message
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_message "`just --show ${words[2]}`"
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# Or complete with other commands
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#_arguments -s -S $common '*:: :_just_commands'
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fi
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;;
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esac
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return ret
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"#,
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),
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(
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" local commands; commands=(
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\x20\x20\x20\x20\x20\x20\x20\x20
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)",
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r#" local commands; commands=(
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${${${(M)"${(f)$(_call_program commands just --list)}":# *}/ ##/}/ ##/:Args: }
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)
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"#,
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),
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(
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r#"_just "$@""#,
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r#"(( $+functions[_just_variables] )) ||
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_just_variables() {
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local variables; variables=(
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${(s: :)$(_call_program commands just --variables)}
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)
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_describe -t variables 'variables' variables
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}
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_just "$@""#,
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),
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];
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impl Subcommand {
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pub(crate) fn completions(shell: &str) -> Result<(), i32> {
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fn replace(haystack: &mut String, needle: &str, replacement: &str) -> Result<(), i32> {
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if let Some(index) = haystack.find(needle) {
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haystack.replace_range(index..index + needle.len(), replacement);
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Ok(())
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} else {
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eprintln!("Failed to find text:");
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eprintln!("{}", needle);
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eprintln!("…in completion script:");
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eprintln!("{}", haystack);
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Err(EXIT_FAILURE)
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}
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}
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let shell = shell
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.parse::<clap::Shell>()
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.expect("Invalid value for clap::Shell");
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let buffer = Vec::new();
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let mut cursor = Cursor::new(buffer);
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Config::app().gen_completions_to(env!("CARGO_PKG_NAME"), shell, &mut cursor);
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let buffer = cursor.into_inner();
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let mut script = String::from_utf8(buffer).expect("Clap completion not UTF-8");
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if let clap::Shell::Zsh = shell {
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for (needle, replacement) in ZSH_COMPLETION_REPLACEMENTS {
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replace(&mut script, needle, replacement)?;
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}
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}
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println!("{}", script.trim());
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Ok(())
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}
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}
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