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

rust-dirstatemap: implement part of the `setparents` logic...

rust-dirstatemap: implement part of the `setparents` logic The Python code does many round-trip calls to the Rust dirstatemap when copy information needs to be dropped in `setparents`. This may result in improved performance on `commit`, `update` and other such commands, but was mostly done to drop the last use of `set_dirstate_item`. See inline comments for an asterisk about performance, and see next patch for why `set_dirstate_item` has to go. Differential Revision: https://phab.mercurial-scm.org/D12518

Simon Sapin - - Load All Authors

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

      use format_bytes::format_bytes;

      use hg::errors::{IoErrorContext, IoResultExt};

      use hg::utils::files::get_bytes_from_path;

      pub const HELP_TEXT: &str = "

      Print the root directory of the current repository.

      Returns 0 on success.

      ";

      pub fn args() -> clap::App<'static, 'static> {

          clap::SubCommand::with_name("root").about(HELP_TEXT)

      }

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

          let repo = invocation.repo?;

          let working_directory = repo.working_directory_path();

          let working_directory = std::fs::canonicalize(working_directory)

              .with_context(|| {

                  IoErrorContext::CanonicalizingPath(working_directory.to_owned())

              })?;

          let bytes = get_bytes_from_path(&working_directory);

          invocation

              .ui

              .write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;

          Ok(())

      }

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				use crate::error::CommandError;
				use format_bytes::format_bytes;
				use hg::errors::{IoErrorContext, IoResultExt};
				use hg::utils::files::get_bytes_from_path;

				pub const HELP_TEXT: &str = "
				Print the root directory of the current repository.

				Returns 0 on success.
				";

				pub fn args() -> clap::App<'static, 'static> {
				clap::SubCommand::with_name("root").about(HELP_TEXT)
				}

				pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {
				let repo = invocation.repo?;
				let working_directory = repo.working_directory_path();
				let working_directory = std::fs::canonicalize(working_directory)
				.with_context(\|\| {
				IoErrorContext::CanonicalizingPath(working_directory.to_owned())
				})?;
				let bytes = get_bytes_from_path(&working_directory);
				invocation
				.ui
				.write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;
				Ok(())
				}