upstream/mercurial-mirror Files · rust/rhg/src/commands/debugrequirements.rs

rust: Use the DisplayBytes trait in config printing...

rust: Use the DisplayBytes trait in config printing This is similar to `std::fmt::Display`, but for arbitrary bytes instead of Unicode. Writing to an abstract output stream helps avoid allocating intermediate `Vec<u8>` buffers. Differential Revision: https://phab.mercurial-scm.org/D9966

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             debugrequirements.rs
        
                    32 lines
            
             | 822 B
            
                | application/rls-services+xml
            
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                RustLexer
            
             / rust / rhg / src / commands / debugrequirements.rs
          
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      use crate::commands::Command;

      use crate::error::CommandError;

      use crate::ui::Ui;

      use hg::config::Config;

      use hg::repo::Repo;

      pub const HELP_TEXT: &str = "

      Print the current repo requirements.

      ";

      pub struct DebugRequirementsCommand {}

      impl DebugRequirementsCommand {

          pub fn new() -> Self {

              DebugRequirementsCommand {}

          }

      }

      impl Command for DebugRequirementsCommand {

          fn run(&self, ui: &Ui, config: &Config) -> Result<(), CommandError> {

              let repo = Repo::find(config)?;

              let mut output = String::new();

              let mut requirements: Vec<_> = repo.requirements().iter().collect();

              requirements.sort();

              for req in requirements {

                  output.push_str(req);

                  output.push('\n');

              }

              ui.write_stdout(output.as_bytes())?;

              Ok(())

          }

      }

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				use crate::commands::Command;
				use crate::error::CommandError;
				use crate::ui::Ui;
				use hg::config::Config;
				use hg::repo::Repo;

				pub const HELP_TEXT: &str = "
				Print the current repo requirements.
				";

				pub struct DebugRequirementsCommand {}

				impl DebugRequirementsCommand {
				pub fn new() -> Self {
				DebugRequirementsCommand {}
				}
				}

				impl Command for DebugRequirementsCommand {
				fn run(&self, ui: &Ui, config: &Config) -> Result<(), CommandError> {
				let repo = Repo::find(config)?;
				let mut output = String::new();
				let mut requirements: Vec<_> = repo.requirements().iter().collect();
				requirements.sort();
				for req in requirements {
				output.push_str(req);
				output.push('\n');
				}
				ui.write_stdout(output.as_bytes())?;
				Ok(())
				}
				}