rust/rhg/src/main.rs

48845:db3f8e5cc965

use hg::repo::{Repo, RepoError};
use hg::utils::files::{get_bytes_from_os_str, get_path_from_bytes};
use hg::utils::SliceExt;
use std::collections::HashSet;
use std::ffi::OsString;
use std::path::PathBuf;
use std::process::Command;

mod blackbox;
mod color;

            } else {
                exit_codes::ABORT
            }
        }
        Err(CommandError::Unsuccessful) => exit_codes::UNSUCCESSFUL,

        // Exit with a specific code and no error message to let a potential
        // wrapper script fallback to Python-based Mercurial.
        Err(CommandError::UnsupportedFeature { .. }) => {
            exit_codes::UNIMPLEMENTED
        }
    }
}

fn exit(

            ));
            on_unsupported = OnUnsupported::Abort
        } else {
            log::debug!("falling back (see trace-level log)");
            log::trace!("{}", local_to_utf8(message));
            // `args` is now `argv[1..]` since we’ve already consumed
            // `argv[0]`
            let mut command = Command::new(executable_path);
            command.args(args);
            if let Some(initial) = initial_current_dir {
                command.current_dir(initial);
            }
            let result = command.status();
            match result {
                Ok(status) => std::process::exit(
                    status.code().unwrap_or(exit_codes::ABORT),
                ),
                Err(error) => {
                    let _ = ui.write_stderr(&format_bytes!(
                        b"tried to fall back to a '{}' sub-process but got error {}\n",
                        executable, format_bytes::Utf8(error)
                    ));
                    on_unsupported = OnUnsupported::Abort
                }
            }
        }
    }
    exit_no_fallback(ui, on_unsupported, result, use_detailed_exit_code)
}

                }
                OnUnsupported::AbortSilent => {}
                OnUnsupported::Fallback { .. } => unreachable!(),
            }
        }
    }
    std::process::exit(exit_code(&result, use_detailed_exit_code))
}

macro_rules! subcommands {

48846:006688e36e12

use hg::repo::{Repo, RepoError};
use hg::utils::files::{get_bytes_from_os_str, get_path_from_bytes};
use hg::utils::SliceExt;
use std::collections::HashSet;
use std::ffi::OsString;
use std::os::unix::prelude::CommandExt;
use std::path::PathBuf;
use std::process::Command;

mod blackbox;
mod color;

            } else {
                exit_codes::ABORT
            }
        }
        Err(CommandError::Unsuccessful) => exit_codes::UNSUCCESSFUL,
        // Exit with a specific code and no error message to let a potential
        // wrapper script fallback to Python-based Mercurial.
        Err(CommandError::UnsupportedFeature { .. }) => {
            exit_codes::UNIMPLEMENTED
        }
        Err(CommandError::InvalidFallback { .. }) => {
            exit_codes::INVALID_FALLBACK
        }
    }
}

fn exit(

            ));
            on_unsupported = OnUnsupported::Abort
        } else {
            log::debug!("falling back (see trace-level log)");
            log::trace!("{}", local_to_utf8(message));
            if let Err(err) = which::which(executable_path) {
                exit_no_fallback(
                    ui,
                    OnUnsupported::Abort,
                    Err(CommandError::InvalidFallback {
                        path: executable.to_owned(),
                        err: err.to_string(),
                    }),
                    use_detailed_exit_code,
                )
            }
            // `args` is now `argv[1..]` since we’ve already consumed
            // `argv[0]`
            let mut command = Command::new(executable_path);
            command.args(args);
            if let Some(initial) = initial_current_dir {
                command.current_dir(initial);
            }
            // We don't use subprocess because proper signal handling is harder
            // and we don't want to keep `rhg` around after a fallback anyway.
            // For example, if `rhg` is run in the background and falls back to
            // `hg` which, in turn, waits for a signal, we'll get stuck if
            // we're doing plain subprocess.
            //
            // If `exec` returns, we can only assume our process is very broken
            // (see its documentation), so only try to forward the error code
            // when exiting.
            let err = command.exec();
            std::process::exit(
                err.raw_os_error().unwrap_or(exit_codes::ABORT),
            );
        }
    }
    exit_no_fallback(ui, on_unsupported, result, use_detailed_exit_code)
}

                }
                OnUnsupported::AbortSilent => {}
                OnUnsupported::Fallback { .. } => unreachable!(),
            }
        }
        Err(CommandError::InvalidFallback { path, err }) => {
            let _ = ui.write_stderr(&format_bytes!(
                b"abort: invalid fallback '{}': {}\n",
                path,
                err.as_bytes(),
            ));
        }
    }
    std::process::exit(exit_code(&result, use_detailed_exit_code))
}

macro_rules! subcommands {