rust/rhg/src/commands/debugrequirements.rs
author Simon Sapin <simon-commits@exyr.org>
Tue, 24 Nov 2020 17:49:16 +0100
changeset 45924 a2eda1ff22aa
parent 45923 ead435aa5294
child 46135 dca9cb99971c
permissions -rw-r--r--
requirements: move loading to hg-core and add parsing No functional change, checking comes later. Differential Revision: https://phab.mercurial-scm.org/D9398
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use crate::commands::Command;
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use crate::error::CommandError;
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use crate::ui::Ui;
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use hg::operations::FindRoot;
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use hg::requirements;
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pub const HELP_TEXT: &str = "
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Print the current repo requirements.
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";
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pub struct DebugRequirementsCommand {}
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impl DebugRequirementsCommand {
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    pub fn new() -> Self {
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        DebugRequirementsCommand {}
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    }
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}
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impl Command for DebugRequirementsCommand {
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    fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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        let root = FindRoot::new().run()?;
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        let mut output = String::new();
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        for req in requirements::load(&root)? {
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            output.push_str(&req);
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            output.push('\n');
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        }
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        ui.write_stdout(output.as_bytes())?;
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        Ok(())
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    }
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}