starship/src/main.rs

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Rust
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#[macro_use]
extern crate clap;
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mod config;
mod context;
mod init;
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mod module;
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mod modules;
mod print;
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mod segment;
mod utils;
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use crate::module::ALL_MODULES;
use clap::{App, AppSettings, Arg, SubCommand};
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fn main() {
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pretty_env_logger::init();
let status_code_arg = Arg::with_name("status_code")
.short("s")
.long("status")
.value_name("STATUS_CODE")
.help("The status code of the previously run command")
.takes_value(true);
let path_arg = Arg::with_name("path")
.short("p")
.long("path")
.value_name("PATH")
.help("The path that the prompt should render for")
.takes_value(true);
let shell_arg = Arg::with_name("shell")
.value_name("SHELL")
.help(
"The name of the currently running shell\nCurrently supported options: bash, zsh, fish",
)
.required(true);
let cmd_duration_arg = Arg::with_name("cmd_duration")
.short("d")
.long("cmd-duration")
.value_name("CMD_DURATION")
.help("The execution duration of the last command, in seconds")
.takes_value(true);
let keymap_arg = Arg::with_name("keymap")
.short("k")
.long("keymap")
.value_name("KEYMAP")
// zsh only
.help("The keymap of zsh")
.takes_value(true);
let jobs_arg = Arg::with_name("jobs")
.short("j")
.long("jobs")
.value_name("JOBS")
.help("The number of currently running jobs")
.takes_value(true);
let init_scripts_arg = Arg::with_name("print_full_init")
.long("print-full-init")
.help("Print the main initialization script (as opposed to the init stub)");
let matches = App::new("starship")
.about("The cross-shell prompt for astronauts. ☄🌌️")
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// pull the version number from Cargo.toml
.version(crate_version!())
// pull the authors from Cargo.toml
.author(crate_authors!())
.after_help("https://github.com/starship/starship")
.setting(AppSettings::SubcommandRequiredElseHelp)
.subcommand(
SubCommand::with_name("init")
.about("Prints the shell function used to execute starship")
.arg(&shell_arg)
.arg(&init_scripts_arg),
)
.subcommand(
SubCommand::with_name("prompt")
.about("Prints the full starship prompt")
.arg(&status_code_arg)
.arg(&path_arg)
.arg(&cmd_duration_arg)
.arg(&keymap_arg)
.arg(&jobs_arg),
)
.subcommand(
SubCommand::with_name("module")
.about("Prints a specific prompt module")
.arg(
Arg::with_name("name")
.help("The name of the module to be printed")
.required(true)
.required_unless("list"),
)
.arg(
Arg::with_name("list")
.short("l")
.long("list")
.help("List out all supported modules"),
)
.arg(&status_code_arg)
.arg(&path_arg)
.arg(&cmd_duration_arg)
.arg(&keymap_arg)
.arg(&jobs_arg),
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)
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.get_matches();
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match matches.subcommand() {
("init", Some(sub_m)) => {
let shell_name = sub_m.value_of("shell").expect("Shell name missing.");
if sub_m.is_present("print_full_init") {
init::init_main(shell_name);
} else {
init::init_stub(shell_name);
}
}
("prompt", Some(sub_m)) => print::prompt(sub_m.clone()),
("module", Some(sub_m)) => {
if sub_m.is_present("list") {
println!("Supported modules list");
println!("----------------------");
for modules in ALL_MODULES {
println!("{}", modules);
}
}
if let Some(module_name) = sub_m.value_of("name") {
print::module(module_name, sub_m.clone());
}
}
_ => {}
}
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}