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annotate rust/rhg/src/commands/debugdata.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 66756b34c06e
children 8d6164098782
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 use crate::commands::Command;
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2 use crate::error::{CommandError, CommandErrorKind};
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3 use crate::ui::utf8_to_local;
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4 use crate::ui::Ui;
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5 use hg::operations::{
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6 DebugData, DebugDataError, DebugDataErrorKind, DebugDataKind,
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7 };
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8 use micro_timer::timed;
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9
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10 pub const HELP_TEXT: &str = "
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11 Dump the contents of a data file revision
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12 ";
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13
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14 pub struct DebugDataCommand<'a> {
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15 rev: &'a str,
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16 kind: DebugDataKind,
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17 }
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18
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19 impl<'a> DebugDataCommand<'a> {
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20 pub fn new(rev: &'a str, kind: DebugDataKind) -> Self {
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21 DebugDataCommand { rev, kind }
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22 }
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23 }
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24
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25 impl<'a> Command for DebugDataCommand<'a> {
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26 #[timed]
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27 fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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28 let mut operation = DebugData::new(self.rev, self.kind);
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29 let data =
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30 operation.run().map_err(|e| to_command_error(self.rev, e))?;
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31
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32 let mut stdout = ui.stdout_buffer();
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33 stdout.write_all(&data)?;
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34 stdout.flush()?;
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35
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36 Ok(())
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37 }
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38 }
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39
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40 /// Convert operation errors to command errors
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41 fn to_command_error(rev: &str, err: DebugDataError) -> CommandError {
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42 match err.kind {
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43 DebugDataErrorKind::FindRootError(err) => CommandError::from(err),
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44 DebugDataErrorKind::IoError(err) => CommandError {
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45 kind: CommandErrorKind::Abort(Some(
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46 utf8_to_local(&format!("abort: {}\n", err)).into(),
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47 )),
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48 },
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49 DebugDataErrorKind::InvalidRevision => CommandError {
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50 kind: CommandErrorKind::Abort(Some(
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51 utf8_to_local(&format!(
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52 "abort: invalid revision identifier{}\n",
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53 rev
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54 ))
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55 .into(),
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56 )),
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57 },
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58 DebugDataErrorKind::UnsuportedRevlogVersion(version) => CommandError {
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59 kind: CommandErrorKind::Abort(Some(
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60 utf8_to_local(&format!(
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61 "abort: unsupported revlog version {}\n",
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62 version
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63 ))
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64 .into(),
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65 )),
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66 },
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67 DebugDataErrorKind::CorruptedRevlog => CommandError {
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68 kind: CommandErrorKind::Abort(Some(
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69 "abort: corrupted revlog\n".into(),
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70 )),
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71 },
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72 DebugDataErrorKind::UnknowRevlogDataFormat(format) => CommandError {
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73 kind: CommandErrorKind::Abort(Some(
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74 utf8_to_local(&format!(
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75 "abort: unknow revlog dataformat {:?}\n",
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76 format
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77 ))
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78 .into(),
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79 )),
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80 },
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81 }
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82 }