Mercurial > hg
annotate rust/rhg/src/commands/root.rs @ 45361:47997afadf08
rhg: ask the error message from `CommandError`
Avoid repeating the display of the same error messages in different commands.
Differential Revision: https://phab.mercurial-scm.org/D8865
author | Antoine Cezar <antoine.cezar@octobus.net> |
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date | Mon, 20 Jul 2020 18:14:52 +0200 |
parents | 227281e76c22 |
children | 5dbf875b3275 |
rev | line source |
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45049
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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Antoine Cezar <antoine.cezar@octobus.net>
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2 use crate::error::{CommandError, CommandErrorKind}; |
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3 use crate::ui::Ui; |
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4 use hg::operations::{FindRoot, FindRootErrorKind}; |
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rhg: add RootCommand using hg-core FindRoot operation to prepare `hg root`
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5 use hg::utils::files::get_bytes_from_path; |
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6 |
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rhg: add RootCommand using hg-core FindRoot operation to prepare `hg root`
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7 pub const HELP_TEXT: &str = " |
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rhg: add RootCommand using hg-core FindRoot operation to prepare `hg root`
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8 Print the root directory of the current repository. |
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rhg: add RootCommand using hg-core FindRoot operation to prepare `hg root`
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9 |
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Antoine Cezar <antoine.cezar@octobus.net>
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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<'a> { |
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14 ui: &'a Ui, |
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15 } |
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16 |
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17 impl<'a> RootCommand<'a> { |
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18 pub fn new(ui: &'a Ui) -> Self { |
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19 RootCommand { ui } |
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20 } |
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21 } |
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22 |
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23 impl<'a> Command<'a> for RootCommand<'a> { |
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24 fn run(&self) -> Result<(), CommandError> { |
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25 let path_buf = |
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26 FindRoot::new().run().map_err(|err| match err.kind { |
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27 FindRootErrorKind::RootNotFound(path) => { |
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28 CommandErrorKind::RootNotFound(path) |
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29 } |
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30 FindRootErrorKind::GetCurrentDirError(e) => { |
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31 CommandErrorKind::CurrentDirNotFound(e) |
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32 } |
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33 })?; |
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34 |
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35 let bytes = get_bytes_from_path(path_buf); |
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36 |
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37 // TODO use formating macro |
513b3ef277a3
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Antoine Cezar <antoine.cezar@octobus.net>
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38 self.ui.write_stdout(&[bytes.as_slice(), b"\n"].concat())?; |
513b3ef277a3
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Antoine Cezar <antoine.cezar@octobus.net>
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39 |
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rhg: Do not return error when when we really mean ok in commands
Antoine Cezar <antoine.cezar@octobus.net>
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40 Ok(()) |
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41 } |
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42 } |