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gitu/
cli.rs

1use std::io;
2use std::path::PathBuf;
3
4use clap::{CommandFactory, Parser, Subcommand};
5use clap_complete::Shell;
6
7#[derive(Default, Debug, Parser)]
8#[command(name = "gitu")]
9#[command(flatten_help = true)]
10pub struct Args {
11    #[command(subcommand)]
12    pub command: Option<Commands>,
13
14    /// Send keys on startup (eg: `gitu -k ll`).
15    ///     It is possible to send:
16    ///     - single char-keys: a, b, c, ...
17    ///     - special keys: <backspace>, <enter>, <up>, <tab>, <delete>, <esc>, ...
18    ///     - modifiers: <ctrl+a>, <ctrl+shift+alt+a>, <shift+delete>
19    #[clap(short, long, verbatim_doc_comment)]
20    pub keys: Option<String>,
21
22    /// Print one frame and exit. Useful for debugging.
23    #[clap(long, action)]
24    pub print: bool,
25
26    /// Read a patch on stdin and browse it, for use as git's pager:
27    ///     GIT_PAGER='gitu --pager' git show
28    #[clap(long, action, verbatim_doc_comment)]
29    pub pager: bool,
30
31    /// With --pager, print what fits on one screen and exit, as less's --quit-if-one-screen.
32    #[clap(long, action, requires = "pager")]
33    pub quit_if_one_screen: bool,
34
35    /// Enable logging to 'gitu.log'
36    #[clap(long, action)]
37    pub log: bool,
38
39    #[clap(long, action)]
40    /// Print version
41    pub version: bool,
42
43    /// Config file to use
44    #[clap(short, long)]
45    pub config: Option<PathBuf>,
46}
47
48#[derive(Debug, Subcommand)]
49pub enum Commands {
50    Show {
51        reference: String,
52    },
53    /// Interactively rebase onto <upstream>, editing the instruction list in Gitu.
54    Rebase {
55        upstream: String,
56    },
57    /// Edit a `git rebase -i` instruction list, for use as GIT_SEQUENCE_EDITOR:
58    ///     GIT_SEQUENCE_EDITOR='gitu sequence-editor' git rebase -i <upstream>
59    #[clap(verbatim_doc_comment)]
60    SequenceEditor {
61        file: PathBuf,
62    },
63    Blame {
64        file: String,
65        #[clap(short, long)]
66        rev: Option<String>,
67    },
68    /// Print a shell completion script to stdout.
69    ///
70    /// Example (bash): `gitu completion bash > ~/.local/share/bash-completion/completions/gitu`
71    Completion {
72        /// The shell to generate a completion script for
73        shell: Shell,
74    },
75}
76
77/// Write a shell completion script for `gitu` to the given writer.
78pub fn completions(shell: Shell, out: &mut impl io::Write) {
79    let mut cmd = Args::command();
80    let bin_name = cmd.get_name().to_string();
81    clap_complete::generate(shell, &mut cmd, bin_name, out);
82}