annotate rust/rhg/src/commands/root.rs @ 46501:1ecaf09d9964

rhg: Move subcommand CLI arguments definitions to respective modules Differential Revision: https://phab.mercurial-scm.org/D9968
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 08 Feb 2021 21:05:36 +0100
parents 184e46550dc8
children d8730ff51d5a
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5dbf875b3275 rhg: simplify `FindRootError` handling
Antoine Cezar <antoine.cezar@octobus.net>
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1 use crate::error::CommandError;
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2 use crate::ui::Ui;
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3 use clap::ArgMatches;
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fada33872b5b rhg: use `format_bytes!` for error messages
Rapha?l Gom?s <rgomes@octobus.net>
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4 use format_bytes::format_bytes;
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a6e4e4650bac rhg: Parse system and user configuration at program start
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5 use hg::config::Config;
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8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction
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6 use hg::repo::Repo;
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7 use hg::utils::files::get_bytes_from_path;
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8
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9 pub const HELP_TEXT: &str = "
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10 Print the root directory of the current repository.
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11
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12 Returns 0 on success.
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13 ";
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1ecaf09d9964 rhg: Move subcommand CLI arguments definitions to respective modules
Simon Sapin <simon.sapin@octobus.net>
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15 pub fn args() -> clap::App<'static, 'static> {
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16 clap::SubCommand::with_name("root").about(HELP_TEXT)
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17 }
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18
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19 pub fn run(
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20 ui: &Ui,
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21 config: &Config,
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22 _args: &ArgMatches,
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23 ) -> Result<(), CommandError> {
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24 let repo = Repo::find(config)?;
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25 let bytes = get_bytes_from_path(repo.working_directory_path());
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Simon Sapin <simon.sapin@octobus.net>
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26 ui.write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;
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27 Ok(())
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28 }