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comparison rust/rhg/src/commands/root.rs @ 46500:184e46550dc8

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rhg: replace command structs with functions The `Command` trait was not used in any generic context, and the struct where nothing more than holders for values parsed from CLI arguments to be available to a `run` method. Differential Revision: https://phab.mercurial-scm.org/D9967
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 08 Feb 2021 20:33:04 +0100
parents a6e4e4650bac
children 1ecaf09d9964
comparison
equal deleted inserted replaced
46499:eace48b4a786 46500:184e46550dc8
1 use crate::commands::Command;
2 use crate::error::CommandError; 1 use crate::error::CommandError;
3 use crate::ui::Ui; 2 use crate::ui::Ui;
3 use clap::ArgMatches;
4 use format_bytes::format_bytes; 4 use format_bytes::format_bytes;
5 use hg::config::Config; 5 use hg::config::Config;
6 use hg::repo::Repo; 6 use hg::repo::Repo;
7 use hg::utils::files::get_bytes_from_path; 7 use hg::utils::files::get_bytes_from_path;
8 8
10 Print the root directory of the current repository. 10 Print the root directory of the current repository.
11 11
12 Returns 0 on success. 12 Returns 0 on success.
13 "; 13 ";
14 14
15 pub struct RootCommand {} 15 pub fn run(
16 16 ui: &Ui,
17 impl RootCommand { 17 config: &Config,
18 pub fn new() -> Self { 18 _args: &ArgMatches,
19 RootCommand {} 19 ) -> Result<(), CommandError> {
20 } 20 let repo = Repo::find(config)?;
21 let bytes = get_bytes_from_path(repo.working_directory_path());
22 ui.write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;
23 Ok(())
21 } 24 }
22
23 impl Command for RootCommand {
24 fn run(&self, ui: &Ui, config: &Config) -> Result<(), CommandError> {
25 let repo = Repo::find(config)?;
26 let bytes = get_bytes_from_path(repo.working_directory_path());
27 ui.write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;
28 Ok(())
29 }
30 }