Mercurial > hg
annotate rust/rhg/src/commands/config.rs @ 46505:a25033eb43b5
rhg: add limited support for the `config` sub-command
Only with one argument and no flag. This is mostly for testing.
Differential Revision: https://phab.mercurial-scm.org/D9972
author | Simon Sapin <simon.sapin@octobus.net> |
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date | Mon, 08 Feb 2021 23:41:58 +0100 |
parents | rust/rhg/src/commands/root.rs@d8730ff51d5a |
children | 80840b651721 |
rev | line source |
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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::Arg; |
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4 use clap::ArgMatches; |
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5 use format_bytes::format_bytes; |
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6 use hg::config::Config; |
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7 use hg::errors::HgError; |
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8 use hg::repo::Repo; |
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9 use hg::utils::SliceExt; |
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10 use std::path::Path; |
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11 |
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12 pub const HELP_TEXT: &str = " |
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13 With one argument of the form section.name, print just the value of that config item. |
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14 "; |
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15 |
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16 pub fn args() -> clap::App<'static, 'static> { |
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17 clap::SubCommand::with_name("config") |
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18 .arg( |
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19 Arg::with_name("name") |
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20 .help("the section.name to print") |
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21 .value_name("NAME") |
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22 .required(true) |
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23 .takes_value(true), |
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24 ) |
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25 .about(HELP_TEXT) |
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26 } |
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27 |
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28 pub fn run( |
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29 ui: &Ui, |
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30 config: &Config, |
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31 repo_path: Option<&Path>, |
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32 args: &ArgMatches, |
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33 ) -> Result<(), CommandError> { |
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34 let opt_repo = Repo::find_optional(config, repo_path)?; |
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35 let config = if let Some(repo) = &opt_repo { |
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36 repo.config() |
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37 } else { |
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38 config |
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39 }; |
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40 |
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41 let (section, name) = args |
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42 .value_of("name") |
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43 .expect("missing required CLI argument") |
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44 .as_bytes() |
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45 .split_2(b'.') |
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46 .ok_or_else(|| HgError::abort(""))?; |
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47 |
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48 let value = config.get(section, name).unwrap_or(b""); |
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49 |
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50 ui.write_stdout(&format_bytes!(b"{}\n", value))?; |
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51 Ok(()) |
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52 } |