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annotate rust/rhg/src/commands/root.rs @ 45530:b1cea0dc9db0

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rhg: Add debug timing Differential Revision: https://phab.mercurial-scm.org/D8962
author Antoine Cezar <antoine.cezar@octobus.net>
date Wed, 23 Sep 2020 12:26:16 +0200
parents ed95ccc94333
children fada33872b5b
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`
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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 hg::operations::FindRoot;
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5 use hg::utils::files::get_bytes_from_path;
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6
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7 pub const HELP_TEXT: &str = "
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8 Print the root directory of the current repository.
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9
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10 Returns 0 on success.
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11 ";
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12
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13 pub struct RootCommand {}
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14
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15 impl RootCommand {
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16 pub fn new() -> Self {
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17 RootCommand {}
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18 }
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19 }
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20
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21 impl Command for RootCommand {
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22 fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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23 let path_buf = FindRoot::new().run()?;
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25 let bytes = get_bytes_from_path(path_buf);
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26
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27 // TODO use formating macro
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28 ui.write_stdout(&[bytes.as_slice(), b"\n"].concat())?;
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29
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30 Ok(())
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31 }
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32 }