rtx-cli 2024.0.0

Polyglot runtime manager (asdf rust clone)
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use crate::task::Task;
use console::truncate_str;
use eyre::Result;
use itertools::Itertools;

use tabled::Tabled;

use crate::config::{Config, Settings};
use crate::file::display_path;
use crate::ui::{style, table};

/// [experimental] List available tasks to execute
/// These may be included from the config file or from the project's .rtx/tasks directory
/// rtx will merge all tasks from all parent directories into this list.
///
/// So if you have global tasks in ~/.config/rtx/tasks/* and project-specific tasks in
/// ~/myproject/.rtx/tasks/*, then they'll both be available but the project-specific
/// tasks will override the global ones if they have the same name.
#[derive(Debug, clap::Args)]
#[clap(verbatim_doc_comment, after_long_help = AFTER_LONG_HELP)]
pub struct TaskLs {
    /// Do not print table header
    #[clap(long, alias = "no-headers", verbatim_doc_comment)]
    pub no_header: bool,

    /// Show hidden tasks
    #[clap(long, verbatim_doc_comment)]
    pub hidden: bool,
}

impl TaskLs {
    pub fn run(self) -> Result<()> {
        let config = Config::try_get()?;
        let settings = Settings::try_get()?;
        settings.ensure_experimental()?;
        let rows = config
            .tasks()
            .iter()
            .filter(|(n, t)| *n == &t.name) // filter out aliases
            .map(|(_, t)| t)
            .sorted()
            .filter(|t| self.hidden || !t.hide)
            .map(|t| t.into())
            .collect::<Vec<Row>>();
        let mut table = tabled::Table::new(rows);
        table::default_style(&mut table, self.no_header);
        rtxprintln!("{table}");

        Ok(())
    }
}

#[derive(Tabled)]
#[tabled(rename_all = "PascalCase")]
struct Row {
    name: String,
    description: String,
    // command: String,
    source: String,
}

impl From<&Task> for Row {
    fn from(task: &Task) -> Self {
        // let cmd = task.command_string().unwrap_or_default();
        Self {
            name: style::nbold(&task.name).bright().to_string(),
            description: style::nblue(truncate(&task.description, 40)).to_string(),
            // command: style::ndim(truncate(&cmd, 20)).dim().to_string(),
            source: display_path(&task.config_source),
        }
    }
}

fn first_line(s: &str) -> &str {
    s.lines().next().unwrap_or_default()
}

fn truncate(s: &str, len: usize) -> String {
    first_line(&truncate_str(s, len, "…")).to_string()
}

// TODO: fill this out
static AFTER_LONG_HELP: &str = color_print::cstr!(
    r#"<bold><underline>Examples:</underline></bold>
  $ <bold>rtx task ls</bold>
"#
);

#[cfg(test)]
mod tests {
    use std::env;

    #[test]
    fn test_task_ls() {
        assert_cli_snapshot!("t", "--no-headers", @r###"
        configtask                              ~/config/config.toml     
        filetask    This is a test build script ~/cwd/.rtx/tasks/filetask
        lint                                    ~/config/config.toml     
        test                                    ~/config/config.toml
        "###);
    }
}