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annotate rust/rhg/src/commands/root.rs @ 46167:8a4914397d02

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rust: introduce Repo and Vfs types for filesystem abstraction This is similar to the corresponding Python classes. Repo represents a repository and knows the path to the `.hg` directory, the `store` directory, and the working directory. Separating these will enable supporting the share extension. A Vfs is created from a Repo for one of these three directories. It has filesystem access APIs that take a relative std::path::Path as a parameter. Differential Revision: https://phab.mercurial-scm.org/D9596
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 14 Dec 2020 16:33:15 +0100
parents dca9cb99971c
children a6e4e4650bac
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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513b3ef277a3 rhg: add RootCommand using hg-core FindRoot operation to prepare `hg root`
Antoine Cezar <antoine.cezar@octobus.net>
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1 use crate::commands::Command;
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2 use crate::error::CommandError;
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3 use crate::ui::Ui;
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4 use format_bytes::format_bytes;
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5 use hg::repo::Repo;
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6 use hg::utils::files::get_bytes_from_path;
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7
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8 pub const HELP_TEXT: &str = "
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9 Print the root directory of the current repository.
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11 Returns 0 on success.
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12 ";
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13
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14 pub struct RootCommand {}
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15
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16 impl RootCommand {
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17 pub fn new() -> Self {
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18 RootCommand {}
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19 }
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20 }
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21
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22 impl Command for RootCommand {
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23 fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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24 let repo = Repo::find()?;
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25 let bytes = get_bytes_from_path(repo.working_directory_path());
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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 }
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29 }