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annotate rust/rhg/src/commands/debugdata.rs @ 46436:252d1bdba33d

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rhg: replace `map_*_error` functions with `From` impls Differential Revision: https://phab.mercurial-scm.org/D9876
author Simon Sapin <simon.sapin@octobus.net>
date Tue, 26 Jan 2021 20:31:26 +0100
parents 3e2d539d0d1a
children a6e4e4650bac
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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::{debug_data, DebugDataKind};
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5 use hg::repo::Repo;
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6 use micro_timer::timed;
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7
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8 pub const HELP_TEXT: &str = "
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9 Dump the contents of a data file revision
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10 ";
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12 pub struct DebugDataCommand<'a> {
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13 rev: &'a str,
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14 kind: DebugDataKind,
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15 }
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17 impl<'a> DebugDataCommand<'a> {
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18 pub fn new(rev: &'a str, kind: DebugDataKind) -> Self {
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19 DebugDataCommand { rev, kind }
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20 }
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21 }
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23 impl<'a> Command for DebugDataCommand<'a> {
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24 #[timed]
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25 fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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26 let repo = Repo::find()?;
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27 let data = debug_data(&repo, self.rev, self.kind)
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28 .map_err(|e| (e, self.rev))?;
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30 let mut stdout = ui.stdout_buffer();
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31 stdout.write_all(&data)?;
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32 stdout.flush()?;
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34 Ok(())
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35 }
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36 }