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

rust-changelog: introducing an intermediate `ChangelogEntry`...

rust-changelog: introducing an intermediate `ChangelogEntry` Before this change, client code needing to extract, e.g, the Node ID and the description from a changeset had no other choice than calling both `entry_for_rev()` and `data_for_rev()`. This duplicates some (limited) computation, and more importantly imposes bad hygiene for client code: at some point of developement, the client code would have to pass over both entry and data in its internal layers, which at some point of development would raise the question whether they are consistent. We introduce the intermediate `ChangelogEntry` from which both conversion to the generic `RevlogEntry` and extraction of `ChangelogRevisionData` are possible. It might grow some convenience methods in the future. We keep the `data_for_rev()` method of `Changelog` for compatibility, pointing users at the more powerful alternative.

Raphaël Gomès - - Load All Authors

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             debugrequirements.rs
        
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                | application/rls-services+xml
            
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             / rust / rhg / src / commands / debugrequirements.rs
          
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      use crate::error::CommandError;

      pub const HELP_TEXT: &str = "

      Print the current repo requirements.

      ";

      pub fn args() -> clap::Command {

          clap::command!("debugrequirements").about(HELP_TEXT)

      }

      pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {

          let repo = invocation.repo?;

          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');

          }

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

          Ok(())

      }

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				use crate::error::CommandError;

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

				pub fn args() -> clap::Command {
				clap::command!("debugrequirements").about(HELP_TEXT)
				}

				pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {
				let repo = invocation.repo?;
				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');
				}
				invocation.ui.write_stdout(output.as_bytes())?;
				Ok(())
				}