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annotate rust/rhg/src/commands/root.rs @ 46552:184e46550dc8

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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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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5dbf875b3275 rhg: simplify `FindRootError` handling
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45381
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1 use crate::error::CommandError;
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Antoine Cezar <antoine.cezar@octobus.net>
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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>
parents: 45449
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4 use format_bytes::format_bytes;
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a6e4e4650bac rhg: Parse system and user configuration at program start
Simon Sapin <simon.sapin@octobus.net>
parents: 46167
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5 use hg::config::Config;
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8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction
Simon Sapin <simon.sapin@octobus.net>
parents: 46136
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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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Antoine Cezar <antoine.cezar@octobus.net>
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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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14
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184e46550dc8 rhg: replace command structs with functions
Simon Sapin <simon.sapin@octobus.net>
parents: 46543
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15 pub fn run(
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Simon Sapin <simon.sapin@octobus.net>
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16 ui: &Ui,
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Simon Sapin <simon.sapin@octobus.net>
parents: 46543
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17 config: &Config,
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Simon Sapin <simon.sapin@octobus.net>
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18 _args: &ArgMatches,
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Simon Sapin <simon.sapin@octobus.net>
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19 ) -> Result<(), CommandError> {
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Simon Sapin <simon.sapin@octobus.net>
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20 let repo = Repo::find(config)?;
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Simon Sapin <simon.sapin@octobus.net>
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21 let bytes = get_bytes_from_path(repo.working_directory_path());
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Simon Sapin <simon.sapin@octobus.net>
parents: 46543
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22 ui.write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;
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Simon Sapin <simon.sapin@octobus.net>
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23 Ok(())
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24 }