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annotate rust/rhg/src/commands/debugrequirements.rs @ 45924:a2eda1ff22aa

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requirements: move loading to hg-core and add parsing No functional change, checking comes later. Differential Revision: https://phab.mercurial-scm.org/D9398
author Simon Sapin <simon-commits@exyr.org>
date Tue, 24 Nov 2020 17:49:16 +0100
parents ead435aa5294
children dca9cb99971c
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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::requirements;
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6
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7 pub const HELP_TEXT: &str = "
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8 Print the current repo requirements.
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9 ";
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10
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11 pub struct DebugRequirementsCommand {}
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12
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13 impl DebugRequirementsCommand {
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14 pub fn new() -> Self {
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15 DebugRequirementsCommand {}
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16 }
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17 }
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18
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19 impl Command for DebugRequirementsCommand {
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20 fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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21 let root = FindRoot::new().run()?;
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22 let mut output = String::new();
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23 for req in requirements::load(&root)? {
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24 output.push_str(&req);
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25 output.push('\n');
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26 }
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27 ui.write_stdout(output.as_bytes())?;
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28 Ok(())
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29 }
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30 }