1  use std::ffi::OsString;
 2  
 3  use crate::terminal as term;
 4  use crate::terminal::args::{Args, Error, Help};
 5  
 6  use super::*;
 7  
 8  pub const HELP: Help = Help {
 9      name: "help",
10      description: "CLI help",
11      version: env!("CARGO_PKG_VERSION"),
12      usage: "Usage: rad help [--help]",
13  };
14  
15  const COMMANDS: &[Help] = &[
16      rad_assign::HELP,
17      rad_auth::HELP,
18      rad_checkout::HELP,
19      rad_clone::HELP,
20      rad_fork::HELP,
21      rad_help::HELP,
22      rad_id::HELP,
23      rad_init::HELP,
24      rad_inspect::HELP,
25      rad_issue::HELP,
26      rad_ls::HELP,
27      rad_node::HELP,
28      rad_patch::HELP,
29      rad_path::HELP,
30      rad_review::HELP,
31      rad_rm::HELP,
32      rad_self::HELP,
33      rad_label::HELP,
34      rad_track::HELP,
35      rad_unassign::HELP,
36      rad_unlabel::HELP,
37      rad_untrack::HELP,
38      rad_remote::HELP,
39      rad_sync::HELP,
40  ];
41  
42  #[derive(Default)]
43  pub struct Options {}
44  
45  impl Args for Options {
46      fn from_args(args: Vec<OsString>) -> anyhow::Result<(Self, Vec<OsString>)> {
47          use lexopt::prelude::*;
48  
49          let mut parser = lexopt::Parser::from_args(args);
50  
51          if let Some(arg) = parser.next()? {
52              match arg {
53                  Long("help") | Short('h') => {
54                      return Err(Error::Help.into());
55                  }
56                  _ => return Err(anyhow::anyhow!(arg.unexpected())),
57              }
58          }
59          Ok((Options {}, vec![]))
60      }
61  }
62  
63  pub fn run(_options: Options, ctx: impl term::Context) -> anyhow::Result<()> {
64      println!("Usage: rad <command> [--help]");
65  
66      if ctx.profile().is_err() {
67          println!();
68          println!(
69              "{}",
70              term::format::highlight("It looks like this is your first time using radicle.")
71          );
72          println!(
73              "{}",
74              term::format::highlight("To get started, use `rad auth` to authenticate.")
75          );
76          println!();
77      }
78  
79      println!("Common `rad` commands used in various situations:");
80      println!();
81  
82      for help in COMMANDS {
83          println!(
84              "\t{} {}",
85              term::format::bold(format!("{:-12}", help.name)),
86              term::format::dim(help.description)
87          );
88      }
89      println!();
90      println!("See `rad <command> --help` to learn about a specific command.");
91      println!();
92  
93      Ok(())
94  }