rhg: Group values passed to every sub-command into a struct
The set of which values this is is evidently not stable yet,
so this will make changes easier. Also it is growing, and the function
signatures are getting out hand.
Differential Revision: https://phab.mercurial-scm.org/D10003
use crate::error::CommandError;
use format_bytes::format_bytes;
use hg::repo::Repo;
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 = Repo::find(invocation.non_repo_config, invocation.repo_path)?;
let bytes = get_bytes_from_path(repo.working_directory_path());
invocation
.ui
.write_stdout(&format_bytes!(b"{}\n", bytes.as_slice()))?;
Ok(())
}