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docs(cli): improve cli documentation (#395)

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Alexandre Pasmantier 2025-03-17 22:39:19 +01:00 committed by GitHub
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2 changed files with 67 additions and 25 deletions
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2
Cargo.toml
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@ -2,7 +2,7 @@
name = "television"
version = "0.10.9"
edition = "2021"
description = "The revolution will be televised."
description = "A cross-platform, fast and extensible general purpose fuzzy finder TUI."
license = "MIT"
authors = ["Alexandre Pasmantier <alex.pasmant@gmail.com>"]
repository = "https://github.com/alexpasmantier/television"

90
television/cli.rs
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@ -15,49 +15,91 @@ use crate::{
};
#[derive(Parser, Debug)]
#[command(author, version = version(), about)]
#[command(version, about, long_about = None)]
pub struct Cli {
/// Which channel shall we watch?
#[arg(value_enum, default_value = "files", index = 1)]
///
/// A list of the available channels can be displayed using the
/// `list-channels` command. The channel can also be changed from within
/// the application.
#[arg(
value_enum,
default_value = "files",
index = 1,
verbatim_doc_comment
)]
pub channel: String,
/// Use a custom preview command (currently only supported by the stdin channel)
#[arg(short, long, value_name = "STRING")]
/// A preview command to use with the stdin channel.
///
/// If provided, the preview command will be executed and formatted using
/// the entry.
/// Example: "bat -n --color=always {}" (where {} will be replaced with
/// the entry)
///
/// Parts of the entry can be extracted positionally using the `delimiter`
/// option.
/// Example: "echo {0} {1}" will split the entry by the delimiter and pass
/// the first two fields to the command.
#[arg(short, long, value_name = "STRING", verbatim_doc_comment)]
pub preview: Option<String>,
/// Disable the preview pane
#[arg(long, default_value = "false")]
/// Disable the preview panel entirely on startup.
#[arg(long, default_value = "false", verbatim_doc_comment)]
pub no_preview: bool,
/// The delimiter used to extract fields from the entry to provide to the preview command
/// (defaults to " ")
#[arg(long, value_name = "STRING", default_value = " ", value_parser = delimiter_parser)]
/// The delimiter used to extract fields from the entry to provide to the
/// preview command.
///
/// See the `preview` option for more information.
#[arg(long, value_name = "STRING", default_value = " ", value_parser = delimiter_parser, verbatim_doc_comment)]
pub delimiter: String,
/// Tick rate, i.e. number of ticks per second
#[arg(short, long, value_name = "FLOAT")]
/// The application's tick rate.
///
/// The tick rate is the number of times the application will update per
/// second. This can be used to control responsiveness and CPU usage on
/// very slow machines or very fast ones but the default should be a good
/// compromise for most users.
#[arg(short, long, value_name = "FLOAT", verbatim_doc_comment)]
pub tick_rate: Option<f64>,
/// [DEPRECATED] Frame rate, i.e. number of frames per second
#[arg(short, long, value_name = "FLOAT")]
/// [DEPRECATED] Frame rate, i.e. number of frames to render per second.
///
/// This option is deprecated and will be removed in a future release.
#[arg(short, long, value_name = "FLOAT", verbatim_doc_comment)]
pub frame_rate: Option<f64>,
/// Passthrough keybindings (comma separated, e.g. "q,ctrl-w,ctrl-t") These keybindings will
/// trigger selection of the current entry and be passed through to stdout along with the entry
/// to be handled by the parent process.
#[arg(long, value_name = "STRING")]
/// Passthrough keybindings (comma separated, e.g. "q,ctrl-w,ctrl-t")
///
/// These keybindings will trigger selection of the current entry and be
/// passed through to stdout along with the entry to be handled by the
/// parent process.
#[arg(long, value_name = "STRING", verbatim_doc_comment)]
pub passthrough_keybindings: Option<String>,
/// Input text to pass to the channel to prefill the prompt
#[arg(short, long, value_name = "STRING")]
/// Input text to pass to the channel to prefill the prompt.
///
/// This can be used to provide a default value for the prompt upon
/// startup.
#[arg(short, long, value_name = "STRING", verbatim_doc_comment)]
pub input: Option<String>,
/// The working directory to start in
#[arg(value_name = "PATH", index = 2)]
/// The working directory to start the application in.
///
/// This can be used to specify a different working directory for the
/// application to start in. This is useful when the application is
/// started from a different directory than the one the user wants to
/// interact with.
#[arg(value_name = "PATH", index = 2, verbatim_doc_comment)]
pub working_directory: Option<String>,
/// Try to guess the channel from the provided input prompt
#[arg(long, value_name = "STRING")]
/// Try to guess the channel from the provided input prompt.
///
/// This can be used to automatically select a channel based on the input
/// prompt by using the `shell_integration` mapping in the configuration
/// file.
#[arg(long, value_name = "STRING", verbatim_doc_comment)]
pub autocomplete_prompt: Option<String>,
#[command(subcommand)]
@ -66,7 +108,7 @@ pub struct Cli {
#[derive(Subcommand, Debug, PartialEq, Clone)]
pub enum Command {
/// Lists available channels
/// Lists the available channels.
ListChannels,
/// Initializes shell completion ("tv init zsh")
#[clap(name = "init")]